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  • 1970-1974  (2,168)
  • 1971  (2,168)
  • Polymer and Materials Science  (2,119)
  • Rat  (49)
  • 1
    Electronic Resource
    Electronic Resource
    Metabolisches Verhalten von kolloidalem Ferrihexacyanoferrat(II) (1971)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 269 (1971), S. 48-56 
    Details
    ISSN: 1432-1912
    Keywords: Colloidal Ferrihexacyanoferrate(II) ; Potassium Hexacyanoferrate(II) ; Metabolism ; Toxicity ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Intestinal absorption, distribution, and excretion of ferrihexacyanoferrate(II), labeled by59Fe at the Fe(III)- and Fe(II)-atoms, respectively, was studied in rats. Following i.v. injection, the compound is separated at ∼60% into Fe3+ and [Fe(CN)6]4−, the residual fraction being retained by the reticuloendothelial system. [Fe(CN)6]4− is excreted rapidly and virtually completely by the kidneys. With oral administration the disintegration amounts to ∼7%, and ∼2% of [Fe(CN)6]4− is absorbed from the gut. No evidence was obtained for decomposition of [Fe(CN)6]4−. No toxic side-effects were observed after chronic administration of ferrihexacyanoferrate(II).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01422015
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of chronic amphetamine intoxication on the accumulation in the rat brain of labelled catecholamines synthesized from circulating tyrosine-14C and dopa-3H (1971)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 271 (1971), S. 211-233 
    Details
    ISSN: 1432-1912
    Keywords: Amphetamine ; Synthesis of Catecholamines ; Brain Catecholamines ; Release of Catecholamines ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Accumulation of labelled noradrenaline (NA) and dopamine (DA) and endogenous levels of NA and DA in brain and heart were measured after infusion of tyrosine-14C and dopa-3H in rats. After a single dose of 20 mg/kg i.p. of dl-amphetamine sulphate a 50–65% decrease in the NA accumulation in the brain and heart was observed. The accumulation of DA was not changed. In rats treated chronically with amphetamine sulphate, 16−32 mg/kg i.p. twice daily for 4 weeks, both the brain and heart NA and brain DA levels were depleted by 40–70% at 20–24 h after amphetamine withdrawal. The accumulation of labelled NA and DA in these animals was not different from that of saline treated controls. When amphetamine sulphate, 20 mg/kg i.p., was given to chronically amphetamine treated rats there was a 45–60% decrease in the accumulation of labelled NA; labelled DA remained unchanged. It is concluded that the decrease in NA accumulation under acute and chronic amphetamine intoxication is most likely due to a preferential release of newly synthesized NA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00997217
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  • 3
    Electronic Resource
    Electronic Resource
    Der Einfluß der Durchblutung auf die Resorption von Polyalkoholen aus dem Jejunum der Ratte (1971)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 270 (1971), S. 22-40 
    Details
    ISSN: 1432-1912
    Keywords: Intestinal Blood Flow ; Intestinal Absorption ; Polyalcohols ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 1. Jejunal loops of anaesthetized rats were perfused with14C-labelled polyalcohols in buffered saline solutions at pH 7. The blood flow, the disappearance rate (from the intestinal lumen), and the appearance rate (in the intestinal venous blood) were determined simultaneously. 2. A decrease of the blood flow from about 1.8 to 0.25 ml min−1g−1 wet tissue diminished the disappearance and appearance rate of the substances and their possible metabolites. An increase of the blood flow caused the reversed results. The two transfer rates and their dependence on blood flow decreased with increasing molecular weight of the polyalcohols. 3. The appearance rate of glycerol showed a different dependence on blood flow in experiments with increasing and decreasing blood flow. This phenomenon can be explained by a decreasing permeability of the epithelium for glycerol with time. The cause for it is unknown. 4. By means of a three-compartment-model blood flow independent permeability coefficients of the polyalcohols are derived for the intestinal epithelium. They are consistent with an equivalent pore radius of 3.9±0.1 Å.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00997297
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  • 4
    Electronic Resource
    Electronic Resource
    Electron microscopic observations on the development of the median eminence in perinatal rats (1971)
    Springer
    Anatomy and embryology 134 (1971), S. 311-327 
    Details
    ISSN: 1432-0568
    Keywords: Development ; Median eminence ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This paper reports details of the development of the external layer of the median eminence with special reference to the appearance of the nerve terminals, containing electron dense core and electron lucent vesicles, in the outermost layer of a palisade structure (2–3 μ thick). Observations were made on perinatal rats of the Sprague-Dawley strain (16, 18, 20 day fetuses and rats 5 hours, one 4, and 8 days after birth). The palisade structure of the outermost layer of the median eminence was first clearly detectable 5 hours after birth. Concomitantly, there was a marked increase in the number of nerve terminals in this layer. The nerve terminals containing electron dense core and electron lucent vesicles were seen in 18 day fetuses in the outermost layer of the median eminence. These nerve terminals increased in number during development, especially from the 20th day of fetal life to the 4th day after birth. The size range of the majority of the electron lucent vesicles did not change during development, but that of the core vesicles increased from 600–800 Å from the 18th to 20th day of fetal life. The initiation of neurohemal control of the adenohypophysial function by the hypothalamus is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00519918
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  • 5
    Electronic Resource
    Electronic Resource
    Ultrastructure of rat uterine luminal epithelium at functional states compatible with implantation (1971)
    Springer
    Anatomy and embryology 135 (1971), S. 101-107 
    Details
    ISSN: 1432-0568
    Keywords: Rat ; Uterus ; Luminal epithelium ; Ultrastructure ; Implantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The ultrastructure of the rat uterine luminal epithelium has been examined during normal pregnancy, pseudopregnancy, lactation and lactation-pregnancy, all being conditions when a blastocyst is known to be able to implant. In all four groups of animals the epithelium passes through three characteristic and structurally similar states, namely a pre-attachment state, an attachment state and a postattachment state. The attachment state is characterized by a close contact between apposing luminal surfaces of the epithelium. It is concluded that implantation in an undamaged uterus claims a sequence of certain changes in the uterine luminal epithelium, and that the blastocyst attachment occurs within the early part of that period when the luminal epithelium is in the attachment state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00525195
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  • 6
    Electronic Resource
    Electronic Resource
    Licht-und elektronenmikroskopische Untersuchungen zum Problem der Blut-Hirn-Schranke circumventriculärer Organe der Ratte nach Behandlung mit Myofer (1971)
    Springer
    Anatomy and embryology 134 (1971), S. 278-297 
    Details
    ISSN: 1432-0568
    Keywords: Rat ; Ferro-dextran ; Blood brain barrier ; Circumventricular organs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Nach Vorbehandlung mit Myofer (Eisen III-Dextran) wurde die Aufnahme der Testsubstanz in den circumventriculären Organen von Rattengehirnen mit dem Licht-und Elektronenmikroskop untersucht. Die Ergebnisse zeigten, daß ein partieller Schrankeneffekt zwischen Gefäß und Gehirn auch in diesen Regionen besteht. Im allgemeinen ist der Schrankeneffekt die Folge hintereinandergeschalteter Barrieren, deren morphologisches Substrat 1. das Gefäßendothel und 2. die Gliagrenzschicht sind. Im Parenchym der verschiedenen Gehirnteile ist die Endothelzelle für diese gegebene Substanz undurchlässig. Dabei wird Myofer zwar in die Zelle aufgenommen, aber total zurückgehalten. In den circumventriculären Organen des Rattengehirns (Area postrema, Epiphyse, Subfornikalorgan, Organum vasculosum laminae terminalis, Neurohypophyse, Plexus chorioidei) ist die Endothelzelle durchlässig. Daher findet man Myoferpartikel im perivasculären Raum. Der. „Hemmeffekt” der zweiten Barriere ist abhängig 1. von der Konzentration des Myofers in dem perivasculären Raum und 2. von der Zeitdauer, während der die Gliagrenzschicht beeinflußt wird. Die perivasculären Gliafortsätze nehmen als einzige Zellelemente Myofer auf. Da der Anteil von Zellen mit Gliacharakter in den circumventriculären Organen wechselt, ist in den einzelen Regionen Myofer in unterschiedlicher Menge nachweisbar. Neuronale Elemente enthalten niemals Myofer.
    Notes: Summary After pretreatment of rats with Myofer (ferro-dextran complex) the uptake of this substance into circumventricular organs of the brain has been studied by means of light and electronmicroscopy. The results show that in these regions a partial barrier effect exists between blood and brain parenchyma. Generally the barrier effect is the result of impediments, which are connected in series. The morphological substratum of them is (1) the endothelium of the capillaries and (2) the limiting layer of the glial processes. In the parenchyma of the brain (cerebellum) the endothelial cell is sealed for this substance: the Myofer is taken up by the endothelium, but retained in the cells. In the circumventricular organs of the rat's brain (area postrema, epiphysis cerebri, subfornical organ, Organum vasculosum laminae terminalis, neurohypophysis, choroid plexus) the endothelial cells are leaky. Consequently one finds particles of Myofer inside the perivascular space. The inhibitory effect of the second barrier depends (1) on the concentration of Myofer in the perivascular space and (2) on the period, during which the limiting layer of the glial processes has been affected. The perivascular glial processes are the only cell elements which take up Myofer. Since the proportion of cells characterized as glial elements changes between the circumventricular organs, Myofer is detectable in different amounts within the various regions. Neuronal elements never contain Myofer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00519916
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  • 7
    Electronic Resource
    Electronic Resource
    An anatomical study of the efferent connections of the thalamic reticular nucleus (1971)
    Springer
    Experimental brain research 12 (1971), S. 435-446 
    Details
    ISSN: 1432-1106
    Keywords: Thalamic reticular nucleus ; Ascending reticular system ; Topo graphical arrangement ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A neuro-anatomical investigation into the thalamic reticular nucleus and its connections was made in the albino rat, using the method of retrograde degeneration and the Nauta-Gygax method. The results correspond to the description given by Scheibel and Scheibel and indicate connections of the neurons of the reticular which the principal thalamic nuclei and the rostral part of the intralaminar thalamic nuclei. A topographical arrangement of the efferent connections of the reticular nucleus is demonstrated. The projection of the reticular nucleus upon the thalamus duplicates the cortico-thalamic connections.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00234497
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  • 8
    Electronic Resource
    Electronic Resource
    Role of γ-aminobutyric acid (GABA) in the extrapyramidal motor system 1. Regional distribution of GABA in rabbit, rat, guinea pig and baboon CNS (1971)
    Springer
    Experimental brain research 13 (1971), S. 514-518 
    Details
    ISSN: 1432-1106
    Keywords: GABA-Regional distribution ; Rabbit ; Rat ; Guinea pig ; Baboon ; CNS ; Substantia nigra
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The regional distribution of GABA in the CNS of rabbit (17 regions), rat (14 regions), guinea pig (12 regions) and baboon (11 regions) was determined by sensitive enzymatic and fluorometric assay. In all species studied a high concentration of GABA was found in substantia nigra (8.5–10.1 mmoles/kg) and pallidum (6.5–8.2 mmoles/kg). Fairly high amounts were found in hypothalamus, superior and inferior colliculi, nucleus oculomotorius and dentate nucleus. The GABA concentration in spinal cord (white matter) had the lowest value.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00234282
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  • 9
    Electronic Resource
    Electronic Resource
    Über die akuten Veränderungen im Parietalcortex der Ratte nach spitzem Trauma (1971)
    Springer
    Acta neuropathologica 19 (1971), S. 249-264 
    Details
    ISSN: 1432-0533
    Keywords: Brain Edema ; Stab Wound ; Neocortex ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The parietal cortex of rats was examined by light and electron microscopy 1–120 min after a standardized stab wound (250×450×1800μm, constant stab velocity). The changes in the tissue are already visible qualitatively after 1 min. After about 4 min the expansion of tissue changes stops. 4 zones may be separated. Surrounding the stab canal concentrically they are relatively sharply defined. Zone I. Stab canal, haemorrhagical or “debris zone”, primary traumatic destroyed zone. The tissue units are here completely destroyed. Zone II. “Squashed” or “indirectly but irreversibly damaged” zone. It is ca. 80μm wide and contains apart from a protein-rich extracellular fluid almost exclusively swollen cells and cell fragments. Zone III. Swelling brain or “intracellular peritraumatic edema”. It is ca. 150μm wide and contains mainly dark neurones and swollen astroglia. Zone IV. Transitional zone of variable width. Here only the perivascular and perineural processes are swollen without changed neurone structure. In all swollen astrocytes mitochondria are altered typically (denser matrix, dilated cristae). Discussed are: The short latency period, Zone IV, causes of astroglial swelling, origin of extracellular fluid as well as mechanisms which limit the spread of extracellular fluid into Zone II.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00684602
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  • 10
    Electronic Resource
    Electronic Resource
    Effects of60Co radiation on the cellular responses in degenerating dorsal columns in the rat spinal cord (1971)
    Springer
    Acta neuropathologica 19 (1971), S. 318-322 
    Details
    ISSN: 1432-0533
    Keywords: Co-Radiation ; Spinal Cord ; Rat ; Cell Proliferation ; p-Bromophenylacetylurea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Rats were irradiated with doses of 1 000–3 000 rads to the cervical spinal cord and subsequently given a paralytic dose of p-Bromophenylacetylurea. The nuclear populations in the degenerating dorsal columns were determined and it was found that a significant suppression of cell proliferation occurred after all three dose levels. The cell populations in the shielded parts of the tracts rostral to the irradiated zone were not affected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00692152
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  • 11
    Electronic Resource
    Electronic Resource
    The effects of chronic administration of ethanol on startle thresholds in rats (1971)
    Springer
    Psychopharmacology 19 (1971), S. 95-104 
    Details
    ISSN: 1432-2072
    Keywords: Ethanol ; Tolerance ; Dependence ; Withdrawal Reaction ; Startle Threshold ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The thresholds for startle responses to electric shock were measured in adult male Wistar strain rats given ethanol daily in doses rising from 3 to 7 g/kg over a 30-day period, and in controls receiving equicaloric doses of sucrose. Tests made 23, 36, or 47 h after ethanol (i.e., during partial or complete ethanol withdrawal) gave threshold values significantly lower than those obtained with sucrose-treated controls. The difference became greater after longer ethanol treatment and larger doses. However, when threshold measurements were made under the acute influence of ethanol in the experimental group, the mean values were virtually equal to those of the sucrose controls. This normalization, by ethanol, of a disturbance produced by absence of ethanol in a chronically treated animal is indicative of physical dependence. Following termination of ethanol treatment there was a gradual return of startle thresholds almost to control values over a relatively short period, indicating that the changes underlying the hyperexcitability are readily reversible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00402633
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  • 12
    Electronic Resource
    Electronic Resource
    Influence de l'isolement sur le comportement d' agressivité intraspécifique induit par l'apomorphine chez le rat (1971)
    Springer
    Psychopharmacology 20 (1971), S. 389-394 
    Details
    ISSN: 1432-2072
    Keywords: Aggressive Behaviour ; Apomorphine ; Isolation ; Psycho pharmacology ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The apomorphine-induced aggression response of isolated rats was examined. The development of aggressive behaviour in adult rats was enhanced after isolation in cages with wire-netting and especially in cages isolated in opacified Makrolon boxes compared with aggregated rats. Young rats kept isolated for 2 months immediately after weaning showed an enhancement only if isolated in wire-netting cages. Rats kept in groups for one month after their isolation still showed an enhancement of aggression, although it was somewhat reduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403570
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  • 13
    Electronic Resource
    Electronic Resource
    Untersuchungen über die Stereotypien nach Amphetamin und Apomorphin sowie deren pharmakologische Beeinflussung (1971)
    Springer
    Psychopharmacology 21 (1971), S. 212-228 
    Details
    ISSN: 1432-2072
    Keywords: Amphetamine ; Apomorphine ; Stereotypy ; Behaviour ; Rat ; Mouse ; Neuroleptics ; Thymoleptics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The behaviour of mice after various doses of amphetamine or apomorphine which induce stereotypies is described in details. The induced stereotyped behaviour in mice appears more differentiated than that in rats. The amphetamine-syndrome in rats consists of an excitement phase followed by the stereotypy, whereas apomorphine elicits stereotyped behaviour directly after administration. Amphetamine-induced stereotyped behaviour is different from the apomorphine-induced stereotypy in several respects. Neuroleptics inhibit the amphetamine (12.5 mg/kg s.c.) and apomorphine-(10 mg/kg s.c.) syndrome, while thymoleptics potentiate subeffective doses of amphetamine (5 mg/kg s.c.) and apomorphine (2 mg/kg s.c.). This is demonstrated with some neuroleptics of the phenothiazine-type, haloperidol, reserpine, and a group of thymoleptics. The method opens the possibility of differentiating within several groups of neuroleptics and within several groups of thymoleptics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403860
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  • 14
    Electronic Resource
    Electronic Resource
    The effect of two tetrahydrocannabinols, (Δ9-THC and Δ8-THC) on conditioned avoidance learning in rats and its transfer to normal state conditions (1971)
    Springer
    Psychopharmacology 22 (1971), S. 23-30 
    Details
    ISSN: 1432-2072
    Keywords: Acquisition ; CAR ; Tetrahydrocannabinols ; Transfer ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Rats trained in conditioned avoidance responding (CAR) after injections of either 7.5 mg/kg Δ 9-THC (tetrahydrocannabinol) or 15 mg/kg Δ 8-THC, showed no transfer when tested in the non-drugged state. Furthermore, these doses of the isomeric tetrahydrocannabinols exerted a disruptive effect on previously established CAR in rats, trained under normal conditions. Only the Δ 9-THC-group showed an impairment of acquisition which was statistically significant compared to the control group.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00401463
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  • 15
    Electronic Resource
    Electronic Resource
    The influence of 1-(o-Allylphenoxy)-3-Isopropylamino-2-Propanol Hydrochloride (Alprenolol) on the central nervous system of the rat (1971)
    Springer
    Psychopharmacology 21 (1971), S. 66-73 
    Details
    ISSN: 1432-2072
    Keywords: Alperenolol ; Amphetamine ; Brain Amines ; Behaviour ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The influence of alprenolol and amphetamine alone or combined on the content of noradrenaline, dopamine and 5-hydroxytryptamine in seven discrete areas of the brain and on rat behaviour was studied. Animals were treated with drugs for 6 months. Alprenolol caused mainly a decrease of the estimated endogenous amines in different brain areas. Amphetamine caused a decrease of all three amines in some parts of the brain, and reversed some of the changes caused by alprenolol. Alprenolol had no effect on the locomotor activity of rats, but increased the activity of rats treated with amphetamine after the first week of treatment, and antagonized the excitatory effect caused by amphetamine during the following weeks of the experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403997
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  • 16
    Electronic Resource
    Electronic Resource
    The effects of cholinergic agents upon fixated behavior (1971)
    Springer
    Psychopharmacology 21 (1971), S. 147-156 
    Details
    ISSN: 1432-2072
    Keywords: Scopolamine ; Pilocarpine ; Lashley Jumping Stand ; Fixated Behavior ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A group of male albino rats were subjected to the Maier paradigm (insoluble problem followed by a soluble problem) using the Lashley jumping stand. Forty-two animals which failed the soluble problem by adopting a position stereotype were then randomly assigned to eight drug groups in a 2×2 design. Animals were guided to the correct window on odd days but received no guidance on even days. Animals received either pilocarpine nitrate (5.0 mg/kg) or scopolamine hydrobromide (1.0 mg/kg) in one of three different sequences. These sequences included drug on both odd and even days (drug-drug), only on the odd day (drug-no drug), or only on the even day (no drug-drug). One other drug group received scopolamine methylbromide (1.0 mg/kg) in a drug-no drug sequence, while the control group received saline on both days. Results indicated that animals receiving pilocarpine in the drug-drug and no drug-drug sequence solved significantly faster than the controls, while all the drugno drug groups showed significantly poorer solution rates. It was concluded that pilocarpine may enable animals to inhibit punished behavior patterns and thus hasten the extinction of fixated responses, but that due to the inconclusive scopolamine data this pilocarpine effect may not be due to its cholinomimetic properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00572272
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  • 17
    Electronic Resource
    Electronic Resource
    Biochemical evidence of adrenergic interaction with cholinergic function in the central nervous system of the rat (1971)
    Springer
    Psychopharmacology 21 (1971), S. 238-246 
    Details
    ISSN: 1432-2072
    Keywords: NE ; Intraventricular ; Cholinergic Function ; Eating Behaviour ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effect of centrally administered norepinephrine (NE) into the lateral ventricle on choline acetylase activity (ChAc), endogenous levels of NE, dopamine (DA) and serotonin (5HT) was studied in different regions of the rat brain. In normal rats, the highest activity of choline acetylase was found in the cerebral cortex, followed by the brain stem, the diencephalon, the hypothalamus and least in the cerebellum. Chronic administration of NE significantly increased the choline acetylase activity in all regions studied, whereas both the acute and the in vitro studies showed no significant change except in the brain stem. Serotonin level was increased in the cerebellum, but decreased in the diencephalon and the brain stem. There was no significant alteration in the level of NE in all areas studied except in the hypothalamus where there was an increase in the mean concentration. Tissue level of DA showed a significant increase in the cerebral cortex and the hypothalamus. Behaviourally, there was a significant increase in food intake on the first day of treatment with no significant change in water intake. The data suggests that NE may be involved in the regulation of acetylcholine synthesis. The significance of interaction between different monoamines and acetylcholine may be important in the study of drug tolerance phenomena.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403862
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  • 18
    Electronic Resource
    Electronic Resource
    Effect of chlorpromazine on conditioned avoidance as a function of CS-US interval length (1971)
    Springer
    Psychopharmacology 22 (1971), S. 144-150 
    Details
    ISSN: 1432-2072
    Keywords: Avoidance ; Chlorpromazine ; CS-US Interval ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Three groups of four rats learned to avoid electric shock (US) by turning a wheel in response to a buzzer stimulus (CS). The CS-US intervals for each group were 5, 10, and 20 sec, respectively. After each animal had learned the avoidance procedure and had achieved a stable level of performance, the effect of several doses of chlorpromazine on percent avoidance, on latency time from CS onset to termination by a response, and on response rate was determined as a function of CS-US interval length. No consistent relationship between increasing interval length and response rate was observed. Neither lengthening the CS-US interval nor the interaction of this lengthening with chlorpromazine dose was found to exert a statistically significant effect on percent avoidance. Furthermore, although a statistically significant increase in response latency was found to be associated with increasing CS-US interval length, the increases in latency noted were not of sufficient magnitude to corroborate the hypothesis that lengthening the CS-US interval contributes importantly to increased avoidance responding in animals tested with chlorpromazine. Further, the results of this study do not support induction of a locomotor deficit as the mechanism by which chlorpromazine suppresses the avoidance response.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403622
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  • 19
    Electronic Resource
    Electronic Resource
    Central action of phentolamine administered intraventricularly in the rat (1971)
    Springer
    Psychopharmacology 20 (1971), S. 348-354 
    Details
    ISSN: 1432-2072
    Keywords: Phentolamine ; Noradrenaline ; Amphetamine ; Rat ; Locomotor Activity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Phentolamine injected intraventricularly in unanaesthetized rats decreased their locomotor activity and antagonized the excitatory effect of intraventricularly injected noradrenaline, or amphetamine injected s.c. Phentolamine did not influence the level of noradrenaline and 5-hydroxytryptamine in the rat brain. The mechanism of observed action of phentolamine is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403566
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  • 20
    Electronic Resource
    Electronic Resource
    The effects of acutely administered fenfluramine on activity and eating behaviour (1971)
    Springer
    Psychopharmacology 21 (1971), S. 165-173 
    Details
    ISSN: 1432-2072
    Keywords: Anorexic Effect ; Fenfluramine ; Activity Analysis ; Time Sampling Technique ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Three experiments are reported investigating the effects of acute administration of fenfluramine over 3 doses on activity, eating and drinking behaviour. A time sampling procedure of activity analysis was used, employing six behaviour categories. Fenfluramine produced a dose related decrease in rearing behaviours, with some evidence of an increase in walking categories at the lower dose levels. Eating and drinking behaviours showed clear dose related decreases. Sniffing categories showed a clear dose related increase. Attention is drawn to some of the difficulties of interpretation and assessment of anorexic effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00572274
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    NaK stimulated adenosinetriphosphatase: Intracellular localisation within the proximal tubule of the rat nephron (1971)
    Springer
    Pflügers Archiv 330 (1971), S. 265-270 
    Details
    ISSN: 1432-2013
    Keywords: NaKATPase ; Intracellular Localisation ; Proximal Tubule ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary With refinements of quantitative histochemistry, i.e. oilwell technique, enzymaticP ianalysis and NADP/NADPH cycling an enzymatic polarization of the tubular epithelial cell from the rat nephron to NaKATPase can be established. NaKATPase activity is limited to the basal area of the epithelial cell. Brush border fragments lack NaKATPase activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588617
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  • 22
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    Electronic Resource
    Percutane Schwanzarterienpunktion als Methode zur wiederholten Blutentnahme an der Ratte (1971)
    Springer
    Clinical and experimental medicine 154 (1971), S. 339-340 
    Details
    ISSN: 1591-9528
    Keywords: Blood sampling ; Rat ; Tail artery ; Blutentnahme ; Ratte ; Schwanzarterie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird die Punktion der Schwanzarterie der Ratte als Methode zur wiederholten Blutgewinnung bei diesem Versuchstier beschrieben.
    Notes: Summary The puncture of the tail artery in the rat is described as a method for repeated blood sampling in this animal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02045101
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  • 23
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    Electronic Resource
    Differential enzymatic behaviour of single proximal segments of the superficial and juxtamedullary nephron (1971)
    Springer
    Clinical and experimental medicine 155 (1971), S. 340-353 
    Details
    ISSN: 1591-9528
    Keywords: Rat ; Nephron types ; Oxydoreductases ; Quantitative histochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary With oxidoreductases mediating several metabolic pathways, e.g. LDH (glycolysis), ICDH, MDH (tricarboxylic acid cycle), GLDH (aminoacid metabolism) and G-6-PDH (hexose monophosphate shunt) additional marked differences between the subcapsular (SCN) and juxtamedullary (JMN) nephron of rat kidney could be established using quantitative histochemical technique. The enzymatic differences between the two nephron types are mainly quantitative as could be shown within the logarithmic network. The intrarenal enzymatic heterogeneity seems to constitute a general concept.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02053466
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  • 24
    Electronic Resource
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    Die Herzpunktion bei der Ratte zur wiederholten Blutentnahme und Injektion (1971)
    Springer
    Clinical and experimental medicine 156 (1971), S. 314-316 
    Details
    ISSN: 1591-9528
    Keywords: Rat ; Cardiopuncture ; Drawing of Blood ; Injektion ; Ratte ; Herzpunktion ; Blutentnahme ; Injektion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Cardiopunkture in anesthesia is a rapid and accurate method for withdrawal of blood and injection without as many complications as suspected if carried out correctly. In the animal placed on its back a syringe with a gauge-24 needle is inserted in the left 4th or 5th intercostal space close to the sternum. When the needle is slowly pushed forward toward the spine continuous suction is exerted with the plunger. After blood has been drawn the needle is removed with a quick jerk. Thus when rats were punctured 8 to 18 times only 1 animal died of a hemopericard in 275 punctures. No other complication could be observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02045832
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  • 25
    Electronic Resource
    Electronic Resource
    Über ein neues druckloses Formgebungsverfahren für pulverförmige Werkstoffe (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 8-12 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: New Forming Process of Powder Materials. A new forming process for powder materials is described. By this process the powder is accelerated and densified in a very short time in a simple form by an electrodynamic system. The densification is accomplished in some milliseconds with accelerations till 30 000 g. In spite of this short time long cylindrical bodies can be fabricated with an uniform, high density of 70% of theoretical. For this purpose ceramic and metal powders with particles below 30 microns are specially used.
    Notes: Ein neues Formgebungsverfahren für pulverförmige Werkstoffe, bei dem die Pulver in billigen, einfachen Gefäßen zur Formgebung und Verdichtung mit Hilfe von elektrodynamischen Impulsgebern kurzzeitig sehr hoch beschleunigt werden, wird ausführlich beschrieben. Die eigentliche Pulververdichtung erfolgt innerhalb von Millisekunden bei Beschleunigungen bis zu 30 000 g. Trotz dieser kurzen Einwirkungszeit können auch lange zylindrische Körper mit gleichmäßig hoher Dichte von 70% T. D. hergestellt werden. Für diese Verfahrenstechnik eignen sich besonders keramische und metallische Pulver mit Teilchengrößen unter 30 μm.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020103
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  • 26
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    Werkstoffwissenschaften: Neue Tendenzen zur Integration in Forschung und LehreIn der Technik-Beilage der Neuen Zürcher Zeitung erschien im März 1969 ein in Fachkreisen viel beachteter Aufsatz über Werkstoffwissenschaften von Herrn Professor Dr. B. Ilschner. Da dieses Thema eines der Zentralthemen unserer Zeitschrift ist, baten wir im Einvernehmen mit der Redaktion der Neuen Zürcher Zeitung Herrn Professor Dr. B. Ilschner um Veröffentlichung seiner Arbeit. Für das Heft 1 des 2. Jahrganges, das auch mit der Serie Ausbildung und Forschung auf dem Werkstoffgebiet beginnt, hat er uns ein auf den neuesten Stand gebrachtes Manuskript gegeben, wofür wir ihm danken. Recent trends in the integration of research and education (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 1-8 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020102
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  • 27
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    Messen des Korrosionspotentials an Schweißverbindungen im Kleinbereich (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 19-25 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: The small scale measurement of corrosion potential in welded joints. The corrodibility of welded joints is reported on. Potential curves give the possibility to backing the incomplete results in this field and permit a well defined statement concerning the corrosion behaviour. Failures of interpretation due to polarisation are indicated. The pulsating method helps to prevent changes of the concentration by reactions and alteration of the pH-value.This method delivers useful informations and detects the corrosion sensibility of welded joints.
    Notes: Berichtet wird über die Korrosionsempfindlichkeit von Schweißverbindungen. Potential-Kurven ermöglichen es, die noch unvollständigen Ergebnisse auf diesem Gebiet zu vervollständigen und abzusichern und gestatten eine eindeutige Aussage bezüglich des Korrosionsverhaltens. Hingewiesen wird auf Fehler, die bei dieser Art von-Messung durch Polarisation entstehen. Mit Hilfe der Impulsmethode gelingt es, Konzentrationsänderungen durch Reaktionen und Änderungen des pH-Wertes zu verhindern. - Die Arbeitsmethode liefert in kurzer Zeit brauchbare Informationen und deckt gleichzeitig die korrosiv empfindlichen Zonen einer Schweißverbindung auf.
    Additional Material: 19 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020105
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  • 28
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    Untersuchungen über das Strangpressen kubisch-flächenzentrierter Metalle. Teil III: Metallurgische UntersuchungenTeil I in Heft 2, S. 83-89; Teil II in Heft 3 S. 127-137 (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 13-18 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Metallurgical Investigations. Hardness determination proved that with rising extrusion temperatures a constant value of hardness could not be reached. Micro-examinations showed that the fibrous structure remains even with the highest extrusion temperature and that recrystalizations start later. Electronmicroscope investigations showed the formation of a cellular structure, and the sub-grain-boundaries flattened out with rising extrusion temperatures. The cellular structure is formed by a net of complicated dislocations. The pole figures showed that after reaching a reduction of R = 40 only the 〈 111 〉 direction could be determined. By comparing the hardness values, the micro-sections, and the electronmicroscope pictures it must be concluded that restoration takes place by polygonization before recrystallization. The existing stresses during the extrusion favour restoration by polygonization because they aid the climb of edge dislocations by creating new vacancies and annihilating the dislocations.  -  By microscopic investigations it could be shown that the segregated area which is formed during solidification in continuos extrusion in homogenised by strong deformation action on the sliding interface.
    Notes: Härtemessungen zeigten, daß man keinen konstanten Wert mit zunehmender Verpressungestemperatur erreicht. Lichtoptische Untersuchungen ergaben, daß die Faserstruktur bis zu höchsten Temperaturen erhalten bleibt und daß die Rekristallisation spät einsetzt. Elektronenoptische Untersuchungen zeigten, daß die Ausbildung einer Zellenstruktur auf der Grundlage eines sehr komplizierten Versetzungsnetzes, sowie eine deutliche Verflachung der Sub-Korn-Grenzen mit steigender Temperatur eintritt. Polfigurbestimmungen erbaben, daß von einem Reduktionsverbhältnis R = 40 und höher nur noch die 〈 111 〉 Ausrichtung besteht. Aus dem Vergleich der Härtewerte, der lichtoptischen und elektronenoptischen Untersuchungen kann geschlossen werden, daß die Restauration des verpreßten Aluminiums durch Polygonisation schon in der Erholungsperiode, vor der Rekristallisation, stattfindet und daß die bestehenden Spannungen den Vorgang beschleunigen, da das Klettern der Stufenversetzungen dadurch begünstigt wird, denn diese Spannungen schaffen neue Leerstellen und löschen Versetzungen aus.  -  Durch Schliffbilder konnte gezeigt werden, daß eine durch Steigerung beim kontinuierlichen Verpressen entstehende angereicherte Segregatschicht durch die kräftige Grenzschichtengleitung homogenisiert wird.
    Additional Material: 19 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020104
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    Neues aus dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 34-36 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020108
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  • 30
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    Der Lasermikrospektralanalysator als Anregungsgerät für die Emissionsspektralanalyse (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 25-27 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: The Laser-Microprobe as an Excitation Device for Electrochemical Analysis. The laser-microprobe, which has been commercially available for some years, is specially suited for the purpose-oriented microanalysis. The equipment set-up permits the laser-microprobe or the spark unit to be used as excitation device with out change. The low initial cost compared to other equipments of similar efficiency will in the future ensure a wider use of this multi-purpose equipment in microanalysis, despite some inherent imperfections.
    Notes: Der seit einigen Jahren auf dem Markt erhältliche Lasermikrospektralanalysator (LMSA) eignet sich besonders zur gezielten Mikroanalyse. Er läßt sich so aufbauen, daß er oder das Funken-Bogen-Stativ wahlweise ohne Umrüstung zur Anregung verwendet werden kann.Die im Vergleich zu verfahren ähnlicher Wirksamkeit niederen Anschaffungskosten lassen erwarten, daß dieses vielseitig verwendbare Gerät bei der Durchführung von Mikroanalysen trotz einiger Unvollkommenheiten weiterhin Beachtung finden wird.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020106
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    Die Anwendung von Schallemission für die Schweißnahtkontrolle (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 97-101 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: The use of Acoustic Emission as a weld Quality Monitor. The results obtained from our experiments with spot welding, gas tungsten-arc welding, and submerged-arc welding demonstrate the potential of acoustic emission monitoring as a nondestructive test for welds. The real-time nature of the acoustic emission data sets this technique apart from other nondestructive methods used for weld inspection. Since the acoustic emission from weld defects is transient, empirical calibration is required for each application. Defects can be located approximately but the type of defekt cannot be determined.
    Notes: Die Aufzeichnung von Schallemission (acoustic emission, sound emission) wird diskutiert, um ein allgemeines Verständnis dieser Technik für die Kontrolle von Schweißnähten zu vermitteln. Die wichtigste Eigenschaft des Schallemissions-Verfahrens im Vergleich zu anderen zerstörungsfreien Prüfmethoden ist, daß man ein Sofort-Ergebnis erhält. Die weitreichenden Anwendungsmöglichkeiten dieses Verfahrens werden an Beispielen von Sofort-Ergebnissen der Unter-Pulver-Schweißung, Wolfram-Inert-Gas- und der Punkt-Schweißung gezeigt. Schallemission zeigt fehlerhafte Schweißnähte und die ungefähre Ausdehnung der Fehler an; darüberhinaus kann das Anwachsen der Risse in ein Verhältnis zu anderen veränderlichen Zuständen der Schweißnaht gesetzt werden. Das Schallemissions-Verfahren kann, in Ergänzung zu den bestehenden Schweißnaht-Prüfmethoden, eine Verringerung der Nacharbeitungskosten und eine Verbesserung der Schweißnaht-Qualität bewirken.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020206
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    Neues aus dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 101-102 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020207
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  • 33
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    Ausbildung und Forschung (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 102-105 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020208
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  • 34
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    Berichte über Tagungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 105-106 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020209
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  • 35
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    Kurze Nachrichten (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 106-111 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020210
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  • 36
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    Klaus Sczimarowsky, Gefüfung metallischer Werkstoffe. Verlag für Studienuterlagen, 4235 Kapellen, 87 Seiten, DIN A 4, geheftet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 112-112 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020211
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  • 37
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    Veranstaltungskalender (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 112-112 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020213
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  • 38
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    Masthead (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020301
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  • 39
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    Albert G. Guy: Metallkunde für Ingenieure (deutsche Überarbeitung: Günther Petzow). Akademische Verlagsgesellschaft, Frankfurt 1970. 528 Seiten, 292 Abbildungen, 38 Tabellen. Preis DM 70,- (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 112-112 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020212
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  • 40
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    Das Zeitstandverhalten der Werkstoffe und die Grundlagen der Hochtemperatur-Plastizität (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 123-127 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Creep and Creep-Rupture Behaviour of Materials- and the Fundamentals of High Temperature Plasticity. Principles of evaluation methods for creep data (strain vs. time) for technological purposes as well as in fundamental research. Derivation and discussion of equations representing rupture-life and constant strain curves in creep rupture diagrams. Consequences for extrapolation of short-time tests.
    Notes: Prinzipien der Auswerte-Methodik für Kriechmeßdaten (Dehnung als Funktion der Zeit) bei technischer und bei wissenschaftlicher Zielsetzung. Ableitung und Diskussion von Gleichungen für Zeitbruch- und Dehngrenzlinien im Zeitstandschaubild. Konsequenzen für die Extrapolation von Kurzzeittests.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020303
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  • 41
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    Wärmealterung und Grenztemperatur von organischen Isolierstoffen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 127-135 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Thermal aging and endurance of organic insulating materials. The knowledge of the thermal endurance of organic insulating materials is very important for the application in electrical engineering. The change of the values of the properties by thermal aging is, theoretically, described under the assumption being a linear connection to the rules of the kinetic theory of chemical reactions. By this premise it is possible to indicate functions for aging and thermal endurance, being plotted as straight lines in suitable coordinates. In this way the test results can be evaluated better than by conventional means.
    Notes: Die Kenntnis der Grenztemperatur organischer Isolierstoffe ist für deren Anwendung in der Elektrotechnik von großer Wichtigkeit. Die Änderung von Eigenschaftswerten auf Grund einer Wärmebehandlung wird theoretisch beschrieben unter der Annahme, daß ein linearer Zusammenhang mit den Gesetzen der Reaktionskinetik besteht. Unter den getroffenen Voraussetzungen können. Alterungs- und Lebensdauerfunktionen angegeben werden, die sich bei geeigenten Koordinaten als Geradendarstellen lassen. Meßergebnisse können auf diese Weise besser ausgewertet werden als nach herkömmlichen Verfahren.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020304
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    Die analytische Chemie im Dienste1 Plenarvortrag auf der Festsitzung der Gesellschaft Deutscher Chemiker anläßlich der ACHEMA am 20. 6. 1970 der Werkstoffentwicklung (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 135-144 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Analytical Chemistry used for developing new materials. The development of new materials constantly confronts the analyst with difficult new problems. Of particular importance for this work would be all methods permitting to lay bare the phase interface and to study their structure and perturbations of this structure. The analyst has to solve these problems in close contact with the technologists specializing in this modern technique.
    Notes: Die Entwicklung neuer Werkstoffe stellt den Analytiker vor immer neue diffizile Aufgaben. Insbesondere dürften alle Verfahren, mit denen es gelingt, Phasengrenzflächen freizulegen und ihren Aufbau sowie Störungen in diesem Aufbau zu studieren, für diese Aufgaben von großer Bedeutung sein. Der Analytiker muß diese Aufgaben in engster Fühlung mit den Technologen, die sich dieser modernen Entwicklung verschrieben haben, lösen.
    Additional Material: 17 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19710020305
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    Kaltgewalztes Flachzeug aus unlegierten weichen Stählen  -  Nach DIN 1623 Blatt 1 (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 113-123 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Cold-Rolled Flat Products of Plain Carbon Mild Steel According to DIN 1623 Sheet 1. Cold-rolled flat products of plain carbon mild steel and among the most important finished products made by iron and steel works and rolling mills as well as being among the most important semi-products for industrial manufacture. Metallurgical and rolling developments during the course of the last twenty years have resulted in considerable improvements in the main cold forming properties of sheet and strip. The chief demand made of manufacturers of cold-rolled flat products is for sheet and strip which has been fully annealed and rerolled for good cold formability. Because of the various stresses on materials in the different forming processes, it is difficult to make a reliable prediction from test results about the behaviour of the material during actual forming operations. The new edition of sheet 1 of DIN 1623 prescribes the conventional test methods and their results as regards ensuring cold formability. The Standard does not include the additional means of using numerical values for vertical anisotropy r, work hardening exponent n and the maximum drawing ratio (ßo)max.
    Notes: Kaltgewalztes Flachzeug aus unlegierten weichen Stählen ist eines der wichtigsten Walzwerksfertigerzeugnisse der Hütten- und Walzwerke und ebenso eines der wichtigsten Halbzeuge für die industrielle Fertigung. Die metallurgische und walztechnische Entwicklung haben vor allem im Verlauf der beiden vergangenen Jahrzehnte zu bedeutsamen Fortschritten hinsichtlich der für die Kaltumformung der Bleche und Bänder wichtigen Eigenschaften geführt. Die wichtigste Forderung der Verarbeiter kaltgewalzten Flachzeugs ist die nach bester Kaltumformbarkeit der rekristallisierend geglühten und nachgewalzten Bleche und Bänder. Dabei ist es wegen der unterschiedlichen Werkstoffbeanspruchung bei den einzelnen Umformungsprozessen schwierig, mit Hilfe von Prüfergebnissen eine zuverlässige Vorhersage des Werkstoffverhaltens bei der betrieblichen Umformung zu machen. Die Neufassung des Blattes 1 der DIN 1623 legt hinsichtlich der Gewährleistung der Kaltumformbarkeit die konventionellen Prüfverfahren und deren Ergebnisse zugrunde. Eine zusätzliche Bewertung unter Verwendung der Zahlenwerte für die senkrechte Anisotropie r, den Verfestigungsexponenten n und das Grenzziehverhältnis (ßo)max ist zur Zeit im Rahmen der Norm nicht angebracht.
    Additional Material: 3 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19710020302
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    Neues aus dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 150-154 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020307
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  • 45
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    Berichte über Tagungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 156-159 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020309
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  • 46
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    Technologische Eigenschaften von Titan-SprengplattierungenVorgetragen auf der ACHEMA 1970, 16. Ausstellungs-Tagung für chemisches Apparatewesen Frankfurt/Main vom 17. bis 24. Juni 1970. (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 169-174 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Mechanical Properties of Titanium Explosion Claddings. Steel vessels explosion-clad with titanium show certain advantages over vessels lined with titanium or entirely consisting of titanium, for purposes involving temperatures above 200° C, high pressures and external heating. This report deals with the sheer resistance and bend ductility achieved by cladding of boiler plates H I and H II with either commercial pure titanium of low tensile strength or with palladium-alloyed titanium. The effect of shock wave propagation, micro-structure and heat treatment are discussed. Finally the report gives information about the acceptance conditions and processing problems.
    Notes: Sprengplattierungen der Paarung Titan - Stahl ergeben im Behälterbau im Vergleich zu Auskleidungen mit Titan oder Titanbehältern Vorteile bei Temperaturen oberhalb 200° C, hohen Drucken sowie bei Außenbeheizung. Für Paarungen mit Titan technischer Reinheit geringer Festigkeit sowie mit geringem Palladiumzusatz als Auflagewerkstoffe und den Kesselblechen H I und H II als Grundwerkstoffe wird die erzielte Abscherfestigkeit und die Biegefähigkeit beschrieben. Der Einfluß der Schokwellenausbildung, der Gefügebeeinflussung und von Wärmebehandlungen werden besprochen. Schließlich werden die Abnahmebedingungen und Verarbeitungsfragen erörtert.
    Additional Material: 11 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19710020402
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    Neuere Untersuchungen zur Struktur der Zinnüberzüge auf WeißblechDruckfassung des Vortrages, gehalten auf der Weißblech - Tagung am 3. 12. 1970 in Braunschweig. (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 175-180 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Recent investigations on the structure of the coatings of tinplate. The nucleation and growth of the alloy layer (FeSn2) is described. The continuity of the coverage of the steel with alloy crystals is a principal factor governing the shelf life of many tinplate packages. The crystal's growth seems to interfere with nodules in the steel surface which are believed to be hydrated oxides of iron. Means and suggestions for improving control of alloy layer growth are discussed.
    Notes: Es wurde die Keimbildung und das Wachstum der Legierungsschicht (FeSn2) auf Weißblech untersucht. Die kontinuierliche Bedeckung der Oberfläche des Stahls mit den Legierungskristallen ist eine wesentliche Voraussetzung für die Lebensdauer vieler Weißblechpackungen. Das Wachstum der Kristalle wird nach diesen Untersuchungen durch Knötchen auf der Stahloberfläche behindert. Diese Knötchen sind wahrscheinlich Eisenoxydhydrate. Es werden Möglichkeiten zur besseren Steuerung des Legierungswachstums aufgezeigt.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020403
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    Untersuchung silikonbedingter Benetzungsfehler bei Lackierungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 180-182 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Investigation with regard to wetting faults caused by silicon troplets. Wetting faults caused by silicone troplets can now be analyzed with the Elektronenstrahl - Mikroanalysator. The pictures which have been drawed of the filtered X - rays allow the proof of silicium, iron, phosphorus, zinc and other components of the varnish or of the support. The pictures produced by the test current, show the geometric figures and the relative arrangements of the participant materials. The advantage of the procedure consists in a secure proof of silicone quantities, which are to small for the usual analysis procedures and in the pictorial description.
    Notes: Durch Silikontröpfchen verursachte Benetzungsfehler können mit dem Elektronenstrahl - Mikroanalysator analysiert werden. Der Vorteil des Verfahrens liegt im sicheren Nachweis von Silikonmengen, die für die üblichen Analysenverfahren zu klein sind und in der bildlichen Darstellung des Aufbaues der Lackierung. Die von ausgefilterten Röntgenstrahlen aufgezeichneten Bilder erlauben den Nachweis von Silicium, Eisen, Phosphor, Zink und anderen Bestandteilen der Lacke oder der Unterlage. Die vom Probenstrom erzeugten Bilder zeigen die geometrischen Formen und die relativen Anordnungen der beteiligten Stoffe.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020404
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    Quantitative Röntgenfluoreszenzanalyse elektronenstrahlerschmolzener Zirkonium-Vanadium-Legierungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 197-204 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Quantitative Spectral Analysis of Electron Beam Melted Zr V Alloys by X-Rays. In order to analyze electron beam melted Zirkonium Vanadium alloys there has been elaborated a method of X-ray analysis for quick and simple measurement of the Vanadium content. The experimental parameters have been predetermined as theoretically possible. By certain experiments the influence of different heat treatment conditions on the results of the analysis has been checked.Alloys with an under eutectoidal content of Vanadium may be analyzed by x-raying massive specimens, when care is taken for a useful heat treatment of the samples. The larger unregular precipitations of the ZrV2 phase in over eutectoidal alloys cause a wide spread divergence of the measured quantities. Therefore the alloys should be pounded by a very fine diamond file and the chips mixing them with stearin compresses to tablets. Then it will be possible to suppress the influence of size and distribution of the precipitations. The useful size of the powdery grains can be figured out by the relations between absorption conditions and diameters of the ZrV2 phase.
    Notes: Zur Analyse von im Elektronenstrahlofen erschmolzenen Zirkonium-Vanadium-Legierungen ist ein Verfahren der Röntgenfluoreszenzanalyse erarbeitet worden, das es erlaubt, den Vanadiumgehalt schnell und einfach zu bestimmen. Hierzu wurden die Versuchsbedingungen, soweit sie theoretisch faßbar und bekannt sind, festgelegt. Durch verschiedene Untersuchungen konnte der Einfluß des Gefügezustandes auf das Meßergebnis der Röntgenfluoreszenzanalyse erfaßt und geklärt werden.Bei untereutektoiden Legierungen ist es möglich, auch Massivproben zu analysieren, wobei allerdings darauf zu achten ist, daß, das Material vorher Wärmebehandlungen zur Erzielung günstiger Gefügezustände unterworfen worden war. Bei übereutektoiden Legierungen tritt jedoch infolge der schwer zu steuernden ZrV2-Ausscheidung eine zu große Streuung der Meßergebnisse auf, so daß hierfür das Zerkleinern der Proben und die Analyse der aus den Zerkleinerungsprodukten mit einem Bindemittel hergestellten Tabletten geeignet ist. Hierbei ist es auch möglich, den Einfluß von Verteilung und Größe der Ausscheidungen von ZrV2 in der Zirkoniummatrix zu unterdrücken. Die nötige Korngröße ergibt sich aus den Berechnungen über die Veränderung der Absorptionsverhältnisse durch die Größe der Zweitphasen.Dank:Für die finanzielle Unterstützung, die diese Arbeit ermöglichte, sind wir der DECHEMA, insbesondere den Herren Dr. Behrens und Dr. Rahmel, zu großem Dank verpflichtet.
    Additional Material: 7 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19710020407
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  • 50
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    Rißfortschritt in ultrafesten Stählen und deren Schweißverbindungen bei dynamischer Beanspruchung (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 243-252 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Crack propagation in ultra-high-strength steels and their welded joints under dynamic loading. Reported are results of investigation into the propagation of cracks in the base metal and weld metal of an ultra-high-strength steel. The material used in the investigations was a Ni—Co—Mo—alloy maraging steel with a yield point of 170 kp/mm2. The steel was arc welded and TIG welded. The joints exhibited a drop of static strength in the range of 5 to 8 percent related to the base metal. Under zero-to-tension stress cycles the fatigue strength corresponded that of other high-strength steels, under tension-compression stress cycles the steel exhibited a higher fatigue strength. It was possible to show striations with the aid of scanning microscopy. Comparing the track propagation calculated in the microscopic range with the results obtained from the crack growth curves produced approximate agreement.
    Notes: Die folgenden Untersuchungen befassen sich mit dem Rißfortschritt in ultrafesten geschweißten Verbindungen. Als Versuchswerkstoff diente-ein martensitaushärtender Ni—Co—Mo—legierter Stahl mit einer Mindeststreckgrenze von 170 kp/mm2. Die verwendeten Bleche wurden lichtbogenhand- und WIG-geschweißt. Bei den Verbindungen war ein statischer Festigungsabfall von 5 bis 8% zu verzeichnen. Im Zugschwellbereich entsprach die Schwingfestigkeit der Tragfähigkeit anderer hochfester Stähle, im Zug-Druck-Wechselbereich dagegen ergab sich eine bessere dynamische Tragfähigkeit. Mit Hilfe der Rasterelektronenmikroskopie gelang der Nachweis von Bruchlinien. Ein Vergleich der im mikroskopischen Bereich berechneten Rißfortschrittsgeschwindigkeiten mit den aus den Rißwachstumskurven gewonnenen Ergebnissen führte zu einer annähernden Übereinstimmung.
    Additional Material: 15 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19710020504
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    Neues aus dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 262-263 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020508
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    Anorganische PolymereEinführungsvortrag, Intern. Symposium on Inorganic Polymers, London, April 1969 [23] (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 254-258 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Inorganic Polymers. This paper does not seek provide a synoptic view of the vast field of inorganic polymers. Instead it contains a few speculations about future progress, as seen from a strictly personal viewpoint. These speculations revolve around three points. These are: )1(The distribution of the network bonds in space.)2(The nature of the network bonds.)3(Mixed networks.There are many other degrees of freedom in polymere science which have not been discussed, and some of these will be exposed in the later papers.
    Notes: Diese Arbeit ist keine Synopsis des großen Gebietes anorganischer Polymere. Sie bringt einige Spekulationen aus persönlicher Sicht, denen drei Gesichtspunkte zugrunde liegen: 1die räumliche Verteilung der Netzwerkbindungen2die Natur der Netzwerkbindungen3gemischte NetzwerkeWeitere “Freiheitsgrade” der Polymer-Wissenschaft sollen in späteren Arbeiten diskutiert werden.
    Additional Material: 8 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19710020506
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    Normung auf dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 263-263 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020509
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    Berichte über Tagungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 264-267 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020510
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    Kurze Nachrichten (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 267-278 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020511
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    Pulvermetallurgische Herstellung dispersionsgehärteter Nickel- und Kobaltlegierungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 259-261 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Production of Dispersion-Hardened Nickel and Cobalt Alloys by means of Powder Metallurgy. Dispersion-hardened nickel and cobalt alloys whose creep-rupture strength drops more slowly at rising temperatures than in the known precipitation-hardened alloys, are suitable for use at 1000-1200 °C. The preferred component for producing dispersed phase is thoria. A cobalt alloy similar to S 816 containing 3% thoria was produced by a chemical process: By precipitation from an aqueous solution of the metallic salts concerned in the presence of a colloidal solution of thoria (partycle size 30-50 Å), one obtains a mixture of the hydroxides or the basic carbonates respectively. Co-precipitation in one single preparation is possible, if certain conditions are observed. After drying and powdering, the precipitate is reduced in a hydrogen stream in two stages (at 700 and at 1230 °C). The resultant metal powder is compacted, vacuum-sintered at 1290 °C and then extruded at 1150 °C.
    Notes: Dispersionsgehärtete Nickel- und Kobaltlegierungen, deren Zeitstandfestigkeit mit steigender Temperatur langsamer abfällt als die der bekannten ausscheidungsgehärteten Legierungen, sind für den Einsatz bei 1000 bis 1200 °C geeignet. Als härtender Dispersionsstoff wird Thoriumoxid bevorzugt Die Herstellung einer S 816 ähnlichen Kobaltlegierung mit 3% Thoriumoxid erfolgt nach einem chemischen Verfahren: Durch Ausfällung aus einer wässerigen Lösung der entsprechenden Metallsalze in Gegenwart einer kolloidalen Lösung von Thoriumoxid (Teilchengröße 30 his 50 Å) erhält man eine Mischung der Oxidhydrate bzw. basischen Carbonate. Bei Einhaltung bestimmter Bedingungen ist die gemeinsame Ausfällung in einem Ansatz möglich. Nach Trocknen und Mahlen wird das Fällungsprodukt im strömenden Wasserstoff in zwei Stufen (bei 700 und bei 1230 °C) reduziert. Das so erhaltene Metallpulver wird gepreßt, unter Vakuum bei 1290 °C gesintert und bei 1150 °C stranggepreßt.
    Additional Material: 5 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19710020507
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    M. Kühlmeyer, Die nichtzentrale t-Verteilung. Band 31 der „ Lecture Notes in Operations Research and Mathematical Systems“, Springer-Verlag, Berlin-Heidelberg-New York, 1970, 106 Seiten. Geheftet 10,  -  DM (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 279-279 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020512
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    Klaus Sczimarowsky, Zerstörende und zerstörungsfreie Metallprüfung. Verlag für Studienunterlagen, Kapellen 1970. 112 Seiten mit 146 Abbildungen. 22,  -  DM (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 279-279 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020513
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    Herbert Tauscher, Dauerfestigkeit von Stahl und Gußeisen. VEB Fachbuchverlag Leipzig. 1. Auflage 1969. 176 Seiten mit 160 Bildern und 36 Tabellen. 16,5 × 23 cm Pappeinband 8,  -  DM (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 279-279 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020514
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    K. Heckel, Einführung in die technische Anwendung der Bruchmechanik. 78 Seiten mit 46 Bildern und 12 Tabellen. Format 14,5 × 21 cm. 1970 Carl Hanser Verlag, München. Alkorphaneinband 13,80 DM (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 279-279 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020515
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    Schriften des Deutschen Atomforum e. V. Das Deutsche Atomforum hat seine Schriftenreihe mit Heft 18. „Radioaktivität  -  heute“ fortgesetzt (Verfasser: H. Vogg) (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 279-280 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020516
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  • 62
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    Masthead (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020601
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  • 63
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    Kleine Enzyklopädie Atom. Struktur der Materie, Herausgeber Ch. Weißmantel, 864 Seiten mit 850 Abbildungen und 96 z. T. mehrfarbigen Tafeln, Kunstsoffeinband DM 36,  - , Verlag Chemie 1970 (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 280-280 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020517
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  • 64
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    Das Verhalten von Kunststoffen bei kurzzeitiger und langzeitiger Beanspruchung, Kennwerte und Kennfunktionen.Gekürzte Fassung des Vortrages anläßlich eines Lehrganges des VDI-Bildungswerkes: “Grundlagen der Kunststofftechnologie”. (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 281-291 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: The behaviour of Plastics under short- and long-time loading, values and functions. The viskoelastic behaviour of plastics is described in many publications. In this paper the essential factors, which affect the technological properties, shall briefly be presented. With the aid of tables and functions a survey is given about the strain- and stress-behaviour under shot- and long-time static and dynamic loading as well as the behaviour under impact load.
    Notes: Das viskoelastische Verhalten der Kunststoffe wurde in zahlreichen Einzelveröffentlichungen beschrieben. In dieser Arbeit sollen die wesentlichen Faktoren, die die technologischen Eigenschaften beeinflussen, kurz dargestellt und anhand von Tabellen und Funktionen ein Überblick über das Dehn- und Festigkeitsverhalten bei kurz- und langzeitiger statischer und dynamischer Belastung sowie das Verhalten bei Schlagbeanspruchung gegeben werden.
    Additional Material: 21 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020602
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  • 65
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    Beitrag zum oxydativen Abbau von Hochpolymeren am Beispiel des Polyphenylenoxides (PPO)Auszug aus der Dissertation an der Technischen Universität Berlin 1970. (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 298-304 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Investigation Methods to Study the Oxidative Deterioration of Highpolymers. Environmental factors such as light, heat and oxygen lead to changes in the chemical structure of polymers which result in a deterioration of the physical and mechanical-technological properties of these materials. A brief description of the chemical reactions involved is given and then considering the photooxydation of poly-2,6-dimethylphenyleneether in detail, various investigation methods are discussed which allow a precise statement regarding the relative stability of these materials against oxidative degradation as well as about the reaction progress of the oxydation process.
    Notes: Umwelteinflüsse wie Licht, Wärme und Sauerstoff führen zu chemischen Strukturänderungen von Polymeren und verursachen dadurch eine Verschlechterung der physikalischen und mechanischtechnologischen Eigenschaften dieser Werkstoffe. Zunächst wird der Ablauf dieser chemischen Reaktionen kurz erläutert, und am Beispiel der Photooxydation von Poly-2,6-dimethylphenylenäther werden eine Reihe von Untersuchungsmethoden behandelt, die sowohl Aussagen über die relative Beständigkeit dieser Werkstoffe gegenüber oxydativem Abbau als auch über den Reaktionsablauf der Oxydationsprozesse erlauben.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020604
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  • 66
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    Ausbildung und Forschung (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 317-318 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020607
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  • 67
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    Veranstaltungskalender (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 391-392 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020712
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  • 68
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    Merkblatt für Autoren (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 392-392 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020713
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  • 69
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    Masthead (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020801
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  • 70
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    Die Faser- und Fadenverstärkung von plastischen und spröden MatrixmaterialienVortrag von J. Nixdorf auf der Tagung „Verbundwerkstoffe“ der DGM am 22. 10. 1970 in Konstanz (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 398-405 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Fibre- and Filament-Reinforcement of Plastic and Brittle Matrix Materials The tensile strength of a fibre-reinforced material depends on the stress-strain behaviour of the two components and on the volume percentage, the orientation and the geometry of the fibres. For production and application of the composite material at elevated temperatures the chemical reactions between fibre and matrix are of critical importance. It may be necessary to incorporate an intermediate layer in order to inhibit an excessively strong reaction or to increase the bond strength.Feasible fibre-reinforced composites with metallic matrices are discussed. Nonmetallic inorganic materials are rather difficult to reinforce because of their brittle fracture properties. Development trends in the field of fibrereinforced materials are outlined.
    Notes: Die Festigkeit eines faserverstärkten Werkstoffs hängt vom Spannungs-Dehnungs-Verhalten beider Komponenten sowie vom Volumenanteil, der Orientierung und der Geometrie der Fasern ab. Für die Herstellung und Anwendung des Verbundwerkstoffs bei erhöhter Temperatur ist das chemische Reaktionsverhalten zwischen Faser und Matrix von Bedeutung. Gegebenenfalls muß durch eine Zwischenschicht eine zu starke Reaktion gehemmt bzw. die für optimale mechanische Eigenschaften erforderliche Bindung erhöht werden.Realisierbare Faserverbundwerkstoffe mit metallischer Matrix werden behandelt. Die Verstärkung von nichtmetallischen anorganischen Materialien wirft aufgrund ihrer Sprödbrucheigenschaft erhebliche Probleme auf. Entwicklungstendenzen auf dem Gebiet der faserverstärkten Werkstoffe werden aufgezeigt.
    Additional Material: 16 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020803
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  • 71
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    Über das Anlaufverhalten von flüssigen Zinn-Blei-Loten (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 418-422 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Tarnishing of liquid tin lead soldering alloys. Tarnishing of liquid tin lead soldering alloys proved to be different from delivery to delivery. A simple methode of testing was developped for the quantitative determination of tarnishing.  -  Further investigations proved, that tarnishing consists in the oxidation of tin only. Lead does not take part in this process at all. The speed determining step was shown to be the diffusion of tin ions through the oxide phase.  -  The oxidation of tin lead alloys can be reduced by adding phosphorus.
    Notes: Orientierende Untersuchungen über das Anlaufverhalten von flüssigen Zinn-Blei-Loten ergaben eine unterschiedliche Anlaufneigung einzelner Lotchargen. Zur quantitativen Bestimmung der Anlaufneigung wurde eine einfache Prüfmethode entwickelt.  -  Weitere Untersuchungen zeigten, daß die Bildung von Anlauffarben auf einer Oxydation des Zinns beruht. Blei nimmt dagegen an der Oxydation nicht teil. Als geschwindigkeitsbestimmender Teilschritt der Oxydation wurde die Diffusion der Zinn-Ionen durch die Oxidphase ermittelt.  -  Die Oxydation von Zinn-Blei-Legierungen kann durch Zusatz von Phosphor vermindert werden.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020806
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    Ausbildung und Forschung (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 422-426 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020807
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  • 73
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    Normung auf dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 39-39 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020110
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  • 74
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    Kurze Nachrichten (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 46-56 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020117
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  • 75
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    G. Spengler und F. Wunsch, Schmierung und Lagerung in der Feinwerktechnik. Reihe „Stand der Technik, Entwicklung und Fortschritte, Thema: Feinwerktechnik“ VDI-Verlag GmbH, Düsseldorf (1970), 526 Seiten DIN A 5, Preis DM 136, -  (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 45-45 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020116
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  • 76
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    Veranstaltungskalender (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 56-56 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020118
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  • 77
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    Normung auf dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 154-155 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020308
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  • 78
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    Berichte über Tagungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 209-211 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020411
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    Kurze Nachrichten (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 212-222 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020412
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  • 80
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    Werner Rüegg, Oberflächenbehandlung von Zinkdruckguß, Juris Druck + Verlag, Zürich (1970) 493 Seiten, 215 Abbildungen und 65 Tabellen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 223-223 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020413
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    Zielsetzung und Möglichkeiten der Messung mechanischer Eigenschaften von Lackfilmen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 305-311 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Objectives and facilities of measuring the mechanical properties of paint films. Satisfactory values for basic mechanical properties are required if the film is to perform the protective function reliably. The measurement of mechanical properties can be difficult, because the material under test is only a thin film and the influence of the substrate must be eliminated. The chemical structure of the macromolecular binder of the film implies the “viscoelastic” behavior, characterized by a typical dependency on temperature and time scale of stress. For practical purposes, mechanical properties are measured with technological methods which are however complicated in physical terms. This restriction is not existent for welldefined physical methods, such as the one-dimensional stress-strain test and various methods providing for periodical stress of the specimen. Results obtained with these methods are characteristic for the viscoelastic film behavior.
    Notes: Eine zuverlässige Schutzfunktion eines Lackfilmes setzt ausreichende Kennwerte für seine mechanischen Eigenschaften voraus. Die Messung mechanischer Eigenschaften ist dadurch erschwert, daß das Prüfmaterial immer in begrenzter Filmdicke vorliegt und der Substrateinfluß zu berücksichtigen ist Die chemische Struktur des makromolekularen Bindemittels bedingt das „viskoelastische“ Verhalten des Filmes, das sich in einer typischen Abhängigkeit von Temperatur und Beanspruchungszeit äußert. Für praktische Bedürfnisse werden die mechanischen Grundeigenschaften durch technologische Verfahren bestimmt, die in physikalischer Hinsicht jedoch relativ kompliziert sind. Diese Einschränkung besteht nicht bei den wohl definierten physikalischen Prüfverfahren, von denen die eindimensionale Zugdehnungsprüfung sowie verschiedene Methoden mit einer Wechselbeanspruchung des Materials praktische Bedeutung erlangt haben. Die mit diesen Methoden ermittelten Prüfresultate ergeben eine Charakterisierung der Filme, die ihrem viskoelastischen Verhalten angemessen ist.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020605
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    Untersuchungen über das Schwindverhalten gefüllter, bei Raumtemperatur härtender Verlege- und Verfugemassen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 312-317 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Investigation of the Shrinkage of Different Filled Resins. It is investigated the shrinkage of different filled cements as unsaturated polyesters, which crosslink by polymerisation, Epoxyresins, which cure by polyaddition, phenolformaldehyd resins and furanic resins, which cure by an acid catalysated condensation. These filled cements are applied for laying and pointing bricks. Filled Epoxyresins and unsaturated polyester resins are also used for jointless floors. The influence of: relation between cement and filler, the kind and granulometrie of filler, the structure of the cement, the structure of the curing agent as a component of a polyaddition system, investigated by model tests is discussed.
    Notes: Das Schwindverhalten von verschieden gefüllten Bindemitteln, nämlich UP-Harzen, Härtung durch Polymerisation, EP-Harzen, Härtung durch Polyaddition, PF-Harzen und Furanharzen, Härtung durch sauer katalysierte Polykondensation, wird untersucht. Diese Systeme finden Verwendung als Verlege- und Verfugemassen im Säureschutzbau, die EP- und UP-gebundenen Massen auch als Spachtelmassen für fugenlose Fußbodenbeläge. Der Einfluß folgender Faktoren: Verhältnis Bindemittel zu Füllstoff, Art und Kornaufbau des Füllstoffes, Konstitution des Bindemittels, Art des Härters oder Konstitution der Polyadditionskomponenten, wird an Modellversuchen geprüft und diskutiert.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020606
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    Normung auf dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 321-322 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020609
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    Berichte über Tagungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 322-324 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020610
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  • 85
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    Neues aus dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 318-320 
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    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020608
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    Ausbildung und Forschung (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 373-374 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020707
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  • 87
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    Electronic Resource
    Neues aus dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 374-377 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020708
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  • 88
    Electronic Resource
    Electronic Resource
    Normung auf dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 377-379 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020709
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  • 89
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    Electronic Resource
    Zweischichten-SinterwerkstoffeVortrag auf dem Europäischen Symposium für Pulvermetallurgie, 7.-10.5. 1968 in Stuttgart (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 367-373 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Double-layer sintered metals. Double-layer sintered metals are materials, semi-products and formed parts consisting of two sintered layers of metal powders of different composition. Although the main reasons for their introduction lie on the materials and manufacturing sides, economics also play an important role in the application of the materials. A description is given of the main variables affecting the manufacture and properties of the new metals. Descriptions are also given of much special double layer sintered materials as FeNi20/FeNi36, Cu/Fe, Cu/CuNi30, Cu/CuSn9, AgCu8/CuNi30, AgPb10/Ag, AgPb10/Fe, AgNi10/Ni, AgNi10/Cu, AgNi10/CuNi30, AgCdO10/Ag, AgCdO10/Cu, AgCdO10/Ni; AgCdO10Cu8/Cu, AgCdO10Cu8/CuNi30, AgC4/AgNi10, WCu30Ni/Cu, WNi1/Ni and W AG30/Ag. The materials are used as bimetal stripl, electrical conductors and contacts, and as semi-conducteur components.
    Notes: Unter Zweischichten-Sinterwerkstoffen sind Werkstoffe, Halbzeuge und Formteile aus zwei übereinanderliegenden Schichten verschiedener Zusammensetzung zu verstehen, die aus Metallpulvern nach den Verfahrensschritten der Sintertechnik hergestellt sind. Es sind vor allem werkstoffliche und fertigungstechnische, aber auch wirtschaftliche Gründe, die zum Einsatz dieser Werkstoffe führen. Die grundlegenden Einflußgrößen auf Herstellung und Eigenschaften werden aufgezeigt. An speziellen Zweischichten-Sinterwerkstoffen werden FeNi20/FeNi36, Cu/Fe, Cu/CuNi30, Cu/CuSn9, AgCu8/CuNi30, AgPb10/Ag, AgPb10/Fe, AgNi10/Ni, Agni10/Cu, AgNi10/CuNi30, AgCdO10/Ag, AgCdO10/Cu, Ag CdO10/Ni, AgCdO10Cu8/Cu, AgCdO10Cu8/CuNi30, AgC4/AgNi10, WCu30Ni/Cu, WNi1/Ni und W Ag30/Ag beschrieben. Sie finden als Thermobimetalle, Werkstoffe der Elektrotechnik, wie Leiterwerkstoffe, elektrische Kontaktwerkstoffe und Halbleiterbauelemente Anwendung.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020706
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  • 90
    Electronic Resource
    Electronic Resource
    Berichte über Tagungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 379-380 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020710
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  • 91
    Electronic Resource
    Electronic Resource
    Kurze Nachrichten (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 381-391 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020711
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  • 92
    Electronic Resource
    Electronic Resource
    Anodischer Schutz durch Legierungsmaßnahmen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 406-413 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Anodic protection through alloying. The very heavy demands made on the resistance to corrosion of the metallic materials used in the chemical industry has at all times resulted in attempts to improve this property through special alloying techniques.In such techniques an important part is played by alloying elements which favourably influence the passivation of metals, the reason for this being that most of the materials used owe their resistance to the passive layers which are formed at their surfaces. Those elements which, by reducing over voltages, enable the cathodic reaction to be intensified are particularly important in this connection. They enable the passivating current to be raised and thus have effects similar to those of anodic protection. The effects of such elements, especially of Pt and Pd, on the corrosion behaviour of ferritic and austenetic stainless steels, of titanium, and of lead alloys, and also the opportunities for technical application, are described.
    Notes: Die besonders hohen Anforderungen an die Korrosionsbeständigkeit der in der chemischen Industrie verwendeten metallischen Werkstoffe hat von jeher zu Versuchen geführt, durch besondere Legierungsmaßnahmen eine Erhöhung der chemischen Resistenz zu erreichen.Eine wichtige Rolle spielen dabei Legierungselemente, die das Passivierungsverhalten von Metallen günstig beeinflussen, da die Mehrzahl der eingesetzten Werkstoffe ihre Beständigkeit den sich auf ihrer Oberfläche bildenden Passivschichten verdanken. In diesem Zusammenhang sind diejenigen Elemente von besonderer Bedeutung, welche eine Verstärkung der kathodischen Reaktion durch Verringerung von Überspannungen gestatten. Sie führen zu einer Erhöhung der erreichbaren Passivierungsstromdichte und wirken damit im Sinne eines anodischen Schutzes. Die Wirksamkeit solcher Elemente, insbesondere von Pt und Pd, auf das Korrosionsverhalten ferritischer und austenitischer rostfreier Stähle, auf Titan und auf Bleilegierungen wird beschrieben und die Möglichkeiten technischer Anwendung dargelegt.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020804
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  • 93
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    Electronic Resource
    Die zyklische Spannungs-Dehnungs-Linie von kaltgezogenem Stahl St 37KHerrn Prof. Dr.-Ing., Dr. rer. nat. h. c. Heinz Neuber zum 65. Geburtstag gewidmet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 413-418 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: The Cyclic Stress-Strain Curve of Cold-drawn Steel 37 K. From fatigue tests performed with a steel St 37 (cold drawn and annealed) a characteristic cyclic stress-strain curve was determined which describes the low-cycle fatigue behaviour much better than the stress-strain curve determined, by static tensile test.
    Notes: Aus Dauerschwingversuchen im Zeitfestigkeitsbereich wurde für einen St 37 (kaltgezogen und geglüht) eine charakteristische zyklische Spannungs-Dehnungs-Linie bestimmt. Diese besitzt gegenüber der im statischen Zugversuch ermittelten Spannungs-Dehnungs-Linie eine wesentlich höhere Aussagekraft zur Beurteilung des Ermüdungsverhaltens im Zeitfestigkeitsgebiet. In die Auswertung der Versuchsergebnisse wurden empirisch ermittelte Zusammenhänge mit einbezogen, welche eine gute Übereinstimmung mit den experimentellen Werten ergaben.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020805
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  • 94
    Electronic Resource
    Electronic Resource
    Neues auf dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 426-429 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020808
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  • 95
    Electronic Resource
    Electronic Resource
    Normung auf dem Werkstoffgebiet (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 429-430 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020809
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  • 96
    Electronic Resource
    Electronic Resource
    Berichte über Tagungen (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 430-437 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020810
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  • 97
    Electronic Resource
    Electronic Resource
    Kurze Nachrichten (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 437-446 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020811
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  • 98
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    Electronic Resource
    Helmut Thielsch: Fehler und Schäden an Druckbehältern und Rohrleitungen; Vulkan-Verlag Dr. W. Classen, Essen. Aus dem Amerikanischen übersetzt von W. Baumann. 448 Seiten, 423 Bilder, Leinen, Preis DM 84,-; Bestell-Nr. 2462 (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 446-446 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020812
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  • 99
    Electronic Resource
    Electronic Resource
    D. Radaj: Kerbspannungen an Öffnungen und starren Kerben, Deutscher Verlag für Schweißtechnik, Düsseldorf 1970. 249 Seiten, 355 Abbildungen, 3 Tabellen, DIN A 4, Preis DM 120,- (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 447-447 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020814
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  • 100
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    Electronic Resource
    Technologie der Zukunft, herausgegeben von Robert Jungk, Springer Verlag Verlag Berlin, Heidelberg, New York 1970, 202 Seiten, 48 Abbildungen, Preis DM 15,80 (1971)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 2 (1971), S. 447-447 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19710020815
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