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  • 1955-1959  (2,639)
  • 1890-1899
  • 1957  (2,639)
  • Chemistry  (2,639)
  • General Chemistry  (510)
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Years
  • 1955-1959  (2,639)
  • 1890-1899
Year
  • 101
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 629-631 
    ISSN: 0947-5117
    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
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  • 102
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 622-628 
    ISSN: 0947-5117
    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
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  • 103
    Electronic Resource
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 291-293 
    ISSN: 0947-5117
    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
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  • 104
    Electronic Resource
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 294-296 
    ISSN: 0947-5117
    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
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  • 105
    Electronic Resource
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 297-298 
    ISSN: 0947-5117
    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
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  • 106
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 313-313 
    ISSN: 0947-5117
    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
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  • 107
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 314-314 
    ISSN: 0947-5117
    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
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  • 108
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 314-315 
    ISSN: 0947-5117
    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
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  • 109
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 324-329 
    ISSN: 0947-5117
    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: Polyvinylchloride Plastik PipesPipes of polyvinylchloride (Supradur) are gaining increasing application in contructions for transport of aggressive liquids and gases because of their good properties especially owing to their resistance to corrosion. So this paper presents a general and up to date survey of the commercial types and their dimensions and of the physical and corrosion chemical behavior as well as the methods of installation and fitting of polyvinylchloride pipes.
    Notes: Rohre aus Polyvinylchlorid (Supradur) finden infolge ihrer guten allgemeinen und spezifischen Eigenschaften, insbesondere ihres ausgezeichneten Korrosionschemischen Verhaltens, zunehmende Verwendung in Anlagen zur Förderung aggressiver Flüssigkeiten und Gase. Im Hinblick darauf gibt der vorliegende Fortschrittsbericht einen zusammenfassenden und zeitgemäßen Überblick über Lieferarten und Dimensionierung, über das physikalische und korrosionschemische Verhalten sowie über die Verlegung und Verbindung von Polyvinylchlorid-Plastikrohren.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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  • 110
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 349-352 
    ISSN: 0947-5117
    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
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  • 111
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 385-389 
    ISSN: 0947-5117
    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: Graphical representation of the theory of local cellsThe article is concerned with a graphical representation of the theory of local cells by means of the experimentally realized relation \documentclass{article}\pagestyle{empty}\begin{document}$$ e_1 - e_0 = i\frac{{{\rm W}_{\rm a} \cdot {\rm W}_{\rm k}}}{{{\rm W}_{\rm a} + {\rm W}_{\rm k}}} $$\end{document} respectively by a corresponding relation regarding the influences of alterations of polarization. e1 is the total voltage of the electrode bearing the local cell. The voltages of the local cell are cA and cK and its current is i. eo is the total voltage of the electrode at i = 0. Wa and Wk are the coefficients of resistance of the anodic and cathodic locations. Fig. 1. The diagram containing all the partial terms necessary to describe the properties of local cells results from the numerical relations between the constant terms c and W. Fig. 2. The author shows that you will be unable to construct the diagram on basis of the relation above mentioned only. In special cases only some of the partial terms mentioned are available. For the terms c and W depending on current density the diagram is given by curves resulting from a great number of experimental data.
    Notes: Der vorliegende Artikel verfolgt die graphische Darstellung der Konzeption von Lokalelementen auf Grund der experimentell zugänglichen Beziehung \documentclass{article}\pagestyle{empty}\begin{document}$$ e_1 - e_0 = i\frac{{{\rm W}_{\rm a} \cdot {\rm W}_{\rm k}}}{{{\rm W}_{\rm a} + {\rm W}_{\rm k}}} $$\end{document} bzw. einer entsprechenden Beziehung, in welcher Rücksicht genommen wurde auf die Polarisationsänderungen der Potentiale und Widerstände. ei ist das Gesamtpotential der Elektrode mit dem Lokalelement, dessen Potentiale εa und εk sind, bei einem Stromdurchgang i, eo ist das Gesamtpotential derselben Elektrode bei i = 0. Wa bzw. Wk sind die Widerstands-werte an der anodischen bzw. kathodischen Stelle (s. Abb. 1). Aus den rechnerischen Beziehungen, die für konstante Werte ε und W gelten, folgt das Diagramm, in welchem man alle Teilgrößen, die in der Konzeption der Lokalelemente vorkommen, wiederfinden kann (s. Abb. 2). Es wird darauf aufmerksam gemacht, daß die obenerwähnte Beziehung nicht zur Konstruktion dieses Diagramms genügt. Man muß jedoch zu diesem Diagramm kommen, wenn man für denselben Zweck in Sonderfällen einige der erwähnten Teilgrößen kennt. Bei den Größen ε und W, die stromabhängig sind, ist das entsprechende Diagramm durch Kurven gegeben, zu denen man eine gehörige Zahl Versuchsangaben kennen muß.
    Additional Material: 2 Ill.
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  • 112
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 410-414 
    ISSN: 0947-5117
    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
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  • 113
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 430-430 
    ISSN: 0947-5117
    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
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  • 114
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 444-444 
    ISSN: 0947-5117
    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
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  • 115
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 444-444 
    ISSN: 0947-5117
    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
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  • 116
    ISSN: 0947-5117
    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
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  • 117
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. XVI 
    ISSN: 0947-5117
    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
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  • 118
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 574-579 
    ISSN: 0947-5117
    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: On the Influence of Trace Elements on the Non Scaling Properties of High Temperature Resistent AlloysThe alloys which are employed at heat transport materials are noted out by more or less high contents of trace elements of which calcium and cerium are the most important ones. These additives cause a considerable improvement of the resistance to oxidation. The results of high temperature oxidation experiments of allosy with and without those quality improving additives are reported. The author shows that the effectivity of those elements is caused by an increased adhesiveness of the oxide layer which is formed during the high temperature glowing.The results of x-ray-photographic and spermicroscopic investigations on the problem of the formation of the oxide layers on ion-chrome-aluminium-alloys are published.
    Notes: Metallegierungen, die als Heizleiterwerkstoffe Verwendung finden, zeichnen sich durch einen mehr oder weniger hohen Gehalt an gewissen Spurenelementen aus, unter denen Calcium und Cer die bedeutendste Rolle spielen. Diese Zusätze bedingen eine erhebliche Verbesserung der Oxydationsbeständigkeit der Heizleiterlegierungen. Es wird über experimentelle Ergebnisse der Hochtemperatuorxydation solcher Legierungen mit und ohne qualitätserhöhende Zusätze berichtet und nachgweisen, daß der Effekt jener Elemente in der Verbesserung der Haftfestigkeit der sich während der Hochtemperaturglühung ausbildenden Oxydschicht zu suchen ist.Zur Frage der Oxydausbildung auf Eisen-Chrom-Aluminium-Legierungen werden röntgenographische und elektronenmikroskopische Ergebnisse mitgeteilt.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 119
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 596-602 
    ISSN: 0947-5117
    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 Methods of Iron Protection in SoilsThe conditions of formation of the active and passiv behavior of iron are given. The structure of the soil resp. the alteration of the capillar and noncapillar porosity play a decisive role. Then the factors like solid water, soil air, soil resistance and acidity which influence the corrosion processes in soils are discussed. The ratio soil water to soil air was found to be characterizing the corrosion of iron in soils. Every soil has a specific aggressivity which is determined by the water capacity of the soil.The authors gives further advices how to decrease the corrosion of iron in soils with and without cathodic protection, by addition of inhibitors and by preparing artificial airation cells.
    Notes: In der vorliegenden Arbeit werden zuerst die Bedingungen für das Zustandekommen eines aktiven bzw. passiven Verhaltens des Eisens gegeben, wobei Bodenstruktur bzw. Änderungen der kapillaren und nichtkapillaren Porosität des Bodens eine entscheidende Rolle spielen. Anschließend werden die die im Boden ablaufenden Korrosionsprozesse beeinflussenden Faktoren diskutiert, and zwar Bodenwasser, Bodenluft, Bodenwiderstand und Wasserstoffionen-Konzentration. Dabei wurde das Verhältnis, „Bodenwasser zu zu Bodenluft“ als maßgebender, die Eisenkorrison im Erdboden regulierender Faktor, gefunden. Jeder Boden besitzt eine spezifisches Aggressivität, die durch das Annahmevermögen des Bodens an Wasser bestimmt ist.In der Arbeit werden weiter Ratschläge für der Verminderung der Eisenkorrosion im Erdreich ohne und mit kathodischem Korrosionsschutz, durch Zusatz chemischer Hemmstoffe und durch Erzeugung eines künstlichen Belüftungselementes gegeben.
    Additional Material: 4 Ill.
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  • 120
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 603-606 
    ISSN: 0947-5117
    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: Rubber for Protection against CorrosionA survey of the mechanic and chemical properties of protective materials, especially rubber vulcanizates, is followed by a description of the working and testing methods which explains the special requirements of DIN 28051 and 28055 to operating and designing engineers.Furthermore the properties of rubber plated pipes are compared with those of massive plastic pipes. Before the chemical behavior of protective rubber coverings is discussed in general the behavior of protective paints is treated. The applicability of synthetic elastomers could not be discussed in detail. As mentioned in the first part of the artidle they may not be judged on their chemical behavior only. Then the latest development of those plastic materials is commented which will show better resistance to oxidizing agents. They are interesting products of the oldest hard rubber manufactury which has been producing plastics for mroe than 50 years and which together with a French manufactory has been leading in development and introduction of hard an soft rubber coating since 1885.
    Notes: Nach einem Überblick über die mechanischen und chemischen Voraussetzungen von Korrosionsschutzmaterialien, insbesondere Kautschukvulkanisaten, werden Arbeits- und Prüfverfahren geschildert, die dem Betriebsmann und Konstrukteur von Apparatebauteilen die besonderen Anforderungen der DIN 28051 und 28055 erläutern.Ferner werden die Eigenschaften gummiplattierter Rohrleitungen denen von Massivrohrleitungen auf Kunststoffbasis gegenübergestellt. Bevor auf das allgemeine chemische erhalten von Schutzgummierungen eingegangen wird, wird das Verhalten von Anstrichen als Korrosionsschutz behandelt. Ohne im Detail auf die Einsatzmöglichkeiten synthetischer Elastomere, die, wie im ersten Tel des Aufsatzes hervorgehoben wird, keineswegs lediglich aus deren chemischen Verhalten beurteilt werden dürfen, einzugehen, werden kurz neuere Entwicklungen von Kunststoffen gestreift, die geeignet zu sein scheinen, die bestehende Lücke gegen stark oxydierende Medien zu schließen. Es sind besonders interessante Erzeugnisse des ältesten europäischen Hartgummi-Werkes, das seit über fünf Jahrzehnten auch andere Kunststoffe herstellt und das neben einer französischen Firma maßgeblich an der Einführung und Entwicklung der Hart- und Weichgummierungen seit 1885 beteiligt ist.
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  • 121
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 634-640 
    ISSN: 0947-5117
    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
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  • 122
    ISSN: 0947-5117
    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
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  • 123
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 649-649 
    ISSN: 0947-5117
    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
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  • 124
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 656-656 
    ISSN: 0947-5117
    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
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  • 125
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 651-656 
    ISSN: 0947-5117
    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.
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  • 126
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 669-673 
    ISSN: 0947-5117
    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: Investigations on the Influence of Oxygen upon Iron SurfacesThe behavior of solid and pyrophorus iron surfaces upon commercial and purified nitrogen and their tendencies to oxidation was investigated. Stroing both the materials in pure nitrogen the gas does not influence the tendency to oxidation as demonstrated by special glowing experiments. The decrease of pyrophority of iron powder being stored in commercial nitrogen is explained by the presens of traces of oxygen in the protective gas which cause a slow but undisturbed formation of an oxide layer.
    Notes: Hinsichtlich ihres Verhaltens gegenüber technischen und gereinigten Stickstoff und ihrer anschließenden Oxydationsneigung untersucht wurden kompakte eisenoberflächen und pyrophore Eisenpulver. Spezial-Glühversuche ergaben, daß bei der Lagerung beider Werkstoffe in Reinst-Stickstoff dieser selbst keinen Einfluß auf die Oxydationsneigung des Eisens ausübst. Die Verhinderung der Pyrophorität von Eisenpulver durch Lagerung in technischem Stickstoff wird auf eine langsam, feinbaulich geregelt aufwachsende Oxydschicht durch im Stickstoff vorhandene Sauerstoffspuren zurückgeführt.
    Additional Material: 6 Ill.
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  • 127
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 695-696 
    ISSN: 0947-5117
    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
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  • 128
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 717-717 
    ISSN: 0947-5117
    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
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  • 129
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 725-726 
    ISSN: 0947-5117
    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
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  • 130
    ISSN: 0947-5117
    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
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  • 131
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 566-568 
    ISSN: 0947-5117
    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
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  • 132
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 793-794 
    ISSN: 0947-5117
    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
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  • 133
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 794-794 
    ISSN: 0947-5117
    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
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  • 134
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 795-795 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 32-33 
    ISSN: 0947-5117
    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
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  • 136
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 49-49 
    ISSN: 0947-5117
    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
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  • 137
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 59-59 
    ISSN: 0947-5117
    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
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  • 138
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 67-69 
    ISSN: 0947-5117
    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: Indications on how to treat and how to use platinium crucibles and traysThe durability of laboratory instruments like crucibles, trays, tongs etc. made of platinium could be prolonged by proper and suitable treating. To avoid high temperatures, greasy storage places and the effect of smoking flames and reducing atmospheres will be as useful as to take precautions in the mechanical removal of melting remainders, Numerous experiments could be carried out in platinium vessels without any danger for the material if you know and regard its pecularities.
    Notes: Die Lebensdauer von Laborgeräten wie Tiegeln, Schalen, Zangen usw. aus Platin kann durch sachgemäße Behandlung wesentlich verlängert werden. Vermeidung hoher Temperaturen, verschmutzter Abstellflächen und des Einflusses rauchender Flammen und reduzierender Atmosphären sind ebenso nützlich wie Vorsicht bei der mechanischen Entfernung von Schmelzrückständen. Zahlreiche Reaktionen lassen sich in Platingefäßen ohne Gefahr für den Werkstoff ausführen, wenn man dessen Eigenarten kennt und ihnen in geeigneter Weise Rechnung trägt.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 30-31 
    ISSN: 0947-5117
    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
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  • 140
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    Keywords: Chemistry ; Polymer and Materials Science
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  • 141
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 123-124 
    ISSN: 0947-5117
    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
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  • 142
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 133-138 
    ISSN: 0947-5117
    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 corrosion of soft steel in alkali mono- und alkali hydrogen fluorides I. The influence of the concentration of the solution upon the corrosion of soft steelThe influece of the concentration of alkali mono  -  and alkali hydrogen fluoride solutions upon the corrosion of soft steel has been investigated. In all solutions a corrosive attack is taking place. It depends on the concentration of the soultion. The corrosion velocity  -  concentration diagramm shows a characteristic tershold value which is followed by an approximation to a minimum. In KF- and KF·HF solutions corrosion resistant covers are formed finally while in (NH4)F HF solutions even at relatively high concentrations a corrosive attack was recorded.
    Notes: Untersucht wurde der Einfluß der Konzentration von Alkalimono- und Alkalihydrogenfluorid-Lösungen auf die Korrosion von Weichstahl. In allen Lösungen kommt es zu einem konzentrationsabhängigen Angriff. Die Korrosionsgeschwindigkeit-Konzentrationskurve weist einen charakteristischen Schwellenwert auf, nach dessen Überschreiten strebt die Korrosionsgeschwindigkeit- Konzentrationskurve einem Minimum zu. In KF- und in KF · HF-Lösungen kommt es schließlich zur Ausbildung korrosionsschützender Deckschichten, während in (NH4)F · HF-Lösungen selbst bei verhältnismäßig hohen Konzentrationen noch ein gewisser Angriff zu verzeichnen ist.
    Additional Material: 7 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 158-163 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 171-177 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 177-178 
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    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 184-184 
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    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
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  • 147
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 216-233 
    ISSN: 0947-5117
    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: On the behavior of materials upon hydrogen fluoride and hydrofluoric acidNumerous papers, published within the previous five years, and industrial experience allow to draw a picture of our knowledge of the behavior of materials upon hydrogen fluoride and hydrofluoric acid. Not alloyed steels, nickel, coper, silver and lead are resistent to hydrofluoric acids of moderate concentrations. Ingot steel is resistent even to acids of more than 65 pct. Aluminum and titanium are deteriorated by hydrofluoric acids of all concentrations though they are more or less resistent to dry hydrogen fluoride just like the metals, first mentioned, except lead. Except of the silica cements all acid proof cements and especially the plastic cements with carbon filling could be used in hydrofluoric acid engineering. Natural and synthetic rubber are materials qualified to build hydrofluoric acid containers of. Plastics like pvc, polythylene, polyfluorethylene and some more are qualified to be used in presence of hydrofluoric acid of less than 50 pct. at moderate temperatures.
    Notes: Aus den zahlreichen Veröffentlichungen der letzten 5 Jahre und praktischen Betriebserfahrungen ergibt sich ein Bild unseres heutigen Wissens über das Verhalten der Werkstoffe gegenüber wäßriger Flußsäure und wasserfreiem Fluorwasserstoff. Unlegierte Stäble, Nickel, Kupfer, Silber und Blei sind gegen mäßig konzentrierte Säure beständig; Flußstahl auch gegen solche von 〈 65%. Aluminium und Titan werden von flußsäure aller Konzentrationen zerstört, sind jedoch gegenüber wasserfreiem Fluorwasserstoff  -  ebenso wie die zuerstgenannten Metalle mit Ausnahme von Blei  -  mehr oder weniger resistent. Säurefeste Kitte und Zemente sind  -  für die Anwendung gegenüber Flußsäure geeignet, besonders die Kunststoff-Kitte mit Kohlenstoff-Füllung. Natur- und Synthesekautschuk dienen als Werkstoff für Lager- und Transportbehälter. Von den Kunststoffen eignen sich PVC, Polyäthylen, Polyfluoräthylene und einige andere für die Handhabung 〉 50%iger Flußsäure bei mäßigen Temperaturen.
    Additional Material: 21 Tab.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 51-51 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. I 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 61-66 
    ISSN: 0947-5117
    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: On the anodic behavior of brass in copper and zinc cyanide solutions IIThe processes of the anodic dissolution and passivation of brass in copper and zinc cyanide solutions were investigated by means of the Mueller Machu method, measurements of potential and gravimetric analyses. The solubility of the anodes is conditioned mainly by the bulkconcentration of the electrolyte, the content of free NaCN and the current density. Zinc and copper dissolve independently. Zinc is the first to dissolve. Zinc cyanide has the same effect upon the solubility as free NaCN. By alteration of the experimental conditions it has been possible fo force a brass anode to behave one time like a zinc anode and the other time like a copper anode. The solubility of zinc in brass is decreased by increasing copper concentrations of the electrolyte. The solubility of the brass anode does not increase according to a linear but to an exponential law. Measurements of potential show that the voltage of brass electrodes is sensitive to concentration polarizations by zinc ions.
    Notes: Die Vorgänge bei der anodischen Auflösung und Passivierung von Messing wurden in Cu- und Zn-Cyanidlösungen mit Hilfe der Untersuchungsmethoden von Müller-Machu, Potentialmessungen und gravimetrisch-analytisch untersucht. Die Löslichkeit der Anoden wird vornehmlich durch die Gesamtkonzentration des Elektrolyten, den Gehalt an freiem NaCN und die Stromdichte bestimmt. Zink und Kupfer lösen sich praktisch unabhängig voneinander auf, wobei zuerst das Zink in Lösung geht. Zink-cyanid wirkt ähnlich auf die Löslichkeit wie freies NaCN. Durch Änderung der Versuchsbedingungen ist es möglich, daß sich eine Messinganode einmal wie eine Zink-, das anderemal wie eine Kupferanode verhält. Die Löslichkeit des Zinks im Messing wird durch Erhöhung des Kupfergehaltes des Bades herabgesetzt. Die Löslichkeit der Messinganode steigt nicht linear, sondern exponentiell mit der Konzentration der Badbestandteile an. Potentialmessungen zeigen, daß die Messingelektroden auf eine Konzentrationspolarisation durch Zinkionen ansprechen.
    Additional Material: 13 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 86-91 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 378-379 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 383-384 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 166-169 
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    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 177-177 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 178-181 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. V 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 185-216 
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    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: Theory and engineering of flame cleaningThe success of flame cleaning depends on precise observing of certain directions. The article contains a survey of the influence of the flame temperature upon the properties of structural steels and the influences of several fuel gases upon the effectivity of the method. The results of a number of experiments carried out to find the most favorable working conditions, are in good agreement with the values of shop experience in nearly all cases. So it is possible to publish definitive directions.A detailed description of the technical application of this method will not leave any doubt about the proper handling of the apparatus and the most useful installation of the working place.The difference between the properties of the surfaces of steels after usual and flame cleaning treatment show the superiority of the new method. The effectivity and industrial efficiency of flame cleaning, under regard of the latest development in mill cinder removing on sheet metals, is demonstrated by a number of examples.Finally a method in development for additional passivation of cleaned steel surfaces is mentioned, which is still in state of development.
    Notes: Bei der Anwendung des Flammstrahlens ist die Einhaltung bestimmter Verfahrensregeln besonders zu beachten. Es wird daher ein Überblick gegeben über den Einfluß der Flammentemperatur auf die Eigenschaften von Baustählen und über den Einfluß verschiedener Brenngase auf die Wirksamkeit des Verfahrens. Weiterhin stimmen die Ergebnisse einer Anzahl von Untersuchungen zur Ermittlung der günstigsten Flammstrahlbedingungen mit den in der Praxis gefundenen Werten in fast allen Fällen überein. Infolgedessen ist es nun möglich, endgültige Verfahrensregeln mitzuteilen.Eine ausführliche Beschreibung der praktischen Durchführung des Verfahrens soll jeden Zweifel an der richtigen Handhabung der Geräte und der zweckmäßigen Einrichtung der Arbeitsstelle ausschließen.Die Einwirkungen verschiedener bisher üblicher Säuberungsmethoden und des Flammstrahlens auf die Beschaffenheit der behandelten Stahloberflächen lassen neben anderen Vorzügen die Überlegenheit des Verfahrens erkennen. Die Wirksamkeit und Wirtschaftlichkeit des Flammstrahlens wird durch eine Anzahl Beispiele dargestellt, wobei die neuesten Erkenntnisse über das Beseitigen der Walzhaut an Blechen ihrer Bedeutung entsprechend einen breiten Raum einnehmen.Abschließend ist auf eine noch in der Entwicklung befindliche Methode der zusätzlichen Passivierung von gesäuberten Stahloberflächen hingewiesen.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 177-177 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 177-177 
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 233-234 
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 235-236 
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 241-241 
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 631-634 
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 314-314 
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 320-320 
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 321-324 
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    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 Surface Rule of Corrosion and the Effekt of Inhibitors in the Electrochemical CorrosionThe surface rule of corrosion was formulated clearly first in 1924. Ever since, especially engineers have made use of it to estimate the extent of corrosion. To be sure, the rule is not of universal validity. It is valid under certain conditions only. These conditions can be derived from the fundamental rules of the corrosion processes mathematically so that you will obtain a general law of which the classical surface rule is a special case. For anodically and cathodically controlled corrosion processes the surface rule is valid exactly at certain ratios of the cathodic to the anodic areas and sometimes approximately at different ratios. For preponderantly cathodically or anodically controlled processes the classical rule is invalid.Assuming a simplified mechanism of certain inhibitors you can derive the effects of adding inhibitors from the general surface law mathematically. The obtained results agree with shop experience.
    Notes: Die Flächenregel der Korrosion ist zuerst im Jahr 1924 eindeutig formuliert worden und wird seitdem vor allem von Praktikern gern zur Abschätzung von Korrosionswirkungen benutzt. Sie hat allerdings keine Allgemeingültigkeit, sondern gilt unter ganz bestimmten Voraussetzungen. Diese Voraussetzungen lassen sich aus den Grundgesetzen der Korrosionsprozesse auf mathematischem Wege ableiten. Man gelangt dabei zu einem allgemeinen Gesetz, das die klassische Flächenregel als Sonderfall beinhaltet. Bei gemischter Kontrolle des Korrosionsprozesses gilt die Flächenregel bei bestimmten Verhältnissen von Kathoden zu Anodenfläche exakt, bei anderen Verhältnissen zum Teil näherungsweise. Bei Korrosionsprozessen mit überwiegend kathodischer oder anodischer Kontrolle gilt die klassische Flächenregel in keinem Falle.Mit einigen stark vereinfachten Annahmen über die Wirkungsweise bestimmter Inhibitoren kann man aus der verallgemeinerten Flächenregel die Auswirkungen eines Inhibitorzusatzes ebenfalls mathematisch ableiten. Man gelangt dabei zu Aussagen, die mit praktischen Befunden ausreichend übereinstimmen.
    Additional Material: 3 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 353-356 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 367-368 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 380-383 
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    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 718-724 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 176
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 445-445 
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    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 445-445 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 569-573 
    ISSN: 0947-5117
    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: Some Stress Corrosion Testing Methods for Brass Ware Compared with a Long-Term-Storage TestAs the reliability of the mercury nitrate test as a control method for inner tensions of brass ware has been criticized a comparative investigation of the mercury nitrate  -  and two different ammonia tests and a long term storage test has been carried out. Cartridge cases of Ms 72 with missiles pressed in were used as specimens. Both the ammonia tests (24 h immersion into an aqueous solution of 1 pct. of free ammonia (1,7 g/l Cu) resp. a 7 days storage in a 0,2 pct. ammonia atmosphere) are slightly more intensive than the 15 min. test in a 1 pct. mercury nitrate solution. The three methods mentioned above are much more intensive than the two years storage test in free atmosphere under rain shelters.
    Notes: Da die Quecksilbernitratprobe hinsichtlich ihrer Zuverlässigkeit als Kontrolle für innere Spannungen in Messingteilen kritisiert worden ist, wurde eine vergleichende Prüfung zwischen Quecksilbernitratprobe, 2 verschiedenen Ammoniakproben und einer Langzeitlagerung durchgeführt. Als Prüflinge wurden Patronenhülsen aus Ms 72 mit eingepreßtem Geschoß verwendet. Die beiden Ammoniakprüfungen, 24 h Eintauchen in eine Wasserlösung mit 1% freiem NH3 (1,7 g Cu/l) bzw. 7 Tage in 0,2% NH3-Atmosphäre, sind etwas schärfer als die 15 min-Prüfung mit 1%iger NO3-Lösung. Sämtliche 3 Prüflinge sind jedoch wesentlich schärfer als eine etwa 2jährige regengeschützte Lagerung in der freien Atmosphäre.
    Additional Material: 6 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 558-558 
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    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 559-559 
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    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 560-560 
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    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 696-698 
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    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 709-715 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 727-728 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 729-731 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957) 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 738-742 
    ISSN: 0947-5117
    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 inhibitive action of sodium benzoate on the atmospheric corrosion of mild steelThe paper presents an experimental study of the inhibitive action of sodium benzoate on the atmospheric corrosion of mild steel. An aqueous solution contatining as little as 1% of sodium benzoate offords complete protection in alternate immerison tests, as has been ascertained by determining the changes of weight of specimens and by electrochemical measurements. A suspension of sodium benzoate in machine oil has a much more pronounced inhibitive effect than the oil alone, all other factors being equal. Highly polished steel surfaces, on immersion in a 1% solution of sodium benzoate and drying in air, resist the action of solutions reproducing the composition of perspiration. Wrapping into paper impregnated with a 1% solution of sodium benzoate affords a satisfactory protection unless the impregnation be leached by rain.
    Notes: Der Einfluß von Natriumbenzoat auf die atmosphärische Korrosion von ungetempertem Stahl wurde untersucht. In Wechseltauchversuchen mit einer nur 1%igen Natriumbenzoealösung wurde vollständige Korrosionsfestigkeit sowohl durch Bestimmung der Gewichtsveränderung als auch durch elektrochemische Messungen festgestellt. Unter sonst gleichen Bedingungen zeigt eine Suspension von Natriumbenzoeat in Maschinenöl eine bedeutend stärkere Korrosionsschutzwirkung als das reine Öl. Hochpolierte Stahlflächen, die man nach eintauchen eine 1%ige Natriumbenzoeatlösung an der Luft trocknen ließ, sind gegen Schwitzwasserkorrosion unempfindlich. Packpapier, das mit 1%iger Natrium-benzoeatlösung imprägniert ist, garantiert ausreichenden Schutz, solange das Salz nicht z. B. durch Regen ausgewaschen wird.
    Additional Material: 15 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 503-519 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 27-29 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 6-17 
    ISSN: 0947-5117
    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: Current density, Potentials and Loss of Metal in Galvanic Cells with the e-Acceptors H3O+ and O2Current densities, potentials and corrosions of galvanic cells with constant reference electrodes were measured in dependance of pH-values. The influence of e-acceptors H+ and O2 in the anode- and cathode-electrolytes upon the electrochemical datas above mentioned could be found out.The result is, that the electrochemical values as the activity of local elements, current density and potential must be generally determined to allow an estimation on the corrosions to be expected. In special cases the knowledge of current xdensities or potentials is sufficient. The influence of inhibitors upon the electron transitions to the e-acceptors was investigated. The inhibitors were classified in dependance of their anodic and cathodic activity. All positive inhibitors are causing a decrease of the activity of local elements (on anodes, cathodes and single electrodes). An approximated amount of the transition resistance in te two phase boundary of a certain element could be given.
    Notes: Durch Untersuchungen an Elementen mit jeweils einer konstanten Gegenelektrode wurden die Stromdichten, Potentiale und Korrosionen in Abhängigkeit vom pH-Wert gemessen. Der Einfluß der e-Nehmer H+ und O2 in Anoden- und Kathodenelektrolyten auf die obigen elektrochemischen Größen konnte bestimmt werden. Es ergab sich, daß im allgemeinen die elektrochemischen Größen Unterlokalelementtätigkeit, Stromdichte und Potential bekannt sein müssen, um eine Voraussage über die zu erwartenden Korrosionen machen zu können. In Sonderfällen genügen Stromdichten oder Potentiale. Der Einfluß der Wirkstoffe (Inhibitoren) auf den e-Übergang zu den e-Nehmern wurde untersucht und eine Einteilung der Wirkstoffe in Hinblick auf ihre anodische und kathodische Wirksamkeit gegeben. Gemeinsam ist allen positiven Wirkstoffen die Erniedrigung der Unterlokalelementtätigkeit (an Anoden, Kathoden und Einzelelektroden). Für den Übergangswiderstand in den Zweiphasengrenzen eines bestimmten Elementes konnte ein ungefährer Wert angegeben werden.
    Additional Material: 15 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 34-35 
    ISSN: 0947-5117
    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 43-46 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 51-51 
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    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
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    Materials and Corrosion/Werkstoffe und Korrosion 8 (1957), S. 53-58 
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    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
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