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  • 1955-1959  (1,154)
  • 1915-1919
  • 1958  (1,154)
  • Polymer and Materials Science  (870)
  • Life and Medical Sciences  (284)
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  • 1955-1959  (1,154)
  • 1915-1919
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  • 101
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 273-277 
    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: High Temperature Corrosion by Hydrogen Sulfide from Experiences in Petroleum RefiningBeing introduced 5-7 years ago the catalytic transforming and desulfuration methods of the oil industry produce new corrosion problems by the attack of hydrogen sulfide at high temperatures. The attack causes losses of metal and formation of voluminious crusts which block the passages and disturbe the transfer of heat. The type of crusts depends on the sort of steel used. The temperature and the concentration of the hydrogen sulfide (partial pressure) condition the degree of the sulfide corrosion for most part. Because the hydrogen phase, which contains much hydrogen sulfide, is circulating the concentration of the hydrogen sulfide in the reactor and the additional equipment is much higher than that of the hydrocarbon input. The limiting value of the hydrogen sulfide concentration below which the degree of corrosion is zero was found to be in the range of 0,006-0,008 mol pct. Increase of temperature causes rising corrosion. The concentration of hydrogen is of little influenze.  -  To avoid this corrosion you will have to desulfurize the input material (which is very expensive) or the circulating gas phase or to use hydrogen sulfide resisting metals. Highpercent chrome nickel alloys proved to be good except at high temperatures. For practical use 18/8 chrome nickel steel guarantees suficient resistance. Aluminum showing exceptionally good properties may not be used in pressure vessels. But it may be applied for coatings on low alloyed chrome steels by hot galvanization or calorization or by spraying which is but an insufficient method. Because low alloyed chrome and carbon steels are applied at critical spots for economical reasons the formation of crusts is unavoidable. They will be removed by chemical agents e. g. hydrogen chloride. Because of poisonous gases  -  hydrogen sulfide and sulfur dioxide  -  special precautions have to be taken.
    Notes: Durch die in den letzten 5 bis 7 Jahren bei der Erdölraffinierung neu eingeführten katalytischen Umformungs- und Entschwefelungsverfahren ist ein neues Korrosionsproblem durch Angriff des Schwefelwasserstoffs bei hohen Temperaturen entstanden. Dieser führt zu Metallverlust und zur Bildung voluminöser Schalen, welche die Durchgänge verstopfen und durch Belegen der Oberflächen Störungen des Wärmeüberganges verursachen. Die Art dieser Schalen ist verschieden je nach Art des zur Ausrüstung verwendeten Stahles. Temperatur und Schwefelwasserstoffkonzentration (Partialdruck) üben auf den Grad der Sulfid-Korrosion den größten Einfluß aus. Da bei den genannten neuen Verfahren die wasserstoffreiche Gasphase mit hohem Schwefelwasserstoffgehalt in den Prozeß zurückgeschickt wird, ist die Schwefelwasserstoffkonzentration im Reaktor und den Zuführungsapparaten größer als dem Schwegelgehalt der Kohlenwasserstoffspeisung entspricht. Ein Grenzwert der Schwefelwasserstoffkonzentration, unterhalb welchem der Korrosionsgrad praktisch null ist, wurde als im Bereich von 0,0006 bis 0,0008 mol-% liegend ermittelt. Die Erhöhung der Temperatur steigert den Korrosionsgrad wesentlich, die Wasserstoffkonzentration dagegen hat hierauf wenig Einfluß.  -  Ein Mittel, die Korrosion zu vermeiden, ist die Entschwefelung des Eintragsgutes bzw. der rückgeführten Gase, wobei das erstere sehr kostspielig ist, oder die Verwendung von gegen Schwefel widerstandsfähigen Metallen. Hierbei zeigen hochprozentige Cr—Ni-Legierungen gute Resultate außer bei hohen Temperaturen und für den praktischen Gebrauch ist 18/8 Cr—Ni-Stahl zufrkiedenstellend. Aluminium weist ausgezeichneten Widerstand auf, ist aber für Druckgefäße nicht verwendbar. Es kann jedoch mit gutem Resultat als Überzug auf niedrig legierten Chromstahl verwandt werden und wird durch Sprtzen, Heißtauchen oder Kalorisieren aufgebracht, wobei Spritzen die am wenigsten zufriedenstellende Methode ist. Da trotzdem aus wirtschaflichen Gründen niedrig legierte Chromstähle und Kohlenstoffstähle an kritischen Stellen Verwendung finden müssen, ist die Bildung von Schalen, unvermeidlich; ihre Entfernung geschieht am besten durch chemische Mittel z.B. Salzsäure unter entsprechender Vorsichtsmaßregeln gegen die entstechenden stark giftigen Gase: Schwefelwasserstoff und Schwefeldioxyd.
    Type of Medium: Electronic Resource
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  • 102
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 278-283 
    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 protection at a distance given by Flame Sprayed Metallic Coatings on SteelExperiments are described to determine the degree of protection at a distance given by flame sprayed metallic coatings of zinc, aluminum and MG 5 on steel Flame sprayed metallic coatings were applied leaving gaps of various widths. Some of the coatings were covered almost completely with paraffin. Two corrosion tests were used, one by total immersion in natural seawater from the Baltice sea, the other by intermittent immersion in synthetic seawater according to German Specification DIN 50900. The degree of protection at a distance was judged from the results of tensile tests and by visual observation.No essential differences in the distance effects of the various coatings were observed. Protection at a distance also occured when most of the flame spryaed coating was covered with paraffin. The ratio of the areas of protected and protective metals is the essential factor determining the distance effect. Protection at a distance by flame spayed metallic rings was also observed in corrsion fatigue tests.
    Notes: Beschreibung von Versuchen zur Bestimmung der Fernschutzwirkung flammgespritzter Metallschichten aus Zink, Aluminium und Al Mg 5 auf Stahl. Die aufgespritzte Schicht war dabei absichtlich verschieden weit entfernt und teilweise noch zusätzlich zum größten Teil mit Paraffin abgedeckt. Der Korrosionsangriff erfolgte vorwiegend durch natürliches Ostseewasser im Natur-Dauertauchversuch und im Wechseltauchversuch mit künstlichem Meerwasser nach DIN 50900. Die Beurteilung der Fernschutzwirkung erfolgte durch Zugversuche und visuell.Wesentliche Unterschiede im Fernschutzverhalten der einzelnen untersuchten Metalle wurden nicht beobachtet. Der Fernschutz trat auch bei Abdeckung des größten Teiles der aufgespritzen Schicht mit Paraffin ein. Das Flächenverhältnis zwischen schützendem und geschütztem Metall ist für den Eintritt der Fernschutzwirkung sehr wesentlich. Auch bei Korrosionsermüdungsversuchen wurde der Eintritt der Fernschutzwirkung durch aufgespritzte Metallringe festgestellt.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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  • 103
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 291-301 
    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: Processing Possibilities and Applications of Fluorocarbon PlasticsThis report concerns fluorine chemistry from the beginning and the manufacturing of polytetrafluoroethylene and polychlorotrifluoroethylene. The strategical importance and the combination of properties show that polytetrafluoroethylene is a necessity in many branches of industry, such as the chemical industry, food industry, and nuclear developments. At the beginning it is reported in detail about the manufacturing and processing of raw material. The range of applications of polytetrafluoroethylene and polychlorotrifluoroethylene is described in detail together with examples of applications in use. These descriptions are broken down according to the properties of the material. The chemical resistance is covered, as well as the antisticking properties, mechanical properties, thermal properties, and electrical properties. It is also brought out how important the quality control is in processing. The various methods of quality control are discussed, to enable the technician to judge the differences as far as quality is concerned. In the discussion of polychlorotrifluoroethylene the chemical resistance of linings of Polyflon as void-free protection against corrosion is emphasized.
    Notes: Berichtet wird von den Anfängen der Fluorchemie und der ersten Darstellung von Polytetrafluoräthylen und Polytrifluorchloräthylen. Die strategische Bedeutung und die Kombination von Eigenschaften lassen erkennen, daß besonders Polytetrafluoräthylen ein unentbehrliches Hilfsmittel in vielen Industriezweigen wie chemische Industrie, Elektro-Industrie, Nahrungsmittel-Industrie und nucleare Anwendungstechnik geworden ist. Zu Beginn wird ausführlich über die Darstellung und Verarbeitung der Ausgangsprodukte berichtet. Die anwendungstechnische Seite von Polytetraflouräthylen und Polytrifluorchloräthylen wird bis ins Einzelne mit praktischen Anwendungsbeispielen geschildert und zwar von den Eigenschaften ausgehend. Es wird eingegangen auf die chemische Beständigkeit, die anti-adhäsive Eigenschaft, die mechanische Eigenschaft, die thermische Eigenschaft und die elektrischen Eigenschaften. Es wird angeführt, daß die Qualitätskontrolle ein wesentlicher Bestandteil der Fertigung sein muß. Die einzelnen Methoden der Qualitätskontrolle werden erörtert, um auch dem Werkstoff-Fachmann die Möglichkeit zu geben, Qualitätsunterschiede festzustellen. Bei der Besprechung von Polytrifluorchloräthylen wird besonders die chemikalienbeständige Auskleidung durch Polyflon ® als porendichter Korrosionsschutz angeführt.
    Additional Material: 28 Ill.
    Type of Medium: Electronic Resource
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  • 104
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 304-304 
    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
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 314-316 
    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 9 (1958), S. 304-313 
    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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    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 301-304 
    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 in Protection against Corrosion and Acid Resisting ConstructingThe article shows how to increase the capacity and the security of protective and acid resisting works. New foils, surfacers and especially injection molding compositions are recommended. With regard to further papers the article presents a short survey of the state of developement of coating techniques. The preliminary values of the chemical resistance of the products mentioned are represented in chart form.
    Notes: Es werden Wege aufgezeigt, die eine Steigerung der Leistung und eine Erhöhung der Sicherheit in der Ausführung von Säurebau- und Korrosionsschutzarbeiten erzielen. Dabei werden neue Folien und Spachtelmassen, insbesondere aber Spritzmassen, empfohlen. Es wird in Verbindung mit einigen anderen Veröffentlichungen ein kurzer Überblick über den Stand der Auskleidungstechnik gegeben. Eine Tabelle gibt vorläufigen Einblick in die chemische Beständigkeit der genannten Produkte.
    Additional Material: 4 Ill.
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  • 108
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 317-319 
    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 9 (1958), S. 320-321 
    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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  • 110
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 322-324 
    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 9 (1958), S. 325-326 
    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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  • 112
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 326-327 
    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 9 (1958), S. 327-330 
    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 9 (1958), S. 331-337 
    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 9 (1958), S. 339-339 
    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
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 339-340 
    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
    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
    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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  • 119
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 340-340 
    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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  • 120
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 340-340 
    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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  • 121
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 340-340 
    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
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 341-341 
    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
    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 9 (1958), S. 341-341 
    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 9 (1958), S. 342-350 
    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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  • 126
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 350-354 
    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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  • 127
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 354-356 
    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
    Type of Medium: Electronic Resource
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  • 128
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 356-356 
    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
    Type of Medium: Electronic Resource
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  • 129
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. XII 
    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
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958) 
    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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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 357-359 
    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 Behavior of Magnesium during Inhibition and Activation of its Dissolution represented in a io-pH-DiagrammThe velocity of dissolution of magnesium in acids and alkalis is represented in a corrosion current  -  pH-value diagramm. The conversion of the corrosion current io into the conventional unit g/m2/d was carried out for a magnesium electrode of 25 cm2 geometrical sur/ace.Further subject of investigation was the behavior of magnesium after addition of activators and passivators of the corrosion reaction. We found that KF not only accelerates but also retards the corrosion. These effects depend on the pH,-value of the acid.
    Notes: Die Auflösungsgeschwindigkeit des Magnesiums in Säuren und Alkalien wurde mittels Korrosionsstrom-pH-Diagramm dargestellt. Die Umrechnung des Korrosionsstroms i0 in der üblichen Meßeinheit g/m2. Tg. erfolgte für eine Magnesium-Elektrode von 25 cm2 geometrischer Oberfläche.Ferner war der Gegenstand der Untersuchung das Verhalten des Magnesiums bei Zusatz von Aktivatoren und Passivatoren auf die Korrosionsreaktion. So ergab es sich, daß die Anwesenheit von KF auf die Korrosionsreaktion des Magnesiums abhängig von pH-Wert der Säure hemmend oder fördernd wirken kann.
    Additional Material: 5 Ill.
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  • 132
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 379-383 
    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 Development of the Treatment of Recycle WatersThe methods of the qualitative and quantitative tests are discussed in detail. The experimental results show that considerable improvement of the protection against corrosion can be achieved by adding ferrous cyanides to ployphosphates. Metal ions added to such a mixture cause different effects according to their character and their concentration. The results are represented in chart from.
    Notes: Qualitative und quantitative Untersuchungsmethoden werden ausführlich beschrieben.Aus den mitgeteilten Versuchsergebnissen gebt hervor, daß durch Zusatz von Ferrocyaniden zu Polyphosphaten Verbesserungen in der Korrosionsschutzwirkung erreicht werden. Zu dieser Mischung gegebene Metallionen zeigen je nach Art und Menge wechselnde Auswirkungen, die in Tabellen zusammengestellt sind.
    Additional Material: 7 Ill.
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  • 133
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 360-368 
    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
    Description / Table of Contents: Investigations on the Cathodic Protection of Ship's HullsBecause of the great economic importance of the cathodic protection of hulls an exhausitive survey of the investigations of the institute for seawater corrosion of the Technological University of Gdansk is given. There are measurements of the potentials of different corroded bulls and of a swimming body which was protected by a special paint. Further investigations are dealing with exhaustive corrosion tests on a model of a 10 000 TDW hull and on ballast tanks of tankers. Finally some activity tests of zinc anodes in various arrangements are mentioned.
    Notes: Entsprechend der wirtschaftlichen Bedeutung, die dem Kathodenschutz von Schiffskörpern zukommt, wird ein geschlossener überblick über die von der Anstalt für Meerwasserkorrosion der TH. Gdansk durchgeführten diesbezüglichen Versuche gegeben. Sie umfassen Potentialmessungen an unterschiedlich korrodierten Schiffskörpern, Potentialmessungen an einem durch Spezialanstriche geschützten schwimmenden Schiffskörper, ins Einzelne gehande Kathodenschutz-Untersuchungen an einem festgelegten 10 000 TDW-Schiffskörpermodell und an den Ballasttanks von Tankschiffen sowie Wirksamkeitsprüfungen an Zinkanoden in verschiedener Anordnung.
    Additional Material: 29 Ill.
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  • 134
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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: Comparing Exposure Tests on the Corrosion Resistance of Passivated Galvanic zinc coatingsThe results of three years exposure tests on galvanic zinc coatings passivated by 15 different methods are given. The experiments were carried out under different conditions of climate: industry, urban, country and sea climate.There were big differences between the differently passivated coatings though generally a considerable increase of the corrosion resistance could be observed. The most effectfully passivating methods are named. Further result is that there is no good agreement between exposure and accelerated tests. The results show that the most intensive corrosion takes place in industrial climate and decreases in the order urban sea and country climate. It should be mentioned that fairly no dust will be deposited on some chromate coatings. Some coatings remained glittering for longer times, open, till the basic metal was corroded. A comparison of the resistances to corrosion of the differently passivated zinc coatings is given.
    Notes: Die Ergebnisse dreijähriger Feldversuche von galvanischen Zinküberzügen, die nach fünfzehn verschiedenen Verfahren passiviert worden waren, wurden bekanntgegeben. Die Versuche wurden unter verschiedenen Klimaverhältnissen: Industrie-, Stadt-, Land- und Seeklima, durchgeführt.Es wurde festgestellt, daß zwischen den in verschiedenen Bädern passiovierten Überzügen große Unterschiede bestehen in Bezug auf die Korrosionsbeständigkeit. In den meisten Fällen wurde eine bedeutende Verbesserung der Korrosions-beständigkeit beobachtet. Die Passivierungsbäder, welche die Korrosionsbeständigkeit der Zinküberzüge besonders steigern, wurden angegeben. Allgemein wurde festgestellt, daß nur ein loser Zusammenhang zwischen den Ergebnissen der Feld und Schnellversuche besteht. Die Ergebnisse zeigen, daß bei den passivierten Zinküberzügen die stärkste Korrosion im Industrieklima eintritt und dann in der Reihenfolge Stadt-, See-, und Landklima abnimmt. Man bemerkte auch, daß sich auf einigen Chromatüberzügen kaum Schmutz niederschlägt. Manche der Überzüge behielten ihren Glanz längere Zeit, oft bis zum Auftreten der Korrosion des Grundmetalls. Ein Vergleich der Korrosionsbeständigkeit der in verschiedenen Bädern passivierten Zinküberzügen wurde angegeben.
    Additional Material: 2 Ill.
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  • 135
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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: The Electro Chemical Behavior of Bimetallic Electrodes and the Application of their Overpotential Curves in Corrosion ResearchA two phase electrode with local cells on its anodic and cathodic surfaces is put into an extern circuit. The polarization voltage depends on (a)the situation and size of the local cell surfaces,(b)the anodic and cathodic processes on the local electrodes,(c)the direction and the current density of the extern current and(d)the situation of the tip of the reference electrode in the solution.The facts nzcntioned above are the basis for an investigation of current doisity-voltage curves of electrodes which are corroded by local currents.
    Notes: Eine Zweiphasenelektrode mit Lokal-elementanbildung auf ihren Anoden-und Kathodenflächen wird in einem äußeren Stromkreis eingebaut; die Messung der Polarisationsspannung hängt ab von: (a)Lage und Größe der Lokalelementflächen(b)Anoden- und Kathodenvorgängen auf den Lokalelektroden(c)Richtung und Stärke des außen angelegten Stromes und(d)Lage des Abzapfpunktes der Bezugselektrode in der Lösung.Die Erörterung der Tatsachen bildet die Grundlage zur Untersuchung von Strom. Spannungskurven von Elektroden, die bei Korrosionsvorgängen durch Lokalströme erhalten werden.
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  • 136
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 461-466 
    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 9 (1958), S. 455-460 
    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 9 (1958), S. 443-450 
    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: Corrosion of Steel Pipes in Refinary Equipment by Sulfur Rich Crude OilThe crude oil of Nagylengyel contains five and six membered naphtene rings which are fused partly and heterocyclic compounds with sulfur, nitrogen resp. vanadium. The products of thermal decomposition of the crude oil and the overheated water vapor which is added to lower the partial pressure of the oil vapor attack the iron parts of the refinery severely. According to chemical and x-ray investigations the corrosion processes cause the formation of metal sulfides and sulfates as well as oxides of various degrees of oxidation. The corrosion products show differing structures according to the duration of corrosion. After some months there arc several plain covers of rust. After two years a peculiar structure of several layers appears which looks like finger prints. Under the cover the basic metal seems to be ribbed as by etching.The form of this noteworthy corrosion may be discerned by diffusion effects.
    Notes: Das Rohöl von Nagylengyel enthält Verbindungen, in welchen  -  z. T. kondensierte  -  fünf- oder sechsgliedrige Naphthenringe, außerdem Ringe mit Schwefel-, Stickstoff- bzw. Vanadin-Heteroatomen vorkommen. Bei der Verarbeitung des Rohöles greifen die therm. Zersetzungsprodukte und der  -  zwecks Erniedringung des Partialdruckes der Öldämpfe  -  eingeführte überhitzte Wasserdampf die Eisenteile der Raffinationsanlage stark an. Die Korrosionsvorgänge führen  -  nach den Daten der chem. und röntgenograph. Analyse der Korrosionsprodukte  -  zur Bildung von Metallsulfid und -sulfat-Verbindungen, ferner Metalloxyden verschiedener Oxydationsstufen.Die äußere Form und die mikrosk. Untersuchung zeigt, abhängend von der Zeitdauer der Korrosionswirkung, unterschiedliche Struktur. Bei paar Mon. Einwirkungsdauer sind mehrere glatte Rostschichten zu finden. Nach 2 Jhr. erscheint eine eigenartige „Fingerabdruck“ ähnliche, mehrschichtige Struktur. Unter dem gerippten Überzug scheint auch das Grundmetall durch Einätzung und Rippen unterteilt zu sein.Das Zustandekommen der bemerkenswerten Korrosionsformen kann mit Diffusionseffekten in Zusammenhang gebracht werden.
    Additional Material: 20 Ill.
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  • 139
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 467-470 
    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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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 475-480 
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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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  • 141
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 481-487 
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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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  • 142
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 471-474 
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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 9 (1958), S. 487-487 
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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 9 (1958), S. 487-487 
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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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  • 145
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  • 146
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  • 147
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 488-488 
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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 9 (1958), S. 488-488 
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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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  • 149
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 491-491 
    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 9 (1958), S. 488-491 
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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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  • 151
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 491-492 
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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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  • 152
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. XXI 
    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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  • 153
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958) 
    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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  • 154
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 613-623 
    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 Corrosion of Pressure Pipes and on the Protective MeasuresThe article presents a discussion of the general principles of galvanic cells as they cause many initial corrosion processes. This allows to understand easily the formation of rust on pipes in tunnels.The author gives a short summery of the behavior of different metal parts of a pipeline in a gallery under the influence of percolating water as well as of constant modifications of the conditions of temperature and airation.Furthermore some protective measures are described which were found to be suitable. Finally the properties of a protective coating which consists of several covers of paint, requested to guarrantee durable protection, are discussed.
    Notes: In vorliegendem Beitrag werden einige allgemeine Grundsätze der Bildung galvanischer Elemente betrachtet, da solche Elemente den Ausgangspunkt der Korrosionserscheinung darstellen; dadurch wird auch die Bildung des Rostes auf metallischen Leitungen in unterirdischen Schächten leichter verständlich.Der Verfasser gibt danach eine kurze Zusammenfassung des Verhaltens der verschiedenen metallischen Bestandteile einer in einer Galerie laufenden Leitung unter dem Einfluß von Sickerwasser sowie ständigem Wechsel der Temperatur und der Belüftung.Außerdem werden die Schutzmaßnahmen beschrieben, die zur Bekämpfung der schädlichen Einflüsse einer feuchtigkeitsgesättigten Atmosphäre erprobt wurden. Abschließend werden die wesentlichen Eigenschaften behandelt, die ein aus mehreren Anstrichschichten bestehender Überzug besitzen muß, um dauerhaften Schutz zu gewähren.
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  • 155
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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: On the Importance of the Physical Properties of the Soil in Regard to the Mechanisms of the Reactions of Iron in SoilsAmong various factors controlling the velocity of the corrosion of iron in soils, as there are the soil water, the soil air, the pH-value and the electric resistance of the soil, the adhesive power of the soil to water is the most important one. The active and Passive states of iron in soil can be discerned from the theories of soil physicsBy means of model tests with glass balls of different sizes all kinds of contact corrosion can be explained. In a system unsaturated with water pitting might take place. A more uniform and weaker erosion is noticed in saturated soils.Basing on these results the experimental results of the American Bureau of Standards on the velocity of the corrosion of iron in 47 soils in the USA are represented as dependant of the average annual amount of rain.
    Notes: Unter den verschiedenen Faktoren, welche die Korrosionsgeschwindigkeit des Eisens im Erdreich regulieren, wie z. B. Bodenwasser, Bodenluft, Wasserstoffionen-Konzentration und Erdbodenwiderstand, ist das Haflvermögen des Bodens an Wasser der wichtigste Faktor. Das aktive und passive Verhalten des Eisens im Erdreich kann mit den Grundlagen der Bodenphysik erklärt werden.An Hand von Modellversuchen mit Glaskugeln verschiedener Größe werden die möglichen Arten der Kontaktkorrosion erklärt, in einem an Wasser ungesättigten System kommt es zu Lochfraß, und in einem an Wasser gesättigten Boden wird Eisen weniger und gleichmäßiger abgetragen.Auf Grund dieser Ergebnisse wurde versucht, die in der Natur erhaltenen Versuchsergebnisse des amerikanischen Bureau of Standards über die Korrosionsgeschwindigkeit des Eisens in 47 USA-Böden in Abhängigkeit von der durchschnittlichen jährlichen Regenmenge darzustellen.
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 630-636 
    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 the Tin Plate Container in Canning IndustryA large number of variables (steel, tin coating, surface treatments, can, content) play a role in the corrosion of the tin plate cans; thence its many aspects. The author treats deals special effects of corrosion on the inside and the outside of cans such as sulfide staining briefly. The usual effects of corrosion are discussed in detail: they are characterised by the tin-iron couple, in which tin is the anode (in unlacquered cans). The thickness and the porosity of the tin coating play a minor role while the type and characteristics of the steel, the presence of cathodic de-polarizers (like atmospheric oxygen), and the storage temperature, are important factors Lacquering increases corrosion by reducing the surface of the protective anode.The time dependance of the potentials of tin and steel in a couple, and of the output of the cell, seem to be the best means of studying the influences of the various factors; the most recent research is in this direction. So far, however, no laboratory test can replace practical tests.
    Notes: Zahlreiche Variabeln (Stahl, Verzinnung, Behandlung der Oberfläche, Dose, Produkt) beeinflussen die Korrosion der Konservendose; darum ist sie so verschiedenartig. Verfasser behandelt kurz die äußere Korrosion sowie bestimmte Typen von inneren Angriffen wie Sulfurierung, und bespricht eingehend die eigentliche Korrosion. Diese ist durch die Anwesenheit des Elektroelementes Zinn-Eisen charakterisiert, in welchem das Zinn als Anode wirkt (unlackierte Dose). Dicke und Porosität der Verzinnung spielen eine untergeordnete Rolle; dagegen sind Typ und Eigenschaften des Stahls, Anwesenheit von Depolarisatorer der Kathode (u. d. Luftsauerstoff) und Lagertemperatur wichtige Faktoren. Die Lackierung beschleunigt die Korrosion, da sie die Oberfläche der schützenden Anode vermindert.Die zeitliche Änderung des Potentials von Zinn und Stahl, in elektricher Berührung und der Strommenge der Zelle, scheinen der beste Weg zu sein, um den Einfluß der verschiedenen Faktoren zu untersuchen; in dieser Richtung bewegen sich die allerletzten Studien; doch bis jetzt erlaubt kein Laboratoriumversuch die praktische Probe zu ersetzen.
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 645-650 
    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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  • 158
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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: On the Importance of the Hydrate of Lime in Cement Mortar an Concrete against Aggression and of its Resistant Setting by Chemical Reactions during Hydration1The evaluation and interpretation of analytic and physical long term experiments with concretes made of Portland and blast furnace cements which were stored in aggressive agents, shows that the results agree to the theory of cements of the author. On this basis the hydration and cementation processes in the mortar beds as well as the causes and the mechanism of the corrosion of concrete are discerned. As the results of several testing methods and of different evaluation principles are agreeing, theoretically, the experimental results are of general and principle importance.2By means of a chemical reation a resistant setting of the hydrate of lime in the liquid phase during hydration was made possible. The so caused inhibition of the primary aggression allowed to increase the resistance of concretes of standard cements to a level never achieved before.
    Notes: 1Durch die Auswertung und Deutung von Langzeitversuchen, analytischen und physikalischen Untersuchungsergebnissen mit Beton aus Portlandzement und Hochofenzement bei Lagerung in aggressiven Medien ist es gelungen, einc neue zementtheoretische Anschauung des Verfassers zu bestätigen und davon ausgehend zur Klärung der Hydratations- und Erhärtungsvorgänge im Mörtelbett sowohl als auch der Ursachen und des Verlaufs der Betonaggression beizutragen. Die Untersuchungsergebnisse sind im Himblick auf ihre Übereinstimmung nach verschiedenen Prüfmethoden und den verschiedensten Auswertungsunterlagen nach Herstellungsart und Durchführungszeit theoretisch von allgemeingültiger und grundsätzlicher Bedeutung.2Durch die aggressionsbeständige Bindung des Kalkhydrats des Zements in der flüssigen Phase durch eine gezielte chemische Umsetzung während der Hydratation und die dadurch verursachte Hemmung bzw. Stillegung der Primäraggression wurde es möglich, Beton aus Normenzementen auf einfache Weise eine Aggressionsbeständigkeit zu geben, wie sie bisher noch nicht erreicht werden konnte.
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 651-657 
    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 9 (1958), S. 658-664 
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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 9 (1958), S. 680-680 
    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 9 (1958), S. XXXIII 
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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 9 (1958), S. 680-680 
    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 9 (1958) 
    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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  • 165
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 681-686 
    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: Documentation and Protection against Corrosion by PaintsThe protection against corrosion by painsts plays an important part in the range of protective methode available.Modern paints differ considerably from those used thirty or even ten years ago.Successive developments require continuous testing. The recording and evaluation of the results of short-term tests in the laboratory, of weathering tests and practical applications are usually unsatisfactory.A significant documentation would enable a successful comparison and interpretation of results to be given. Thus, some directions on how to prepare a documentation are given.Besides the standard DIN 53210 “Determination of the Degree of Rusting” there is a draft on the determination of the quality of a paint coat. Results are collected in card index files.
    Notes: Der Korrosionsschutz durch Anstriche nimmt bei den zur Verfügung stehenden Schutzverfahren einen breiten Raum ein. Die heute verwendeten Anstrichmittel unterscheiden sich erheblich von denen, die man vor 30 Jahren benutzt hat und selbst von denen, die vor 10 Jahren in Gebrauch waren.Diese ständige Weiterentwicklung erfordert eine fortlaufende Erprobung. Die Erfassung und Auswertung von Ergebnissen bei Kurzprüfungen im Labor, Bewitterungsprüfungen und bei der Anwendung in der Praxis, ist in der Regel unbefriedigend. Aber erst durch eine sinnvolle Dokumentation der Prüfergebnisse können diese mit einander verglichen und ausgewertet werden.Nachfolgend werden Wege aufgezeigt, wie dieses erfolgen kann. Neben der DIN 53210 „Bestimmung des Rostgrades“ wird ein Schema zur Beurteilung des Zustandes des Anstriches mitgeteilt. Die Ergebnisse werden in Karteikarten erfaßt.
    Additional Material: 2 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 690-693 
    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: Application of Electro-Chemical Measurements to Find the Causes of CorrosionElectro-chemical investigations of materials under operating conditions enable the causes of corrosion damage to be ascertained.Current density voltage curves plotted on half logarithmic paper give information on the kind and the amount of the corrosion currents. There cases which could be cleared up by electro-chemical investigations are discussed.In the first case, the results show that the sensitivity of a steel section depends much more on its chemical composition than on peripheral segregation.The second case demonstrates that technical phosphoric acid weakens the passivation of V4A steel and conditions potentials at which pitting might occur if the surface is not clean.Finally the influence of atmospheric oxygen upon the corrosion current is discussed in the light of electro-chemical investigations. Intakes of air at a leaky stuffing box are considered to have caused the corrosion of a centrifugal pump.
    Notes: Eiektrochemische Messungen an Werkstoffen, die den jeweiligen Betriebsverhältnissen angeglichen werden, können oft zu wesentlichen Aussagen über die Ursachen von Korrosionsschadensfällen führen.In halblogarithmischer Darstellung aufgenommene Stromdichte-Potentialkurven sind direkten Aussagen über die Art und Größe von Korrosionsströmen zugänglich. In drei Beispielen werden die Ergebnisse von elktrochemischen Messungen diskutiert, die zur Klärung von Korrosionsschäden führten.In einem Fall geben die Versuchsergebinsse an, daß die Korrosionsanfälligkeit eines Profilstables stärker von der chemischen Zusammensetzung, als von randnaben Seigerungen bestimmt wird.Im zweiten Beispiel wird aufgezeigt, daß technische Phosphorsäure die Passivierung von V4A-Stahl abschwächt und Ruhepotentiale erreicht werden, die bei nicht sauberen Oberflächen zu Lochfraß führen können.Aus den Versuchsergebnissen elektrochemischer Messungen an Gußbronze in Kühlsole wird drittens der Einfluß von Lufltsauerstoff auf den Korrosionsstrom angeführt, so daß Lufteintritt an einer undichten Stoffbüchse für die starke Korrosion einer Kreiselpumpe verantwortlich gemacht werden muß.
    Additional Material: 8 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 686-689 
    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: Glossy and Thick Rhodium CoatingsRhodium has been used for twenty years to prevent the tarnishing of silver goods and silver jewellery. Today, Rhodium finds its applications in engineering too. The 'decorative' coatings are glossy but only 1 micron thick. The 'technological' coatings of thicknesses varying between 2 and 25 microns, are always dull.However, for certain purposes it is desirable to obtain both thick and glossy Rhodium coatings. The author, therefore, examines the effects of various additives: cetain metal salts delay the disappearance of the gloss with a coating thickness of up to 2 microns, but the true gloss-producing agents appear to be active only on the surface. A number of such surfaceactive materials (anion-active, cathion-active and non-ionising) were investigated. Some of these produce glossy coatings with a thickness of far more than 10 microns. In addition, the porosity of the coat and its surface tesion is greatly reduced, the porosity of the coat and its surface tension is greatly reduced and thereby the corrosion resistance of the Rhodium is significantly improved. However, results of these experiments are not entirely consistent and work in this field continues.
    Notes: Rhodium wird seit über zwei Jahrzehnten angewandt, um das Anlaufen von Silberwaren und Silberschmuck zu verhüten. Heute hat Rhodium auch in der Technik Eingang gefunden. Die „dekorativen“ Schichten sind glänzend, jedoch nicht stärker als 1 Mikron; die „technischen“ Schichten, deren Dicke zwischen 2 und 25 Mikron schwankt, sind stets matt.Für gewisse Zwecke ist es jedoch erwünscht, dicke und glänzende Rhodiumüberzüge zu erhalten. Der Verfasser hat daher die Wirkung verschiedener Zusätze geprüft: Gewisse Metallsalze verzögern das Schwinden des Glanzes bei einer Schichtdicke bis zu zwei Mikron, jedoch scheinen die ausgesprochenen glanzgebenden Produkte oberflächenaktive Stoffe zu sein. Eine Reihe synthetischer oberflächenaktiver Produkte  -  anionaktive, kationaktive und nichtionogene  -  wurde untersucht. Einige davon ergeben glänzende Überzüge bei Schichtdicken, die weit über 10 Mikron liegen. Die Porosität der Schicht und ihre Oberflächenspannung werden außerdem stark herabgesetzt und dadurch wird die Korrosionsbeständigkeit des Rhodiums deutlich verbessert. Die erhaltenen Ergebnisse sind jedoch noch nicht durchweg konstant und die Arbeiten auf diesem Gebiet werden fortgesetzt.
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 715-718 
    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 9 (1958), S. 699-715 
    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: Galvanic Corrosion of Cast Iron and Brass Ms 60 in Acids, in the Absence and Pressence of Inhibitors II.Experiments show that the galvanic corrosion process is largely independent of corrosion caused by local cells. Inhibitors suppress only the effect of the local cells. The amount of galvanic corrosion in acid solutions is usually less than 1% of the total corrosion. The proportion of galvanic corrosion is increased only by the addition in inhibitors, because the corrosion caused by local cells is then supressed much more than the galvanic corrosion. Mixtures of inhibitors give greater protection than single substances. The nature of the charge on the inhibitor ions has little influence, because inhibition occurs both at the anode and at the cathode of the galvanic couple irrespective of the charge on the inhibitor ions. The effects observed can be explained by the theory which postulates an insulating pin-cushion inhibitor film. The results again support the inhibitor theory of W. Machu.
    Notes: Versuche zeigten, daß die galvanische Korrosion weitgehend unabhängig von der durch Lokalelemente hervorgerufenen vor sich geht. Inhibitoren hemmen praktisch nur die Tätigkeit der Lokalelemente. Der Anteil der galvanischen Korrosion an der Gesamtkorrosion ist in Säuren nur gering, meist kleiner als 1%. Nur bei guter Hemmungswirkung steigt der prozentuale Anteil der galvanischen Korrosion an, da die Korrosion durch Lokalelemente durch die Inhibitoren stärker verringert wird als die nur wenig verringerte galvanische Korrosion. Gemische von Inhibitoren schützen besser als Einzelstoffe. Der Ladungssinn der Inhibitorteilchen hat nur wenig Einfluß, da unabhängig vom Ladungssinn des Inhibitorteilchens Hemmungswirkungen sowohl an der Kathode als auch an der Anode der Metallkombination auftreten. Als Erklärung der beobachteten Erscheinungen wird die nadelkissenartige, isolierend wirkende Deckschicht der Inhibitoren herangezogen. Die Versuche stellen eine erneute Bestätigung der Inhibitortheorie von W. Machu dar.
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 723-727 
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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 9 (1958), 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 9 (1958), S. 729-730 
    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 9 (1958), S. 747-755 
    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: Corrosion of High Alloy Steels by Nitric AcidThe corrosion diagrams and iso corrosion lines of temperable and nontemperable chrome steels, chrome-nickel steels and some others containing further alloy constituents in nitric acid solutions up to 67% are determined at all temperatures up to their boiling points, under atmospheric pressure. The resistance to corrosion of the different types of steel under definite conditions can be derived from these curves.Parts of the corrosion data obtained were used to study the influence of different alloy constituents by means of a graphic method. To achieve passivatation the minimum content of chrome increases with rising concentration of nitric acid and with rising content of carbon in the alloy. Exceeding additions of chrome exert an inhibiting influence too. Manganese is very effective especially in alloys containing up to 0.7 %. Ni and Cu and Si in particular cause increasing aggression. Mo does not influence corrosion, except in boiling acid solutions of 67% where corrosion is decreases at Mo contents up to 2%. At higher contents the corrosive attack rises.Over a wide range of concentrations corrosion tests were carried out in boiling solutions of diluted acids. With chrome steels maximum aggression occurred in the range of 0.1-1 n acid solutions if the content of chrome, with deduction of the amount of chrome necessary to form chrome iron carbides, was lower than 14.5%. The corrosion peaks are usually higher than the data of the attack of a 1.0 n nitric acid. Austenitic steels do not show behaviour like this except for 18/8 Cr/Ni automate steel which contains some sulphur. Its corrosion peak is in the range of 0.1-1.0n. In higher concentrated acids it corrodes much more than the usual 18/8 Cr/Ni steels.
    Notes: Für härtbare und nichthärtbare Cr-Stähle und für Cr—Ni-Stähle, teilweise mit weiteren Legierungselementen, wurden Korrosionsdiagramme mit Isokorrosionslininen für Salpetersäure bis 67% und bis zu den atmosphärischen Siedetemperaturen aufgestellt. Aus ihnen läßt sich die Korrosionsbeständigkeit der verschiedenen Stahltypen bei bestimmten Bedingungen ablesen.Ein Teil der erhaltenen Korrosionswerte wurde dazu benutzt, um nach einer graphischen Methode den Einfluß der verschiedenen Legierungselemente zu trennen. Es ergab sich, daß die zur Passivierung notwendige Mindestmenge an Chrom mit der Konzentration der Säure und mit dem C-Gehalt steigt. Aber auch nach Überschreitung dieser Grenze haben weitere Cr-Zusätze einen korrosions-mindernden Einfluß. Einen sehr starken, guten Einfluß hat Mangan, und zwar besonders stark in den Mengen bis 0,7%, so daß sich eine Überschreitung dieses Wertes empfiehlt. Ni, Cu und besonders Si erhöhen die Korrosion. Mo hat im allgemeinen keinen Einfluß, aber in 67%iger Säure bei Siedetemperatur fällt die Korrosion bei Mo-Gehalten bis zu 2% etwas, um bei höheren Mo-Gehalten wieder anzusteigen.In verdünnten Säuren wurden in einem Konzentrationsgebiet bei Siedetemperatur Korrosionsversuche durchgeführt. Hierbei traten bei Cr-Stählen in dem Gebiet zwischen 0,1 und 1,0 n hohe Korrosionsspitzen auf, wenn die Cr-Gehalte nach Abzug des für die Chrom-Eisencarbidbildung notwendigen Chroms unter 14,5% sanken. Diese Korrosionsspitzen liegen meist höher als die Korrosionswerte für 1,0 n-HNO3. Bei den austenitischen Stählen tritt diese Erscheinung nicht auf, der untersuchte 18/8-Cr—Ni-Automatenstahl mit S-Gehalt hatte jedoch die Korrosionsspitze bei 0,1 bis 1,0 n Säure, auch war seine Korrosion in den konzentrierten Säuren viel stärker als bei den üblichen 18/8-Cr—Ni-Stählen.
    Additional Material: 36 Ill.
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 768-774 
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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 9 (1958), S. 775-780 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 780-783 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 783-788 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 788-791 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 795-795 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 795-795 
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 796-796 
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 795-796 
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 796-799 
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 799-800 
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 800-800 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. XXXIX 
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 533-536 
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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: Corrosion of Aluminium and its Alloys in Different WatersThere are corrosion tests of aluminium and its alloys in river waters and in cooling waters of circulating systems carried out at natural conditions. In river waters corrosion was low and uniform while there were pitting corrosions in circulating waters. The compositions and the impurities of the waters influence the corrosions essentially. The differences between the corrosion behavior of the different materials were slight. Laboratory tests stated that AlMn and AlMg alloys suffer the most intensive corrosion by mutual action of Cu++, Cl′, Ca++, HCO3′ in presence of oxygen. Pitting corrosion depends largely on the concentration of the ions mentioned. Other cations and anions cause lower or no pitting. The losses of weight, the number of holes on the surfaces, the maximal depth of corrosion and the nature of the corrosion products were observed in dependance of the concentration of Cu++, Cl′, Ca(HCO3)2 and pH-Value.
    Notes: Korrosionsversuche mit Aluminium und seinen Legierungen wurden in den Fluß- und Kühlwässern von Zirkulations-systemen unter natürlichen Bedingungen durchgeführt. In Flußwässern war die Korrosion gering und gleichmäßig, in den Zirkulationswässern erfolgte Lochfraßkorrosion. Die Zusammensetzung und Verunreinigungen des Wassers übten einen wesentlichen Einfluß auf die Korrosion aus. Die Unterschiede in der Korrosion der einzelnen Werkstoffe waren gering. Durch die laboratoriumsmäßigen Untersuchungen wurde bestätigt, daß bei den Legierungen AlMn und AlMg die intensivste Korrosion durch komplexe Einwirkung von Cu++, Cl′, Ca++, HCO3′ bei gleichzeitiger Anwesenheit von O2, bewirkt wird. Die Lochfraßkorrosion hängt von der Konzentration der angeführten Ionen stark ab. Andere Kationen und Anionen bewirkten geringere oder keine Lochfraßkorrosion. Quantitativ wurden die Gewichtsverluste, die Anzahl der Löcher, die von der Lochfraßkorrosion befallene Oberfläche, die maximale Korrosionstiefe und die Natur der Korrosionsprodukte in Abhängigkeit von der Konzentration von Cu++, Cl′, Ca(HCO3)2 und pH verfolgt.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 539-543 
    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: Pipes made of DuroplasticsThe oldest plastics are the hardenable products f reactions between phenols and formaldehyde. They belong to the big class of the duroplastics. One of the fields of application which phenoplasts have been introduced to is the protection against corrosion. The epoxy-resins and the poly-ester-resins demonstrate the intense developement fo the duroplasts which presents new chances of use in protection against corrosion. The good mechanic data of the poly-ester-resp. epoxy-glass-fibre-combinations allow the design interesting constructions.
    Notes: Die ältesten Kunststoffe sind die härtbaren Umsetzungsprodukte von Phenolen mit Formaldehyd. Sie gehören zu der großen Gruppe der Duroplaste. Unter die verschiedenen Anwendungsgebiete, in welche Phenoplaste Eingang gefunden haben, gehört der Korrosionsschutz. In neuerer Zeit haben die Duroplaste besonders durch die Epoxyharze und Polyesterharze eine lebhafte Weiterenwicklung erfahren, die auch auf dem Korrosionsschutzgebiet zu neuen Möglichkeiten führt. Die hohen mechanischen Werte der Polyster- bzw. Epoxy-Glasfaser-Kombinationen ermöglichen interessante Konstruktionen.
    Additional Material: 1 Ill.
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    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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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 605-605 
    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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  • 193
    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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  • 194
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 606-609 
    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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  • 195
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 665-668 
    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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  • 196
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 669-670 
    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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  • 197
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 671-676 
    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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  • 198
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    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 677-677 
    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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  • 199
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    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 9 (1958), S. 677-677 
    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
    Library Location Call Number Volume/Issue/Year Availability
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  • 200
    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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