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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 12 (1961), S. 150-154 
    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 passivity of silver-copper alloys in sodium cyanide solutionsThe passivity phenomena were investigated with two further Ag-Cu alloys 50/50 and 20/80 in different sodium cyanide solutions, with the aid of current density/potential curves. In this connection, the characteristic constants of the Müller-Machu relation, N and n, as well as the free pore surface of the different layers formed during passivation were determined.The passivation process always takes place in three stages. The composition of the different layers and their reaction mechanism are discussed in some detail.
    Notes: Die Passivitätserscheinungen wurden an zwei weiteren Ag-Cu-Legierungen 50/50 sowie 20/80 in verschiedenen Natriumcyanidlösungen an Hand der Stromdichte-Zeit-sowie Stromdichte-Potential-Kurven untersucht. Dabei wurden die charakteristischen Konstanten der Müller-Machu-Beziehung B und n sowie die freie Porenfläche der verschiedenen, während der Passivierung gebildeten Deckschichten berechnet.Die Passivierung geht stets in drei Stufen vor sich. Die Zusammensetzung der dabei auftretenden Deckschichten sowie der Reaktionsmechanismus wurden näher erörtert.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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