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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 7 (1976), S. 224-228 
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Comparative examinations on gold layers applied on silver. By electrolytical deposition, high vacuum evaporation and cladding gold layers of 10-20 μm thickness had been produced on silver. These layers had been examined in their initial state and after different heat treatments on air by a light microscope and a scanning electron microscope. The microhardness of these layers had also been determined and the diffusion between gold and silver had been studied with the electron microanalyzer. Besides the known features of surface structure and hardness certain differences in the tarnishing and diffusion behaviour had been detected. The cause of these differentiations is primarily due to typical processing features.
    Notes: Durch elektrolytische Abscheidung, Hochvakuumbedampfung und Walzplattierung wurden 10-20 μm dicke Goldschichten auf Silber hergestellt. Die Schichtwerkstoffe wurden licht- und rasterelektronenmikroskopisch im Ausgangszustand und nach verschiedenen Wärmebehandlungen an Luft untersucht. Daneben wurde die Mikrohärte der Schichten ermittelt und mit einer Elektronenstrahlmikrosonde die Diffusion zwischen Gold und Silber studiert. Es haben sich neben den bekannten Merkmalen der Oberflächenstruktur und der Härte gewisse Unterschiede im Anlauf- und Diffusionsverhalten gezeigt. Die Ursache dieser Differenzierungen ist in erster Linie auf typische Verfahrensmerkmale zurückzuführen.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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