Study on Microstructure and Corrosion Behavior of Ag-Cu-Zn-Ni Alloys

Fu Xiang Huang; Ping Yin; Yong Hong Xu; Ying Zhang

doi:10.4028/www.scientific.net/AMR.311-313.2132

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 311-313Study on Microstructure and Corrosion Behavior of...

Study on Microstructure and Corrosion Behavior of Ag-Cu-Zn-Ni Alloys

Abstract:

Potentiodynamic electrochemical tests and surface analysis technics, such as scanning electronic microscope (SEM), energy dispersive spectrum (EDS) and X-ray diffraction analysis (XRD), were applied to investigate the microstructure and corrosion behavior of Ag-Cu-Zn-Ni alloys in Na2S solution. The results reveal that the α-Ag phase is the main matrix of the studied silver alloys. The second phase of Ag-4Cu-0.3Ni and Ag-3Cu-Zn-0.3Ni/Ag-6Cu-Zn-0.3Ni are respectively CuNi and CuNi(Zn) phases. The second phases of Ag-6Cu-Zn-0.3Ni are well-distributed, which leads to an improvement in the corrosion resistance in Na2S solution.

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Periodical:

Advanced Materials Research (Volumes 311-313)

Pages:

2132-2137

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.311-313.2132

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Online since:

August 2011

Authors:

Fu Xiang Huang, Ping Yin, Yong Hong Xu, Ying Zhang

Keywords:

Ag-Cu-Zn-Ni Alloys, Corrosion Behaviour, Microstructure

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