Microstructure and Properties of La-Doped Ag-SnO2/Cu Contact Material

Chong Fu; Jun Bo Wang; Min Ge Yang; Xin Hai He; Xiao Lei Su; Jie Xu

doi:10.4028/www.scientific.net/AMR.194-196.1594

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196Microstructure and Properties of La-Doped...

Microstructure and Properties of La-Doped Ag-SnO₂/Cu Contact Material

Abstract:

The undoped and La-doped nanostructured Ag-SnO₂ coatings on pure copper substrate were prepared by supersonic plasma spraying. The phase compositions and microstructures of coatings were characterized and mechanical properties including micro-hardness and bonding strength of coatings were measured. Meanwhile, conductivity test was performed on the both Ag-SnO₂/Cu contact materials. Compared with undoped Ag-SnO₂ coating, La-doped Ag-SnO₂ coating exhibits the more dense structure with fewer pores, and show slightly higher micro-hardness and bonding strength. Doping La can effectively enhance the electrical conductivity of Ag-SnO₂/Cu contact materials.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

1594-1598

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.1594

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Online since:

February 2011

Authors:

Chong Fu, Jun Bo Wang, Min Ge Yang, Xin Hai He, Xiao Lei Su, Jie Xu

Keywords:

Ag-SnO₂, Electrical Conductivity, La Doped, Mechanical Property, Supersonic Plasma Spraying

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