Microstructure, hardness and electrical conductivity of silver-metal oxides electrical contact materials
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Publication Details
Author list: Wathanyu K., Rojananan S.
Publisher: Trans Tech Publications
Publication year: 2012
Volume number: 486
Start page: 529
End page: 532
Number of pages: 4
ISBN: 9783037853863
ISSN: 1022-6680
eISSN: 1662-8985
Languages: English-Great Britain (EN-GB)
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Abstract
The aim of this paper was to study the microstructure, hardness and electrical conductivity of silver-metal oxides electrical contact materials. The Ag-SnO 2, Ag-ZnO and Ag-CuO were prepared by powder metallurgy process. The density, microstructure, hardness and electrical conductivity were investigated. The results showed that the density of silver-metal oxides were 91-96% of theoretical density. The microstructures exhibited that the metal oxides were uniform dispersion in the silver matrix. The hardness of Ag-(5, 10)SnO 2 and Ag-(5, 10)ZnO samples were about 100 HV and the hardness of Ag-(5, 10)CuO samples were about 88 HV. The Ag-5CuO samples had the highest electrical conductivity at the value of 91.27 %IACS. ฉ (2012) Trans Tech Publications, Switzerland.
Keywords
Metal Oxides, Powder metallurgy, Silver Composite
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