Electrical contact materials containing internally oxidized...

C - Chemistry – Metallurgy – 22 – C

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C22C 5/02 (2006.01) C22C 5/06 (2006.01) C22C 9/00 (2006.01) C22C 32/00 (2006.01) H01H 1/0237 (2006.01)

Patent

CA 1113741

ABSTRACT OF THE DISCLOSURE: An electrical contact material obtained through inter- nally oxidizing a silver alloy which is the solid solution with 3 to 11 weight percent of tin and other solute metal element(s). The alloy material is improved of its contact resistance by dif- fusing into the silver matrix 0,1 to 5 weight percent of metals having a decomposition and sublimation temperature lower than the melting point of silver and then by internally oxidizing the material.

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