Electrical contact materials of internally oxidized ag-sn-bi...

C - Chemistry – Metallurgy – 22 – C

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306/350, 75/72

C22C 5/06 (2006.01) C22C 1/10 (2006.01) C22C 32/00 (2006.01) H01H 1/0237 (2006.01)

Patent

CA 1133285

ABSTRACT OF THE DISCLOSURE: The invention relates to an electrical contact material made from a silver alloy comprising 3 - 15 weight % of Sn, 0.01 - 1.0 weight % of Bi and either 0.5 - 8.5 weight % of Cu or 0.1 - 8.5 weight % of Cu and 0.01 - 0.5 weight % of at least one element of the iron family, said silver alloy having been internally oxidized, presents a stable contact resistance and less amount of consumption.

333532

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