Electrical contact materials of internally oxidized Ag-Sn-Bi all

Details Electrical contact materials of internally oxidized Ag-Sn-Bi all Electrical contact materials of internally oxidized Ag-Sn-Bi all

1979-07-30

1980-12-30

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75173R, B32B 1500, C22C 510

Patent

active

042421357

ABSTRACT:
Internally oxidized Ag-Sn-Bi alloy electrical contact materials are improved of their tensile strength and rate of consumption by the addition of 0.1-8.5 weight % of Cu, whereby they present stable contact resistance and less amount of consumption. The alloy may comprise 0.01-0.5 weight % of one or more elements of the iron family.

REFERENCES:
patent: 2673167 (1954-03-01), Vines
patent: 3933486 (1976-01-01), Shibata
patent: 4072515 (1978-02-01), Motoyoshi et al.
patent: 4150982 (1979-04-01), Shibata

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