AG-Metal oxides electrical contact materials containing internal

Details AG-Metal oxides electrical contact materials containing internal AG-Metal oxides electrical contact materials containing internal

1978-03-13

1979-04-24

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

041509820

ABSTRACT:
An electrical contact material obtained through internally 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 diffusing 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.

REFERENCES:
patent: 3811876 (1976-05-01), Harigaya et al.
patent: 3933485 (1976-01-01), Shibata
patent: 3933486 (1976-01-01), Shibata
patent: 3989516 (1976-11-01), Haarbye

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