Method of making silver-cadmium oxide-tin oxide type contact mat

Details Method of making silver-cadmium oxide-tin oxide type contact mat Method of making silver-cadmium oxide-tin oxide type contact mat

1975-09-29

1976-11-02

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

200266, C22C 510

Patent

active

039895165

ABSTRACT:
A method of making silver-cadmium oxide-tin oxide type contact materials by oxidizing three-dimensional particles containing silver, cadmium, and tin and then consolidating the oxidized particles into bodies of the desired configuration. The resultant contact materials have a substantially uniform distribution of relatively coarse cadmium oxide particles, improved arc erosion properties, and little or no depleted or porous grain boundaries.

REFERENCES:
patent: 2796346 (1957-06-01), Stumbock
patent: 3317991 (1967-05-01), Haarbye
patent: 3607244 (1971-09-01), Kabayama
patent: 3674446 (1972-07-01), Haarbye et al.

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