Electrical contact materials

Details Electrical contact materials Electrical contact materials

1975-03-17

1976-05-18

Sebastian, Leland A.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

B22F 100, B22F 300

Patent

active

039575080

ABSTRACT:
The material consists of a mixture of silver and 1.0 to 20 weight per cent of lanthanum, strontium chromite of the formula La.sub.1.sub.-x Sr.sub.x CrO.sub.3, where the values of x lie between 0 and 1.0. The addition of 2.5 to 20 weight per cent of cadmium oxide further improves the electrical contact material by providing anti-weld properties to the contact interface. The electrical contacts are formed from the contact material by powder metallurgy techniques.

REFERENCES:
patent: 3385677 (1968-05-01), Schreiner
patent: 3506437 (1970-04-01), Gwyn, Jr.
patent: 3630968 (1971-12-01), Hahano

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