Contact material for vacuum circuit breaker

Details Contact material for vacuum circuit breaker Contact material for vacuum circuit breaker

1983-11-16

1986-03-11

Rutledge, L. Dewayne

Alloys or metallic compositions

Copper base

Aluminum, gallium, indium, or thallium containing

420491, 420494, 420495, 420499, 420500, 420587, 420588, 420492, 200266, C22C 900, C22C 3002

Patent

active

045754519

ABSTRACT:
A contact material for a vacuum circuit breaker consists essentially of copper as the basic component, and, as the other components, 35% by weight or below of chromium and 50% by weight or below of niobium, the total quantity of chromium and niobium in said contact material being 10% by weight and above.

REFERENCES:
patent: 1375454 (1921-04-01), Hansen
patent: 2311750 (1943-02-01), Hensel et al.
patent: 3246979 (1966-04-01), Lafferty et al.
patent: 3379846 (1968-04-01), Wood et al.
patent: 3514559 (1970-05-01), Ranheim
patent: 3627963 (1971-12-01), Lindsay
patent: 4008081 (1977-02-01), Hundstad
patent: 4032301 (1977-06-01), Hassler et al.
patent: 4347413 (1982-08-01), Wantanabe et al.
patent: 4378330 (1983-03-01), Verhoeven et al.

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