Impregnated compound metal as contact material for vacuum switch

Details Impregnated compound metal as contact material for vacuum switch Impregnated compound metal as contact material for vacuum switch

1974-10-31

1977-03-29

Padgett, Benjamin R.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

75200, B22F 300, B22F 104, C22C 3302

Patent

active

040146596

ABSTRACT:
An impregnated compound metal is provided comprising a metal matrix comprising a metallic main constituent having a melting point above 1400.degree. C and a metallic embrittlement additive impregnated with an impregnating metal or metal alloy, brittle intermetallic phases or mixed crystals forming between the main constituent and the embrittlement additive at sintering temperatures above 1200.degree. C. The percentage of embrittlement additive relative to the main constituent is 0.5 to 10 percent by weight. The melting points of all constituents are above 2000.degree. C.

REFERENCES:
patent: 3125441 (1964-03-01), Lafferty
patent: 3337338 (1967-08-01), Krock et al.
patent: 3360348 (1967-12-01), Schreiner
patent: 3440043 (1969-04-01), Zdnuk et al.
patent: 3721550 (1973-03-01), Schreiner et al.
patent: 3819897 (1974-06-01), Pecke et al.

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