Method of making electrical contact materials

Details Method of making electrical contact materials Method of making electrical contact materials

1975-12-18

1976-11-16

Padgett, Benjamin R.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75213, 29182, 294205, 291821, B22F 316

Patent

active

039921999

ABSTRACT:
An electrical contact material consisting essentially of a highly conductive metal such as gold or silver, a refractory constituent such as tungsten, molybdenum, tantalum, titanium, their carbides, or mixtures thereof and a bonding constituent of at least two metals that form an alloy selected from the iron group (Group VIII of the Periodic Table of the Elements), and copper. The material has improved properties including improved resistance to arc erosion, resistance to bleeding of the highly conductive metal, and resistance to welding or sticking when used as an electrical contact material.

REFERENCES:
patent: 2030229 (1936-02-01), Schwarzkopf
patent: 2179960 (1939-11-01), Schwarzkopf
patent: 2620555 (1952-12-01), Lenz
patent: 2648747 (1953-08-01), Graves
patent: 2843921 (1958-07-01), Ang
patent: 3859087 (1975-01-01), Backstrom

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