Powdered metal composite

Details Powdered metal composite Powdered metal composite

C - Chemistry, Metallurgy

22

C

18/1120, 75/1.2

C22C 1/04 (2006.01) B22F 1/00 (2006.01) C22C 32/00 (2006.01) H01H 1/025 (2006.01) H01R 13/03 (2006.01)

Patent

CA 1248778

DISPERSION STRENGTHENED METAL COMPOSITES A B S T R A C T There is provided a substantially fully dense powdered metal composite comprising a highly conductive metal or metal alloy matrix having dispersed therein discrete microparticles of a refractory metal oxide and discrete macroparticles of a hard metal or hard metal alloy, The respective components undergo minimal alloying because sintering is not utilized in forming the composite. These composites are characterized by high thermal or electrical conductivity and a desired property attributable to the composite forming hard metal or hard metal alloy. The composites are useful in forming lead frames for integrated circuit chips, electric lamp lead wires, and electrical contact members.

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