Processing chromium-containing precipitation hardenable copper b

Details Processing chromium-containing precipitation hardenable copper b Processing chromium-containing precipitation hardenable copper b

1976-10-04

1977-09-13

Stallard, W.

Metal treatment

Compositions

Heat treating

C22F 108

Patent

active

040479803

ABSTRACT:
A process of heat treating and mechanically working chromium-containing precipitation hardenable copper base alloys is disclosed. The combination of hot and cold working, annealing and novel low temperature thermal treatment steps increases both the strength and electrical conductivity properties of the alloys without excessive cold working.

REFERENCES:
patent: 2281691 (1942-05-01), Hensel et al.
patent: 3143442 (1964-08-01), Watts
patent: 3194655 (1965-07-01), Pels et al.
patent: 3357824 (1967-12-01), Saarvita
patent: 3421888 (1969-01-01), Saarvita
patent: 3717511 (1973-02-01), Wallbaum
patent: 3881965 (1975-05-01), Matsuda et al.
patent: 3969156 (1976-07-01), Wallbaum

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