Processing for improved stress relaxation resistance in copper a

Details Processing for improved stress relaxation resistance in copper a Processing for improved stress relaxation resistance in copper a

1976-11-19

1978-02-14

Stallard, W.

Metal treatment

Compositions

Heat treating

C22F 108

Patent

active

040736679

ABSTRACT:
A process for providing copper base alloys with a combination of high strength and high strength to ductility characteristics is disclosed. The alloys should be those copper alloys which exhibit continuous, homogeneous precipitation of coherent particles such as spinodal decomposition upon precipitation hardening. The alloys are hot worked, solution annealed and subjected to a controlled cooling to provide the desirable strength-ductility combinations.

REFERENCES:
patent: 2783143 (1957-02-01), Johnson et al.
patent: 2943960 (1960-07-01), Saanvirta
patent: 3258334 (1966-06-01), Kessler
patent: 3663311 (1972-05-01), Chin et al.
patent: 4012240 (1977-03-01), Hinrichsen et al.
patent: 4016010 (1977-04-01), Caron et al.

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