Processing for copper beryllium alloys

Details Processing for copper beryllium alloys Processing for copper beryllium alloys

1982-03-30

1983-07-19

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

148 127C, 148160, C22F 108

Patent

active

043941850

ABSTRACT:
A process for producing formed copper beryllium alloys. The process includes the steps of: preparing a copper beryllium melt; casting the melt; hot working the cast copper beryllium; solution annealing the copper beryllium; optionally cold working the solution annealed copper beryllium; forming the copper beryllium; and age hardening the formed copper beryllium; and the improvement comprising the step of preaging the solution annealed or solution annealed and cold worked copper beryllium, prior to forming, at a temperature of from 400.degree. to 1000.degree. F. for a period of up to 180 seconds, the copper beryllium being at final gauge prior to preaging.

REFERENCES:
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patent: 2412447 (1946-12-01), Donachie
patent: 3138493 (1964-06-01), Smith
patent: 3196006 (1965-04-01), Lane et al.
patent: 3536540 (1967-11-01), Rauch
patent: 3753696 (1973-08-01), Shibata et al.
patent: 3841922 (1974-10-01), De Jarnett
patent: 3985589 (1976-10-01), Shapiro et al.
patent: 4179314 (1979-12-01), Wikle

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