Processing for copper beryllium alloys

Details Processing for copper beryllium alloys Processing for copper beryllium alloys

C - Chemistry, Metallurgy

22

F

148/10

C22F 1/08 (2006.01)

Patent

CA 1196553

ABSTRACT OF THE DISCLOSURE A process for producing formed copper beryllium alloys. The process includes the steps of: preparing a copper beryl- lium melt; casting the melt; hot working the cast copper beryllium; solution annealing the copper beryllium; option- ally 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 to 1000°F for a period of up to 180 seconds, the copper beryllium being at final gauge prior to preaging.

419518

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