Letter 31073

Improvement in fatigue strength in shot peened CA172 [Illinois] 

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We are working with Beryllium Copper parts and are considering shot peening in order to increase the fatigue life. Is there published data which shows the increase in fatigue strength for CA172?

Harold Chisamore, Engineering specialist
defense electronics mfg - Rolling Meadows, IL, USA

Harold, the folks to ask are at Brush Wellman, who are readily found through their web site.

Lee Gearhart
- East Aurora, NY

I want to answer or follow-up on this subject publicly (in non-commercial fashion).

 

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