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Shot peen prior to chromium plating on Inco 718

I am a Senior Project Engineer in the aerospace business with emphasis on reverse engineering. I am trying to determine if shot peening on Inco 718 is a typical preparation process used in chromium plating on aerospace product.

Stephen Platek
Engineer - Glastonbury, Connecticut
2007

I can respond generically that it is not uncommon to shot peen before chrome plating, and the reason it is done is often to fight fatigue stresses by compressing the outer layer and disrupt the propagation of cracks.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2007

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