Abstract
Water jet cavitation peening (WJP) was used to improve the corrosion and stress corrosion cracking (SCC) of cold worked 316L stainless steel (316L SS) in high temperature water. WJP induced changes in residual stress and microstructure of the surface layer on corrosion and SCC were investigated. The investigation was conducted by comparing the corrosion and SCC of the un-treated (UT) and WJP treated specimens by exposure tests and slow strain rate tensile (SSRT) tests. The results revealed that WJP obviously improved the corrosion and SCC resistance of 316L SS, which is attributed to the increase of residual compressive stress and the change of the microstructure of the surface layer.
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