Co-Cr alloy surface modification method, high fatigue strength Co-Cr alloy manufacturing method, high fatigue strength Co-Cr alloy

摘要

PROBLEM TO BE SOLVED: To provide a surface reforming method of a Co-Cr alloy for obtaining a Co-Cr alloy having more excellent fatigue strength. A surface reforming method for a Co-Cr alloy, comprising a step of subjecting a Co-Cr alloy to a shot peening treatment using a shot material containing ZrO