United Technologies Corporation

Clyde R Everett

Peter J Draghi

Ramon M Velez

Ramon M Valez

A method for a repair process includes the steps of subjecting a substrate coated with at least one protective metallic coating to a nitric acid solution and then subjecting the substrate with the at least one protective metallic coating to a hydrochloric acid solution to remove the at least one protective metallic coating from the substrate. The substrate includes about 5 wt %-15 wt % chromium, about 2 wt %-8 wt % cobalt, about 2 wt %-6 wt % tungsten, about 0.5 wt %-2.5 wt % titanium, about 8 wt %-16 wt % tantalum, about 2 wt %-8 wt % aluminum, hafnium in an amount no greater than 1 wt %, and a remainder of nickel.

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Burlington, CT, United States of America

Clyde R Everett