Microwave assisted chemical stripping method of metallic coatings

摘要

A method for chemically stripping a metallic coating from a substrate (100) is described. The coating is treated in the presence of microwave energy with a solution (120) containing at least one acid known to dissolve the coating. The application of microwave energy accelerates the dissolution and allows for the use of diluted solutions. Coatings of interest include diffusion aluminides on superalloy substrates.