Method for removing a layer area of a component

摘要

A method for removing a layer area of a component in which the component is firstly treated in at least one salt bath, and then, in a further method step, treated at least once in an acid bath. The method can include adding sodium oxide to a salt bath as an oxygen donor treating the component with a salt bath wherein the salt bath is selected from the group consisting of: sodium hydroxide and potassium hydroxide and treating the component with an acid bath wherein the acid bath is selected from the group consisting of: nitric acid and phosphoric acid.