METHOD FOR PRODUCING A USEFUL LAYER

摘要

The invention relates inter alia to a method for producing a starting material (M, N, N') for the production of a wear layer (420). It is provided according to the invention that a coating (40) with a composition which corresponds to that of the wear layer (420) which is to be produced is chemically undissolved from its substrate (30) and is detached as a solid body, and that the starting material (M, N, N') is formed by the layer material (60) of the detached coating (40).