The invention concerns a process for coating a mechanically charged surface (2) of a component consisting of a hardened steel with nitrogen and/or carbon content (1) with an adhesive or functional layer (4) for surface coating, where, prior to application of the adhesive or functional layer (4), a metallic binding material (5) is inserted into the surface (2) in order to create a graduated diffusion barrier zone (3) with an increasing proportion of metallic tride and/or metal carbide to the surface (2).
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