Coated part used as e.g. cutting tool

摘要

Coated part comprises: (a) a substrate; (b) an intermediate layer formed on the substrate and having thickness of 5-500 nm and compsn. of formula AlxTi1-z (I); and (c) a hard coating formed on the intermediate layer and having compsn. of formula (AlxTi1-x)(NyC1-y) (II). x = 0.56-0.75; y = 0.6-1; and z = 0.05-0.75.