Abstract
This paper gives a short review of physical vapour deposition (PVD) processes suitable for the deposition of wear-protective films with complex compositions and structures. It then characterizes the advantages of multicomponent and multilayer coatings, and describes their behaviour in cutting tool applications—an area in which PVD coatings are widely used in industry. The research results presented indicate a great future application potential for PVD coatings with complex compositions and structures. Particularly promising in this respect are films which achieve significantly prologned tool lives in interrupted-cut machining, such as Ti-Zr-N, Ti-C-N and TiN/Ti-C-N multilayer coatings.
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