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Schichtsystem, Verfahren zur Herstellung desselben und Metallsubstrat mit einem derartigen Schichtsystem

Wear and corrosion resistant decorative or tribological coating - comprises metal oxide intermediate layer and nitride, carbonitride or oxynitride functional layer.
 
: Dietz, A.; Weber, A.; Heide, V. von der; Klages, C.-P.

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Frontpage ()

DE 1996-19639013 A: 19960923
DE 1997-19741800 A: 19970922
EP 1997-116462 A: 19970922
DE 19741800 A1: 19980326
EP 832993 A: 19980401
C23C0028
C23C0030
German
Patent, Electronic Publication
Fraunhofer IST ()

Abstract
A layer system, for coating corrosion-susceptible metal substrates, consists of an intermediate layer of one or more metal oxides and a functional layer of one or more 4-6 subgroup metal nitrides, carbonitrides and/or oxynitrides, preferably titanium or chromium nitride. Also claimed is a process for producing the above layer system, in which the intermediate layer and the functional layer are applied by the same coating method, preferably PVD, especially sputtering. Further claimed is a metal substrate with the above layer system. USE - As a decorative coating, e.g. for watch straps or spectacle frames, or as a tribological coating e.g. for tools. ADVANTAGE - The layer system has high wear resistance and high resistance to corrosion e.g. by perspiration.

: http://publica.fraunhofer.de/documents/PX-32632.html