MEHRSCHICHTUEBERZUG FUER SPANENDES WERKZEUG

Multilayer coating for a metal-cutting tool comprises alternating layers of a Gp.IV metal nitride or carbide, and a Gp.VI metal nitride, carbide, boride or silicide. Pref. the former layer has a thickness of 0.05-0.5 micron and the latter layer has thickness 15-40% that of the former layer. The meta...

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Bibliographische Detailangaben
Hauptverfasser:	PADALKA VALENTIN GLEBOVICH, VERESCHAKA ANATOLY STEPANOVICH, SINELSCHIKOV ANDREI KARLOVICH, GAVRILOV ALEXEI GEORGIEVICH, ZHED VIKTOR PETROVICH, GAVRILKO IGOR VASILIEVICH, ANDREEV ANATOLY AFANASIEVICH, TOLOK VLADIMIR TARASOVICH
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Multilayer coating for a metal-cutting tool comprises alternating layers of a Gp.IV metal nitride or carbide, and a Gp.VI metal nitride, carbide, boride or silicide. Pref. the former layer has a thickness of 0.05-0.5 micron and the latter layer has thickness 15-40% that of the former layer. The metal-cutting tool with the specified coating can be used esp. for cutting high alloy steels and other alloys. The coating has high strength and a low tendency to grip the surface of the metal being worked. The layers may be deposited by known methods, e.g. vapour deposition or reactive sputtering.