Coated article

The invention relates to a coated article, in particular a tool for cutting machining, which has at least one titanium diboride layer which has been deposited by a thermal CVD process and has a thickness of at least 0.1 [mu]m. According to the invention, the titanium diboride layer has an extremely...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WALLGRAM WOLFGANG, THURNER JOSEF, SCHLEINKOFER UWE, GIGL KARL
Format:	Patent
Sprache:	chi ; eng
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:	The invention relates to a coated article, in particular a tool for cutting machining, which has at least one titanium diboride layer which has been deposited by a thermal CVD process and has a thickness of at least 0.1 [mu]m. According to the invention, the titanium diboride layer has an extremely fine-grained microstructure having an average grain size of not more than 50 nm.