Coated cutting insert

A cutting tool insert comprising a cemented carbide substrate and a coating comprising a layer of NbN, wherein the cemented carbide substrate comprises 11-12.5 wt% cobalt, 0.2-1.2 wt% chromium, and 86.3-88.4 wt% wolfram carbide.

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Bibliographische Detailangaben
Hauptverfasser:	LARSSON TOMMY, LOEFROTH PETER, KALLERHULT HANNA, ENGSTROEM HINDRIK, QVICK JAN
Format:	Patent
Sprache:	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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	A cutting tool insert comprising a cemented carbide substrate and a coating comprising a layer of NbN, wherein the cemented carbide substrate comprises 11-12.5 wt% cobalt, 0.2-1.2 wt% chromium, and 86.3-88.4 wt% wolfram carbide.