HARD COATING AND HARD COATING-COVERED MEMBER

A hard coating 1 is a hard coating 1 to be formed on a base material 3. The hard coating 1 includes a first layer 11. A composition formula of the first layer 11 is Zr 1-a-b Hf a Mg b (B x C y N 1-x-y ). In this composition formula, a, b, x, y are the respective atomic ratios of Hf, Mg, B, C, and re...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO, Kenji, NII, Hiroaki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BORING 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 MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TURNING
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Beschreibung
Zusammenfassung:	A hard coating 1 is a hard coating 1 to be formed on a base material 3. The hard coating 1 includes a first layer 11. A composition formula of the first layer 11 is Zr 1-a-b Hf a Mg b (B x C y N 1-x-y ). In this composition formula, a, b, x, y are the respective atomic ratios of Hf, Mg, B, C, and relational expressions of 0 ¤ a ¤ 0.95, 0.05 ¤ b ¤ 0.30, 0 < 1-x-y are satisfied. A hard coating-covered member 10 comprises the base material 3 which is a blade edge portion of a cutting tool and the hard coating 1 which is formed on the base material 3.