PROTECTIVE FILM FOR SURFACE OF DIE AND PROTECTIVE FILM FOR SURFACE OF METAL WORKING TOOL

PROBLEM TO BE SOLVED: To impart high hardness in a certain degree to a protective film for the surface of a metal working tool such as a die and a cutting tool for improving the appearance of a molding, further, to improve its lubricity, and to reduce its wettability as well. SOLUTION: The protectiv...

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Bibliographische Detailangaben
Hauptverfasser:	NOSE MASATERU, TSUKASA SEIICHI, OI MIKI
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 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 PERFORMING OPERATIONS POWDER METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To impart high hardness in a certain degree to a protective film for the surface of a metal working tool such as a die and a cutting tool for improving the appearance of a molding, further, to improve its lubricity, and to reduce its wettability as well. SOLUTION: The protective film for the surface of a metal working tool is composed of a mixed film or a stacked film of the nitride of a transition metal element and carbon having an amorphous structure and deposited on a metal surface by a vapor phase thin film deposition process. COPYRIGHT: (C)2006,JPO&NCIPI