HIGH TEMPERATURE LUBRICATING FILM, AND COATED CUTTING TOOL

PROBLEM TO BE SOLVED: To provide a high temperature lubricating film having high temperature lubricity without using a solid lubricant having solid lubrication action which has been required separately from a hard film, having excellent oxidation resistance, and having high hardness and excellent we...

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Bibliographische Detailangaben
Hauptverfasser:	KITAJIMA KAZUO, SONOBE MASARU, KATOU NORIHIRO
Format:	Patent
Sprache:	eng
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 MAKING GEARS OR TOOTHED RACKS 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:	PROBLEM TO BE SOLVED: To provide a high temperature lubricating film having high temperature lubricity without using a solid lubricant having solid lubrication action which has been required separately from a hard film, having excellent oxidation resistance, and having high hardness and excellent wear resistance, and to provide a method having satisfactory productivity of a coated tool with the film. SOLUTION: In the high temperature lubricating film, high speed steel or cemented carbide is used as a base metal, and a hard film is formed on the surface of the base material by a physical vapor deposition method. The hard film has components expressed by (Ti1-u-v-wAluNivMw)(CxN1-x), wherein, M is a nitride forming element(s); and 0≤u≤0.75, 0.005≤v≤0.05, 0≤w≤0.3, and u+v+w