CUTTING TOOL

Provided is a cutting tool comprising a base material and a film arranged on the base material, in which the film includes a hard carbon film on the outermost surface thereof, the hard carbon film includes a first region, the first region is a region sandwiched between the surface of the hard carbon...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TABAYASHI, Daiji, FUKUI, Haruyo, UEMURA, Shigeaki
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 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:	Provided is a cutting tool comprising a base material and a film arranged on the base material, in which the film includes a hard carbon film on the outermost surface thereof, the hard carbon film includes a first region, the first region is a region sandwiched between the surface of the hard carbon film and an imaginary plane P at a distance of 40 nm from the surface to the base material side, and the sp2 component amount C2 and the sp3 component amount C3 in the first region exhibit a relationship of the following formula 1:{C2/(C2+C3)}×100≤2.0 formula 1.