Surface-coating material, cutting tool using the material and working machine using the material

The present invention provides a surface-coating material, a cutting tool using the material and a working machine using the material. The material is capable of exhibiting high peeling resistance and high chipping resistance. The surface-coating material (10) is provided with a base material (11),...

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Bibliographische Detailangaben
Hauptverfasser:	KIKUCH TAIJI, MISAKI MASANOBU
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:	The present invention provides a surface-coating material, a cutting tool using the material and a working machine using the material. The material is capable of exhibiting high peeling resistance and high chipping resistance. The surface-coating material (10) is provided with a base material (11), a bottom layer (12), and a top layer (13). The base material (11) comprises high-speed tool steel or cemented carbide. The bottom layer (12) is provided on the surface of the base material (11) and comprises at least one nitride of titanium, aluminum, chromium, and zirconium. The top layer (13) is provided on the surface of the bottom layer (12) and is formed by alternatingly laminating an A layer and/or a B layer. The A layer comprises a nitride of aluminum, chromium, and silicon. The B layer comprises a nitride of aluminum, chromium, and yttrium.