SURFACE-COVERING CEMENTED CARBIDE ALLOY CUTTING TOOL EXCELLENT IN CHIPPING RESISTANCE

SURFACE-COVERING CEMENTED CARBIDE ALLOY CUTTING TOOL EXCELLENT IN CHIPPING RESISTANCE

PROBLEM TO BE SOLVED: To provide a surface-covering cemented carbide alloy cutting tool excellent in chipping resistance. SOLUTION: This surface-covering cemented carbide alloy cutting tool is composed of a cemented carbide alloy base body made of WC group cemented carbide alloy or TiCN group supera...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SUDO TOSHIKATSU
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
COMBINED OPERATIONS
DIFFUSION TREATMENT OF METALLIC MATERIAL
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
METALLURGY
OTHER WORKING OF METAL
PERFORMING OPERATIONS
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
TRANSPORTING
TURNING
UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a surface-covering cemented carbide alloy cutting tool excellent in chipping resistance. SOLUTION: This surface-covering cemented carbide alloy cutting tool is composed of a cemented carbide alloy base body made of WC group cemented carbide alloy or TiCN group superalloy and having an outer surface which is covered with a single or a plurality of hard covering layers composed of either or both of a (Ta, Ni)N layer exhibited by the following formula: (Ta, Ni1-x) and a (Ta, Ni)CN layer exhibited by the following formula: (Ta, Ni1-x)CyN1-y wherein x: 0.5 to 0.95, y: 0.01 to 0.5) by a thickness of 0.5 to 10 μm in average through vacuum evaporation.