SURFACE-COATED CUTTING TOOL HAVING THEREIN HARD COATING LAYER CAPABLE OF EXHIBITING EXCELLENT CHIPPING RESISTANCE DURING HIGH-SPEED INTERMITTENT CUTTING WORK

A surface-coated cutting tool includes a body and a hard coating layer coating the cutting tool body. In the surface-coated cutting tool, the (Ti 1-X Al X )(C Y N 1-Y ) layer with a cubic crystal structure (X and Y are atomic ratio, and satisfy 0.60¤X¤0.90 and 0.0005¤ Y¤0.005, respectively) is v...

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Hauptverfasser:	TATSUOKA SHO, IWASAKI NAOYUKI, IGARASHI MAKOTO, OSADA AKIRA
Format:	Patent
Sprache:	eng ; fre ; ger
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 MILLING PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TURNING
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creator	TATSUOKA SHO IWASAKI NAOYUKI IGARASHI MAKOTO OSADA AKIRA
description	A surface-coated cutting tool includes a body and a hard coating layer coating the cutting tool body. In the surface-coated cutting tool, the (Ti 1-X Al X )(C Y N 1-Y ) layer with a cubic crystal structure (X and Y are atomic ratio, and satisfy 0.60¤X¤0.90 and 0.0005¤ Y¤0.005, respectively) is vapor-deposited on the body by a chemical vapor deposition method. The Al content X L is 0.55¤X L ¤0.70, and the grain size D L is 0.1 µm or less in the (Ti 1-X Al X )(C Y N 1-Y ) layer near the interface between the body and the complex carbonitride layer. The Al content X H 0.80¤X H ¤0.95 and the average grain size D H is 0.5 µm to 2 µm in the (Ti 1-X Al X )(C Y N 1-Y ) layer near the outer surface side. Furthermore, the Al content ratio and the grain size in the (Ti 1-X Al X )(C Y N 1-Y ) layer gradually increase to the outer surface side.
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In the surface-coated cutting tool, the (Ti 1-X Al X )(C Y N 1-Y ) layer with a cubic crystal structure (X and Y are atomic ratio, and satisfy 0.60¤X¤0.90 and 0.0005¤ Y¤0.005, respectively) is vapor-deposited on the body by a chemical vapor deposition method. The Al content X L is 0.55¤X L ¤0.70, and the grain size D L is 0.1 µm or less in the (Ti 1-X Al X )(C Y N 1-Y ) layer near the interface between the body and the complex carbonitride layer. The Al content X H 0.80¤X H ¤0.95 and the average grain size D H is 0.5 µm to 2 µm in the (Ti 1-X Al X )(C Y N 1-Y ) layer near the outer surface side. Furthermore, the Al content ratio and the grain size in the (Ti 1-X Al X )(C Y N 1-Y ) layer gradually increase to the outer surface side.</abstract><oa>free_for_read</oa></addata></record>
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subjects	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 MILLING PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TURNING
title	SURFACE-COATED CUTTING TOOL HAVING THEREIN HARD COATING LAYER CAPABLE OF EXHIBITING EXCELLENT CHIPPING RESISTANCE DURING HIGH-SPEED INTERMITTENT CUTTING WORK
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