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SURFACE-COATED CUTTING TOOL HAVING EXCELLENT CHIPPING RESISTANCE AND WEAR RESISTANCE
In a surface-coated cutting tool, an A layer made of an (Al1-xTix)N layer (0.35≦x≦0.6 by an atom ratio) and a B layer made of a (Al1-y-zTiySiz)N layer (0.35≦y≦0.6 and 0.01≦z≦0.1 by an atom ratio) are layered on a surface of a tool body in which at least a cutting edge is made of a cBN sintered body. A layer thickness ratio of the A layer and the B layer (tB/tA) is 2 to 5, an X-ray diffraction intensity ratio I(200)/I(111) as the entire hard coating layer is more than 3 and 12 or less, a full width at half maximum of a peak of I(200) is 0.3 to 1.0, the IA(200)/IA(111) of the A layer is 2 to 10, and a full width at half maximum of the peak of the IA(200) is 0.3 to 1.0.
SURFACE-COATED CUTTING TOOL HAVING EXCELLENT CHIPPING RESISTANCE AND WEAR RESISTANCE
In a surface-coated cutting tool, an A layer made of an (Al1-xTix)N layer (0.35≦x≦0.6 by an atom ratio) and a B layer made of a (Al1-y-zTiySiz)N layer (0.35≦y≦0.6 and 0.01≦z≦0.1 by an atom ratio) are layered on a surface of a tool body in which at least a cutting edge is made of a cBN sintered body. A layer thickness ratio of the A layer and the B layer (tB/tA) is 2 to 5, an X-ray diffraction intensity ratio I(200)/I(111) as the entire hard coating layer is more than 3 and 12 or less, a full width at half maximum of a peak of I(200) is 0.3 to 1.0, the IA(200)/IA(111) of the A layer is 2 to 10, and a full width at half maximum of the peak of the IA(200) is 0.3 to 1.0.
SURFACE-COATED CUTTING TOOL HAVING EXCELLENT CHIPPING RESISTANCE AND WEAR RESISTANCE
SATO SHUN (Autor:in) / TAKAHASHI MASAKUNI (Autor:in)
21.09.2017
Patent
Elektronische Ressource
Englisch
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