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CUTTING TOOL MADE OF SURFACE COATED TI SERIES CARBIDE-NITRIDE-BORIDE BASE CERMET EXCELLENT IN ADHESION OF HARD COATED LAYER
CUTTING TOOL MADE OF SURFACE COATED TI SERIES CARBIDE-NITRIDE-BORIDE BASE CERMET EXCELLENT IN ADHESION OF HARD COATED LAYER
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机译:硬质涂层附着力优异的表面涂层TI系列硬质合金-氮化硼-硼化物基陶瓷的切削刀具
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摘要
PURPOSE: To provide a cutting tool made of a surface coated (Ti, M) CNB base cermet excellent in the adhesion of a hard coated layer. ;CONSTITUTION: The objective cutting tool is constituted of a substrate of a (Ti, M) CNB base cermet having a compsn. contg., by weight, 70 to 95% hard dispersed phase essentially consisting of (Ti, M) CNB contg. 0.2 to 4% B, and the balance bonding phase essentially consisting of one or two kinds of Co and Ni and a hard coated layer formed on the surface of the substrate by 0.5 to 20μm average layer thickness and constituted of one kind of single layer or multiple layers of ≥ two kinds among TiC, TiN, TiB2 and TiO2 as well as their solid solution of ≥ two kinds and Al2O3.;COPYRIGHT: (C)1993,JPO&Japio
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