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A platform for research: civil engineering, architecture and urbanism
SURFACE-COATED BORON NITRIDE SINTERED BODY TOOL
A surface-coated boron nitride sintered body tool includes a cubic boron nitride sintered body and a coating film formed thereon. The coating film includes an A layer and a C layer. The A layer is formed of Ti1-xaMaxaC1-yaNya (where Ma is one or more of Cr, Nb and W; 0≦xa≦0.7; 0≦ya≦1). The C layer is formed of Al1-(xc+yc)CrxcMcycN (where Mc is one or more of Ti, V and Si; 0.2≦xc≦0.8; 0≦yc≦0.6; 0.2≦xc+yc≦0.8). The A layer is formed on an outermost surface of the coating film or between the outermost surface of the coating film and the C layer. A distance between the outermost surface of the coating film and an upper surface of the C layer is 0.1 μm or more and 1.0 μm or less.
SURFACE-COATED BORON NITRIDE SINTERED BODY TOOL
A surface-coated boron nitride sintered body tool includes a cubic boron nitride sintered body and a coating film formed thereon. The coating film includes an A layer and a C layer. The A layer is formed of Ti1-xaMaxaC1-yaNya (where Ma is one or more of Cr, Nb and W; 0≦xa≦0.7; 0≦ya≦1). The C layer is formed of Al1-(xc+yc)CrxcMcycN (where Mc is one or more of Ti, V and Si; 0.2≦xc≦0.8; 0≦yc≦0.6; 0.2≦xc+yc≦0.8). The A layer is formed on an outermost surface of the coating film or between the outermost surface of the coating film and the C layer. A distance between the outermost surface of the coating film and an upper surface of the C layer is 0.1 μm or more and 1.0 μm or less.
SURFACE-COATED BORON NITRIDE SINTERED BODY TOOL
TSUKIHARA NOZOMI (author) / SETOYAMA MAKOTO (author) / OKAMURA KATSUMI (author)
2016-09-15
Patent
Electronic Resource
English