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Surface-coated cutting tool that includes chipping resistance the hard coating layer is excellent , the fracture resistance
Surface-coated cutting tool that includes chipping resistance the hard coating layer is excellent , the fracture resistance
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机译:包括抗崩刃性,硬涂层的表面涂层切削刀具优异,抗断裂性
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摘要
PROBLEM TO BE SOLVED: To provide a surface coated cutting tool with a hard coating layer exhibiting excellent chipping resistance and defect resistance in high-speed intermittent cutting machining.;SOLUTION: In the surface coated cutting tool formed by vapor deposition of the hard coating layer consisting of (a) a lower layer composed of a Ti compound and (b) an upper layer composed of an aluminum oxide layer on the surface of a tool base body consisting of a WC cemented carbide and a TiCN-based cermet, minute holes of diameters of 2-50 nm with the hole diameter distribution having a bimodal distribution are distributed in the upper layer.;COPYRIGHT: (C)2012,JPO&INPIT
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