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A platform for research: civil engineering, architecture and urbanism
COATED PCBN CUTTING TOOLS
The present invention provides a coated sintered body which can be used in precious machining hardened steel. The coated PCBN cutting tool comprises a substrate which contains not less than 35 volume % and not more than 85 volume % of CBN, and a hard coated layer formed on the substrate. The hard coated layer comprises at least one compound layer consisting of at least one element selected from a group of 4a, 5a, 6a elements of the periodic table and Al, and at least one element selected from a group of C, N and O. The thickness of the layer is not less than 0.3 mu m and not more than 10 mu m. The center line mean roughness of the hard coated layer is not more than 0.1 mu m.
COATED PCBN CUTTING TOOLS
The present invention provides a coated sintered body which can be used in precious machining hardened steel. The coated PCBN cutting tool comprises a substrate which contains not less than 35 volume % and not more than 85 volume % of CBN, and a hard coated layer formed on the substrate. The hard coated layer comprises at least one compound layer consisting of at least one element selected from a group of 4a, 5a, 6a elements of the periodic table and Al, and at least one element selected from a group of C, N and O. The thickness of the layer is not less than 0.3 mu m and not more than 10 mu m. The center line mean roughness of the hard coated layer is not more than 0.1 mu m.
COATED PCBN CUTTING TOOLS
Beschichtete PCBN-Schneidewerzeuge
Outils de coupe en PCBN revêtus
OTA MICHIKO (author) / FUKAYA TOMOHIRO (author) / SHIRAISHI JUNICHI (author) / NAKAI TETSUO (author) / OHARA HISANORI (author) / FUKUI HARUYO (author)
2022-10-26
Patent
Electronic Resource
English
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