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Coated cutting tool
A coated cutting tool, comprising: a substrate made of a cubic boron nitride-containing sintered body; and a coating layer formed on the substrate, wherein the cubic boron nitride-containing sintered body includes 65 volume % or more and 85 volume % or less of cubic boron nitride, and 15 volume % or more and 35 volume % or less of a binder phase; the cubic boron nitride is in a form of particles, the particles having an average particle size from 1.5 μm or more to 4.0 μm or less; the coating layer includes a lower layer, and an upper layer formed on the lower layer; the lower layer contains particles each having a composition represented by (Ti1-xAlx)N; the lower layer has an average thickness from 0.1 μm or more to 1.0 μm or less; the particles forming the lower layer have an average particle size from 0.01 μm or more to 0.05 μm or less; the upper layer contains particles each having a composition represented by (Ti1-yAly)(C1-zNz); and the upper layer has an average thickness from 1.0 μm or more to 5.0 μm or less.
Coated cutting tool
A coated cutting tool, comprising: a substrate made of a cubic boron nitride-containing sintered body; and a coating layer formed on the substrate, wherein the cubic boron nitride-containing sintered body includes 65 volume % or more and 85 volume % or less of cubic boron nitride, and 15 volume % or more and 35 volume % or less of a binder phase; the cubic boron nitride is in a form of particles, the particles having an average particle size from 1.5 μm or more to 4.0 μm or less; the coating layer includes a lower layer, and an upper layer formed on the lower layer; the lower layer contains particles each having a composition represented by (Ti1-xAlx)N; the lower layer has an average thickness from 0.1 μm or more to 1.0 μm or less; the particles forming the lower layer have an average particle size from 0.01 μm or more to 0.05 μm or less; the upper layer contains particles each having a composition represented by (Ti1-yAly)(C1-zNz); and the upper layer has an average thickness from 1.0 μm or more to 5.0 μm or less.
Coated cutting tool
NISHIZAWA HIROSATO (author) / METOKI KENJI (author)
2020-10-27
Patent
Electronic Resource
English
IPC:
B23B
Drehen
,
TURNING
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
C04B
Kalk
,
LIME
/
C23C
Beschichten metallischer Werkstoffe
,
COATING METALLIC MATERIAL