| CPC B23B 27/148 (2013.01) [C23C 14/0641 (2013.01); C23C 16/36 (2013.01); C23C 16/403 (2013.01); C23C 28/042 (2013.01); C23C 28/044 (2013.01); B23B 2224/04 (2013.01); B23B 2224/32 (2013.01); B23B 2228/10 (2013.01)] | 4 Claims |
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1. A coated tool, comprising a base and a coating layer located on the base, the coated tool comprising a first surface, a second surface adjacent to the first surface, and a cutting edge located on at least a part of a ridge part of the first surface and the second surface, wherein
the coating layer comprises a first coating layer comprising
a first layer comprising Al2O3 particles, and
a second layer located on the first layer,
the second layer comprises, sequentially from a side of the base,
a first film,
a second film in contact with the first film, and
a third film in contact with the second film,
the first film, the second film and the third film individually comprise Ti,
the first film, the second film and the third film individually comprise at least one kind selected from C and N,
the coated tool satisfies a relationship of a first N content>a third N content>a second N content, in which the first N content is an N content in the first film, the second N content is an N content in the second film, and the third N content is an N content in the third film,
the third film comprises C and N, and
N/(C+N) in the third film is 0.7 or more.
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