Surface-coated tool and method of manufacturing the same |
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| 申请号 | US14909559 | 申请日 | 2015-05-19 | 公开(公告)号 | US09962771B2 | 公开(公告)日 | 2018-05-08 |
| 申请人 | SUMITOMO ELECTRIC HARDMETAL CORP.; | 发明人 | Keizo Tanaka; Hiroki Takeshita; Kazuhiro Hirose; Haruyo Fukui; | ||||
| 摘要 | A surface-coated tool includes a substrate and a coating film formed on the substrate. The coating film includes an alternate layer in which one or more A layers and one or more B layers are alternately stacked. The A layer and the B layer each have a thickness not smaller than 2 nm and not greater than 100 nm. An average composition of the A layer is expressed as TiaAlbSicN (0.5 | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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