Surface-coated cutting tool
US9457407B2 · kind B2 · utility
3Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2013 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | May 27, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A surface-coated cutting tool of the present invention includes a base material and a coating formed on the base material, the coating includes one or two or more layers, a layer among these layers that abuts on the base material is a TiN layer, the TiN layer contains at least one element together with TiN, the element has a concentration distribution in a thickness direction of the TiN layer, and the concentration distribution includes a region where the concentration of the element decreases in a direction from the base material toward a surface of the coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.