Multilayer structured coatings for cutting tools
US9365925B2 · kind B2 · utility
2Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2014 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Mar 27, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C28/42
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
In one aspect, cutting tools are described having coatings adhered thereto which, in some embodiments, can demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating having a multilayer structure including a plurality of structural units each comprising a bonding layer and an adjacent alumina layer, the alumina layer having a thickness of less than 0.5 μm and the bonding layer having a thickness less than 1 μm, the bonding layer comprising TiCN and TiAlOC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.