Low stress hard coatings and applications thereof
US9896767B2 · kind B2 · utility
1Cited by
58References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2014 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Apr 9, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x≧0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.