CVD and PVD coated cutting tools
US5364209A · kind A · utility
33Cited by
22References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1994 |
| Grant date | Nov 15, 1994 |
| Priority date | — |
| Expiry date | Jan 14, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/27
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is a coated cutting tool having a coating and a substrate. The coating includes at least one chemical vapor deposited (CVD) layer and at least one physical vapor deposited (PVD) layer. The outermost layer of the coating is a PVD layer, containing residual compressive stresses. The substrate is a composite having hard refractory grains bonded together by a binder material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.