Coated cutting insert and method of manufacture thereof
US5863640A · kind A · utility
82Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1996 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Jul 3, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A coated cutting insert particularly useful for intermittent cutting of low alloyed steel. The insert is characterized by a WC-Co-based cemented carbide body having a highly W-alloyed Co-binder phase and a coating including an inner layer of TiC.sub.x N.sub.y O.sub.z with columnar grains and an outer coating of a fine grained, textured .alpha.-Al.sub.2 O.sub.3 -layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.