Oxide coated cutting tool
US5487625A · kind A · utility
72Cited by
16References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1993 |
| Grant date | Jan 30, 1996 |
| Priority date | — |
| Expiry date | Nov 30, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/27
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A coated cutting tool body is coated with one or several refractory layers of which at least one layer is a dense, fine-grained layer of .alpha.-Al.sub.2 O.sub.3 preferably textured in the (012) direction. The coated tool according to the present invention exhibits excellent surface finish and shows much improved wear and toughness properties compared to prior art objects when used for machining steel, cast iron and, particularly, when machining nodular cast iron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.