Kappa-alumina oxide coated carbide body and method of producing the same
US5162147A · kind A · utility
36Cited by
10References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 13, 1990 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Jul 13, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Improved properties of aluminum oxide water layers on cemented carbides and related substrates can be obtained by having the outermost alumina layer in the form of kappa-Al.sub.2 O.sub.3 deposited on a kappa-modification layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.