Method of producing tungsten chromium carbide-nickel coatings having particles containing three times by weight more chromium than tungsten
US5075129A · kind A · utility
18Cited by
15References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1990 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Nov 30, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C4/06
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A tungsten chromium carbide-nickel coated article and process for producing it in which the coating contains chromium-rich particles having at least 3 times more chromium than tungsten and wherein said chromium-rich particles comprise at least about 4.5 volume percent of the coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.