Cermet sprayed coating roll with selected porosity and surface roughness
US4912835A · kind A · utility
16Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1988 |
| Grant date | Apr 3, 1990 |
| Priority date | — |
| Expiry date | Sep 27, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2206/82
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A roll for use in rolling process is disclosed. The roll is provided with a sprayed coating of cermet in such a way that a porosity of the sprayed coating of for example a compound of tungsten carbide and cobalt and nickel-chromium cermet is selected less than 1.8% and a surface roughness Rmax of the sprayed coating is selected less than 3.0 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.