Method of protecting ceramic bodies against mechanical and thermal action
US4828934A · kind A · utility
20Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1986 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Dec 12, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1259
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Ceramic substrates, e.g. of silicon carbide or silicon nitride are protected against mechanical surface wear at high temperatures by an arc coating with a refractory metal followed by coating with another metal and then with a wear-reducing high density layer, e.g. of a metal oxide, nitride or carbide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.