Oxidation protective coating for refractory metals
US6214474A · kind A · utility
16Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1998 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Oct 26, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/937
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a parent substance consisting of a high-melting point metal and an oxidation protective coating made of silicides or aluminides. In accordance with the invention, a reaction barrier layer is placed between the parent substance and the oxidation protective coating, and the oxidation protective coating is alloyed with one or more metals selected from group consisting of molybdenum, niobium, tantalum, and hafnium in a total proportion of 2 to 35 at. %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.