Article including environmental barrier coating system
US9133541B2 · kind B2 · utility
14Cited by
28References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 20, 2008 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Aug 21, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C28/42
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An enhanced environmental barrier coating for a silicon containing substrate. The enhanced barrier coating may include a bond coat doped with at least one of an alkali metal oxide and an alkali earth metal oxide. The enhanced barrier coating may include a composite mullite bond coat including BSAS and another distinct second phase oxide applied over said surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.