Bond coat for corrosion resistant EBC for silicon-containing substrate and processes for preparing same
US7354651B2 · kind B2 · utility
31Cited by
56References
20Claims
0Family size
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Key dates
| Filing date | Jun 13, 2005 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Jun 23, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/263
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An article comprising a silicon-containing substrate, a silicide-containing bond coat layer overlying the substrate, and an environmental barrier coating (EBC) overlying the bond coat layer, wherein the EBC comprises a corrosion resistant outer layer comprising a corrosion resistant metal silicate. A process is also provided for forming the corrosion resistant outer layer over the silicide-containing bond coat layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.