Thermal barrier coating/environmental barrier coating system for a ceramic-matrix composite (CMC) article to improve high temperature capability
US7364807B2 · kind B2 · utility
3Cited by
29References
37Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 6, 2004 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | May 15, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/611
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In accordance with an embodiment of the invention, an article is provided. The article comprises a substrate comprised of silicon containing material, an environmental barrier coating (EBC) overlying the substrate and a thermal barrier coating (TBC) on the environmental barrier coating. The thermal barrier coating comprising a compound having a rhombohedral phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.