Methods for making environmental barrier coatings and ceramic components having CMAS mitigation capability
US8343589B2 · kind B2 · utility
19Cited by
12References
15Claims
0Family size
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Key dates
| Filing date | Dec 19, 2008 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Jan 9, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C28/042
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Methods of making components having calcium magnesium aluminosilicate (CMAS) mitigation capability including providing a component; applying an environmental barrier coating to the component, the environmental barrier coating having a separate CMAS mitigation layer including a CMAS mitigation composition selected from the group consisting of zinc aluminate spinel, alkaline earth zirconates, alkaline earth hafnates, rare earth gallates, beryl, and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.