Environmental barrier coating with oxygen-scavenging particles having barrier shell
US11692274B2 · kind B2 · utility
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9References
16Claims
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Key dates
| Filing date | Dec 5, 2019 |
| Grant date | Jul 4, 2023 |
| Priority date | — |
| Expiry date | Aug 12, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/259
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A gas turbine engine article includes a substrate and an environmental barrier coating disposed on the substrate. The environmental barrier coating includes oxygen-scavenging particles. Each oxygen-scavenging particle includes a silicon-containing core particle encased in an oxygen barrier shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.