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US 2023/0416157 A1Published application
Environmental barrier coating with thermal properties
AssigneeRaytheon Technologies Corporation
InventorsDavid A. Litton, Richard Wesley Jackson, III, Xia Tang, James T. Beals
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Abstract
An article according to an exemplary embodiment of this disclosure, among other possible things includes a substrate and a barrier layer on the substrate. The barrier layer includes a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix. At least about 10% of the gettering particles are in a crystalline phase. The article also includes a top coat. An article is also disclosed.
Claims20
An article, comprising:
- a substrate;
- and
- a barrier layer on the substrate, the barrier layer including
- a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix, wherein at least about 10% of the gettering particles are in a crystalline phase, and
- a topcoat.
2 more elements
An article, comprising:
- a ceramic matrix composite substrate;
- and
- a barrier layer on the substrate, the barrier layer including
- a bond coat comprising a silicon dioxide matrix, diffusive particles disposed in the matrix, and silicon carbide or silicon oxycarbide gettering particles disposed in the matrix, wherein at least about 10% of the gettering particles are in a crystalline phase, and
- a topcoat.
2 more elements
Dependencies are inferred from the claim text.