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US 12,534,415 B2Granted
Seal coat
AssigneeRtx Corporation
InventorsJun Nable, Ying She
Life of this patent
Estimating the term…
Abstract
A coating for an article includes a seal coat comprising self-healing particles disposed in a seal coat matrix and a bond coat disposed on the seal coat. The bond coat includes a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix. A coating for an article and a method of applying a coating to an article are also disclosed.
Claims18
A coating for an article, comprising:
- a seal coat comprising self-healing particles disposed in a seal coat matrix, wherein the seal coat matrix is silicon carbide;
- and
- a bond coat disposed on the seal coat, the bond coat comprising:
- a matrix;
- diffusive particles disposed in the matrix, and
- gettering particles disposed in the matrix.
3 more elements
A coating for an article, comprising:
- a bond coat disposed on a surface of the article, the bond coat comprising;
- a matrix:
- diffusive particles disposed in the matrix, and
- gettering particles disposed in the matrix;
- and
- a seal coat dispose between the surface of the article and the bond coat, the seal coat comprising:
- a first layer of seal coat matrix material disposed on the surface of the article,
- a layer of self-healing material disposed on the first layer of seal coat matrix material, wherein the self-healing material comprises at least one of silicon boronitrocarbide, aluminum nitride, silicides, MAX phase particles, refractory metals, and combinations thereof, and
- a second layer of seal coat matrix material disposed on the layer of self-healing material.
6 more elements
A method of applying a coating to an article comprising:
- applying a bond coat over a seal coat disposed on an article, the bond coat comprising, a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix, and the seal coat comprising a seal coat matrix material and a self-healing material, wherein the seal coat matrix is silicon carbide.
Dependencies are inferred from the claim text.