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US 11,852,078 B2Granted
Reflective coating and coating process therefor
AssigneeRtx Corporation
InventorsBrian T. Hazel, Alan C. Barron, Mary Catherine Gurak
Life of this patent
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Abstract
A process for coating a component includes applying a bond coat on a substrate of a component; applying a thermal barrier material to the bond coat; and applying a conforming reflective layer to the thermal barrier material, the conforming reflective layer conforming to porous microstructure of the ceramic coating.
Claims12
A gas turbine engine component, comprising:
- a substrate;
- a ceramic coating comprising a thermal barrier material on the substrate;
- and
- an optically opaque oxidation resistant conforming reflective layer conforming to a porous microstructure of the ceramic coating, the conforming reflective layer comprising a platinum group metal on the thermal barrier material in an interconnected porosity of the ceramic coating, the optically opaque oxidation resistant conforming reflective layer having a melting point higher than a use temperature of the ceramic coating to reduce radiation heat transport of the ceramic coating, wherein the conforming reflective layer penetrates to a depth 20 times a depth of a gap opening of the porous microstructure.
1 more element
A gas turbine engine component, comprising:
- a substrate;
- a ceramic coating comprising a thermal barrier material on the substrate;
- and
- an optically opaque oxidation resistant conforming reflective layer conforming to a porous microstructure of the ceramic coating, the conforming reflective layer comprising a platinum group metal on the thermal barrier material in an interconnected porosity of the ceramic coating, the optically opaque oxidation resistant conforming reflective layer having a melting point higher than a use temperature of the ceramic coating to reduce radiation heat transport of the ceramic coating, wherein the conforming reflective layer penetrates to a depth from one-quarter to three-quarters the way down the porous microstructure toward the substrate.
1 more element
Dependencies are inferred from the claim text.