Thermally stable thin-film reflective coating and coating process
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United States of America
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Feb 4, 2025
Grant Date -
Oct 5, 2023
app pub date -
Apr 5, 2022
filing date -
Apr 5, 2022
priority date (Note) -
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Abstract
A gas turbine engine component having a substrate; a thermal barrier coating on the substrate having a porous microstructure; and a reflective layer conforming to the porous microstructure of the thermal barrier coating, wherein the reflective layer comprises a conforming nanolaminate defined by alternating layers of platinum group metal materials selected from the group consisting of platinum group metal-based alloys, platinum group metal intermetallic compounds, mixtures of platinum group metal with metal oxides and combinations thereof. A capping layer can be added over the reflective layer. A supporting layer can be added between the reflective layer and the thermal barrier coating. A process is also disclosed.
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