Thermally stable thin-film reflective coating and coating process
US12215865B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2022 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | May 1, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23R2900/00018
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.