Thermal barrier coating film, turbine member, and thermal barrier coating method
US10947615B2 · kind B2 · utility
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2References
10Claims
0Family size
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Key dates
| Filing date | Sep 13, 2017 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Oct 26, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D5/288
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A thermal barrier coating film includes a bond coat layer that is a metallic bond layer formed on a base material; a topcoat layer that is a ceramic-containing layer formed on the bond coat layer; and at least one of a protective layer and a protective substance. The protective layer is formed on the topcoat layer and mainly contains SrSO4. The protective substance is provided in a plurality of void spaces included in the topcoat layer and mainly contains SrSO4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.