Silicate resistant thermal barrier coating with alternating layers
US7972657B2 · kind B2 · utility
7Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2010 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Feb 1, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/506
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A thermal barrier coating system for use on a turbine engine component which reduces sand related distress is provided. The coating system comprises at least one first layer of a stabilized material selected from the group consisting of zirconia, hafnia, and titania and at least one second layer containing at least one of oxyapatite and garnet. Where the coating system comprises multiple first layers and multiple second layers, the layers are formed or deposited in an alternating manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.