Thermal barrier coating utilizing a dispersion strengthened metallic bond coat
US7166372B2 · kind B2 · utility
7Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2004 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Aug 19, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/26
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to an overlay coating which has improved strength properties. The overlay coating comprises a deposited layer of MCrAlY material containing discrete nitride particles therein. The nitride particles are present in a volume fraction in the range of 0.1% to 15.0% and have a particle size in the range of from 0.1 microns to 10.0 microns. The coating may also have oxide particles dispersed therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.