Rhenium-containing protective layer for protecting a component against corrosion and oxidation at high temperatures
US6924046B2 · kind B2 · utility
12Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 2003 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Nov 5, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12986
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A protective layer has the composition 0.5 to 2% of rhenium, 15 to 21% of chromium, 9 to 11.5% of aluminum, 0.05 to 0.7% of yttrium and/or at least one equivalent metal from the group consisting of scandium and the rare earths, 0 to 1% of ruthenium, remainder cobalt and/or nickel and production-related impurities, and is scarcely subject to any embrittlement from Cr/Re precipitations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.