Nickel-base superalloy
US6740292B2 · kind B2 · utility
3Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2003 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Mar 28, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C19/057
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a nickel-base superalloy. The alloy according to the invention is characterized by the following chemical composition (details in % by weight): 7.7-8.3 Cr, 5.0-5.25 Co, 2.0-2.1 Mo, 7.8-8.3 W, 5.8-6.1 Ta, 4.9-5.1 Al, 1.3-1.4 Ti, 0.11-0.15 Si, 0.11-0.15 Hf, 200-750, preferably 200-300 ppm of C, 50-400, preferably 50-100 ppm of B, remainder Ni and production-related impurities. It is distinguished by very good castability and a high resistance to oxidation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.