Refractory superalloys
US6071470A · kind A · utility
10Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1996 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | Mar 15, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C5/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Refractory superalloys consist essentially of a primary constituent selected from the group consisting of iridium, rhodium, and a mixture thereof, and one or more additive elements selected from the group consisting of niobium, tantalum, hafnium, zirconium, uranium, vanadium, titanium and aluminum, and the superalloys having a microstructure containing an FCC-type crystalline structure phase and an L1.sub.2 -type crystalline structure phase are precipitated. Preferably the amount of additive element(s) is 2 to 22 atom %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.