Nickel base superalloy articles and method for making
US4769087A · kind A · utility
36Cited by
12References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1986 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Jun 2, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22F1/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process is described for converting a fine grain superalloy casting into a forging having mechanical properties equivalent to those resulting from powder metallurgy processing. Cast material is extruded and forged. A HIP treatment is employed to close porosity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.