Crucible for melting super-alloys
US4006891A · kind A · utility
2Cited by
1References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 9, 1976 |
| Grant date | Feb 8, 1977 |
| Priority date | — |
| Expiry date | Jul 9, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A crucible for melting a nickel-based superalloy containing one or more of the elements aluminium, titanium and hafnium is made of magnesia grains bonded by tinania, hafnia or yttria. The purity of the magnesia is not less than 97%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.