Lithium aluminum alloy system
US5133931A · kind A · utility
25Cited by
46References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1990 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Aug 28, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22F1/047
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An aluminum based alloy useful in aircraft and airframe structures which has low density and consists essentially of the following formula: EQU Mg.sub.a Li.sub.b Zn.sub.c Ag.sub.d Al.sub.bal wherein a ranges from 0.5 to 10%, b ranges from 0.5 to 3.0%, c ranges from 0.1 to 5.0%, d ranges from 0.1 to 2.0%, and bal indicates the balance of the alloy is aluminum, with the proviso that the total amount of alloying elements cannot exceed 12.0%, with the further proviso that when a ranges from 7.0 to 10.0%, b cannot exceed 2.5% and c cannot exceed 2.0%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.