Aluminium alloys
US4584173A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1984 |
| Grant date | Apr 22, 1986 |
| Priority date | — |
| Expiry date | Oct 9, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C21/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An aluminium base alloy having a composition within the following ranges in weight percent: ______________________________________ Lithium 2.1-2.9 Magnesium 3.0-5.5 Copper 0.2-0.7 and ______________________________________ one or more constituents selected from the group consisting of Zirconium, Hafnium and Niobium as follows: ______________________________________ Zirconium 0.05-0.25 Hafnium 0.10-0.50 Niobium 0.05-0.30 and Zinc 0-2.0 Titanium 0-0.5 Manganese 0-0.5 Nickel 0-0.5 Chromium 0-0.5 Germanium 0-0.2 Aluminium Remainder (apart from incidental impurities). ______________________________________
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.