Al-Zn-Cu-Mg aluminum base alloys and methods of manufacture and use
US8277580B2 · kind B2 · utility
4Cited by
6References
15Claims
0Family size
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Key dates
| Filing date | Feb 10, 2006 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Dec 11, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22F1/053
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A rolled or forged Al—Zn—Cu—Mg aluminum-based alloy wrought product having a thickness from 2 to 10 inches. The product has been treated by solution heat-treatment, quenching and aging, and the product comprises (in weight-%): Zn 6.2-7.2, Mg 1.5-2.4, Cu 1.7-2.1. Fe 0-0.13, Si 0-0.10, Ti 0-0.06, Zr 0.06-0.13, Cr 0-0.04, Mn 0-0.04, Mn 0-0.04, impurities and other incidental elements ≦0.05 each. Alloys per se and aircraft and aerospace uses, as well as methods of making products are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.