| 摘要 |
New 2xxx aluminum lithium alloys are disclosed. The aluminum alloys include 3.5 - 4.4 wt. % Cu, 0.45 - 0.75 wt. % Mg, 0.45 - 0.75 wt. % Zn, 0.65 - 1.15 wt. % Li, 0.1 - 1.0 wt. % Ag, 0.05 - 0.50 wt. % of at least one grain structure control element, up to 1.0 wt. % Mn, up to 0.15 wt. % Ti, up to 0.12 wt. % Si, up to 0.15 wt. % Fe, up to 0.10 wt. % of any other element, with the total of these other elements not exceeding 0.35 wt. %, the balance being aluminum. |
