Inventors:
Kevin P. Armanie - Penn Hills PA
G. William Kuhlman - Shaker Heights OH
Roberto J. Rioja - Lower Burrell PA
Amiya K. Chakrabarti - Monroeville PA
Assignee:
Aluminum Company of America - Pittsburgh PA
International Classification:
C22F 104
C22C 2112
Abstract:
Disclosed is a process for forming a recrystallized forged product having low anisotropy or unrecrystallized forged products having high strength comprising providing a body of a lithium-containing aluminum base alloy comprised of 0. 2 to 5 wt. % Li, 0. 05 to 6 wt. % Mg, at least 2. 45 wt. % Cu, 0. 05 to 2 wt. % Zn, 0. 5 wt. % max. Fe, 0. 5 wt. % max. Si, at least one of the elements selected from the group consisting of Cr, V, Sc, Hf, Mn, Ag, In, Ti, Ni, Fe and Zr, with Cr, V, Ti and Zr in the range of 0. 01 to 0. 2 wt. %, Mn, Ni, Fe and Ag in the range of 0. 01 to 1 wt. % and Hf, Sc and In in the range of 0. 01 to 0. 5 wt. %.
