The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1992
Filed:
Jun. 15, 1990
Kevin P Armanie, Penn Hills, PA (US);
G William Kuhlman, Shaker Heights, OH (US);
Roberto J Rioja, Lower Burrell, PA (US);
Amiya K Chakrabarti, Monroeville, PA (US);
Aluminum Company of America, Pittsburgh, PA (US);
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. %.