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:
Mar. 03, 2026
Filed:
Feb. 17, 2012
Julien Boselli, Pittsburgh, PA (US);
Roberto J. Rioja, Murrysville, PA (US);
Gregory B. Venema, Bettendorf, IA (US);
Ralph R. Sawtell, Gibsonia, PA (US);
Julien Boselli, Pittsburgh, PA (US);
Roberto J. Rioja, Murrysville, PA (US);
Gregory B. Venema, Bettendorf, IA (US);
Ralph R. Sawtell, Gibsonia, PA (US);
ARCONIC TECHNOLOGIES LLC, Pittsburgh, PA (US);
Abstract
Thick wrought 2xxx aluminum lithium alloy products are disclosed. The wrought aluminum alloy products have a thickness of at least 12.7 mm and contain from 3.00 to 3.80 wt. % Cu, from 0.05 to 0.35 wt. % Mg, from 0.975 to 1.385 wt. % Li, wherein −0.3*Mg−0.15Cu+1.65≤Li≤−0.3*Mg−0.15Cu+1.85, from 0.05 to 0.50 wt. % of at least one grain structure control element, wherein the grain structure control element is selected from the group consisting of Zr, Sc, Cr, V, Hf, other rare earth elements, and combinations thereof, up to 1.0 wt. % Zn, up to 1.0 wt. % Mn, up to 0.12 wt. % Si, up to 0.15 wt. % Fe, up to 0.15 wt. % Ti, 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.