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:
Jan. 14, 2025
Filed:
May. 04, 2021
Arconic Technologies Llc, Pittsburgh, PA (US);
Julien Boselli, Pittsburgh, PA (US);
Jen C. Lin, Export, PA (US);
Lynette M. Karabin, Ruffs Dale, PA (US);
Wei Wen, Allison Park, PA (US);
Arconic Technologies LLC, Pittsburgh, PA (US);
Abstract
New 2xxx aluminum alloys having are disclosed. The new 2xxx aluminum alloys generally include 2.5-3.9 wt. % Cu, 0.82-1.20 wt. % Li, 0.5-2.0 wt. % Zn, 0.10-0.60 wt. % Mn, 0.05-0.35 wt. % Mg, from 0.05 to 0.50 wt. % of at least one grain structure control element, wherein the at least one 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 0.22 wt. % Ag, up to 0.15 wt. % Fe, up to 0.12 wt. % Si, and up to 0.15 wt. % Ti, the balance being aluminum, incidental elements and impurities. The new 2xxx aluminum alloys may realize an improved combination of two or more of strength, fracture toughness, elongation, and corrosion resistance.