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:
Sep. 07, 2021
Filed:
Jun. 22, 2010
Timothy Warner, Voreppe, FR;
Christophe Sigli, Grenoble, FR;
Cedric Gasqueres, Bourgoin-Jallieu, FR;
Armelle Danielou, Les Echelles, FR;
Timothy Warner, Voreppe, FR;
Christophe Sigli, Grenoble, FR;
Cedric Gasqueres, Bourgoin-Jallieu, FR;
Armelle Danielou, Les Echelles, FR;
CONSTELLIUM ISSOIRE, Issoire, FR;
Abstract
The invention relates to a wrought product such as an extruded, rolled and/or forged aluminum alloy-based product, comprising, in weight %: Cu: 3.0-3.9; Li: 0.8-1.3; Mg: 0.6-1.0; Zr: 0.05-0.18; Ag: 0.0-0.5; Mn: 0.0-0.5; Fe+Si≤0.20; Zn≤0.15; at least one element from among: Ti: 0.01-0.15; Sc: 0.05-0.3; Cr: 0.05-0.3; Hf: 0.05-0.5; other elements ≤0.05 each and ≤0.15 total, remainder aluminum. The invention also relates to the process for producing said product. The products according to the invention are particularly useful in the production of thick aluminum products intended for producing structural elements in the aeronautical industry.