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.

Date of Patent:
Oct. 22, 2024

Filed:

Aug. 12, 2021
Applicant:

Howmet Aerospace Inc., Pittsburgh, PA (US);

Inventors:

Jen C. Lin, Export, PA (US);

Wei Wen, Allison Park, PA (US);

Santosh Prasad, Murrysville, PA (US);

Mark D. Crowley, Pittsburgh, PA (US);

Gabriele F. Ciccola, Hudson, OH (US);

Matthew C. Brest, Hudson, OH (US);

Assignee:

Howmet Aerospace Inc., Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/08 (2006.01); B22D 21/00 (2006.01); B22F 3/24 (2006.01); C22F 1/047 (2006.01);
U.S. Cl.
CPC ...
C22C 21/08 (2013.01); B22D 21/007 (2013.01); B22F 3/24 (2013.01); C22F 1/047 (2013.01); B22F 2003/242 (2013.01);
Abstract

New aluminum alloys having magnesium and zinc are disclosed. The new magnesium-zinc aluminum alloys may include from 2.5 to 4.0 wt. % Mg, from 2.25 to 4.0 wt. % Zn, wherein (wt. % Mg/wt. % Zn)≥1.0, and wherein (wt. % Mg/wt. % Zn)≤1.6, from 0.20 to 0.9 wt. % Mn, from 0.10 to 0.40 wt. % Cu, up to 1.0 wt. % Li, up to 0.50 wt. % Fe, up to 0.50 wt. % Si, and optional secondary element(s), the balance being aluminum, optional incidental elements and impurities.


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