公开(公告)号：US12123078B2

公开(公告)日：2024-10-22

申请号：US17400429

申请日：2021-08-12

Applicant: HOWMET AEROSPACE INC.

Inventor： Jen C. Lin ,  Wei Wen ,  Santosh Prasad ,  Mark D. Crowley ,  Gabriele F. Ciccola ,  Matthew C. Brest

IPC: C22C21/08 ,  B22D21/00 ,  B22F3/24 ,  C22F1/047

CPC classification number: C22C21/08 ,  B22D21/007 ,  B22F3/24 ,  C22F1/047 ,  B22F2003/242

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.

公开(公告)号：US20220098707A1

公开(公告)日：2022-03-31

申请号：US17400429

申请日：2021-08-12

Applicant: HOWMET AEROSPACE INC.

Inventor： Jen C. Lin ,  Wei Wen ,  Santosh Prasad ,  Mark D. Crowley ,  Gabriele F. Ciccola ,  Matthew C. Brest

IPC: C22C21/08 ,  C22F1/047 ,  B22D21/00 ,  B22F3/24

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.