US 12,252,770 B2
ECAE processing for high strength and high hardness aluminum alloys
Stephane Ferrasse, Spokane, WA (US); Frank C. Alford, Spokane Valley, WA (US); Susan D. Strothers, Mead, WA (US); and Patrick Underwood, Spokane, WA (US)
Assigned to Honeywell International Inc, Charlotte, NC (US)
Filed by Honeywell International Inc., Charlotte, NC (US)
Filed on Apr. 5, 2023, as Appl. No. 18/131,075.
Application 18/131,075 is a division of application No. 16/580,905, filed on Sep. 24, 2019.
Claims priority of provisional application 62/750,469, filed on Oct. 25, 2018.
Prior Publication US 2023/0243027 A1, Aug. 3, 2023
Int. Cl. C22F 1/047 (2006.01); B21C 23/00 (2006.01); B21C 23/02 (2006.01); C22C 21/08 (2006.01)
CPC C22F 1/047 (2013.01) [B21C 23/002 (2013.01); C22C 21/08 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A high strength aluminum alloy material comprising:
aluminum as a primary component and at least one of magnesium and silicon as a secondary component at a concentration of at least 0.2% by weight;
a Brinell hardness of at least 90 BHN;
a yield strength of at least 250 MPa;
an ultimate tensile strength of at least 275 MPa; and
a percent elongation of at least 11.5%.