US 11,987,858 B2
Homogenizing heterogeneous foils for light alloy metal parts
Nicholas Mykulowycz, Boxford, MA (US); Alison Forsyth, Somerville, MA (US); Alan Lai, Cambridge, MA (US); and Lyle Cheatham, Marblehead, MA (US)
Assigned to Alloy Enterprises Inc., Burlington, MA (US)
Filed by Alloy Enterprises, Inc., Burlington, MA (US)
Filed on Aug. 25, 2023, as Appl. No. 18/238,236.
Application 18/238,236 is a division of application No. 18/131,658, filed on Apr. 6, 2023, granted, now 11,807,912.
Application 18/131,658 is a continuation of application No. PCT/US2021/065196, filed on Dec. 27, 2021.
Application PCT/US2021/065196 is a continuation in part of application No. PCT/US2021/036770, filed on Jun. 10, 2021.
Application PCT/US2021/036770 is a continuation in part of application No. PCT/US2021/030879, filed on May 5, 2021.
Claims priority of provisional application 63/257,091, filed on Oct. 18, 2021.
Claims priority of provisional application 63/131,285, filed on Dec. 28, 2020.
Prior Publication US 2023/0399714 A1, Dec. 14, 2023
Int. Cl. C21D 9/46 (2006.01); B32B 15/01 (2006.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); C22C 1/04 (2023.01); C22C 21/02 (2006.01); C22C 21/08 (2006.01); C22C 21/10 (2006.01); C22C 21/14 (2006.01); C22C 21/16 (2006.01); C22F 1/00 (2006.01); C22F 1/043 (2006.01); C22F 1/053 (2006.01); C22F 1/057 (2006.01); B23K 20/00 (2006.01); B32B 7/02 (2019.01)
CPC C21D 9/46 (2013.01) [B32B 15/016 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); C22C 1/04 (2013.01); C22C 21/02 (2013.01); C22C 21/08 (2013.01); C22C 21/10 (2013.01); C22C 21/14 (2013.01); C22C 21/16 (2013.01); C22F 1/002 (2013.01); C22F 1/043 (2013.01); C22F 1/053 (2013.01); C22F 1/057 (2013.01); B23K 20/002 (2013.01); B32B 7/02 (2013.01); B32B 2250/03 (2013.01); B32B 2307/7376 (2023.05); B32B 2311/24 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A cladded foil comprising:
a core comprising a balance of Al and between 1.6-2.0 wt. % Cu, between 1.5-1.9 wt. % Mg, and between 5.4-5.7 wt. % Zn; and
a cladding comprising a balance of Al and between 3.0-3.2 wt. % Cu, between 2.8-3.2 wt. % Mg, and between 6.5-7.0 wt. % Zn,
wherein the combined thickness of the core and the cladding is less than 1 mm.