US 12,305,289 B2
Preparation of 7XXX aluminum alloys for adhesive bonding
June M. Epp, Pittsburgh, PA (US); and Ali Unal, Export, PA (US)
Assigned to Arconic Technologies LLC, Pittsburgh, PA (US)
Filed by ARCONIC TECHNOLOGIES LLC, Pittsburgh, PA (US)
Filed on Apr. 26, 2022, as Appl. No. 17/730,034.
Application 17/730,034 is a division of application No. 16/725,129, filed on Dec. 23, 2019, granted, now 11,346,004.
Application 16/725,129 is a continuation of application No. PCT/US2018/039789, filed on Jun. 27, 2018.
Claims priority of provisional application 62/526,247, filed on Jun. 28, 2017.
Prior Publication US 2022/0251710 A1, Aug. 11, 2022
Int. Cl. B23K 26/361 (2014.01); B23K 26/352 (2014.01); B23K 26/36 (2014.01); B23K 26/362 (2014.01); B23K 26/40 (2014.01); C09J 5/02 (2006.01); C23C 22/56 (2006.01); C23C 22/73 (2006.01); B23K 103/10 (2006.01)
CPC C23C 22/56 (2013.01) [B23K 26/3584 (2018.08); B23K 26/36 (2013.01); B23K 26/361 (2015.10); B23K 26/362 (2013.01); B23K 26/40 (2013.01); C09J 5/02 (2013.01); C23C 22/73 (2013.01); B23K 2103/10 (2018.08); C09J 2301/416 (2020.08); C09J 2400/166 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An automotive aluminum alloy sheet product comprising:
an outer surface;
wherein the outer surface comprises a first zone and a second zone;
wherein the first zone comprises a plurality of ablation pits;
wherein the second zone is absent of ablation pits;
wherein the automotive aluminum alloy sheet product comprises a matrix and a surface oxide layer overlaying the matrix,
wherein at least a portion of the outer surface is formed by the surface oxide layer,
wherein the automotive aluminum alloy sheet product is suitable for a vehicle component.