	US 11,753,085 B2
	Assembly of an aluminum component and of a press hardened steel part having an alloyed coating comprising silicon, iron, zinc and magnesium, the balance being aluminum
Tiago Machado Amorim, Longeville les Metz (FR); Stephane Morel, Metz (FR); Laurence Dosdat, Rozerieulles (FR); and Astrid Gregoire, Amneville (FR)
Assigned to ArcelorMittal, Luxembourg (LU)
Appl. No. 17/602,230
Filed by ArcelorMittal, Luxembourg (LU)
PCT Filed Apr. 3, 2020, PCT No. PCT/IB2020/053192 § 371(c)(1), (2) Date Oct. 7, 2021, PCT Pub. No. WO2020/208489, PCT Pub. Date Oct. 15, 2020.
Claims priority of application No. PCT/IB2020/053192 (WO), filed on Apr. 3, 2020.
Prior Publication US 2022/0177051 A1, Jun. 9, 2022
Int. Cl. B32B 15/01 (2006.01); B62D 29/00 (2006.01); B21D 35/00 (2006.01); B21D 39/00 (2006.01); B21D 53/88 (2006.01); B60R 19/03 (2006.01); B62D 25/04 (2006.01); B62D 25/06 (2006.01); B62D 25/14 (2006.01); B62D 25/20 (2006.01); C21D 1/673 (2006.01); C21D 9/00 (2006.01); C21D 9/50 (2006.01); C22C 21/00 (2006.01); C23C 2/12 (2006.01); C23C 2/26 (2006.01)

CPC B62D 29/007 (2013.01) [B21D 35/005 (2013.01); B21D 39/00 (2013.01); B21D 53/88 (2013.01); B32B 15/012 (2013.01); B60R 19/03 (2013.01); B62D 25/04 (2013.01); B62D 25/06 (2013.01); B62D 25/145 (2013.01); B62D 25/20 (2013.01); C21D 1/673 (2013.01); C21D 9/0068 (2013.01); C21D 9/50 (2013.01); C22C 21/00 (2013.01); C23C 2/12 (2013.01); C23C 2/26 (2013.01); C21D 2261/00 (2013.01)]

13 Claims

1. An assembly comprising:

an aluminum-based element; and

a press-hardened steel part having an alloyed coating provided on at least one of the surfaces of the hardened steel part, the alloyed coating comprising in weight percent, 0.1 to 15.0% silicon, 15.0 to 70% of iron, 0.1 to 20.0% of zinc, 0.1 to 4.0% of magnesium, a balance being aluminum, inevitable impurities and optionally one or more additional elements selected from the group consisting of Sb, Pb, Ti, Ca, Mn, Sn, La, Ce, Sr, Cr, Ni and Bi, the hardened steel part being joined to the aluminum-based element.