US 12,377,463 B2
Method for manufacturing an aluminum alloy part
Bechir Chehab, Voiron (FR)
Assigned to C-TEC CONSTELLIUM TECHNOLOGY CENTER, Voreppe (FR)
Appl. No. 17/424,285
Filed by C-TEC CONSTELLIUM TECHNOLOGY CENTER, Voreppe (FR)
PCT Filed Jan. 24, 2020, PCT No. PCT/FR2020/050108
§ 371(c)(1), (2) Date Jul. 20, 2021,
PCT Pub. No. WO2020/095009, PCT Pub. Date May 14, 2020.
Claims priority of application No. 1900598 (FR), filed on Jan. 24, 2019; and application No. 1908684 (FR), filed on Jul. 30, 2019.
Prior Publication US 2022/0088681 A1, Mar. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C22C 21/00 (2006.01); B22F 3/24 (2006.01); B22F 10/22 (2021.01); B22F 10/28 (2021.01); B22F 10/64 (2021.01); B23K 26/342 (2014.01); B33Y 10/00 (2015.01); B33Y 40/20 (2020.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); C22C 21/06 (2006.01); C22F 1/04 (2006.01); C22F 1/047 (2006.01); B22F 10/25 (2021.01); B22F 10/66 (2021.01)
CPC B22F 3/24 (2013.01) [B22F 10/22 (2021.01); B22F 10/28 (2021.01); B22F 10/64 (2021.01); B23K 26/342 (2015.10); B33Y 10/00 (2014.12); B33Y 40/20 (2020.01); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C22C 21/00 (2013.01); C22C 21/06 (2013.01); C22F 1/04 (2013.01); C22F 1/047 (2013.01); B22F 10/25 (2021.01); B22F 10/66 (2021.01); B22F 2301/052 (2013.01)] 14 Claims
 
1. A powder, intended to be used as a filler material of an additive manufacturing method, comprising an aluminum alloy, consisting of the following alloy elements (weight %):
Zr: 0.5% to 2.5%, optionally 0.8 to 2.5%, more optionally 1 to 2.5%, optionally 1.3 to 2.5%, optionally 0.5 to 2%, optionally 0.6 to 1.8%, optionally 0.6 to 1.6%, optionally 0.7 to 1.5%, optionally 0.8 to 1.5%, optionally 0.9 to 1.5%, optionally 1 to 1.4%;
Fe: 0.5% to 2.5%, optionally 0.8 to 2.5%, optionally 0.8 to 2%, optionally 0.8 to 1.2, or optionally 1.5 to 2.5%, optionally 1.6 to 2.4%, optionally 1.7 to 2.3%;
optionally Si: ≤0.3%, optionally ≤0.2%, optionally ≤0.1%;
optionally Cu: ≤0.5%, optionally 0.05 to 0.5%, optionally 0.1 to 0.4%;
optionally Mg: ≤0.2%, optionally ≤0.1%, optionally <0.05%;
other alloy elements <0.1% individually, and <0.5% all in all, wherein the other alloy elements are selected from the group consisting of: Cr, V, Ti, Mn, Mo, W, Nb, Ta, Sc, Ni, Zn, Hf, Nd, Ce, Co, La, Ag, Li, Y, Yb, Er, Sn, In, Sb, Sr, Ba, Bi, Ca, P, B and a mischmetal;
impurities: <0.05% individually, and <0.15% all in all;
remainder aluminum.