US 12,246,379 B2
Method for manufacturing an aluminium alloy part by additive manufacturing and aluminium alloy part obtained according to the method
Mathieu Opprecht, Grenoble (FR); Jean-Paul Garandet, Grenoble (FR); Fernando Lomello, Grenoble (FR); Guilhem Roux, Grenoble (FR); and Mathieu Soulier, Grenoble (FR)
Assigned to COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, Paris (FR)
Appl. No. 17/595,164
Filed by COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, Paris (FR)
PCT Filed Apr. 30, 2020, PCT No. PCT/EP2020/062126
§ 371(c)(1), (2) Date Nov. 10, 2021,
PCT Pub. No. WO2020/229197, PCT Pub. Date Nov. 19, 2020.
Claims priority of application No. 1904930 (FR), filed on May 13, 2019.
Prior Publication US 2022/0212258 A1, Jul. 7, 2022
Int. Cl. B22F 10/28 (2021.01); B22F 10/34 (2021.01); B22F 10/36 (2021.01); B22F 10/64 (2021.01); B23K 15/00 (2006.01); B23K 26/342 (2014.01); B23K 103/10 (2006.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01)
CPC B22F 10/28 (2021.01) [B22F 10/34 (2021.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B22F 10/36 (2021.01); B22F 10/64 (2021.01); B22F 2301/052 (2013.01); B22F 2302/25 (2013.01); B22F 2304/10 (2013.01); B23K 15/0086 (2013.01); B23K 26/342 (2015.10); B23K 2103/10 (2018.08); B33Y 80/00 (2014.12)] 14 Claims
OG exemplary drawing
 
1. A method for manufacturing an aluminium alloy part by additive manufacturing, comprising a step during which a layer of a mixture of powders is locally melted and then solidified, wherein the mixture of powder comprises:
first particles comprising at least 80% by mass aluminium and up to 20% by mass one or more additional elements, and
second particles of yttrium oxide.