CPC C22C 1/0416 (2013.01) [B22F 1/00 (2013.01); B22F 10/22 (2021.01); B22F 10/25 (2021.01); B22F 10/28 (2021.01); B22F 10/64 (2021.01); B22F 12/41 (2021.01); B33Y 40/20 (2020.01); B33Y 70/00 (2014.12); C21D 1/18 (2013.01); C22C 21/00 (2013.01); C22C 21/003 (2013.01); C22F 1/04 (2013.01); B22F 2003/248 (2013.01); B22F 2301/052 (2013.01); B22F 2301/205 (2013.01); B22F 2301/35 (2013.01); B22F 2998/10 (2013.01); B33Y 10/00 (2014.12)] | 28 Claims |
1. A process for manufacturing a part comprising a formation of successive solid metal layers, which are superimposed on each other, each layer describing a pattern defined using a digital model (M), each layer being formed by depositing a filler metal, the filler metal being subjected to an energy beam so as to become molten and to constitute, upon solidifying, said solid metal layer, wherein the filler metal takes the form of a powder,
wherein the filler metal is an aluminum alloy comprising at least the following alloy elements:
Fe, according to a mass fraction from 1 to 3.7%;
Zr and/or Hf and/or Er and/or Sc and/or Ti, according to a mass fraction from 0.5 to 4% each if present, and according to a mass fraction less than or equal to 4% in total;
Si, according to a mass fraction from 0 to 4%; and
V, according to a mass fraction from 0 to 4%;
and wherein the aluminum alloy i) comprises no Cu, ii) comprises Mg according to a mass fraction of at most 0.5%, or iii) comprises no Cu and comprises Mg according to a mass fraction of at most 0.5%.
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