(19)
(11) EP 4 635 651 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
21.01.2026 Bulletin 2026/04

(43) Date of publication:
22.10.2025 Bulletin 2025/43

(21) Application number: 23833901.4

(22) Date of filing: 20.10.2023
(51) International Patent Classification (IPC): 
B22F 9/08(2006.01)
C22C 1/04(2023.01)
C22C 1/02(2006.01)
B33Y 70/00(2020.01)
C22C 21/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 1/0416; B33Y 70/00; B22F 9/082; C22C 21/00; B22F 2998/10
 
C-Sets:
B22F 2998/10, C22C 1/0416, B22F 9/082, B22F 10/25;
(86) International application number:
PCT/RU2023/050248
(87) International publication number:
WO 2024/128937 (20.06.2024 Gazette 2024/25)
(84) Designated Contracting States:
AL CH GB IS LI MC ME MK NO RS SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 12.12.2022 RU 2022132368

(71) Applicant: Obshchestvo S Ogranichennoj Otvetstvennost'Yu "Institut Legkikh Materialov I Tekhnologij"
Moscow 119049 (RU)

(72) Inventors:
  • MANN, Viktor Khrist'yanovich
    g. Krasnoyarsk, 660111 (RU)
  • RYABOV, Dmitrij Konstantinovich
    g. Krasnoyarsk, 660111 (RU)
  • VAKHROMOV, Roman Olegovich
    g. Krasnoyarsk, 660111 (RU)
  • GRUSHIN, Ivan Alekseevich
    g. Krasnoyarsk, 660111 (RU)

(74) Representative: Atalay, Baris 
Alfa Patent Stan Advoka Ltd. Co. Dumen Sok Gumussuyu Is Merkezi, No: 11, Kat: 4
34427 Beyoglu/Istanbul
34427 Beyoglu/Istanbul (TR)

   


(54) ALUMINIUM MATERIAL FOR ADDITIVE MANUFACTURING AND ITEM MADE OF SAID MATERIAL


(57) The invention relates to metallurgy, in particular to aluminum-based alloys used to produce powders for additive manufacturing, including selective laser melting. The aluminum powder alloy comprises (in wt.%): 0.3-1.5 iron, 0.35-2.6 cerium, and 0.15-0.4 titanium; 0.2-2.0 at least one element from group A comprising manganese, lanthanum and yttrium (in total or individually); 0.6-1.5 at least one element from group B comprising zirconium, vanadium, chromium, hafnium and scandium (in total or individually); optionally: 3-60 ppm hydrogen and 1.5-4.5 magnesium; and aluminum and unavoidable impurities, including 0.2 max. silicon, 0.05 max. copper and 0.05 max. zinc.