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1. WO2022000893 - RARE EARTH ELEMENT-FREE ALUMINUM ALLOY FOR 3D PRINTING

Publication Number WO/2022/000893
Publication Date 06.01.2022
International Application No. PCT/CN2020/125160
International Filing Date 30.10.2020
IPC
C22C 21/06 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
06with magnesium as the next major constituent
C22C 21/00 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
B33Y 70/00 2020.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
70Materials specially adapted for additive manufacturing
CPC
B33Y 70/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
70Materials specially adapted for additive manufacturing
C22C 21/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
C22C 21/06
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
06with magnesium as the next major constituent
Applicants
  • 中国工程物理研究院机械制造工艺研究所 INSTITUTE OF MACHINERY MANUFACTURING TECHNOLOGY CHINA ACADEMY OF ENGINEERING PHYSICS [CN]/[CN]
Inventors
  • 王国伟 WANG, Guowei
  • 沈显峰 SHEN, Xianfeng
  • 杨家林 YANG, Jialin
  • 王利利 WANG, Lili
  • 葛继强 GE, Jiqiang
  • 张圣旺 ZHANG, Shengwang
  • 黄姝珂 HUANG, Shuke
  • 陈金明 CHEN, Jinming
Agents
  • 成都行之专利代理事务所(普通合伙) CHENGDU XINGZHI PATENT AGENCY (ORDINARY PARTNERSHIP)
Priority Data
202010631377.203.07.2020CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) RARE EARTH ELEMENT-FREE ALUMINUM ALLOY FOR 3D PRINTING
(FR) ALLIAGE D'ALUMINIUM EXEMPT D'ÉLÉMENTS DE TERRES RARES POUR IMPRESSION 3D
(ZH) 一种无稀土元素的3D打印用铝合金
Abstract
(EN) A rare earth element-free aluminum alloy for 3D printing, comprising the following components in percentage by weight: Mn: 2.5%-4.5%, Mg: 1.5%-9.5%, and the balance of Al and impurity elements; or Mn: 4.5%-6.0% and Mg: 1.5%-7.5%. The alloy can achieve excellent strength or plasticity, and compared with Al-Mg-Sc-Zr aluminum alloys, rare earth resources can be saved and the raw material cost can be greatly reduced.
(FR) Alliage d'aluminium exempt d'éléments de terres rares pour impression 3D, comprenant les constituants suivants, en pourcentages massiques : Mn : de 2,5 % à 4,5 %, Mg : de 1,5 % à 9,5 %, et le reste étant constitué d'Al et d'éléments d'impuretés ; ou Mn : de 4,5 % à 6,0 % et Mg : de 1,5 % à 7,5 %. L'alliage peut obtenir une excellente résistance ou une excellente plasticité, et par rapport à des alliages d'aluminium Al-Mg-Sc-Zr, des ressources de terres rares peuvent être économisées et les coûts liés aux matières premières peuvent être fortement réduits.
(ZH) 一种无稀土元素的3D打印用铝合金,包括以下重量百分比组分:Mn:2.5%~4.5%,Mg:1.5%~9.5%,余量为Al和杂质元素;或Mn:4.5%~6.0%,Mg:1.5%~7.5%。该合金可以实现优异的强度或塑性,与Al-Mg-Sc-Zr类的铝合金相比,可以节约稀土资源并大幅降低原材料成本。
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