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1. CN111560545 - Aluminum alloy without rare earth elements for 3D printing

Office
China
Application Number 202010631377.2
Application Date 03.07.2020
Publication Number 111560545
Publication Date 21.08.2020
Publication Kind A
IPC
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
C22C 21/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
B33Y 70/00
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
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
C22C 21/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
21Alloys based on aluminium
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
Applicants INSTITUTE OF MECHANICAL MANUFACTURING TECHNOLOGY, CHINA ACADEMY OF ENGINEERING PHYSICS
中国工程物理研究院机械制造工艺研究所
Inventors WANG GUOWEI
王国伟
SHEN XIANFENG
沈显峰
YANG JIALIN
杨家林
WANG LILI
王利利
GE JIQIANG
葛继强
ZHANG SHENGWANG
张圣旺
HUANG SHUKE
黄姝珂
CHEN JINMING
陈金明
Agents 成都行之专利代理事务所(普通合伙) 51220
Title
(EN) Aluminum alloy without rare earth elements for 3D printing
(ZH) 一种无稀土元素的3D打印用铝合金
Abstract
(EN) The invention discloses an aluminum alloy without rare earth elements for 3D printing, relates to the technical fields of aluminum alloy and 3D printing, and solves a problem that a high-strength aluminum alloy material without rare earth for 3D printing needs to be urgently developed for meeting the requirements for high-strength aluminum alloy for 3D printing in the fields of civil use and the like. The aluminum alloy comprises the following components in percentage by weight: 2.5% to 4.5% of Mn, 1.5% to 9.5% of Mg and the balance of Al and impurity elements; or 4.5% to 6.0% of Mn and 1.5% to 7.5% of Mg. according to the alloy, the excellent strength or plasticity can be achieved, and compared with the Al-Mg-Sc-Zr aluminum alloy, the rare earth resources can be saved and the raw materialcosts can be greatly reduced.
(ZH) 本发明公开了一种无稀土元素的3D打印用铝合金,涉及铝合金和3D打印技术领域,解决了民用等领域对3D打印用高强铝合金的需求,急需发展出适宜于3D打印的无稀土高强铝合金材料的问题。本发明中所述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%。本发明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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