Research Progress in High-performance Mg Alloys Prepared by Additive Manufacturing

被引：1
|
作者：
Zheng Y. [1 ,2 ,3 ]
Zhao Z. [2 ,4 ]
Liu W. [5 ]
Yu Z. [3 ]
Niu W. [2 ,4 ]
Lei Y. [2 ,4 ]
Sun R. [2 ,4 ]
机构：
[1] School of Aeronautics and Astronautics, Tiangong University, Tianjin
[2] Tianjin Area Major Laboratory of Advanced Mechatronics Equipment Technology, Tianjin
[3] China Civil Aviation Science and Technology Industrialization Base, Tianjin
[4] School of Mechanical Engineering, Tiangong University, Tianjin
[5] 3D Printing Research & Engineering Technology Center, AECC Beijing Institute of Aeronautical Materials, Beijing
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2024年 / 60卷 / 07期
关键词：
additive manufacturing; mechanical properties; Mg alloys; microstructure; numerical modeling;
D O I：
10.3901/JME.2024.07.385
中图分类号：
学科分类号：
摘要：
Mg alloys have broad application prospects in aerospace, rail transit, new energy, biomedical and other fields. The development of additive manufacturing (AM) technologies has made it possible to form high-performance Mg alloys with complex structures. However, the characteristics of low melting and boiling points, high vapor pressure as well as strong oxidation activity of Mg alloys usually lead to the formation of pores, cracks, inclusions and other defects in the AM-prepared components, which results in the application level of AM-prepared Mg alloys far behind the superalloys, Al alloys, Ti alloys and other materials. Therefore, exploring more suitable AM technologies for Mg alloys and reducing their defects via material modification and process optimization are key solutions to break through the application bottlenecks of AM-prepared Mg alloys. The main AM technologies for Mg alloys include selective laser melting (SLM), wire arc additive manufacturing (WAAM), friction stir additive manufacturing (FSAM) and additive friction stir deposition (AFSD). The research status and technical progress of AM technologies for Mg alloys are reviewed. The numerical simulation results of Mg alloys forming process during different AM technologies are summarized. The effects of key processing parameters of different AM technologies on microstructures and mechanical properties of Mg alloys are comparatively analyzed. The future research directions of AM technologies for Mg alloys are also prospected. © 2024 Chinese Mechanical Engineering Society. All rights reserved.
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页码：385 / 400
页数：15
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