AccScience Publishing / MSAM / Volume 1 / Issue 4 / DOI: 10.18063/msam.v1i4.24
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Laser additive manufacturing of magnesium alloys and its biomedical applications 

Chuyi Liu1 Chengrong Ling2 Cheng Chen2 Dongsheng Wang3 Youwen Yang1,2* Deqiao Xie4* Cijun Shuai2,5*
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1 College of Mechanical and Electrical Engineering, Jiangxi University of Science and Technology, Ganzhou 341 000, China
2 Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330 013, China
3 Key Laboratory of Construction Hydraulic Robots of Anhui Higher Education Institutes, Tongling University, Tongling 244 061, China
4 College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210 016, China
5 State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410 083, China
Accepted: 23 November 2022 | Published: 22 December 2022
© 2022 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( )

Biomedical magnesium (Mg) alloy with unique biodegradability and excellent biocompatibility is one of the most sought after materials in medical field for orthopedics applications. Nevertheless, the high corrosion rate and inadequate mechanical properties hinder its development. Apart from that, to obtain the best surgical result, the size and shape of the fixation implant need to be adapted to the individual case. Thus, additive manufacturing (AM) processes, such as laser powder bed fusion (LPBF), are used to overcome these issues. This work reviews the recent advancements in biodegradable Mg-based alloys prepared by LPBF for biomedical applications. The influence of feedstock features and manufacturing parameters on the formability and quality is delineated in detail. The mechanical performances, degradation behaviors, and biological behavior of the LPBF-processed parts are discussed. Furthermore, we also made some suggestions for the challenges of Mg alloys in LPBF processing and applications in biomedical.

Magnesium alloy
Additive manufacturing
Biological behavior

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