Page 52 - MSAM-1-4

Materials Science in Additive Manufacturing

REVIEW ARTICLE
Laser additive manufacturing of magnesium

alloys and its biomedical applications

2
3
Chuyi Liu , Chengrong Ling , Cheng Chen , Dongsheng Wang ,
1
2
4
Youwen Yang *, Deqiao Xie *, Cijun Shuai *
2,5
1,2
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

Abstract

Biomedical magnesium (Mg) alloy with unique biodegradability and excellent
biocompatibility is one of the most sought after materials in medical field for
*Corresponding authors: orthopedics applications. Nevertheless, the high corrosion rate and inadequate
Youwen Yang mechanical properties hinder its development. Apart from that, to obtain the best
(yangyouwen@jxust.edu.cn)
Deqiao Xie surgical result, the size and shape of the fixation implant need to be adapted to the
(dqxie@nuaa.edu.cn) individual case. Thus, additive manufacturing (AM) processes, such as laser powder
Cijun Shuai bed fusion (LPBF), are used to overcome these issues. This work reviews the recent
(shuai@csu.edu.cn)
advancements in biodegradable Mg-based alloys prepared by LPBF for biomedical
Citation: Liu C, Ling C, applications. The influence of feedstock features and manufacturing parameters on
Chen C, et al., 2022, Laser additive
manufacturing of magnesium alloys the formability and quality is delineated in detail. The mechanical performances,
and its biomedical applications. degradation behaviors, and biological behavior of the LPBF-processed parts are
Mater Sci Add Manuf, 1(4): 24. discussed. Furthermore, we also made some suggestions for the challenges of Mg
https://doi.org/10.18063/msam.v1i4.24
alloys in LPBF processing and applications in biomedical.
Received: October 30, 2022
Accepted: November 23, 2022 Keywords: Magnesium alloy; Additive manufacturing; Biological behavior; Biomedical
Published Online: December 14,
2022
Copyright: © 2022 Author(s).
This is an Open Access article 1. Introduction
distributed under the terms of the
Creative Commons Attribution 1.1. Potential of magnesium in biomedical applications
License, permitting distribution,
and reproduction in any medium, With the increase in elderly population and the frequent traffic accidents, more and
[1]
provided the original work is more people are suffering from bone defect . At present, statistics shows that the
properly cited. cumulative number of cases exceeds 20 million in China, with an increment of 3 million
[2]
Publisher’s Note: AccScience new cases every year . The regeneration and reconstruction of damaged tissues have
Publishing remains neutral with great strategic importance . Medical metal materials, such as titanium alloys, tantalum
[3]
regard to jurisdictional claims in
published maps and institutional alloys, and stainless steel, are commonly used as implant to replace the damaged parts
[4]
affiliations. in bones due to their excellent mechanical properties and good biocompatibility .
Volume 1 Issue 4 (2022) 1 https://doi.org/10.18063/msam.v1i4.24