The Role of Antibacterial Metallic Elements in Simultaneously Improving the Corrosion Resistance and Antibacterial Activity of Magnesium Alloys

被引：116
作者：
Lin, Zhensheng [1 ]
Sun, Xiaoting [1 ]
Yang, Huazhe [1 ]
机构：
[1] China Med Univ, Sch Fundamental Sci, Shenyang 110122, Peoples R China
来源：
MATERIALS & DESIGN | 2021年 / 198卷
关键词：
Mg alloys; Antibacterial; Corrosion resistance; Metallic elements; IN-VITRO DEGRADATION; MECHANICAL-PROPERTIES; VIVO CORROSION; MG ALLOYS; BEHAVIOR; SURFACE; ZINC; BIOCOMPATIBILITY; MICROSTRUCTURE; AZ31;
D O I：
10.1016/j.matdes.2020.109350
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnesium-based biodegradable alloys exhibit excellent mechanical properties and bioactivity, which are favorable in the orthopedic applications. In addition, the degradation of Mg alloys results in an alkaline microenvironment which can effectively withstand bacteria. However, the degradation rate of Mg is too fast to sustain the healing process. And enhancement of its corrosion resistance may compromise the antibacterial ability, thus, alloying with antibacterial elements or doping these elements into coatings on Mg and its alloys may be a prospective strategy to combine the corrosion resistance and antibacterial activity together. This review mainly discussed the role of common antibacterial metallic elements in improving the antibacterial properties and corrosion resistance of Mg-based alloys, including sliver (Ag), Zinc (Zn) and Copper (Cu). Besides, the potential antibacterial mechanism of Mg has been proposed systematically. (C) 2020 The Author(s). Published by Elsevier Ltd.
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页数：8
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