An Overview on the Effect of Severe Plastic Deformation on the Performance of Magnesium for Biomedical Applications

被引：29

作者：

Medeiros, Mariana P. ^{[1
]}

Lopes, Debora R. ^{[1
]}

Kawasaki, Megumi ^{[2
]}

Langdon, Terence G. ^{[3
]}

Figueiredo, Roberto B. ^{[1
]}

机构：

[1] Univ Fed Minas Gerais, Dept Met & Mat Engn, BR-31270901 Belo Horizonte, MG, Brazil

[2] Oregon State Univ, Sch Mech Ind & Mfg Engn, Corvallis, OR 97331 USA

[3] Univ Southampton, Dept Mech Engn, Mat Res Grp, Southampton SO17 1BJ, England

来源：

MATERIALS | 2023年 / 16卷 / 06期

基金：

美国国家科学基金会; 欧洲研究理事会;

关键词：

biomaterials; corrosion; magnesium; mechanical properties; severe plastic deformation; HIGH-PRESSURE TORSION; STRESS-CORROSION CRACKING; MECHANICAL-PROPERTIES; GRAIN-REFINEMENT; TEXTURE EVOLUTION; CA ALLOY; PURE MG; TEMPERATURE DUCTILITY; CLINICAL-APPLICATIONS; IN-VITRO;

D O I：

10.3390/ma16062401

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

There has been a great interest in evaluating the potential of severe plastic deformation (SPD) to improve the performance of magnesium for biological applications. However, different properties and trends, including some contradictions, have been reported. The present study critically reviews the structural features, mechanical properties, corrosion behavior and biological response of magnesium and its alloys processed by SPD, with an emphasis on equal-channel angular pressing (ECAP) and high-pressure torsion (HPT). The unique mechanism of grain refinement in magnesium processed via ECAP causes a large scatter in the final structure, and these microstructural differences can affect the properties and produce difficulties in establishing trends. However, the recent advances in ECAP processing and the increased availability of data from samples produced via HPT clarify that grain refinement can indeed improve the mechanical properties and corrosion resistance without compromising the biological response. It is shown that processing via SPD has great potential for improving the performance of magnesium for biological applications.

引用

页数：24

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