Review of bioresorbable AZ91, AZ31 and Mg-Zn-Ca implants and their manufacturing methods

Ezhilmaran V.; Suya Prem Anand P.; Kannan SureshSivashanmugam N.Jayakrishna K.Kalusuraman G.

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Review of bioresorbable AZ91, AZ31 and Mg-Zn-Ca implants and their manufacturing methods

机译：Review of bioresorbable AZ91, AZ31 and Mg-Zn-Ca implants and their manufacturing methods

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In this paper, the magnesium alloys, such as AZ91, AZ31 and Mg-Zn-Ca are reviewed for the bioimplants application. A perspective of controlling the high degradation rate of Mg alloys is discussed by alloying, manufacturing methods, surface coating and surface treatment. The major constraint while using magnesium as an implant is the stress-shielding effect, which can be resolved by producing the Mg implant with Young's modulus closer to the cortical bones. The latest development for minimising the stress-shielding effect is by creating a porous magnesium scaffold although a change in fatigue resistance is unavoidable. The influence of manufacturing methods, such as die-casting, powder metallurgy, rolling and additive manufacturing is also discussed on the mechanical strength and degradation behaviour.

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《Materials Science and Technology: MST: A publication of the Institute of Metals》 |2023年第8期|901-925|共25页
作者
Ezhilmaran V.; Suya Prem Anand P.; Kannan SureshSivashanmugam N.Jayakrishna K.Kalusuraman G.;
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作者单位

VIT Univ;

SRM Inst Sci & Technol;

Rajalakshmi Inst TechnolKalasalingam Acad Res & EducMepco Schlenk Engn Coll;

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原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
Magnesium; bioimplant; biomaterials; additive manufacturing; tribology; AZ91; AZ31; Mg-Zn-Ca; MAGNESIUM ALLOY; CORROSION BEHAVIOR; MECHANICAL-PROPERTIES; IN-VITRO; BIO-CORROSION; BIODEGRADABLE MAGNESIUM; ELECTROPHORETIC DEPOSITION; PROCESSING PARAMETERS; IMPROVING CORROSION; PHOSPHATE COATINGS;

Review of bioresorbable AZ91, AZ31 and Mg-Zn-Ca implants and their manufacturing methods

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