Recent developments in coatings on biodegradable Mg alloys: A review

Mg and its alloys show high potential to be applied as implant materials due to their superior properties like biodegradability, bioactivity, biocompatibility, and suitable mechanical behaviors. Nevertheless, the fast and uncontrolled degradation of Mg alloys in biological environment severely restr...

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Main Authors: Jie Yang, Zhihan Zhang, Wenhui Yao, Yulong Wu, Yuyang Gao, Yan Yang, Liang Wu, Maria Serdechnova, Carsten Blawert, Fusheng Pan
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2025-04-01
Series:Journal of Magnesium and Alloys
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Online Access:http://www.sciencedirect.com/science/article/pii/S2213956725000647
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author Jie Yang
Zhihan Zhang
Wenhui Yao
Yulong Wu
Yuyang Gao
Yan Yang
Liang Wu
Maria Serdechnova
Carsten Blawert
Fusheng Pan
author_facet Jie Yang
Zhihan Zhang
Wenhui Yao
Yulong Wu
Yuyang Gao
Yan Yang
Liang Wu
Maria Serdechnova
Carsten Blawert
Fusheng Pan
author_sort Jie Yang
collection DOAJ
description Mg and its alloys show high potential to be applied as implant materials due to their superior properties like biodegradability, bioactivity, biocompatibility, and suitable mechanical behaviors. Nevertheless, the fast and uncontrolled degradation of Mg alloys in biological environment severely restricts their wide applications as biomedical materials. In comparison with alloying, surface coatings can not only improve corrosion resistance but also impart other bio-functional properties to achieve diverse clinical requirements. This review analyzes and summarizes the most recent developments in popular coating technologies, including micro-arc oxidation, electrophoretic deposition, chemical conversion, anodic oxidation, layered double hydroxide, and sol-gel coatings. Considering inevitable damages under complex service conditions, smart self-healing coatings are also introduced in each coating technology. The existing issues and future perspectives are finally discussed to facilitate applications of Mg alloys as biomedical materials in the medical industry.
format Article
id doaj-art-ad28a060a2ed482fac7f7331cadce5b9
institution Kabale University
issn 2213-9567
language English
publishDate 2025-04-01
publisher KeAi Communications Co., Ltd.
record_format Article
series Journal of Magnesium and Alloys
spelling doaj-art-ad28a060a2ed482fac7f7331cadce5b92025-08-20T03:52:07ZengKeAi Communications Co., Ltd.Journal of Magnesium and Alloys2213-95672025-04-011341405142710.1016/j.jma.2025.01.027Recent developments in coatings on biodegradable Mg alloys: A reviewJie Yang0Zhihan Zhang1Wenhui Yao2Yulong Wu3Yuyang Gao4Yan Yang5Liang Wu6Maria Serdechnova7Carsten Blawert8Fusheng Pan9College of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, China; Corresponding authors. College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China.Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, GermanyCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, China; Corresponding authors. College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China.Institute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, GermanyInstitute of Surface Science, Helmholtz-Zentrum Hereon, Geesthacht 21502, GermanyCollege of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaMg and its alloys show high potential to be applied as implant materials due to their superior properties like biodegradability, bioactivity, biocompatibility, and suitable mechanical behaviors. Nevertheless, the fast and uncontrolled degradation of Mg alloys in biological environment severely restricts their wide applications as biomedical materials. In comparison with alloying, surface coatings can not only improve corrosion resistance but also impart other bio-functional properties to achieve diverse clinical requirements. This review analyzes and summarizes the most recent developments in popular coating technologies, including micro-arc oxidation, electrophoretic deposition, chemical conversion, anodic oxidation, layered double hydroxide, and sol-gel coatings. Considering inevitable damages under complex service conditions, smart self-healing coatings are also introduced in each coating technology. The existing issues and future perspectives are finally discussed to facilitate applications of Mg alloys as biomedical materials in the medical industry.http://www.sciencedirect.com/science/article/pii/S2213956725000647Mg alloysBiomedical materialsCoating technologiesDegradation resistanceBio-functional properties
spellingShingle Jie Yang
Zhihan Zhang
Wenhui Yao
Yulong Wu
Yuyang Gao
Yan Yang
Liang Wu
Maria Serdechnova
Carsten Blawert
Fusheng Pan
Recent developments in coatings on biodegradable Mg alloys: A review
Journal of Magnesium and Alloys
Mg alloys
Biomedical materials
Coating technologies
Degradation resistance
Bio-functional properties
title Recent developments in coatings on biodegradable Mg alloys: A review
title_full Recent developments in coatings on biodegradable Mg alloys: A review
title_fullStr Recent developments in coatings on biodegradable Mg alloys: A review
title_full_unstemmed Recent developments in coatings on biodegradable Mg alloys: A review
title_short Recent developments in coatings on biodegradable Mg alloys: A review
title_sort recent developments in coatings on biodegradable mg alloys a review
topic Mg alloys
Biomedical materials
Coating technologies
Degradation resistance
Bio-functional properties
url http://www.sciencedirect.com/science/article/pii/S2213956725000647
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