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Peer-reviewedCC BYJournal of Magnesium and Alloys

Grain refinement and corrosion behavior of biodegradable Mg: A review on mechanisms and controversies

  • Jialu Tian1
  • Jiahua Ni1
  • Xiaonong Zhang2,3
  • Xuanyong Liu1,4
  • Wenhui Wang1
4 affiliations
  1. 1Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
  2. 2State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  3. 3Suzhou Origin Medical Technology Co., Ltd., Suzhou 215513, China
  4. 4State Key Laboratory of Advanced Ceramics, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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Abstract

Modifying grain boundaries (GBs) and interfacial structures is a classic and critical strategy for altering the properties of metallic materials. Controlling grain boundaries can significantly improve the mechanical properties, corrosion resistance, and biocompatibility of biodegradable magnesium (Mg) alloys. However, the complex microstructural changes that occur during grain refinement have led to conflicting research findings regarding how GBs influence the corrosion resistance of Mg alloys. Guided by the concept of material plainification and drawing on established microstructural design principles for industrial Mg alloys, this study systematically analyzes the positive and negative roles of grain boundaries, while separately evaluating the effects of accompanying factors, including texture, twins, dislocations, and secondary phases. By integrating these factors, this research proposes a dialectical framework that elucidates how various microstructural factors influence the degradation of Mg alloys during grain refinement. This study not only provides a theoretical basis for resolving the controversy regarding grain refinement and corrosion in biodegradable Mg alloys but also offers a novel approach and practical guidance for designing high-performance, simplified-composition medical Mg alloys based on industrial experience.

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Cite

BibTeXRIS
BibTeX
@article{tian2026grain,
  title = {{Grain refinement and corrosion behavior of biodegradable Mg: A review on mechanisms and controversies}},
  author = {Jialu Tian and Jiahua Ni and Xiaonong Zhang and Xuanyong Liu and Wenhui Wang},
  journal = {Journal of Magnesium and Alloys},
  year = {2026},
  month = may,
  doi = {10.1016/j.jma.2026.102125},
  url = {https://doi.org/10.1016/j.jma.2026.102125},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Grain refinement and corrosion behavior of biodegradable Mg: A review on mechanisms and controversies
AU  - Jialu Tian
AU  - Jiahua Ni
AU  - Xiaonong Zhang
AU  - Xuanyong Liu
AU  - Wenhui Wang
PY  - 2026
DA  - 2026/05/19
JO  - Journal of Magnesium and Alloys
DO  - 10.1016/j.jma.2026.102125
UR  - https://doi.org/10.1016/j.jma.2026.102125
AB  - Modifying grain boundaries (GBs) and interfacial structures is a classic and critical strategy for altering the properties of metallic materials. Controlling grain boundaries can significantly improve the mechanical properties, corrosion resistance, and biocompatibility of biodegradable magnesium (Mg) alloys. However, the complex microstructural changes that occur during grain refinement have led to conflicting research findings regarding how GBs influence the corrosion resistance of Mg alloys. Guided by the concept of material plainification and drawing on established microstructural design principles for industrial Mg alloys, this study systematically analyzes the positive and negative roles of grain boundaries, while separately evaluating the effects of accompanying factors, including texture, twins, dislocations, and secondary phases. By integrating these factors, this research proposes a dialectical framework that elucidates how various microstructural factors influence the degradation of Mg alloys during grain refinement. This study not only provides a theoretical basis for resolving the controversy regarding grain refinement and corrosion in biodegradable Mg alloys but also offers a novel approach and practical guidance for designing high-performance, simplified-composition medical Mg alloys based on industrial experience.
SN  - 2213-9567
ER  -