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Microstructures, Corrosion and Mechanical Properties of Mg–Si Alloys as Biodegradable Implant Materials

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Magnesium Technology 2019

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

Magnesium alloys attracted more and more attentions as biodegradable implant materials because of their properties similar to cortical bone. From the perspective of element biosafety and dietetics, the ideal alloying elements suitable for biodegradable applications should be those essential to or naturally presented in the human body. This study presents a novel aluminum-free magnesium alloy system with Si selected as a major alloying element, due to its superior biocompatibility in biological environment, especially in bone regeneration and repairment. Mg–Si binary alloys with different Si contents were prepared in a permanent mould via gravity casting and direct-chill casting. The microstructures, corrosion properties and mechanical properties were inves- tigated as a function of alloy composition.

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Acknowledgements

The first author would like to acknowledge the Chinese Scholarship Council (CSC) for a scholarship. The research was supported by Key program of China on biomedical materials research and tissue and organ replacement (No. 2016YFC1101804, 2016YFC1100604) and funding from Institute of Metal Research, Chinese Academy of Sciences (No. 2015-ZD01). Sincerest gratitude goes to the colleagues from Magnesium Innovation Centre (HZG) for their technical supports.

Author information

Authors and Affiliations

  1. Institute of Metal Research, Shenyang, 110016, China

    Weidan Wang, Ming Gao, Lili Tan & Ke Yang

  2. Magnesium Innovation Centre (MagIC), Helmholtz-Zentrum Geesthacht, 21502, Geesthacht, Germany

    Weidan Wang, Yuanding Huang & Norbert Hort

  3. University of Chinese Academy of Sciences, Beijing, 100049, China

    Weidan Wang

  4. School of Materials Science and Engineering, University of Science and Technology of China, Shenyang, 110016, China

    Ming Gao

Authors
  1. Weidan Wang
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  2. Ming Gao
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  3. Yuanding Huang
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  4. Lili Tan
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  5. Ke Yang
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  6. Norbert Hort
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Corresponding authors

Correspondence to Lili Tan or Norbert Hort .

Editor information

Editors and Affiliations

  1. Pacific Northwest National Laboratory, Richland, WA, USA

    Vineet V. Joshi

  2. The University of Alabama, Tuscaloosa, AL, USA

    J. Brian Jordon

  3. Lund University, Lund, Sweden

    Dmytro Orlov

  4. IND LLC, South Jordan, UT, USA

    Neale R. Neelameggham

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Wang, W., Gao, M., Huang, Y., Tan, L., Yang, K., Hort, N. (2019). Microstructures, Corrosion and Mechanical Properties of Mg–Si Alloys as Biodegradable Implant Materials. In: Joshi, V., Jordon, J., Orlov, D., Neelameggham, N. (eds) Magnesium Technology 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05789-3_23

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