In silico modelling of the corrosion of biodegradable magnesium-based biomaterials: modelling approaches, validation and future perspectives (2021)
Type of ContentJournal Article
Metallic biomedical implants based on magnesium, zinc and iron alloys have emerged as bioresorbable alternatives to permanent orthopaedic implants over the last two decades. The corrosion rate of biodegradable metals plays a critical role in controlling the compatibility and functionality of the device in vivo. The broader adoption of biodegradable metals in orthopaedic applications depends on developing in vitro methods that accurately predict the biodegradation behaviour in vivo. However, the physiological environment is a highly complex corrosion environment to replicate in the laboratory, making the in vitro-to-in vivo translation of results very challenging. Accordingly, the results from in vitro corrosion tests fail to provide a complete schema of the biodegradation behaviour of the metal in vivo. In silico approach based on computer simulations aim to bridge the observed differences between experiments performed in vitro and vivo. A critical review of the state-of-the-art of computational modelling techniques for predicting the corrosion behaviour of magnesium alloy as a biodegradable metal is presented.
CitationStaiger M, Dias G, Joshi A (2021). In silico modelling of the corrosion of biodegradable magnesium-based biomaterials: modelling approaches, validation and future perspectives. Biomaterials Translational. 2(3). 257-271.
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Keywordsbiomaterial; biodegradation; corrosion; finite element method; magnesium; modelling
ANZSRC Fields of Research40 - Engineering::4003 - Biomedical engineering::400302 - Biomaterials
40 - Engineering::4003 - Biomedical engineering::400308 - Medical devices
40 - Engineering::4016 - Materials engineering::401607 - Metals and alloy materials
32 - Biomedical and clinical sciences::3206 - Medical biotechnology::320699 - Medical biotechnology not elsewhere classified
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