Abstract
Magnesium (Mg) alloys are attractive biodegradable metal used for medical implant applications. In the present investigation, as-cast and as-rolled Mg–5Zn–0.5Zr alloys were studied for microstructural, mechanical, corrosion behaviour and in vitro biocompatibility. The microstructural changes due to hot rolling strongly influenced the micro-hardness, elastic modulus and corrosion behaviour of the alloy. The micro-hardness of the alloy increased from 66 ± 5 HV in as-cast condition to 84 ± 3 HV after rolling. The corrosion resistance of the alloy decreased after rolling whereas both as-cast and as-rolled alloys showed adequate biocompatibility with mouse osteoblast precursor cell line (MC3T3-E1). In summary, the alloy has potential for customized degradable implant applications and the degradation behaviour depends on the processing route.
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Change history
08 March 2022
A Correction to this paper has been published: https://doi.org/10.1557/s43580-022-00261-y
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Acknowledgements
AJ acknowledges the financial aid from Department of Science and Technology, New Delhi, India (SR/WOS-A/ET-44/2016).Authors thanks Prof. Uday Chakkingal, Department of MME, IIT Madras for his help in rolling experiments.
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Jana, A., Dutta, S., Roy, M. et al. Microstructure, mechanical, in vitro corrosion and biocompatibility response study of as-cast and as-rolled Mg–5Zn–0.5Zr alloy. MRS Advances 6, 472–476 (2021). https://doi.org/10.1557/s43580-021-00056-7
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DOI: https://doi.org/10.1557/s43580-021-00056-7