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J. Funct. Biomater. 2017, 8(3), 38; doi:10.3390/jfb8030038

Bio-Corrosion of Magnesium Alloys for Orthopaedic Applications

Department of Biomedical Engineering, University at Buffalo, Buffalo, NY 14214, USA
Department of Orthopaedics, University at Buffalo, Buffalo, NY 14214, USA
Author to whom correspondence should be addressed.
Academic Editor: Anil Mahapatro
Received: 15 May 2017 / Revised: 3 August 2017 / Accepted: 15 August 2017 / Published: 1 September 2017
(This article belongs to the Special Issue Metallic Biomaterials)
View Full-Text   |   Download PDF [2239 KB, uploaded 1 September 2017]   |  


Three Mg alloys, Mg–1.34% Ca–3% Zn (MCZ), Mg–1.34% Ca–3% Zn–0.2% Sr (MCZS), and Mg–2% Sr (MS), were examined to understand their bio-corrosion behavior. Electrochemical impedance spectroscopy and polarization scans were performed after 6 days of immersion in cell culture medium, and ion release and changes in media pH were tracked over a 28 day time period. Scanning electron microscopy (SEM) of alloy microstructure was performed to help interpret the results of the electrochemical testing. Results indicate that corrosion resistance of the alloys is as follows: MCZ > MCZS > MS. View Full-Text
Keywords: magnesium; alloy; corrosion; orthopaedics; biomaterial magnesium; alloy; corrosion; orthopaedics; biomaterial

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Brooks, E.K.; Ehrensberger, M.T. Bio-Corrosion of Magnesium Alloys for Orthopaedic Applications. J. Funct. Biomater. 2017, 8, 38.

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