Kloiber J, Schultheiß U, Sotelo L, Sarau G, Christiansen S, Gavras S, Hort N, Hornberger H (2024)
Publication Type: Journal article
Publication year: 2024
Book Volume: 38
Article Number: 107983
DOI: 10.1016/j.mtcomm.2023.107983
Although magnesium and its alloys are promising candidates as biodegradable implant materials, the tendency for localised corrosion mechanism in physiological environment limit their biomedical application. Electropolishing is an attractive strategy for improving the corrosion behaviour of metals, but it is still largely unexplored in magnesium materials. In this study, the characterisation of electropolished surfaces of AM50 and pure magnesium was performed, focussing on their in vitro degradation behaviour in cell medium. Corrosion rates were evaluated using potentiodynamic polarisation. The surface morphology before and after the onset of corrosion was investigated by scanning electron microscopy and confocal laser scanning microscopy. The presented electropolishing process led to improved surface performances, observable by significantly lower corrosion rates (0.08 mm·year−1 in Dulbecco's modified Eagle's medium), lower arithmetical mean height (0.05 µm), lower water contact angle (25–35°) and lower micro hardness (35–50 HV 0.1) compared to mechanically and chemically treated surfaces. MgO/Mg(OH)
APA:
Kloiber, J., Schultheiß, U., Sotelo, L., Sarau, G., Christiansen, S., Gavras, S.,... Hornberger, H. (2024). Corrosion behaviour of electropolished magnesium materials. Materials Today Communications, 38. https://doi.org/10.1016/j.mtcomm.2023.107983
MLA:
Kloiber, Jessica, et al. "Corrosion behaviour of electropolished magnesium materials." Materials Today Communications 38 (2024).
BibTeX: Download