Journal
MATERIALS LETTERS
Volume 113, Issue -, Pages 174-178Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.09.068
Keywords
Biomaterials; Bioceramics; Corrosion
Funding
- Oklahoma Center for Advancement of Science and Technology [AR131-054 8161]
- AFOSR [FA9550-10-1-0010]
- National Science Foundation (NSF) [0933763]
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Magnesium and its alloys have been recently investigated as biodegradable metallic biomaterials for bone implants. However, rapid corrosion rate and low bioactivity have been two limiting factors for their biomedical applications. In this work we aimed to improve these two properties for AZ91 magnesium alloy using the nanostructured bredigite (Ca7MgSi4O16) coating made by micro-arc oxidation and electrophoretic deposition methods. The results indicated that this surface treatment enhanced both corrosion resistance and the bioactivity of AZ91 substrate, making it suitable for biomedical applications. Published by Elsevier B.V.
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