Journal
MATERIALS LETTERS
Volume 251, Issue -, Pages 30-33Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2019.04.124
Keywords
Biomaterials; Surfaces; Magnesium alloy; Corrosion behavior; Antibacterial ability; Cytocompatibility
Funding
- Fund for Shanxi 1331 Project Key Innovative Research Team [1331KIRT]
- Key Research and Development Program of Shanxi Province [201603D121019]
- Natural Science Foundation of Shanxi Province [201801D121093, 201801D121094]
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Magnesium (Mg) and its alloys are considered as promising implant materials due to their biodegradability. However, high degradation rate cannot well match tissue repair process and may result in severe cytotoxicity. In addition, post-surgery infection may also raise safety concerns. In the present work, solid diffusion zinc was adopted to construct a barrier coating on the surface of AZ31B Mg alloy. The results show the coating is composed of MgZn and Mg2Zn11 intermetallics, which possesses good corrosion resistance, antibacterial ability, and cytocompatibility. The alloy after 8 h of the treatment shows the highest comprehensive performance thus is promising as biomedical coating of Mg alloy. (C) 2019 Elsevier B.V. All rights reserved.
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