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Fluoride Conversion Coating on Biodegradable AZ31B Magnesium Alloy
T. T. Yan; L. L. Tan; B. C. Zhang; K. Yang
2014
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume30Issue:7Pages:666-674
AbstractA fluoride conversion coating was successfully prepared on AZ31B magnesium alloy by chemical reaction in hydrofluoric acid. Morphologies, composition, bonding strength, corrosion properties, in vitro cytotoxicity and antibacterial properties of the coating were investigated, respectively. The scanning electron microscopy observations revealed a dense coating with some irregular pores. The thin-film X-ray diffraction analysis indicated that the coating was mainly composed of MgO and MgF2. The electrochemical impedance spectroscopy results showed that the fluoride conversion coating significantly improved the corrosion resistance of AZ31B. The hydroxyapatite formed on the surface of the fluoride coated AZ31B after being immersed in the simulated blood plasma indicated the good bioactivity of the material. The in vitro cytotoxicity test showed that the fluoride coated AZ31B alloy was not toxic to BMMSCs (human bone marrow-derived mesenchymal stem cells). It was also found that the fluoride coated AZ31B alloy had antibacterial capability.
description.department[yan, tingting] kunming univ sci & technol, fac mat sci & engn, kunming 650093, peoples r china. [yan, tingting ; tan, lili ; zhang, bingchun ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; yan, tt (reprint author), kunming univ sci & technol, fac mat sci & engn, kunming 650093, peoples r china. ; yantting@gmail.com
KeywordAz31b Magnesium Fluoride Coating Corrosion Resistance Cytotoxicity Antibacterial In-vitro Biomedical Application Mechanical-properties Corrosion Properties Sodium-fluoride Stainless-steel Bone Implants Surface Mg
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73462
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
T. T. Yan,L. L. Tan,B. C. Zhang,et al. Fluoride Conversion Coating on Biodegradable AZ31B Magnesium Alloy[J]. Journal of Materials Science & Technology,2014,30(7):666-674.
APA T. T. Yan,L. L. Tan,B. C. Zhang,&K. Yang.(2014).Fluoride Conversion Coating on Biodegradable AZ31B Magnesium Alloy.Journal of Materials Science & Technology,30(7),666-674.
MLA T. T. Yan,et al."Fluoride Conversion Coating on Biodegradable AZ31B Magnesium Alloy".Journal of Materials Science & Technology 30.7(2014):666-674.
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