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Electrolytic deposition of fluorine-doped hydroxyapatite/ZrO2 films on titanium for biomedical applications
Y. Huang; Y. J. Yan; X. F. Pang
2013
Source PublicationCeramics International
ISSN0272-8842
Volume39Issue:1Pages:245-253
AbstractA novel method of electrolytic fluorine-doped hydroxyapatite/ZrO2 double-layer coating was conducted on medical titanium in ZrO(NO3)(2) aqueous solution and subsequently in the mixed solution of Ca(NO3)(2), NH4H2PO4 and NaF. The microstructure, phase composition, bond strength, dissolution rate and corrosion resistance of the films were studied. Results revealed that the additions of F- reduced the crystallite and increased the crystallinity of hydroxyapatite, structure of apatite was changed from micro-petal-like crystals to nano-needle-like crystals, which aligned vertically to the substrate. The approximately 10 mu m thick layers was much denser and uniform. Addition of ZrO2 buffer layer could improve the bond strength between the fluorine-doped hydroxyapatite layer and the substrate. The bond strength of the double-layer coating was found to be significantly higher than that of pure hydroxyapatite coating even after soaking in normal saline for two weeks. In physiological solution, the double-layer coating showed lower dissolution rate and stronger corrosion resistance than pure hydroxyapatite coating. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
description.department[huang, yong ; yan, yajing ; pang, xiaofeng] univ elect sci & technol china, inst life sci & technol, chengdu 610054, sichuan, peoples r china. [pang, xiaofeng] chinese acad sci, int ctr mat phys, shenyang 110015, peoples r china. ; pang, xf (reprint author), univ elect sci & technol china, inst life sci & technol, 4 sect 2,jianshe north rd, chengdu 610054, sichuan, peoples r china. ; pangxf2006@yahoo.com.cn
KeywordCorrosion Apatite Zro2 Biomedical Applications Simulated Body-fluid Fluoridated Hydroxyapatite In-vitro Composite Coatings Electrophoretic Deposition Electrochemical Deposition Pure Titanium Alloy Behavior Electrodeposition
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71274
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. Huang,Y. J. Yan,X. F. Pang. Electrolytic deposition of fluorine-doped hydroxyapatite/ZrO2 films on titanium for biomedical applications[J]. Ceramics International,2013,39(1):245-253.
APA Y. Huang,Y. J. Yan,&X. F. Pang.(2013).Electrolytic deposition of fluorine-doped hydroxyapatite/ZrO2 films on titanium for biomedical applications.Ceramics International,39(1),245-253.
MLA Y. Huang,et al."Electrolytic deposition of fluorine-doped hydroxyapatite/ZrO2 films on titanium for biomedical applications".Ceramics International 39.1(2013):245-253.
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