[1]游 静,赵晓兵.TiO2-Ta2O5复合涂层的制备、表征及生物矿化性能[J].常州大学学报(自然科学版),2017,(06):41-47.[doi:10.3969/j.issn.2095-0411.2017.06.006]
　YOU Jing,ZHAO Xiaobing.Preparation, Characterization and Biomineralization Property of TiO2-Ta2O5 Composite Coatings[J].Journal of Changzhou University(Natural Science Edition),2017,(06):41-47.[doi:10.3969/j.issn.2095-0411.2017.06.006]
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TiO2-Ta2O5复合涂层的制备、表征及生物矿化性能()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2017年06期
页码:
41-47
栏目:
材料科学与工程
出版日期:
2017-12-10

文章信息/Info

Title:
Preparation, Characterization and Biomineralization Property of TiO2-Ta2O5 Composite Coatings
作者:
游 静1; 赵晓兵2
1.常州大学 信息科学与工程学院,江苏 常州 213164; 2. 常州大学 材料科学与工程学院,江苏 常州 213164
Author(s):
YOU Jing1;  ZHAO Xiaobing2
1. School of Information Science & Engineering, Changzhou University, Changzhou 213164, China; 2. School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China
关键词:
TiO2;  Ta2O5;  等离子喷涂;  生物矿化;  植入体
Keywords:
TiO2;  Ta2O5;  plasma spraying;  biomineralization;  implant
分类号:
TG 174; R 318
DOI:
10.3969/j.issn.2095-0411.2017.06.006
文献标志码:
A
摘要:
为了提高钛基骨植入体材料的力学和生物学性能,利用等离子喷涂技术在医用钛表面制备不同比例的TiO2-Ta2O5复合涂层。采用X射线衍射仪(XRD)和场发射扫描电子显微镜(FESEM)对复合涂层的微观结构进行表征。利用轮廓仪和电化学工作站考察复合涂层的表面粗糙度和耐腐蚀性能。采用模拟体液(SBF)浸泡实验考察涂层的体外生物矿化性能。结果表明,Ta2O5的加入未显著改变TiO2涂层的物相组成。所制备的涂层均具有微米级的表面粗糙度和纳米形貌,但其纳米形貌有显著不同。TiO2-40%Ta2O5,TiO2-60%Ta2O5和TiO2-80%Ta2O5复合涂层的表面由纳米棒状结构组成。Ta2O5的加入使TiO2涂层的耐腐蚀性能得到提高。TiO2-40%Ta2O5复合涂层能够诱导磷灰石在其表面沉积,显示了较好的体外矿化性能。
Abstract:
In order to improve the mechanical and biological properties of Ti-based bone implants, the TiO2-Ta2O5 composite coatings with different proportions were prepared on the surface of pure titanium by plasma spraying technology. The microstructures of the coatings were characterized by X-ray diffraction(XRD)and field emission scanning electron microscopy(FESEM). Surface profiler and electrochemical workstation were applied to investigate the surface roughness and corrosion resistance of the coatings. In-vitro biomineralization property of the coatings was determined by simulated body fluid(SBF)immersion test. Results indicated that the phase composition of TiO2 coatings has no obvious changes by addition of Ta2O5. All coatings possess micro-sized surface roughness and nanotopography, but its nanotopography is various. Nano-rod structures are formed on the surface of the TiO2-40%Ta2O5, TiO2-60%Ta2O5and TiO2-80%Ta2O5 coatings. The addition of Ta2O5 can improve the corrosion resistance of TiO2 coatings. TiO2-40%Ta2O5 composite coating can induce apatite to form on its surface, suggesting the enhanced in-vitro biomineralization property.

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备注/Memo

备注/Memo:
收稿日期:2017-06-05。
基金项目:中国科学院无机涂层材料重点实验室基金项目(KLICM-2014-08)。
作者简介:游静(1975—),女,河北晋州人,博士,副教授,主要从事纳米材料、数值分析与模拟和计算机应用研究。E-mail: youjing00@163.com
更新日期/Last Update: 1900-01-01