医用钛表面TiO_2纳米管/HA复合膜层于Tyrode’s生理溶液中电化学腐蚀行为

doi:10.61558/2993-074X.2042

电化学（中英文） ›› 2010, Vol. 16 ›› Issue (1): 74-78. doi: 10.61558/2993-074X.2042

医用钛表面TiO_2纳米管/HA复合膜层于Tyrode’s生理溶液中电化学腐蚀行为

孔丽丽;林龙翔;胡融刚;张帆;林昌健;

厦门大学固体表面物理化学国家重点实验室化学化工学院化学系;

收稿日期:2010-02-28 修回日期:2010-02-28 出版日期:2010-02-28 发布日期:2010-02-28

Electrochemical Corrosion Behavior of TiO_2/HA Composite Coating on Medical Titanium in Tyrode's Physiological Solution

KONG Li-li,LIN Long-xiang,HU Rong-gang,ZHANG Fan,LIN Chang-jian*

(State Key Laboratory for Physical Chemistry of Solid Surfaces,and Department of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China

Received:2010-02-28 Revised:2010-02-28 Published:2010-02-28 Online:2010-02-28

摘要/Abstract

摘要： 钛及其合金具有良好的力学性能和生物相容性,被广泛地用作医用人工植入体.然而,钛植入体在人体内的生理环境中必然发生腐蚀,金属离子的溶出和积累可产生毒副作用.本文应用电化学方法对医用钛金属作表面改性,提高其生物活性,应用Tafel极化曲线和电化学阻抗(EIS)研究其耐蚀性能及腐蚀电化学行为.结果表明,在钛基TiO2纳米管阵列膜层上沉积构筑HA涂层之后,由于表面阻挡层的强化,TiO2涂层在Tyrode’s生理溶液中的耐蚀性有所提高.

关键词: 医用植入体, 生理腐蚀, 钛, TiO2纳米管阵列, 羟基磷灰石, 电沉积

Abstract: Titanium and its alloys have been widely used as medical implant materials because of their good mechanical properties and biocompatibility.However,the physiological corrosion of metal will release metal ions,resulting in toxic and side effects.In this paper,in order to improve the corrosion resistance of titanium,and to enhance its bioactivity and osseointegration,the surface modification of titamum were performed.Using eletrochemical methods Tafel polarization and electrochemical impedance spectroscopy(EIS) were applied to study the electrochemical corrosion behavior of TiO2 /HA composite coating.It is indicated that the corrosion resistance of the prepared TiO2 /Ti material in Tyrode's physiological solution is improved because of the enhanced surface barrier.

Key words: medical implant materials, physiological corrosion, titanium, TiO2 nanotube arrays, electrodepostion

中图分类号:

TG171

孔丽丽, 林龙翔, 胡融刚, 张帆, 林昌健, . 医用钛表面TiO_2纳米管/HA复合膜层于Tyrode’s生理溶液中电化学腐蚀行为[J]. 电化学（中英文）, 2010, 16(1): 74-78.

KONG Li-li, LIN Long-xiang, HU Rong-gang, ZHANG Fan, LIN Chang-jian. Electrochemical Corrosion Behavior of TiO_2/HA Composite Coating on Medical Titanium in Tyrode's Physiological Solution[J]. Journal of Electrochemistry, 2010, 16(1): 74-78.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.2042

https://electrochem.xmu.edu.cn/CN/Y2010/V16/I1/74

参考文献

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医用钛表面TiO_2纳米管/HA复合膜层于Tyrode’s生理溶液中电化学腐蚀行为

Electrochemical Corrosion Behavior of TiO_2/HA Composite Coating on Medical Titanium in Tyrode's Physiological Solution

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