EIS diagnosis on the corrosion behavior of TiN coated NiTi surgical alloy

被引：51
|
作者：
Yang, DZ [1 ]
Liu, CL [1 ]
Liu, XP [1 ]
Qi, M [1 ]
Lin, GQ [1 ]
机构：
[1] Dalian Univ Technol, Dept Mat Engn, Dalian 116024, Peoples R China
来源：
CURRENT APPLIED PHYSICS | 2005年 / 5卷 / 05期
关键词：
NiTi surgical alloy; titanium nitride; electrochemical impedance spectroscopy (EIS); corrosion resistance; simulated body fluid;
D O I：
10.1016/j.cap.2004.11.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work titanium nitride (TiN) coatings were deposited on NiTi surgical alloy by arc ion plating (AIP). The open circuit testing and electrochemical impedance spectroscopy (EIS) have been employed to study the corrosion performance of the TiN coated samples in Troyde's simulated body fluid. It was found that the TiN coating showed a good corrosion resistance at the beginning of long-term immersion; with the increase of immersion time, however, the corrosion resistance of the coating deteriorated after nearly 24 h of immersion; moreover, the large areas of the coating had fallen off the substrate after 30 days of immersion. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：417 / 421
页数：5
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