Electrochemical and XPS studies of corrosion behavior of Ti-23Nb-0.7Ta-2Zr-O alloy in Ringer's solution

被引：91
|
作者：
Guo, W. Y. [1 ]
Sun, J. [1 ]
Wu, J. S. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2009年 / 113卷 / 2-3期
基金：
中国国家自然科学基金;
关键词：
beta-Ti alloy; Ringer's solution; Corrosion; Passive him; XPS; TITANIUM; TI-6AL-7NB; RESISTANCE; OXIDES; TI; TI-13NB-13ZR; PASSIVITY; IRON;
D O I：
10.1016/j.matchemphys.2008.08.043
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Corrosion behavior of a newly developed multifunctional beta-type Ti-23Nb-0.7Ta-2Zr-O (mol%, TNTZO) alloy in Ringer's physiological solution was evaluated by open circuit potential, potentiodynamic polarization and X-ray photoelectron spectroscopy (XPS) techniques. Corrosion property of Ti-6Al-4V was also measured for comparison. The results showed that the TNTZO alloy possesses much better corrosion property than the Ti-6Al-4V alloy, corroborated by a high corrosion potential and broad passive region, which is attributed to the stable and inert passive TiO2 film modified by the oxides of Nb, Ta and Zr on the surface of the TNTZO alloy. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：816 / 820
页数：5
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