Effect of Sn addition on the corrosion behavior of Ti-Ta alloy

被引：28
作者：
Guo, B. [1 ]
Tong, Y. X. [1 ]
Chen, F. [1 ]
Zheng, Y. F. [1 ,2 ]
Li, L. [1 ]
Chung, C. Y. [3 ]
机构：
[1] Harbin Engn Univ, Ctr Biomed Mat & Engn, Harbin 150001, Peoples R China
[2] Peking Univ, Coll Engn, Dept Adv Mat & Nanotechnol, Beijing 100871, Peoples R China
[3] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China
来源：
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2012年 / 63卷 / 03期
关键词：
corrosion resistance; electrochemical measurements; solution treatment; Ti-Ta-Sn alloys; MICROSTRUCTURE; RESISTANCE; ELEMENTS;
D O I：
10.1002/maco.201005824
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present paper, the effect of Sn addition on phase constitution and corrosion behavior of Ti65Ta(35-x)Snx (x=0, 1, 3, 5at%) alloys has been investigated using X-ray diffraction and electrochemical measurements. The results show that the beta phase is stabilized when quenching after the addition of Sn into Ti65Ta35 alloy, with Ti65Ta30Sn5 alloy consisting of single beta phase at room temperature. The corrosion resistance is enhanced with increase in the Sn content. When the Sn content increases up to 5%, the addition of Sn results in a decrease of corrosion current density from 0.690 mu A/cm2 of the Ti65Ta35 alloy to 0.098 mu A/cm2, and corresponding passive current density decreased from 37.7 mu A/cm2 of the Ti65Ta35 alloy to 9.30 mu A/cm2.
引用
收藏
页码：259 / 263
页数：5
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