Corrosion and Tensile Behaviors of Ti-4Al-2V-1Mo-1Fe and Ti-6Al-4V Titanium Alloys

被引：34
|
作者：
Qiao, Yanxin [1 ]
Xu, Daokui [2 ]
Wang, Shuo [1 ,2 ,3 ]
Ma, Yingjie [2 ]
Chen, Jian [1 ]
Wang, Yuxin [1 ]
Zhou, Huiling [1 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
[3] Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110004, Liaoning, Peoples R China
来源：
METALS | 2019年 / 9卷 / 11期
基金：
中国国家自然科学基金;
关键词：
titanium alloy; corrosion; passive film; mechanical behavior; ELECTROCHEMICAL-BEHAVIOR; MECHANICAL-PROPERTIES; PASSIVATION KINETICS; STAINLESS ALLOYS; PURE TITANIUM; TIO2; FILMS; DISSOLUTION; MOLYBDENUM; ELEMENTS; IONS;
D O I：
10.3390/met9111213
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
X-ray diffraction (XRD), scanning electron microscope (SEM), immersion, electrochemical, and tensile tests were employed to analyze the phase constitution, microstructure, corrosion behaviors, and tensile properties of a Ti-6Al-4V alloy and a newly-developed low cost titanium alloy Ti-4Al-2V-1Mo-1Fe. The results showed that both the Ti-6Al-4V and Ti-4Al-2V-1Mo-1Fe alloys were composed of alpha and beta phases. The volume fractions of beta phase for these two alloys were 7.4% and 47.3%, respectively. The mass losses after 180-day immersion tests in 3.5 wt.% NaCl solution of these alloys were negligible. The corrosion resistance of the Ti-4Al-2V-1Mo-1Fe alloy was higher than that of the Ti-6Al-4V alloy. The tensile tests showed that the Ti-4Al-2V-1Mo-1Fe alloy presented a slightly higher strength but a lower ductility compared to the Ti-6Al-4V alloy.
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页数：11
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