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.

引用

页数：11

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