Annealing effects on the corrosion resistance of ultrafine-grained pure titanium

被引：83
作者：
Kim, H. S. [1 ]
Kim, W. J. [2 ]
机构：
[1] Pusan Natl Univ, Coll Nanosci & Nanotechnol, Dept Nanomat Engn, Miryang Si 627706, Kyongnam, South Korea
[2] Hongik Univ, Dept Mat Sci & Engn, Seoul 121791, South Korea
来源：
CORROSION SCIENCE | 2014年 / 89卷
基金：
新加坡国家研究基金会;
关键词：
Titanium; Polarisation; Weight loss; Acid corrosion; Effects of strain; MECHANICAL-PROPERTIES; HIGH-STRENGTH; TI; MICROSTRUCTURE; BEHAVIOR;
D O I：
10.1016/j.corsci.2014.08.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of annealing on the corrosion behaviour of the ultrafine-grained pure titanium (Ti) produced by high-ratio differential speed rolling was examined in a 0.5 M H2SO4 solution using potentiodynamic polarisation and weight loss methods. The results indicated that post-rolling annealing significantly affected the corrosion resistance of ultrafine-grained Ti. It was concluded that annealing treatments leading to a decrease in dislocation density and residual stress while maintaining an ultrafine grain size and strong basal texture can allow for the development of pure Ti with a good combination of high strength and high corrosion resistance. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：331 / 337
页数：7
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