Corrosion characteristics of Q235 steel in simulated Yingtan soil solutions

被引：39
作者：
Wu, Y. H. [1 ,3 ]
Liu, T. M. [1 ]
Luo, S. X. [3 ]
Sun, C. [2 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
[3] Zunyi Normal Coll, Dept Chem, Zunyi 563002, Peoples R China
来源：
MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK | 2010年 / 41卷 / 03期
关键词：
Soil corrosion; Q235; steel; Simulated soil solution; Corrosion performance; BEHAVIOR;
D O I：
10.1002/mawe.201000559
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In some areas, the soil is getting more and more acidic due to acids deposition. It is imperative to investigate the soil corrosion performance of underground structures. As soil is very complex, the corrosion investigation and understanding of soil buried structures are quite difficult. In this study, the corrosion performance of Q235 steel in simulated Yingtan soil solutions with pH 3.0, 4.0, 5.5, and 7.0 was investigated by weight loss test and electrochemical test including potentiodynamic polarization curves and electrochemical impedance spectroscopy, as well as corrosion process was discussed. All the tests indicated that the corrosion rate of Q235 steel in simulated soil solution was closely related to its pH value. The corrosion rate decreased with increasing pH from 3.0 to 7.0.
引用
收藏
页码：142 / 146
页数：5
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