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《Journal of Shangqiu Teachers College》 2005-02
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Corrosion behavior of Q235 steel in saline soils with different humidity

WU yuan-hui~1,CAI Duo-chang~1,HE xiao-ying~1,GUO Hong~1,YU Chang-kun~2(1.School of Chemistry and Chemical Industry,China West Normal d Protection,Institute of Metal Research,The Chinese Academy of Science,Shenyang 110016,China)  
The corrosion behavior of Q235 steel in two kinds of saline soils with different humidity is studied by using polarization curve technique,electrochemical impedance spectroscopy(EIS),scanning electron microscopy(SEM) and EDXA.It is found that the soil humidity obviously affects the corrosion behavior of Q235 steel.The corrosion rate of Q235 steel increases with the increasing of soil humidity and reaches a maximum during 10%-15% water content,then decreases with the increasing of soil humidity.In addition,the influence of salt content on corrosion behavior of Q235 steel in the saline soil is discussed.
【Fund】: 国家自然科学基金资助项目(50271077)
【CateGory Index】: TG172
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