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LU Xin-ru, DU Cui-wei, LI Xiao-gang, QU Liang-shan. Corrosion Behavior of X70 Steel in Daqing Soils[J]. Corrosion & Protection, 2008, 29(9): 503-506.
Citation: LU Xin-ru, DU Cui-wei, LI Xiao-gang, QU Liang-shan. Corrosion Behavior of X70 Steel in Daqing Soils[J]. Corrosion & Protection, 2008, 29(9): 503-506.
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Corrosion Behavior of X70 Steel in Daqing Soils

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  • Received Date: October 21, 2007
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  • The corrosion behavior of X70 steel in Daqing soils was studied by means of weak polarization curve technique,EIS,macroscopic observations,SEM,EDS and weight-loss method.The results revealed that localized corrosion on the X70 steel surface mainly occurred in clay,while general corrosion mainly occurred in silt.The corrosion products were primarily iron oxide which can not protect the substrate of X70 steel because of its loose structure.The corrosion rate of the steel decreased with the increasing corrosion time,and the corrosion rate in clay was much greater than that in silt.
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    • References (4)
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    李晓刚,杜翠薇,董超芳,等.X70钢的腐蚀行为与试验研究[M].北京:科学出版社,2006.
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    吴荫顺.金属腐蚀研究方法[M].北京:冶金工业出版社,1993.
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    董超芳,李晓刚,武俊伟.土壤腐蚀的实验研究与数据处理[J].腐蚀科学与防护技术,2003,15(3):154.
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    López E,Osella A,Martino L.Controlled experiments to study corrosion effects due to external varying fields in embedded pipelines[J].Corrosion Science,2006,48:389-403.
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