Influence of Carbon Fiber on Corrosion Behavior of Carbon Steel in Simulated Concrete Pore Solutions

Yu Zuo; Yuchao Dun; Guodong Zhang; Xuhui Zhao; Yu Zuo

doi:https://doi.org/10.14773/cst.2017.16.4.175

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자료유형: 학술저널

저자정보: Yu Zuo (Beijing Key Laboratory of Electrochemical Process and Technology for Materials Beijing University) Yuchao Dun (Beijing Key Laboratory of Electrochemical Process and Technology for Materials Beijing University) Guodong Zhang (Beijing Key Laboratory of Electrochemical Process and Technology for Materials Beijing University) Xuhui Zhao (Beijing Key Laboratory of Electrochemical Process and Technology for Materials Beijing University) Yu Zuo (Beijing Key Laboratory of Electrochemical Process and Technology for Materials Beijing University)

저널정보: 한국부식방식학회 Corrosion Science and Technology CORROSION SCIENCE AND TECHNOLOGY 제16권 제4호

발행연도: 2017.8

수록면: 175 - 182 (8page)

DOI: https://doi.org/10.14773/cst.2017.16.4.175

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Galvanic current measurement, polarization curves, electrochemical impedance spectroscopy and weight losstest were used to study the corrosion behavior of carbon steel before and after carbon fibers coupling tothe carbon steel in simulated concrete pore solutions, and the film composition on the steel surface wasanalyzed using XPS method. The results indicate that passive film on steel surface had excellent protectiveproperty in pore solutions with different pH values (13.3, 12.5 and 11.6). After coupling with carbon fibers(the area ratio of carbon steel to carbon fiber was 12.31), charge transfer resistance Rct of the steel surfacedecreased and the Fe3+/Fe2+ value in passive film decreased. As a result, stability of the film decreasedand the corrosion rate of steel increased. Decreasing of the area ratio of steel to carbon fiber from 12.3to 6.15 resulted in the decrease in Rct and the increase in corrosion rate. Especially in the pore solutionwith pH 11.6, the coupling leads the carbon steel to corrode easily.

#simulated concrete pore solution #carbon steel #carbon fiber #galvanic corrosion

참고문헌 (28)

참고문헌 신청

J. G. Zoran / 2012 / Constr. Build. Mater. 27:305

S.-J. Park / 2004 / Mat. Sci. Eng. A 366:348

C. Desmettre / 2012 / Cement Concrete Res. 42:945

J. Y. Hou / 1997 / Cement Concrete Res. 27:649

S. Wen / 2001 / Cement Concrete Res. 31:665

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Yu Zuo

소속기관 Beijing Key Laboratory of Electrochemical Process and Technology for Materials Beijing University