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电化学  2010 

一维阵列电极法研究钢筋在混凝土中的腐蚀行为

, PP. 60-64

Keywords: 阵列电极,混凝土,腐蚀,宏电池,微电池

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Abstract:

建立一维阵列微电极技术,通过对阵列电极腐蚀电位、极化曲线以及微电极之间宏电流的测量,研究在腐蚀环境作用下钢筋混凝土腐蚀过程中宏电池电流和微电池电流的形成、发展及其相互作用.结果表明,腐蚀发生早期,腐蚀宏电池和微电池在不同区域优先形成而且并存.随着腐蚀的发展,受氧扩散控制,在腐蚀宏电池区域出现微电池,而某些腐蚀微电池区域与阴极区耦合,也形成腐蚀宏电池.腐蚀宏电池与微电池电流大小最终趋于一致.

References

[1]  Hong D H(洪定海).Corrosion and protection of rein-forced steel in concrete[J].Beijing:China Railway Pub-lishing House(中国铁道出版社),1998.
[2]  Vinod K.Protection of steel reinforcement for concrete-A review[J].Corrosion Reviews,1988,16(4):217.
[3]  Koleva D A,de Wit J H W,van Breugel K,et al.Inves-tigation of corrosion and cathode protection in reinforced concrete[J].Journal of Electrochemical Society,2007,154(5):C261.
[4]  Schiessl P.Corrosion of steel in concrete,RILEM techni-cal committee60-CSC[M].New York:Chapman&Hall,1988.
[5]  Elsener B.Macrocell corrosion of steel in concrete-im-plications for corrosion monitoring[J].Cement and Con-crete Composites,2002,24(1):65.
[6]  Qian S Y,Zhang J Y,Qu D Y.Theoretical and experi-mental study of microcell and macrocell corrosion in patch repairs of concrete structures[J].Cement and Concrete Composites,2006,28(8):685.
[7]  Hansson C M,Poursace A,Laurent A.Macrocell and mi-crocell corrosion of steel in ordinary Portland cement and high performance concretes[J].Cement and Con-crete Research,2006,36(11):2098.
[8]  Hansson C M.Comments on electrochemical measure-ments of the rate of corrosion of steel in concrete[J].Cement and Concrete Research,1984,14(4):574.
[9]  Yang L,Dunn D S,Pan Y M,et al.Real-time monitoring of carbon steel corrosion in crude oil and brine mixtures using coupled multielectrode sensors[A].In:Corrosion,Houston:NACE International,2005,05293.
[10]  Yang L,Sridhar N.Coupled multielectrode array sys-tems and sensors for real-time corrosion monitoring-a review[A].In:Corrosion,NACE International,2006,06681.
[11]  Lin Chang-Jian(林昌健),Zhuo Xiang-Dong(卓向东),Chen Ji-Dong(陈纪东),et al.Corrosion poten-tial imaging at interface of polymeric coating/metal by array electrode technique[J].Journal of Chinese Soci-ety for Corrosion and Protection(中国腐蚀与防护学报),1997,17(1):7.
[12]  Hu Rong-Zong(胡荣宗),Lin Chang-Jian(林昌健),He Rui-Yan(何瑞延),et al.Investigation of iron cor-rosion process beneath coating in different kinds of an-ion solution using the technique of array electrode[J].Journal of Xiamen University(Natural Science)(厦门大学学报(自然科学版)),1997,36(6):869.
[13]  Lin C J,Zhuo X D,Nguyen T.An array electrode tech-nique for mapping corrosion potential at the polymer/metal interface[A].In:Comizzoli R B,Frankenthal R B,Sinclair J D.Corrosion and Reliability of Electronic Materials and Devices[C].1999,288.
[14]  Hu Rong-Zong(胡荣宗),Lin Chang-Jian(林昌健),Zhou Xiang(周香),et al.An Investigation on the cor-rosion potential imaging at the interface of concrete/reinforcing bar in corrosion media[J].Electrochemis-try(电化学),2000,6(2):227.
[15]  Legat A.Monitoring of steel corrosion in concrete by e-lectrode arrays and electrical resistance probes[J].Electrochimica Acta,2007,52(27):7590.

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