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等效电路拟合钢筋锈蚀行为的电化学阻抗谱研究

, PP. 387-392

Keywords: 钢筋锈蚀,混凝土,电化学阻抗谱,等效电路

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Abstract:

简述了混凝土中钢筋锈蚀的电化学阻抗谱测试常用的等效电路,对比分析了不同等效电路的优劣性.根据混凝土中钢筋的钝化、初锈与锈蚀发展期三个阶段选取相应的等效电路进行拟合分析.结果表明,随着钢筋锈蚀的发展,等效电路拟合时需要增加时间常数;应用常相角元件CPE和Warburg扩散元件能更好地进行阻抗谱拟合.

References

[1]  John D G, Searson P C, Dawson J L. Use of impedance technique in studies on steel in concrete in immersed conditions[J].Bri. Corros. J., 1981, 16(2): 102.
[2]  Montemor M F, Simoes A M P, Ferreira M G S. Chloride-induced corrosion on reinforcing steel from the fundamentals to the monitoring techniques[J]. Cem. Concr. Compos.,2003, 25(4-5): 491.
[3]  Andrade C, Soler L, Novoa X R. Advances in electrochemical impedance measurements in reinforced concrete[J]. Mater. Sci. Forum,1995, 192-194: 843.
[4]  MacDonald D D. Reflections on the history of electrochemical impedance spectroscopy[J]. Electrochim. Acta, 2006,51(8-9): 1376.
[5]  Metha P K, Monteiro P J M. Concrete-Microstructure, properties, and materials (Third edition)[M]. McGraw Hill, 2006.
[6]  Feliu V, Gonzalez J A, Feliu S. Algorithm for extracting corrosion parameters from the response of the steel-concrete system to a current pulse[J]. J. Electrochem. Soc., 2004, 151(3): B134.
[7]  Feliu V, Gonzalez J A, Andrade C. Equivalent circuit for modelling the steel-concrete interface. I. experimental evidence and theoretical predictions[J]. Corros. Sci., 1998, 39(5): 864.
[8]  Andrade C, Keddam M, Novoa X R, et al. Electrochemical behaviour of steel rebars in concrete: influence of environmental factors and cement chemistry [J]. Electrochim. Acta, 2001, 46 (24-25): 3905.
[9]  Jamil H E, Shriri A, Boulif R, et al. Corrosion behaviour of reinforcing steel exposed to an amino alcohol based corrosion inhibitor[J]. Cem. Concr. Compos., 2005, 27 (6): 671.
[10]  Hachani L, Fiaud C, Triki E, et al. Characterisation of steel/concrete interface by electrochemical impedance spectroscopy[J]. Bri. Corros. J., 1994, 29(2): 122.
[11]  Feliu S, Gonzalez J A, Andrade C, et al. The determination of the corrosion rate of steel in concrete by a non-stationary method[J]. Corros. Sci., 1986, 26(11): 961.
[12]  Keddam M, Novoa X R, Soler L. An equivalent electrical circuit of macrocell activity in facing electrodes embedded in cement mortar[J]. Corros. Sci., 1994, 36(7): 1155.
[13]  Sagoe-Crentsil K K, Glasser F P, Irvine J T S.Electrochemical characteristics of reinforced concrete corrosion as determined by impedance spectroscopy[J]. Bri. Corros. J., 1992,27(2): 113.
[14]  Newton C J, Sykes J M. A galvanostatic pulse technique for investigation of steel corrosion in concrete[J]. Corros. Sci., 1988,28(11): 1051.
[15]  Wenger F, Galland J. Study of corrosion of steel in concrete by electrochemical impedance measurements[J]. Mater. Sci.Forum, 1989, 44-45: 375.
[16]  Koleva D A, Wit J H W de, Breugel K van, Investigation of corrosion and cathodic protection in reinforced concrete. I.application of electrochemical techniques[J]. J. Electrochem. Soc.,2007, 154(4): 52.
[17]  Gu P, Beaudoin J J. Estimation of steel corrosion rate in reinforced concrete by means of equivalent circuit fittings of impedance spectra[J]. Adv. Cem. Res., 1998, 10(2): 43.
[18]  Vedalakshmi R, Palaniswamy N. Analysis of the electrochemical phenomenon at the rebar-concrete interface using the electrochemical impedance spectroscopic technique[J]. Mag. Concr.Res., 2010, 62(3): 177.
[19]  Ford S J, Shane J D, Mason T O. Assignment of features in impedance spectra of the cement-paste steel system[J]. Cem. Concr.Res., 1998, 28(12): 1737.

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