分析了主要测量参数对电化学频率调制技术(EFM)测量结果的影响;探讨了校验因子偏离理论值的原因;通过EIS分析以及与线性极化法和失重法的对比实验,研究了在Q235钢/NaCl体系中EFM测量结果的准确性.结果表明:EFM测量基频越高,测量结果误差越大,在Q235钢/NaCl体系中应选取0.01 Hz的基频;校验因子CF3对测量性的判断不可靠,宜以CF2为校验标准;EFM方法测量的极化阻抗值准确性强于线性性极化;与失重法的对比实验表明EFM是一种快速准确的腐蚀速率测量方法.
参考文献
| [1] | R. W. Bosch;J. Hubrecht;W. F. Bogaerts .Electrochemical Frequency Modulation: A New Electrochemical Technique for Online Corrosion Monitoring[J].Corrosion: The Journal of Science and Engineering,2001(1):60-70. |
| [2] | Javaherdashti, R. .Impact of sulphate-reducing bacteria on the performance of engineering materials[J].Applied Microbiology and Biotechnology,2011(6):1507-1517. |
| [3] | Esra Kus;Florian Mansfeld .An evaluation of the electrochemical frequency modulation (EFM) technique[J].Corrosion Science,2006(4):965-979. |
| [4] | Pascal Beese;Hendrik Venzlaff;Jayendran Srinivasan;Julia Garrelfs;Martin Stratmann;Karl J. J. Mayrhofer.Monitoring of anaerobic microbially influenced corrosion via electrochemical frequency modulation[J].Electrochimica Acta,2013:239-247. |
| [5] | A. Rauf;W. F. Bogaerts .Monitoring of crevice corrosion with the electrochemical frequency modulation technique[J].Electrochimica Acta,2009(28):7357-7363. |
| [6] | 赵晓栋,段继周,武素茹,侯保荣.海水中硫酸盐还原茵作用下Q235钢表面腐蚀产物的形成和转化[J].中国腐蚀与防护学报,2008(05):299-302. |
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