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Volume 15 Issue 4
Aug.  2008
数据统计

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Yinghuai Zhang, Lining Xu, Minxu Lu,  and Pu Zhang, Anticorrosion performance of the coating/metal system by electrochemical impedance spectra, J. Univ. Sci. Technol. Beijing, 15(2008), No. 4, pp. 457-460. https://doi.org/10.1016/S1005-8850(08)60086-9
Cite this article as:
Yinghuai Zhang, Lining Xu, Minxu Lu,  and Pu Zhang, Anticorrosion performance of the coating/metal system by electrochemical impedance spectra, J. Univ. Sci. Technol. Beijing, 15(2008), No. 4, pp. 457-460. https://doi.org/10.1016/S1005-8850(08)60086-9
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Materials

Anticorrosion performance of the coating/metal system by electrochemical impedance spectra

  • 通讯作者:

    Yinghuai Zhang    E-mail: kittytaotao@sohu.com

  • In order to investigate the anticorrosion performance of the organic coating/metal system, electrochemical impedance spectra (EIS) were measured in the 3.5wt% NaCl solution, the chemical component and the formation of corrosion products scale were analyzed by laser Raman microspectroscopy, and the pattern of the organic coating/metal system was observed by scanning electron microscopy (SEM). The characteristics and the delamination process of the organic coating/metal system were investigated systematically, and the emphases were on the transportation of the corrosive medium and the changes of the coating/metal interface. The results show that the impedance decreases at the initial immersion, then increases at the middle-immersion, and again decreases at last, which is related to the corrosion products scale. The concentration of Cl in the coating, which destroys the corrosion products scale, increases with the immersion time.
  • Materials

    Anticorrosion performance of the coating/metal system by electrochemical impedance spectra

    + Author Affiliations
    • In order to investigate the anticorrosion performance of the organic coating/metal system, electrochemical impedance spectra (EIS) were measured in the 3.5wt% NaCl solution, the chemical component and the formation of corrosion products scale were analyzed by laser Raman microspectroscopy, and the pattern of the organic coating/metal system was observed by scanning electron microscopy (SEM). The characteristics and the delamination process of the organic coating/metal system were investigated systematically, and the emphases were on the transportation of the corrosive medium and the changes of the coating/metal interface. The results show that the impedance decreases at the initial immersion, then increases at the middle-immersion, and again decreases at last, which is related to the corrosion products scale. The concentration of Cl in the coating, which destroys the corrosion products scale, increases with the immersion time.
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