Abstract
The pitting behavior was investigated on super 13Cr stainless steels in 3.5% NaCl solution in the presence of HAc. The electrochemical measurements including potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and chronoamperometric experiments were carried out, as well as the SEM surface analysis. The parameters such as E corr and I corr were obtained by fitting technique. Moreover, the equivalent circuit model was applied in the analysis of Nyquist plots, and ZsimWin software was used to analyze the EIS data. The results indicate that the pitting corrosion is accelerated with increasing the amounts of HAc. In addition, pitting nucleation and growth mechanisms were described in this work.
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Acknowledgements
The authors want to thank the Key Laboratory Opening Fund (No. 06A40302) of Corrosion and Protection of Tabular Goods Research Center of China National Petroleum Corporation for supports to this work.
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Yin, Z.F., Zhao, W.Z., Tian, W. et al. Pitting behavior on super 13Cr stainless steel in 3.5% NaCl solution in the presence of acetic acid. J Solid State Electrochem 13, 1291–1296 (2009). https://doi.org/10.1007/s10008-008-0675-3
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DOI: https://doi.org/10.1007/s10008-008-0675-3