Tong Li, Yongjin Yang, Kewei Gao, and Minxu Lu, Mechanism of protective film formation during CO2 corrosion of X65 pipeline steel, J. Univ. Sci. Technol. Beijing, 15(2008), No. 6, pp. 702-706. https://doi.org/10.1016/S1005-8850(08)60274-1
Cite this article as:
Tong Li, Yongjin Yang, Kewei Gao, and Minxu Lu, Mechanism of protective film formation during CO2 corrosion of X65 pipeline steel, J. Univ. Sci. Technol. Beijing, 15(2008), No. 6, pp. 702-706. https://doi.org/10.1016/S1005-8850(08)60274-1
Tong Li, Yongjin Yang, Kewei Gao, and Minxu Lu, Mechanism of protective film formation during CO2 corrosion of X65 pipeline steel, J. Univ. Sci. Technol. Beijing, 15(2008), No. 6, pp. 702-706. https://doi.org/10.1016/S1005-8850(08)60274-1
Citation:
Tong Li, Yongjin Yang, Kewei Gao, and Minxu Lu, Mechanism of protective film formation during CO2 corrosion of X65 pipeline steel, J. Univ. Sci. Technol. Beijing, 15(2008), No. 6, pp. 702-706. https://doi.org/10.1016/S1005-8850(08)60274-1
Electrochemical techniques, X-ray diffraction (XRD), and scanning electron microscopy (SEM) were applied to study the corrosion behaviors of X65 steel in static solution with carbon dioxide (CO2) at 65℃. The results show that iron carbonate (FeCO3) deposits on the steel surface as a corrosion product scale. This iron carbonate scale acts as a barrier to CO2 corrosion, and can reduce the general corrosion rate. The protection ability of the scale is closely related to the scale morphological characteristics.
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