Effect of temperature on the electrochemical impedance spectroscopy for P110 steel at anodic polarized potential was investigated in simulated CO2 saturated oil produced water. The results demonstrated that in the range from room temperature to 90 ℃, there was a critical temperature , below which a three time constant impedance spectrum was observed and above which a two time constant spectrum was shown. A reasonable explanation was given to this phenomenon in an effort to elucidate the mechanism of anodic dissolution and characteristics of CO2 corrosion.
Keywords
CO2 corrosion, Electrochemical impedance spectroscopy, P110 Steel, Anodic polarization
Jing LI, Dong-bai SUN, Hong-ying YU, Hui-min MENG, Hui-qin LI, De-jun YANG.
EIS Characteristics of Anodic Dissolution for P110 Steel under CO2 Environment[J]. Journal of Electrochemistry,
2001
,
7(1): 120-125.
DOI: 10.61558/2993-074X.3244
Available at:
https://jelectrochem.xmu.edu.cn/journal/vol7/iss1/24