Volume 23 Issue 3
Jun.  2008
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ZHAO Xiao-dong, DUAN Ji-zhou, YU Lin, HOU Bao-rong. Influence of Cathodic Protection Potential on Corrosion of Carbon Steel in Seamud Containing SRB[J]. Development and Application of Materials, 2008, 23(3): 43-48. DOI: 10.19515/j.cnki.1003-1545.2008.03.011
Citation: ZHAO Xiao-dong, DUAN Ji-zhou, YU Lin, HOU Bao-rong. Influence of Cathodic Protection Potential on Corrosion of Carbon Steel in Seamud Containing SRB[J]. Development and Application of Materials, 2008, 23(3): 43-48. DOI: 10.19515/j.cnki.1003-1545.2008.03.011
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Influence of Cathodic Protection Potential on Corrosion of Carbon Steel in Seamud Containing SRB

  • 1. School of Electromechanical Engineering, Zhejiang Ocean University, Zhoushan 316000, China;

  • 2. Institute of Ocean ology, Chinese Academy of Sciences, Qingdao 266091, China;

  • 3. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

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  • Received Date: January 22, 2008
  • Available Online: March 29, 2024
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  • The reliability of cathodic protection(CP) on carbon steel buried in sea mud containing SRB was evaluated with emphasis on electrochemical impedance spectra(EIS) under different CP potentials.The relationship among CP potential,corrosion rate and bacteria activities was summarized based on EIS results,weight-loss test and number-calculation of bacteria with MPN method,which showed that the steel under potential of-950 mV(CSE) was relatively well protected with a stable and low corrosion rate.The growth activities and stability of SRB were low under higher CP potential.-950 mV or even lower potential was needed to ensure effective protection.
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