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| Progress in the Mutual Effects Between AC Interference and the Cathodic Protection of Buried Pipelines |
| TANG Dezhi, DU Yanxia, LU Minxu, DONG Liang, JIANG Zitao |
| Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083,China |
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Abstract The dramatic development of oil, electric power and transportation industries deteriorated alternating current (AC) interference of the pipelines. As a consequence, not only the corrosion of pipelines would be enhanced, but also the cathodic protection (CP) systems be affected significantly. The traditional CP criterion (-850 mV(vs CSE)) was ineffective and a new CP criterion was in needed. The researches about effects of AC interference on CP parameters, such as CP potential，CP current density, sacrificial anode potential, sacrificial anode consumption rate and sacrificial anode efficiency, were reviewed in this article. At the same time, the latest researches on CP criterions and AC corrosion mechanisms were introduced. Finally, the key problems were indicated and the development trend of this research field was predicted.
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Cite this article:
TANG Dezhi,DU Yanxia,LU Minxu,DONG Liang,JIANG Zitao. Progress in the Mutual Effects Between AC Interference and the Cathodic Protection of Buried Pipelines. Journal of Chinese Society for Corrosion and protection, 2013, 33(5): 351-356.
URL:
https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2013/V33/I5/351
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