The present paper aims to analyze and compare AC interference on pipeline steel grades in soil simulating solutions. DC current density (JDC) and protection potential (PP) are measured to determine AC interference. The study presents the corrosion resistance of several grades of steel. The paper describes experimental studies involving potentiostatic and galvanostatic measurements. The experimental arrangement has been set up for AC and DC couplings to measure DC current density (JDC), protection potential (PP), and AC current density (JAC). The paper presents findings on the AC corrosion behavior of different pipeline steels based on variation in AC current density. The study shows the comparative performance of varying pipe steels. Experimental studies have been conducted on pipe steel in soil simulating solutions under controlled conditions using a specially designed experimental setup. Special care in the experimental setup prevents errors in measurements due to IR drop. The behavior in the field may be influenced by other factors also. The results may be helpful to the pipeline industry in making informed selections of pipe steels subjected to AC interference.
CITATION STYLE
Thakur, A. K., Arya, A. K., & Sharma, P. (2021). Corrosion of pipe steels under alternating currents. International Journal of Electrochemical Science, 16. https://doi.org/10.20964/2021.12.22
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