CATHODIC DISBONDING PERFORMANCE OF 3PE PIPELINE COATING
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Abstract
3PE coating is the most widely used protection technology in current pipeline projects.All underground steel pipelines are protected by using cathodic protection combined with anti-corrosion coating.The mechanism and occurring condition of cathodic disbonding of pipeline coating were analyzed and the influence of polarizing potential on the cathodic disbonding performance of 3PE coating was studied.The variation of polarizing potential made a little influence on the cathodic disbonding performance of 3PE coating under a certain condition.
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