Study an Analysis and Suggest New Mechanism of 3 Layer Polyethylene Coating Corrosion Cooling Water Pipeline in Oil Refinery in IranJournal: International Journal of Innovation and Applied Studies (Vol.1, No. 2)
Publication Date: 2012-12-30
Authors : Samimi Amir;
Page : 216-225
Keywords : Polyethylene Cover; Epoxy Layer; Outer Corrosion; Initial Adhesiveness;
The corrosion of pipelines' coatings is one of the main problems in oil and gas industries for which a large amount of money is spent each year. Coating is the first defense line in front of a corrosive environment in which pipes have been buried. Good function of coating depends on its adhesiveness rate to the metal surface. Initial adhesiveness and its durability in the contact conditions are among those factors that enhance coating efficiency in long term. Coverage in line pipes include of high costs. For this selecting cover and how apply is high important. Three fold polyethylene's include of epoxy layers, adhesive and polyethylene. Each other from layers having attributes that increasing its application for long term. Polyethylene layer is good shelter for prevent of physical damages. In attention to corrosion in lower temperature is an electrochemical reaction and rate of a electrochemical reaction is very impress of a element or very reactor from surface.
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