Article ID Journal Published Year Pages File Type
5439870 Corrosion Science 2017 56 Pages PDF
Abstract
Inhibition effect of imidazoline (IM) inhibitor on the crevice corrosion of N80 carbon steel in CO2-saturated NaCl solution containing acetic acid (HAc) was investigated by weight loss and electrochemical measurements, and surface analysis. The inhibition effect in the solution with 3 g/L HAc, where IM as a mixed-type inhibitor with predominant cathodic effectiveness, is more prominent than that in the solution with 1 g/L HAc, where IM as a mixed-type inhibitor with predominant anodic effectiveness. IM can inhibit the crevice corrosion of the steel when added at the beginning, but not when added after corrosion for a period of time.
Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
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