Electrochemical Investigation of Corrosion on AISI 316 Stainless Steel and AISI 1010 Carbon Steel: Study of the Behaviour of Imidazole and Benzimidazole as Corrosion Inhibitors
Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50548#.VECR7lfHRK0 Author(s) Roberta R. Moreira , Thiago F. Soares , Josimar Ribeiro Affiliation(s) Department of Chemistry, Federal University of Espirito Santo, Vitoria, Brazil . ABSTRACT An electrochemical investigation of the corrosion on AISI 316 austenitic stainless steel and AISI 1010 carbon steel in sodium chloride solution (3.0 wt.%) was performed in the absence and presence of imidazole and benzimidazole corrosion inhibitors. The results showed that at any inhibitor concentration (25 ppm to 1000 ppm), there was an increase in the polarisation resistance of both steels. The highest efficiency of corrosion inhibition was obtained using imidazole at a con...