Journal
CORROSION SCIENCE
Volume 51, Issue 6, Pages 1228-1237Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2009.03.026
Keywords
Copper; Azole; Corrosion inhibition; Chloride media; Protective films
Funding
- Ministry of Science and Environmental Protection of Republic of Serbia [142 012]
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The literature dealing with copper behaviour in chloride media in the presence of azoles is studied in order to improve understanding of their action mechanism, protective films formed, and the possibility of their application according to the inhibition efficiency achieved. The corrosion inhibition effect results from inhibitor molecule adsorption on copper surface and formation of the protective complex coating. According to the results summarised, copper corrosion may be successfully inhibited by benzotriazole, phenyl derivatives of tetrazole, bypyrazoles and 2-methyl-5-mercapto-1,3,4-thiadiazole in NaCl solutions, and in HCl solutions by 5-chloro, benzotriazole, 3,5-diamino-1,2,4-triazole, and 4-methylimidazole. (C) 2009 Elsevier Ltd. All rights reserved.
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