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Influence of N,N' - dimethylaminoethanol corrosion inhibitor on carbonation and chloride-induced corrosion of steel
The effect of N,N'-dimethylaminoethanol on the corrosion of steel due to carbonation as well as due to chloride ingress is experimentally investigated in this paper. Mortar mixtures were prepared with Portland and blended cements and were exposed in a curing room with a 10 % CO2 content and 50 % - 60 % relative humidity. Specimens remained in the above mentioned chamber for five weeks. Results available until at that age indicate that carbonation of all mixtures is significantly decreased of N,N'-dimethylaminoethanol is added in the mixture. Significant protection was also offered in the case of the presence of chlorides. In the latter case the inhibitor against reinforcement corrosion was evaluated by steel reinforcement specimens immersion in artificial concrete pore solution containing corrosion inhibitor and varying amounts of Cl(-) ions added as NaCl. The corrosion current density, corrosion rate and breakdown potential were determined by electrochemical methods (Linear and cyclic polarization).
Influence of N,N' - dimethylaminoethanol corrosion inhibitor on carbonation and chloride-induced corrosion of steel
The effect of N,N'-dimethylaminoethanol on the corrosion of steel due to carbonation as well as due to chloride ingress is experimentally investigated in this paper. Mortar mixtures were prepared with Portland and blended cements and were exposed in a curing room with a 10 % CO2 content and 50 % - 60 % relative humidity. Specimens remained in the above mentioned chamber for five weeks. Results available until at that age indicate that carbonation of all mixtures is significantly decreased of N,N'-dimethylaminoethanol is added in the mixture. Significant protection was also offered in the case of the presence of chlorides. In the latter case the inhibitor against reinforcement corrosion was evaluated by steel reinforcement specimens immersion in artificial concrete pore solution containing corrosion inhibitor and varying amounts of Cl(-) ions added as NaCl. The corrosion current density, corrosion rate and breakdown potential were determined by electrochemical methods (Linear and cyclic polarization).
Influence of N,N' - dimethylaminoethanol corrosion inhibitor on carbonation and chloride-induced corrosion of steel
Einfluss von N,N' - Dimethylaminoethanol-Korrosionsinhibitor auf das Carbonisieren und die chloridinduzierte Korrosion von Stahl
Batis, G. (author) / Rakanta, E. (author) / Theodoridis, B. (author) / Sideris, K.K. (author) / Psomas, K. (author) / Barvari, X. (author)
2003
14 Seiten, 3 Bilder, 4 Tabellen, 11 Quellen
Conference paper
English
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