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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Influence of N,N'-Dimethylaminoethanol Corrosion Inhibitor on Carbonation and Chloride-Induced Corrosion of Steel
Author(s): G. Batis, E. Rakanta, B. Theodoridis, K. K. Sideris, K. Psomas, and X. Barvari
Publication: Special Publication
Appears on pages(s): 469-482
Keywords: blended cements; carbonation; concrete; corrosion; corrosion inhibitor; durability; electrochemical measurements; steel rebars
Abstract: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%C02 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 if N,N'-dimethylaminoethanol is added in the mixure. Significant protection was also offered in the case of the presence of chlorides. In the latter case the inhibiting behavior of N,N'dimethylaminoethanol based corrosion 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).
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