Comparative Tests of Corrosion Reinforcement Inhibitors in Reinforced-Concrete Specimens Based on Electrochemical Measurements

I. A. Gedvillo and A. S. Zhmakina

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russia
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Received June 14, 2006

Abstract — The possibility of reducing the time required for testing corrosion inhibitors for reinforced-concrete specimens is considered. The constant supply of water to the specimens with the addition of no less than 3% chloride ion to concrete and constant-anode polarization with a low-power source are shown to ensure the accelerated transition of the reinforcement elements from a passive state to active dissolution. Under the conditions of such dissolution, the efficiency of IFKh-90 and MCI 2020 inhibiting additives to concrete is assessed.