Abstract

The corrosion behaviour of carbon steel in simulated aerated concrete pore solution at different pH and temperature was investigated by in-situ corrosion potential, potentiodynamic polarization, and Tafel analysis, resulting in the deconvolution of the partial reactions. Fe dissolution is found to be independent of pH and dissoluble oxygen concentration (DO). Experimentally determined changes in the corrosion potential and the corrosion resistance of the steel result from a combination of changes in the partial anodic reaction of steel electrodissolution and the cathodic reduction of water in deoxygenated solutions or from oxygen reduction in aerated solutions with temperature and DO are described.

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