Abstract
Abstract This study is focused on an influence of heat transfer on corrosion behaviour of structural materials for radioactive waste canister in synthetic bentonite pore water and bentonite suspension. Experiments were carried out in special cell on cylindrical sample of carbon steel, copper, titanium-palladium alloy and two types of stainless steel. Samples were subjected in synthetic bentonite pore water to sixty-fold higher heat transfer compared to real repository, and approximately thirty-fold higher in bentonite suspension. Corrosion behaviour was observed in two-electrode setup with platinum wire as counter electrode by means of electrochemical impedance spectroscopy. Results showed negligible effect of heat transfer compared to surface temperature.
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