Abstract
Abstract: The impact of temperature on CO2 corrosion were investigated by weight loss, in situ electrochemical measurements and characterization of corrosion product film. The results showed that with the increase of temperature, corrosion rate decreased remarkably, which can be ascribed to different product film formed on metal surface. As the temperature increased, the growth tendency of FeCO3 crystals on the (012) plane becomes more pronounced, ultimately forming a dense film. Synchrotron based computed laminography (SRCL) analysis proved the porosity of products decreased with the rising of temperature. The relationship between microstructure of product film and corrosion rate had also been proposed.
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