CO2 corrosion rates of carbon steel obtained from a large number of experiments in a high pressure test loop with various strictly controlled environments and flow conditions were fitted to a semi-empirical model equation. This model combines a contribution of the flow-independent kinetics of the corrosion reaction with one from flow dependent mass transfer of dissolved CO2 by means of a resistance model. The model can be adjusted to reflect the influence of microstructure and composition of the steel.

Subject
Steel surfaces, Carbides, Composition, Correlation, Corrosion rate, Predicted corrosion rate, Flow velocity, Protective scales, Corrosion reactions, Constants, Mass transfer, Corrosion modeling, Steel
Keywords:
carbon dioxide, corrosion, kinetics, test loop, liquid flow velocity, mass transport, steel composition, microstmcture, model
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1995
Association for Materials Protection and Performance (AMPP)
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