Abstract
The previous chapter has considered the electrode kinetics of corrosion processes under the control of activation polarization. Most of the examples in Chapter 7 were for metals corroding in acid solutions, in which the cathodic reaction is the evolution of hydrogen, a reaction which usually proceeds under activation control. As was also discussed in Chapter 7, a second major type of polarization process is concentration polarization, in which the electrode is polarized due to a concentration effect that occurs at the electrode surface. For cathodic processes, the most important concentration effect is the diffusion of dissolved oxygen to the metal surface and the subsequent reduction of oxygen by the half-cell reaction
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McCafferty, E. (2010). Concentration Polarization and Diffusion. In: Introduction to Corrosion Science. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-0455-3_8
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