A procedure is described for fitting empirical parameters pertaining to activation, concentration, and resistance polarization to experimental polarization curves. Simple superposition of the currents carried by different electrode reactions is assumed. The technique involves an interactive computer graphics procedure in which successive guesses as to the values of empirical constants are evaluated by display of empirical and calculated curves on a graphics terminal. A detailed example is given in which eleven constants are fit to an electrode process involving one anodic and two cathodic reactions.

Subject
Electric current, Diffusion, Fittings, Cathodic current, Polarization curves, Constants, Anodic reactions, Experimental data, Polarization, Polarization resistance, Electrodes, Rest potential, Oxidation
© 1979 National Association of Corrosion Engineers
1979
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