The three-point method (TPM) as introduced by Barnartt, is shown to have some advantages over the linear polarization method in measuring corrosion rates. Experimental results on iron, theoretical limitations, and various potential sequences are discussed.

Subject
Electric current, Anode potential, Perturbation method, Corrosion currents, Corrosion rate, Current measurements, Experimental data, Anodic current, Corrosion data, Brines, Tafel slope, Corrosion potential, Electrode potential
National Association of Corrosion Engineers
1982
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