Редколлегия Физикохимия Поверхности и Защита Материалов - Estimating Corrosion Current and Tafel Constants from the Curvature of Voltammetric Curves Near the

Estimating Corrosion Current and Tafel Constants from the Curvature of Voltammetric Curves Near the

15.12.2008 г.

Estimating Corrosion Current and Tafel Constants from the Curvature of Voltammetric Curves Near the Free-Corrosion Potential

V. S. Beleevskii*, K. A. Konev*, V. V. Novosadov**, and V. Yu. Vasil’ev**

* DOAO ORGENERGOGAS Enterprise for Organization and Operation
of Power-Mechanical Equipment in Gas Industry

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** Moscow State Institute of Steel and Alloys (Engineering University),
Leninskii pr. 4, Moscow, 119991 Russia

Received October 24, 2003

Abstract — Application of calculating the electrochemical corrosion parameters from direct polarization measurements near the free-corrosion potential is discussed. The reliability of indirectly determining corrosion currents and Tafel coefficients is estimated. The error is determined as a geometric sum of the effects taking into account the root-mean-square deviations of measured currents and polarization.