Corrosion Electrochemical Behavior of Tin Cadmium Alloys in a Sulfate Solution

V. V. Ekilik, A. G. Berezhnaya, A. A. Gerashchenko, and G. N. Ekilik

South Federal University, Rostov-on-Don, Russia

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Received March 27, 2008

Abstract — The behavior of preeutectic (by cadmium) and eutectic tin–cadmium alloys is studied compared to pure metals. The dependence of main characteristics of direct- and reverse-run polarization curves on the alloy composition is established. Information is obtained on the ratio between inhibiting and promoting adsorption of benzotriazole and potassium oleate, depending on the potential, dissolution character, and alloy composition. To compare the results of work [1], the corrosion–electrochemical behavior of tin–cadmium alloys in a sulfate solution was studied, depending on their composition and potential E and also the effect of benzimidazole (BI) and potassium oleate (PO) on it.