Abstract
Abstract: The microscopic structure of Pb-Ca alloys and Pb-Ca-SnX-Al alloys was observed by scanning electron microscope (SEM). The high temperature effect on corrosion behaviors and anode film Pb(Ⅱ) of Pb-Ca alloys and Pb-Ca-SnX-Al alloys was studied using linear sweep voltammetry, electrochemical impedance spectra (EIS) and AC voltammetry. It was found that the oxidation tendency of t-PbO to nonstoichiometric oxide PbOx and PbSO4 to ß-PbO2 may be increased at high temperature. With the increase of tin content, total corrosion and harm of corrosion can be reduced, the resistance of anode film decreased and the ions motion tendency enhanced.
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