Electrochemical Behaviors of Pb-Ca Alloys and Pb-Ca-SnX-Al Alloys under 60°C in 5mol•L-1 H2SO4 Solution

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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.

Info:

Periodical:

Advanced Materials Research (Volumes 335-336)

Edited by:

Yun-Hae Kim, Prasad Yarlagadda, Xiaodong Zhang and Zhijiu Ai

Pages:

826-830

DOI:

10.4028/www.scientific.net/AMR.335-336.826

Citation:

L. Z. Wang et al., "Electrochemical Behaviors of Pb-Ca Alloys and Pb-Ca-SnX-Al Alloys under 60°C in 5mol•L-1 H2SO4 Solution", Advanced Materials Research, Vols. 335-336, pp. 826-830, 2011

Online since:

September 2011

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Price:

$35.00

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