MODIFICATION RESEARCH ON THE INFLUENCE ON CORROSION FILM PROPERTIES OF Pb-Ca-Sn ALLOYS OFWITH ADDITION OF Bi, Ag and Zn

被引：0
|
作者：
Xu, Lei [1 ]
Liu, Lijun [1 ]
Zhu, Peixian [2 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Peoples R China
[2] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Peoples R China
来源：
TMS 2012 141ST ANNUAL MEETING & EXHIBITION - SUPPLEMENTAL PROCEEDINGS, VOL 1: MATERIALS PROCESSING AND INTERFACES | 2012年
关键词：
Pb-Ca-Sn Alloy; cyclic voltammetry; corrosion film; electrochemical property; LEAD; BISMUTH;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The influences of addition of Bi, Ag and Zn on the electrochemical corrosion film properties of Pb-Ca-Sn(Ca=0.08%, Ca=1.2%) alloys were studied in this paper. The electrochemical properties of corrosion film were investigated by XRD, SEM, Tafel curve test and cyclic voltammetry (CV) test, respectively when the Pb-Ca-Sn alloys were in 1.28 g/mL of H2SO4 solution. The results show that effects of different elements on the electrochemical corrosion film properties of Pb-Ca-Sn alloys are different and obvious. More specific, the corrosion film becomes thicker and the crystal particles are bigger when Bi is added, and the corrosion product is mainly PbO; However, the corrosion film becomes thinner and crystal particles are smaller when Ag and Zn are added, and the corrosion product is mainly PbO2.
引用
收藏
页码：87 / 94
页数：8
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