Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第13卷    第4期    总第55期    2003年8月

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文章编号:1004-0609(2003)04-1051-06
铅镉二元合金的共沉积添加剂
高云芳1, 张鉴清2, 张 昭2, 李祖光1, 刘文涵1

(1. 浙江工业大学 化学与材料工程学院, 杭州 310014; 
2.浙江大学 化学系, 杭州 310027
)

摘 要: 采用线性电位扫描法对铅、 镉二元合金共沉积中适用的添加剂进行了筛选, 研究了不同种类添加剂对铅、 镉电沉积的影响, 并分析讨论了添加剂的作用。通过对合金镀层中铅、 镉元素含量的测定和合金镀层对应的阳极溶出极化曲线的测试和分析, 证明了合金镀层中的铅、 镉是一种单金属混合物。 研究结果表明, 采用本合金电沉积技术可获得镀层性能良好的、不同镉含量的铅、 镉二元合金镀层。

 

关键字: 铅; 镉; 合金电沉积; 添加剂

Additives for electrodeposition of 
lead-cadmium alloy
GAO Yun-fang1, ZHANG Jian-qing2, ZHANG Zhao2,
 LI Zu-guang1, LIU Wen-han1

1. College of Chemistry and Materials Engineering, 
Zhejiang University of Technology, Hangzhou 310014, China;
2. Department of Chemistry, Zhejiang University, Hangzhou 310027, China

Abstract:The electrodeposition of lead-cadmium alloy in aminosulfate bath was studied. The additives suitable for lead-cadmium electrodeposition were chosen by the method of linear potential sweep electrochemical technique. The effect of additives on the electrodepositions of lead, cadmium and lead-cadmium alloy were analyzed. The mechanism of the function of additives was also discussed. The phase composition in the Pb-Cd alloy is detected by electrochemical anodic dissolution and it is confirmed that both lead and cadmium exist in the form of mechanically single metal phase (not solid solution ). It is concluded that this technique can be used for the preparation of lead-cadmium alloy plating which contains different content of cadmium.

 

Key words: lead; cadmium; alloy electrodeposition; additive

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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