| 稀土对电沉积Zn-Fe-La三元合金性能影响的研究 |
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| 引用本文： | 陈阵,张英杰. 稀土对电沉积Zn-Fe-La三元合金性能影响的研究[J]. 表面技术, 2009, 38(1) |
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| 作者姓名： | 陈阵 张英杰 |
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| 作者单位： | 昆明理工大学理学院,云南,昆明,650093 |
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| 摘 要： | 为了获得更加光亮、致密的Zn-Fe-La三元合金镀层,针对电沉积Zn-Fe-La三元合金镀液组成及工艺条件,系统地研究了稀土对镀层成分含量、镀液稳定性、镀液分散能力以及pH值的影响,测定了镀层的极化曲线、稳定电位和极化电阻,比较了不同稀土含量对镀层耐蚀性的影响.结果表明:稀土的加入可提高镀液稳定性、分散能力,增加电沉积过程阴极极化,使阳极钝化前的活性区腐蚀电位正移,自溶解速度下降,有利于提高镀层耐蚀性,其耐蚀性比Zn-Fe合金镀层及纯Zn镀层有很大提高.
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| 关 键 词： | 电沉积 稀土 三元合金 阴极极化 耐蚀性 |
Investigation of the Effects of Rare-earth on Electrodeposite Zn-Fe-La Ternary Alloy |
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| CHEN Zhen,ZHANG Ying-jie. Investigation of the Effects of Rare-earth on Electrodeposite Zn-Fe-La Ternary Alloy[J]. Surface Technology, 2009, 38(1) |
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| Authors: | CHEN Zhen ZHANG Ying-jie |
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| Affiliation: | CHEN Zhen,ZHANG Ying-jie (Faculty of Science of Kunming University of Science , Technology,Kunming 650093,China) |
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| Abstract: | In order to obtain more bright and compact Zn-Fe-La ternary alloy,in accordance with the composition and process conditions of electrodeposition Zn-Fe-La ternary alloy electrolyte,(i) the effects of the rare earth on the content of coat,electrolyte stability,dispersancy and pH were investigated systematically;(ii) polarization curve,stationary potential and polarization resistance were determined;(iii) the effects of different rare earth contents on the corrosion resistivity were compared in the study.It wa... |
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| Keywords: | Electrodeposite Rare Earth Ternary alloy Cathodic polarization Corrosion resistance |
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