碱性电镀锌镍合金的研究

中国腐蚀与防护学报

2012, Vol. 32

Issue (6): 443-448

研究报告

本期目录 | 过刊浏览

碱性电镀锌镍合金的研究

鹿文珊¹^,徐天凤¹，陈宇¹,张昭¹，张鉴清^1,2

1. 浙江大学化学系杭州310027

2. 中国科学院金属研究所金属腐蚀与防护国家重点实验室沈阳 110016

ZINC-NICKEL ALLOY ELECTROPLATING IN AN ALKALINE BATH

LU Wenshan¹, XU Tianfeng¹, CHEN Yu¹, ZHANG Zhao¹, ZHANG Jianqing^1,2

1. Department of Chemistry, Zhejiang University, Hangzhou 310027

2. State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Science Shenyang 110016

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摘要:

采用恒电流沉积方法和X射线能谱(EDS)技术，研究了碱性Zn-Ni合金的主要电沉积工艺参数对镀层组成的影响规律，获得了Ni含量稳定为(11~13)mass%的Zn-Ni合金镀层，证实了Zn-Ni合金的共沉积过程遵循异常共沉积机制。采用扫描电镜(SEM)、原子力显微镜(AFM)和X射线衍射仪(XRD)等对优化的Zn-Ni合金镀层进行了表征，发现镀层主要具有γ相(NiZn₃)结构，其表面平整、致密、光亮；腐蚀测试表明Zn-Ni合金镀层具有优良的耐蚀性能。

关键词 ：锌镍合金, 电镀, 碱性, 异常共沉积, 耐蚀性

Abstract：

Zinc-nickel alloy coatings were electroplated from an alkaline electrolyte using direct current, the influences of principal technological parameters on the composition of zinc-nickel alloy coatings were studied using energy dispersive spectrometer (EDS). The results show that the content of nickel in Zn-Ni deposits kept between 11% and 13% and the co-deposition of zinc and nickel behaved anomalously. The microstructure of the optimized deposition was characterized by scanning transmission electron microscope (SEM), atomic force microscope (AFM) and X-ray diffractometer (XRD), the results showed that the Zn-Ni deposits consisted mainly of the γ-phase(NiZn₃) and the film was compact and fine-grained. Meanwhile, the Tafel plot measurements proved the coating had good corrosion resistance.

Key words： zinc-nickel alloy electroplating alkaline anomalous co-deposition corrosion resistance

收稿日期: 2011-11-28

ZTFLH:

O646

基金资助:

国家自然科学基金(50771092和21073162)，嘉兴市精英引领计划和浙江省自然科学基金(Y4100206)资助}

通讯作者: 张昭 E-mail: eaglezzy@zju.edu.cn

Corresponding author: ZHANG Zhao E-mail: eaglezzy@zju.edu.cn

作者简介: 鹿文珊，女，1986年生，硕士生，研究方向为电化学

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引用本文:

鹿文珊,徐天凤，陈宇,张昭，张鉴清. 碱性电镀锌镍合金的研究[J]. 中国腐蚀与防护学报, 2012, 32(6): 443-448.
LU Wenshan, XU Tianfeng, CHEN Yu, ZHANG Zhao, ZHANG Jianqing. ZINC-NICKEL ALLOY ELECTROPLATING IN AN ALKALINE BATH. Journal of Chinese Society for Corrosion and protection, 2012, 32(6): 443-448.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2012/V32/I6/443

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