| 柠檬酸钠含量和pH对锌合金表面镀镍的影响 |
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| 引用本文： | 柯知勤,吴浩杰,宋振纶. 柠檬酸钠含量和pH对锌合金表面镀镍的影响[J]. 电镀与涂饰, 2010, 29(10): 9-12 |
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| 作者姓名： | 柯知勤 吴浩杰 宋振纶 |
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| 作者单位： | 中国科学院宁波材料技术与工程研究所,浙江,宁波,315201;中国科学院宁波材料技术与工程研究所,浙江,宁波,315201;中国科学院宁波材料技术与工程研究所,浙江,宁波,315201 |
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| 基金项目： | 国家科技支撑计划，宁波市重大科技计划 |
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| 摘 要： | 采用柠檬酸钠作为镍配位剂,在ZAT10锌合金表面电沉积镍,利用扫描电镜、阴极极化等方法分析了镀层表面形貌和孔隙状况,研究了柠檬酸钠含量和镀液pH对镀镍层形貌的影响.结果表明,在柠檬酸钠含量为70～180g/L、镀液pH为4.7～7.0的条件下,所得镀镍层平整致密,无条纹、孔隙和裂纹产生.
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| 关 键 词： | 锌合金 镀镍 柠檬酸钠 阴极极化 镀层形貌 |
Effect of sodium citrate content and pH on nickel plating on zinc alloy surface |
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| KE Zhi-qin,WU Hao-jie,SONG Zhen-lun. Effect of sodium citrate content and pH on nickel plating on zinc alloy surface[J]. Electroplating & Finishing, 2010, 29(10): 9-12 |
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| Authors: | KE Zhi-qin WU Hao-jie SONG Zhen-lun |
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| Affiliation: | KE Zhi-qin,WU Hao-jie,SONG Zhen-lun Ningbo Institute of Materials Technology and Engineering,Chinese Academy of Sciences,Ningbo 315201,China |
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| Abstract: | The electrodeposition of nickel coating on the surface of ZAT10 zinc alloy was carried out with sodium citrate as nickel complexing agent.The deposit morphology and surface porosity status were analyzed by scanning electron microscopy and cathodic polarization.The influence of the content of sodium citrate and pH on the morphology of nickel deposit was studied.The results indicated that the nickel deposit obtained with sodium citrate 70-180 g/L at pH 4.7-7.0 is smooth,compact,and free of stripe,pore and cra... |
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| Keywords: | zinc alloy nickel plating sodium citrate cathodic polarization deposit morphology |
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