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镍离子对中磷镍基体氯化胆碱无氰浸金表面的改善

  • 徐天宇 ,
  • 王世颖 ,
  • 王文昌 ,
  • 陈智栋
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  • 1.常州大学石油化工学院,江苏 常州 213164;2. 常州大学材料科学与工程学院,江苏 常州 213164

收稿日期: 2017-04-17

  修回日期: 2017-10-19

  网络出版日期: 2017-10-20

基金资助

国家自然科学基金(No. 51574047、No. 51601020)项目资助

Surface Ehancement of Nickel Ions on Cyanide Free Immersion Gold Deposited from a Chloroauric Acid-Choline Chloride Solution on Medium-Phosphorus Nickel

  • XU Tian-yu ,
  • WANG Shi-ying ,
  • WANG Wen-chang ,
  • CHEN Zhi-dong
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  • 1. School of Pertochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, China; 2.School of Materials Science & Engineering, Changzhou University, Changzhou, Jiangsu 213164, China

Received date: 2017-04-17

  Revised date: 2017-10-19

  Online published: 2017-10-20

摘要

本文通过加入氯化镍解决了作者实验室之前开发的新型氯化胆碱(ChCl)无氰浸金液不适用于中磷镍基底上的问题. 氯化镍的加入不会对镀速产生明显影响,500 mg·L-1的六水合氯化镍可以有效缓解浸金液对镍基底的过度腐蚀,并能改善镀金层的表面质量. 改良后的氯化胆碱体系镀液对中磷镍基底有良好的适用性,同时对所用的添加剂镍离子具有较高的承载能力(六水合氯化镍2000 mg·L-1),因此该镀液体系具备了应用于工业生产的潜力.

本文引用格式

徐天宇 , 王世颖 , 王文昌 , 陈智栋 . 镍离子对中磷镍基体氯化胆碱无氰浸金表面的改善[J]. 电化学, 2018 , 24(1) : 36 -39 . DOI: 10.13208/j.electrochem.170445

Abstract

The nickel ions (Ni2+) were introduced into choline chloride (ChCl) cyanide free immersion gold solution to improve the surface quality of electrodeposition on medium-phosphorus nickel substrate. The addition of Ni2+ had no significant impact on the plating speed. However, the hyperactive corrosion of nickel substrate could be effectively alleviated by the addition of 500 mg·L-1 NiCl2·6H2O, and the surface morphology of gold coating could be greatly improved. The choline chloride bath has great potential for industrial production due to its high Ni2+ carrying capacity (2000 mg·L-1) and superior applicability to medium-phosphorus nickel substrate.

参考文献

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