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电镀与表面精饰近期研究专辑( 哈尔滨工业大学 安茂忠教授主编)

镀锡层上钛-磷复合体系钝化膜的制备与表征

  • 王紫玉 ,
  • 王洺浩 ,
  • 黎德育 ,
  • 李宁
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  • 哈尔滨工业大学化工与化学学院,黑龙江 哈尔滨 150001

收稿日期: 2017-04-14

  修回日期: 2017-05-19

  网络出版日期: 2017-05-24

Preparation and Characterization of Titanate-Phosphate Passivation Film on Tinplate

  • WANG Zi-yu ,
  • WANG Ming-hao ,
  • LI De-yu ,
  • LI Ning
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  • School of Chemistry and Chemical Engineering, Harbin Institute of Technology., Harbin 150001 China

Received date: 2017-04-14

  Revised date: 2017-05-19

  Online published: 2017-05-24

摘要

通过钛盐与磷酸盐体系复配的方法,在镀锡层表面得到了一种钛-磷复合体系钝化膜. 利用扫描电子显微镜(SEM)、X射线光电子能谱 (XPS)、盐雾试验、Tafel极化曲线和EIS交流阻抗谱测试等方法,研究了所得钝化膜的表面形貌、组成与耐蚀性能. 结果表明,得到的钝化膜层的主要组成成分为Ti3(PO4)4nH2O和TiO2,在镀锡层表面结晶细致并有封孔的作用,因此有很好的耐蚀性能.
 

本文引用格式

王紫玉 , 王洺浩 , 黎德育 , 李宁 . 镀锡层上钛-磷复合体系钝化膜的制备与表征[J]. 电化学, 2018 , 24(1) : 13 -19 . DOI: 10.13208/j.electrochem.170442

Abstract

A passivation film was prepared on tinplate surface with a composite passivating agent made of titanate and phosphate. The surface morphologies, chemical compositions and corrosion resistances of the passivation films were characterized by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), salt spray test, Tafel polarization measurement and electrochemical impedance spectroscopy (EIS). The results were compared with those films untreated and treated with titanate or phosphate passivation. It was shown that the titanate and phosphate passivation film was mainly composed of Ti3(PO4)4·nH2O and TiO2. The finely crystallized surface could seal holes, therefore, a good passivation performance on tinplates could be achieved.

参考文献

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