广西师范大学学报(自然科学版) ›› 2016, Vol. 34 ›› Issue (1): 134-139.doi: 10.16088/j.issn.1001-6600.2016.01.021

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CTAB与BDA对45号钢镀锌层耐腐蚀性的影响

王顺, 范海林, 李庆余   

  1. 广西师范大学化学与药学学院,广西桂林541004
  • 收稿日期:2015-08-04 发布日期:2018-09-14
  • 通讯作者: 李庆余(1962—),男,湖南邵东人,广西师范大学教授,博士。E-mail:13975808173@126.com
  • 基金资助:
    国家自然科学基金资助项目(21473042)

Influence of CTAB and BDA on Corrosion Resistance ofZn Coating on the Surface of 45# Steel

WANG Shun, FAN Hailin, LI Qingyu   

  1. School of Chemistry and Pharmaceutical Sciences,Guangxi Normal University,Guilin Guangxi,541004,China
  • Received:2015-08-04 Published:2018-09-14

摘要: 采用CTAB(十六烷基三甲基溴化铵)与BDA(苄叉丙酮)作为添加剂在45号钢上进行镀锌,研究这2种添加剂对镀锌层耐腐蚀性的影响。通过利用SEM、XRD对镀锌层形貌和晶体结构、晶粒尺寸进行比较,利用塔菲尔极化曲线以及交流阻抗等测试方法对镀锌层耐腐蚀性能进行比较。结果表明,CTAB、BDA的添加改变了镀锌层的表面形貌,晶粒尺寸由微米尺寸变为纳米尺寸,晶面(110)为择优取向,提高了镀层的耐腐蚀性能;同时添加CTAB与BDA所得到的镀层形貌紧凑、平整,耐腐蚀性能最好。

关键词: 45号钢, 镀锌, CTAB, BDA, 耐腐蚀性能

Abstract: Zn coatings were prepared on the surface of 45# steel by using cetyltrimethylammonium bromide and benzalacetone as additives. Influence of the two additives on corrosion resistance of Zn coatings was investigated. The morphology and crystalline structure,grain sizes were characterized by SEM and XRD. The corrosion resistance of the coatings were analyzed by Tafel and EIS tests. The results showed that addition of CTAB and BDA changed the surface morphology and the grain size changed from micron size to nanometer size. Meanwhile,the crystal plane (110) was the crystallographic preferential orientation of Zn coatings and the corrosion resistance of Zn coatings increased. The coatings obtained by adding both CTAB and BDA were more compact and smooth,which enhanced the corrosion resistance of Zn coatings.

Key words: 45# steel, Zn plating, CTAB, BDA, corrosion resistance

中图分类号: 

  • TQ153.1
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