Liu Jingkun,Ouyang Yibo,et al.Compositing fluid infused surface on Cu for corrosion inhibition[J].Plating & Finishing,2023,(11):46-53.[doi:10.3969/j.issn.1001-3849.2023.11.007]
复合流体涂层用于Cu金属的防腐蚀研究
- Title:
-
Compositing fluid infused surface on Cu for corrosion inhibition
- Keywords:
- superhydrophobic ; copper ; compositing fluid infused surface ; electrodeposition
- 分类号:
- TQ153.1
- 文献标志码:
- A
- 摘要:
- 采用电沉积法在纯铜表面制备了树枝状 Cu 2 O ，经过正十二硫醇改性制备超疏水涂层，将疏水化的 Fe 3 O 4 纳米颗粒与油相混合，注入超疏水铜表面，制备复合流体涂层。采用扫描电镜（ SEM ）、接触角测试仪对涂层不同阶段的形貌结构、润湿性进行了分析，采用扫描开尔文探针（ SKP ）研究了超疏水涂层、复合流体涂层与纯铜表面的电位变化，采用电化学阻抗谱和极化曲线等方法研究了超疏水涂层、复合流体涂层在大气环境和 3.5 wt.% NaCl 溶液中的耐腐蚀性能。结果表明，复合流体涂层在 3.5 wt.% NaCl 溶液中浸泡 20 d 后，腐蚀电流仍小于超疏水涂层和纯铜的腐蚀电流密度，复合流体涂层具有较好的耐久性和耐腐蚀性。
- Abstract:
- ： In this paper ， dendritic Cu 2 O structure was prepared on pure copper surface by electrodeposition ， and the superhydrophobic coating was prepared by the modification with n-dodecanethiol. The hydrophobized Fe 3 O 4 nanoparticles and the oil phase were mixed and infused into the superhydrophobic copper surface to prepare a composite fluid coating. The morphology and wettability of the coating at different stages were analyzed by scanning electron microscope （ SEM ） and contact angle tester ， respectively. The surface potential changes of superhydrophobic coating ， composite fluid coating and pure copper were studied by scanning Kelvin probe （ SKP ） . The corrosion resistance of superhydrophobic composite fluid coating in atmospheric environment and 3.5 wt.% NaCl solution was studied by electrochemical impedance spectroscopy and polarization curve. The results showed that the corrosion current of the composite fluid coating was still lower than that of the superhydrophobic coating and pure copper after soaking in 3.5 wt.% NaCl solution for 20 days. The composite fluid coating had good durability and corrosion resistance.
参考文献/References:
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备注/Memo
收稿日期： 2019-09-03 修回日期： 2019-10-28 作者简介 ： 刘井坤（ 1994 ―）， 男，硕士，主要研究方向为材料腐蚀与防护， email ： liujkscul@163.com 通讯著者： 马伯江， email ： mbj2018@sina.com ；胡术刚， email ： husg8921@163.com?/html>