超疏水Co-MoS2复合镀层的制备及其性能

doi:10.13251/j.issn.0254-6051.2022.11.043

金属热处理 ›› 2022, Vol. 47 ›› Issue (11): 253-260.DOI: 10.13251/j.issn.0254-6051.2022.11.043

超疏水Co-MoS₂复合镀层的制备及其性能

刘灿森, 甄浩文, 黄琪珊, 陈婉琳, 揭晓华

广东工业大学材料与能源学院, 广东广州 510006

收稿日期:2022-06-18 修回日期:2022-09-29 出版日期:2022-11-25 发布日期:2023-01-04
作者简介:刘灿森(1988—),男,讲师,博士,主要研究方向为耐磨耐蚀、疏水材料的制备及应用,E-mail:liucs@gdut.edu.cn
基金资助:
广州市科技计划(202201010495);国家自然科学基金(51805089);大学生创新创业训练项目(xj2022118450648)

Preparation and properties of superhydrophobic Co-MoS₂ composite coating

Liu Cansen, Zhen Haowen, Huang Qishan, Chen Wanlin, Jie Xiaohua

School of Materials and Energy, Guangdong University of Technology, Guangzhou Guangdong 510006, China

Received:2022-06-18 Revised:2022-09-29 Online:2022-11-25 Published:2023-01-04

摘要/Abstract

摘要： 采用一步电沉积法制备了具有优异耐磨耐蚀的超疏水Co-MoS₂复合镀层。利用扫描电镜、X射线衍射仪、激光共聚焦显微镜、接触角测试仪及电化学工作站等系统研究了电流密度和电沉积时间对复合镀层的微观形貌结构、润湿性、自清洁效果、耐磨和耐蚀性能的影响规律及机理。结果表明,当电流密度为20 A/dm²,电沉积时间为30 min时,Co-MoS₂复合镀层实现超疏水效果,接触角达到最大值约151.4°,具有良好的自清洁防污性能。在2.5 kPa压力下与800 目砂纸摩擦1200 mm后,镀层表面仍具有高于146°接触角的良好疏水性,表现出优异的耐磨性能。该超疏水复合镀层还具有较好的耐腐蚀性能。一步电沉积法简单、经济高效且环保制备了高性能超疏水复合镀层,可望实现超疏水材料的实际应用。

关键词: 一步电沉积, 钴-二硫化钼复合镀层, 超疏水, 自清洁, 耐磨耐蚀性能

Abstract: A superhydrophobic Co-MoS₂ composite coating with excellent wear and corrosion resistance was prepared by one-step electrodeposition method. The influence law and mechanism of current density and electrodeposition time on microstructure, wettability, self-cleaning effect, wear and corrosion resistance of the composite coatings were systematically studied by means of scanning electron microscope, X-ray diffractometer, laser confocal microscope, contact angle tester and electrochemical workstation. The results show that the Co-MoS₂ composite coatings possess the superhydrophobic effect with the maximum contact angle value about 151.4°, good self-cleaning and anti-fouling performance under the current density of 20 A/dm² and electrodeposition time of 30 min. The coating surface still maintains good hydrophobicity with contact angle higher than 146° after the abrasion with 800 grit sandpaper for 1200 mm under pressure of 2.5 kPa, showing excellent wear resistance. Besides, the superhydrophobic composite coating also displays good corrosion resistance. The simple, cost-effective and environment friendly one-step electrodeposition method for fabrication superhydrophobic composite coating with high-performance is expected to realize the practical application of superhydrophobic materials.

Key words: one-step electrodeposition, Co-MoS₂ composite coatings, superhydrophobicity, self-cleaning, wear and corrosion resistance

中图分类号:

TG174.4

刘灿森, 甄浩文, 黄琪珊, 陈婉琳, 揭晓华. 超疏水Co-MoS₂复合镀层的制备及其性能[J]. 金属热处理, 2022, 47(11): 253-260.

Liu Cansen, Zhen Haowen, Huang Qishan, Chen Wanlin, Jie Xiaohua. Preparation and properties of superhydrophobic Co-MoS₂ composite coating[J]. Heat Treatment of Metals, 2022, 47(11): 253-260.

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超疏水Co-MoS₂复合镀层的制备及其性能

Preparation and properties of superhydrophobic Co-MoS₂ composite coating

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