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材料工程  2018, Vol. 46 Issue (9): 144-151    DOI: 10.11868/j.issn.1001-4381.2017.000509
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
铝合金超疏水转化膜的制备与性能
万闪1, 姜丹1, 蔡光义1, 廖圣智2, 董泽华1
1. 华中科技大学 化学与化工学院 材料服役失效湖北省重点实验室, 武汉 430074;
2. 中航工业特种飞行器研究所, 湖北 荆门 448035
Preparation and Properties of Superhydrophobic Conversion Film on Aluminium Alloy
WAN Shan1, JIANG Dan1, CAI Guang-yi1, LIAO Sheng-zhi2, DONG Ze-hua1
1. Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;
2. AVIC Special Vehicle Research Institute, Jingmen 448035, Hubei, China
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摘要 通过超声辅助FeCl3/HCl混合溶液化学刻蚀、高锰酸钾钝化和超声沉积1H,1H,2H,2H-全氟癸基三氯硅烷(PFCPS),在AA6061铝合金表面构建一层超疏水转化膜。采用场发射扫描电镜、接触角测试及红外光谱分别表征该超疏水转化膜的微观形貌、疏水性能和化学成分。结果表明:铝合金经超疏水处理后,不仅其水接触角可达到153°,且具有较好的自清洁性、抗酸碱侵蚀能力、耐摩擦能力和抗腐蚀能力。相较于传统的静置法,超声制备的超疏水铝合金表面不仅可改善PFCPS在Al基体表面自组装的均匀程度,而且提高其与铝合金基体的结合力,形成具有良好防护性能的超疏水保护层。
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万闪
姜丹
蔡光义
廖圣智
董泽华
关键词 铝合金超疏水抗腐蚀自清洁耐摩擦    
Abstract:A superhydrophobic conversion film on AA6061 aluminium alloy was prepared via ultrasonication-assistant chemical etching by FeCl3/HCl aqueous solution,KMnO4 passivation,and ultrasonic deposition of trichloro (1H,1H,2H,2H-heptadecafluorodecyl) silane. Field emission scanning electron microscopy (FESEM),contact angle test and Fourier transform infrared spectrometer (FTIR) were used to investigate the morphology,hydrophobicity,and chemical compositions of superhydrophobic conversion film, respectively. The results show that superhydrophobic surface exhibits a high contact angle of 153° and endows the Al matrix promising self-cleaning ability, resistance to acid or alkali erosion, anti-friction and anti-corrosion capability. Compared with the dipping method, ultrasonic preparation of superhydrophobic film on Al alloy surface can not only improve the homogeneity of self-assembly of PFCPS, but also enhance its bonding force with Al matrix and form a superhydrophobic film with good protective performance.
Key wordsaluminium alloy    superhydrophobicity    anti-corrosion    self-cleaning    anti-friction
收稿日期: 2017-04-25      出版日期: 2018-09-19
中图分类号:  TB383  
通讯作者: 董泽华(1968-),男,教授,博士,主要从事金属腐蚀与防护、腐蚀电化学、电化学科学仪器以及工业腐蚀监测方法等领域的研究,E-mail:zehua.dong@gmail.com     E-mail: zehua.dong@gmail.com
引用本文:   
万闪, 姜丹, 蔡光义, 廖圣智, 董泽华. 铝合金超疏水转化膜的制备与性能[J]. 材料工程, 2018, 46(9): 144-151.
WAN Shan, JIANG Dan, CAI Guang-yi, LIAO Sheng-zhi, DONG Ze-hua. Preparation and Properties of Superhydrophobic Conversion Film on Aluminium Alloy. Journal of Materials Engineering, 2018, 46(9): 144-151.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2017.000509      或      http://jme.biam.ac.cn/CN/Y2018/V46/I9/144
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