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材料工程  2018, Vol. 46 Issue (1): 53-60    DOI: 10.11868/j.issn.1001-4381.2017.000098
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
激光微织构与自组装对铝合金表面润湿性的影响
李杰1, 王超磊2, 刘玉德1, 高东明1, 张会臣3
1. 北京工商大学 材料与机械工程学院, 北京 100048;
2. 北京仿真中心 航天系统仿真重点实验室, 北京 100854;
3. 大连海事大学 交通运输装备与海洋工程学院, 辽宁 大连 116026
Wettability of Surface on Aluminum Alloy Based on Laser Micro-textured and Self-assembled Technique
LI Jie1, WANG Chao-lei2, LIU Yu-de1, GAO Dong-ming1, ZHANG Hui-chen3
1. School of Materials and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China;
2. Science and Technology on Special System Simulation Laboratory, Beijing Simulation Center, Beijing 100854, China;
3. Transportation Equipments and Ocean Engineering College, Dalian Maritime University, Dalian 116026, Liaoning, China
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摘要 利用激光加工在铝合金表面进行微织构,通过自组装工艺在微织构表面修饰有机硅烷分子膜,制备得到具有疏水/超疏水性表面。利用扫描电镜、三维形貌仪、接触角测量仪对微织构表面微观形貌和润湿性进行表征。结果表明:激光微织构具有的微米级粗糙结构与自组装分子膜的共同作用对超疏水表面的构建具有重要作用;接触角随激光微织构加工间距(50~100μm)的减小而增大,且与微织构的形貌类型相关。漂浮承载实验表明,超疏水表面符合Cassie-Baxter状态模型,且可有效提高平台的漂浮承载能力。
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李杰
王超磊
刘玉德
高东明
张会臣
关键词 润湿性激光微织构自组装接触角承载力    
Abstract:Micron texture was first introduced on aluminum alloy substrate by laser manufacturing. Subsequently,perfluorodecyltrichlorosilane(FDTS) was deposited on these surfaces by nanocoating technology through a self-assembly route to form hydrophobic/superhydrophobic aluminum alloy surface. Scanning electron microscope, surface profiler and contact angle measurement were used to characterize the surface properties, and wettability of specimens. The results indicate that the joint action of micron level rough structure of microtexture by laser manufacturing and SAMs plays an important role in preparing superhydrophobic surface. Contact angle of the water droplet on the substrate increases with pitch decreasing(50-100μm),and is related to the type of laser microtexture. The carrying capacity experiments of floating platform show that superhydrophobic surface is in accord with the Cassie-Baxter model state, and can effectively improve the carrying capacity of the floating platform.
Key wordswettability    laser micro-textured    self-assembled    contact angle    carrying capacity
收稿日期: 2017-01-19      出版日期: 2018-01-18
中图分类号:  TB37  
通讯作者: 李杰(1984-),男,博士,讲师,研究方向:微纳米摩擦学,联系地址:北京市海淀区阜成路11号北京工商大学材料与机械工程学院(100048),E-mail:lijie0739@btbu.edu.cn     E-mail: lijie0739@btbu.edu.cn
引用本文:   
李杰, 王超磊, 刘玉德, 高东明, 张会臣. 激光微织构与自组装对铝合金表面润湿性的影响[J]. 材料工程, 2018, 46(1): 53-60.
LI Jie, WANG Chao-lei, LIU Yu-de, GAO Dong-ming, ZHANG Hui-chen. Wettability of Surface on Aluminum Alloy Based on Laser Micro-textured and Self-assembled Technique. Journal of Materials Engineering, 2018, 46(1): 53-60.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2017.000098      或      http://jme.biam.ac.cn/CN/Y2018/V46/I1/53
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