铝及铝合金表面超疏水协和涂层的制备与性能研究  

Preparation and Properties of Super-hydrophobic Synergistic Coating on Aluminum and its Alloys

作　　者：刘圣[1] 耿兴国[1] 周晓峰[1] 吴建华[1] 欧修龙[1] 高鹏[1] 

机构地区：[1]西北工业大学应用物理系,西安710072

出　　处：《中国表面工程》2008年第3期30-34,共5页China Surface Engineering

基　　金：航天支撑技术基金资助项目(2004CH110002);西北工业大学研究生创新基金资助(Z200761)

摘　　要：对铝及铝合金硬质阳极氧化使其表面粗糙化,再利用低表面能的氟涂料进行表面修饰,制备的长寿命超疏水涂层其疏水角度达到了154o,滚动角小于6o。对该涂层的表面结构及超疏水性能进行的分析表明,表面粗糙化与低表面能物质的协同作用,获得了最优的疏水效果。所制备的超疏水协和涂层具备长寿命的特点,可在水下航行器减阻中得到应用。The surface of aluminum and its alloy was roughened by the hard anodizing at first, and then modified by the low surface energy paint（PTFE）. The water contact angle of the super-hydrophobic film could reach 154° and rolling angle reach 6°.The microstructure of different surfaces and their hydrophobic nature was studied. It was indicated that the best hydrophobic nature was obtained by the synergistic treatment of surface roughening plus low surface energy paint. The super-hydrophobic film showed a long service life and could be applied for the drag reduction of vehicle under water.

关 键 词：铝及铝合金 硬质阳极氧化 聚四氟乙烯 超疏水表面 

分 类 号：TG178[金属学及工艺—金属表面处理]