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提出了一种利用纳秒光纤激光快速制备超疏水铝板表面的方法,对样品表面的接触角和粗糙度进行了测量。烘烤处理激光加工后的样品,得到了一系列具有不同润湿性能的铝板表面,增加激光能量密度可得到超疏水表面。研究结果表明,增加激光能量密度除了能提高铝板表面的粗糙度,还会形成明显的微纳二级结构;空气占铝板超疏水复合接触面总面积的90%以上;纳秒激光诱导铝板超疏水表面是微纳结构和化学成分共同作用的结果。
A method of rapidly preparing the surface of superhydrophobic aluminum plate by nanosecond fiber laser was proposed. The contact angle and roughness of the sample surface were measured. Baking laser processing samples, has been a series of different wetting properties of aluminum surface, increase the laser energy density can be superhydrophobic surface. The results show that the addition of laser energy density can not only improve the surface roughness of the aluminum plate, but also form the obvious micro / nano secondary structure. The air accounts for more than 90% of the total area of the aluminum plate superhydrophobic composite contact surface. Nanosecond laser induced aluminum superhydrophobic The surface is the result of the interaction between the micro / nano structure and the chemical composition.