纳秒激光快速制备铝基超疏水表面方法研究
Rapid Preparation of Aluminum Superhydrophobic Surface by Nanosecond Laser
DOI: 10.12677/MS.2020.107072, PDF,    科研立项经费支持
作者: 杨 增, 王啸坤：天津科技大学机械工程学院，天津；郭志全, 赵静楠*：天津科技大学机械工程学院，天津；天津市轻工与食品工程机械装备集成设计与在线监控重点实验室，天津；马林旭：天津中德应用技术大学机械工程学院，天津
关键词: 纳秒激光；超疏水；铝；润湿性；Nanosecond Laser； Superhydrophobic； Aluminum； Wettability
摘要: 本文利用纳秒激光对金属铝表面进行微纳米结构的制备，通过在月桂酸环境下进行低温热处理得到超疏水表面。本文探究了经过激光烧蚀后铝板表面从超亲水性向超疏水性转变的机理，并且探究不同的后处理方式对这种转变的影响。铝板经过激光烧蚀后立刻表现为超亲水性，然而在空气中放置一段时间后表面润湿性会发生改变，随着时间的推移，最终表现为疏水甚至超疏水。而不同的后处理方式对这一过程影响很大。低温热处理可以加速这种润湿性的转变，并且在加热的过程中加入有机物可以大大提高疏水性能。通过不同实验对比发现，这种润湿性转变过程主要是由周围大气中的有机化合物吸附在氧化物表面引起的。
Abstract: In this paper, nanosecond laser was used to prepare the micro-nano structure on the surface of metal aluminum, and the super-hydrophobic surface was obtained by low temperature heat treatment under lauric acid environment. The mechanism of the surface transformation from superhydrophilic to superhydrophobic after laser ablation was investigated, and the influence of different post-treatment methods on the transformation was also investigated. Different post- processing methods have great influence on this process. Low temperature heat treatment can accelerate this wettability transition, and the addition of organic matter to the heating process can greatly improve the hydrophobic. Different experiments show that the wettability transition pro-cess is mainly caused by the adsorption of organic compounds in the surrounding atmosphere on the oxide surface.
文章引用：杨增, 王啸坤, 郭志全, 马林旭, 赵静楠. 纳秒激光快速制备铝基超疏水表面方法研究[J]. 材料科学, 2020, 10(7): 595-602. https://doi.org/10.12677/MS.2020.107072

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