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材料工程  2015 

超疏水铝合金表面的防覆冰和防黏附行为

DOI: 10.11868/j.issn.1001-4381.2015.09.005, PP. 25-29

Keywords: 一步浸泡,铝合金,超疏水,防覆冰,防黏附

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Abstract:

通过硬脂酸的醇水溶液一步浸泡法成功获得超疏水铝合金表面,其水接触角可达156.2°,滚动角小于5°。利用接触角测试、扫描电镜、红外光谱观测、结冰实验与防黏附实验分别对超疏水铝合金表面的润湿性能、表面微结构、化学结构以及防覆冰和防黏附行为进行了研究。结果表明所制得的超疏水表面是由微-纳"多孔"结构和疏水烃基长链所共同赋予的。正是由于其特殊的粗糙结构和化学组成,使得该超疏水表面表现出良好的防覆冰和防黏附行为。

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