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首页> 外文期刊>Thin Solid Films >Microano engineering on stainless steel substrates to produce superhydrophobic surfaces
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Microano engineering on stainless steel substrates to produce superhydrophobic surfaces

机译：在不锈钢基材上进行微/纳米工程以产生超疏水表面

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Creating micro-ano-scale topography on material surfaces to change their wetting properties has been a subject of much interest in recent years. Wenzel in 1936 and Cassie and Baxter in 1944 proposed that by microscopically increasing the surface roughness of a substrate, it is possible to increase its hydrophobicity. This paper reports the fabrication of micro-textured surfaces and nano-textured surfaces, and the combination of both on stainless steel substrates by sandblasting, thermal evaporation of aluminum, and aluminum-induced crystallization (AIC) of amorphous silicon (a-Si). Meanwhile, fluorinated carbon films were used to change the chemical composition of the surfaces to render the surfaces more hydrophobic. These surface modifications were investigated to create superhydrophobic surfaces on stainless steel substrates. The topography resulting from these surface modifications was analyzed by scanning electron microscopy and surface profilometry. The wetting properties of these surfaces were characterized by water contact angle measurement. The results of this study show that superhydrophobic surfaces can be produced by either micro-scale surface texturing or nano-scale surface texturing, or the combination of both, after fluorinated carbon film deposition.
机译：近年来，在材料表面上创建微/纳米尺度的形貌以改变其润湿特性一直是引起人们极大兴趣的主题。 Wenzel（1936）以及Cassie and Baxter（1944）提出，通过微观地增加基材的表面粗糙度，可以提高其疏水性。本文报道了微织构表面和纳米织构表面的制造，以及通过喷砂，铝的热蒸发和非晶硅（a-Si）的铝诱导结晶（AIC）在不锈钢基材上的组合。同时，氟化碳膜用于改变表面的化学组成以使表面更疏水。研究了这些表面改性以在不锈钢基材上产生超疏水表面。通过扫描电子显微镜和表面轮廓测定法分析了由这些表面改性产生的形貌。这些表面的润湿特性通过水接触角测量来表征。这项研究的结果表明，在氟化碳膜沉积后，可以通过微米级表面纹理化或纳米级表面纹理化或两者的组合来产生超疏水表面。

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