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Influence of microstructures on wettability on stainless steel

机译：微观结构对不锈钢润湿性的影响

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摘要

The influence of microstructures on wettability on stainless steel was investigated. Two kinds of different microstructures were manufactured by a laser processing method with micro parallel grating and square pillars array. The experimental and theoretical values of contact angle (CA) were obtained. Furthermore, within the groove spacing processing size range in micron scale, the experimental results agreed with the theoretical predictions based on the Wenzel. By the influence of machining and measuring conditions, the experimental values of CA were smaller than the predicted theoretical values. A linear relationship between the CA and the micro-scale structures was obtained, which showed the CA was increased with an increase of groove spacing. With the same structural parameters, the CA of square pillars array microstructures was larger than parallel grating microstructures.
机译：研究了微观结构对不锈钢润湿性的影响。通过具有微平行光栅和方形柱阵列的激光加工方法制造两种不同的微观结构。获得了接触角（CA）的实验和理论值。此外，在微米尺度中的凹槽间距处理尺寸范围内，实验结果同意了基于Wenzel的理论预测。通过加工和测量条件的影响，Ca的实验值小于预测的理论值。获得了Ca和微刻度结构之间的线性关系，其显示CA随着槽间距的增加而增加。采用相同的结构参数，方形柱阵列微结构的CA大于平行光栅微结构。

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