由于液滴在超疏水表面的表观接触角(contact angle)大于150,而接触角滞后(contact angle hysteresis)小于5,因此在自清洁表面[3]、无损液滴传输[4]、减阻[5]、微/纳机电系统中低黏着功能表面[6]等领域具有良好的应用前景.
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接触角滞后现象 contact angle hysteresis
As for titanium specimens chemical polishing is better than mechanical polishing, combined polishing for the two materials can best minimize surface roughness.2) Cobalt-chromium alloy and titanium in artificial saliva contact angle hysteresis decrease with the reduction of surface roughness.
2)钴铬合金和纯钛在人工唾液中接触角滞后随表面粗糙度的减少而降低,润湿性下降,可增强抗菌性能。
参考来源 - 抛光方法对钴铬合金和纯钛润湿性及细菌黏附作用的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
氧化后聚乙烯表面上的液体接触角滞后是由于表而化学不均匀性所致。
The contact Angle hysteresis indicated the Chemical heterogeneity on the oxidized PE surfaces.
模型计算结果表明液固表面自由能差越大、接触角滞后越小则越有利于冷凝传热。
The simulation results indicated that heat transfer coefficient increased with increasing surface free energy difference and decreasing contact Angle hysteresis.
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