接触角测量来表征航空飞机表明镀膜层

  1. 类别:分析方法/应用文章
  2. 上传人:林赛斯
  3. 上传时间:2010/8/31 10:30:10
  4. 文件大小:72K
  5. 下载次数:86
  6. 消耗积分 : 免积分

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简介:

Contact angles using water were measured on five coatings used on aircraft. These coatings are very uniform spatially but do exhibit hydration, meaning their contact angle changes as a function of exposure to the vapor of the test fluid (i.e., water). Therefore each contact angle was measured as a function of time, with t = 0 corresponding to the first contact of the water with the dry surface. Two contact angles can be identified: an initial angle and a steady-state angle. These surfaces equilibrated in about 15 seconds, as can be seen from the representative graphs of contact angle versus time presented below.

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