• Title/Summary/Keyword: Surface science

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Development of Surface Treatment for Hydrophobic Property on Aluminum Surface (알루미늄의 발수 표면처리 기술 개발)

  • Byun, Eun-Yeon;Lee, Seung-Hun;Kim, Jong-Kuk;Kim, Yang-Do;Kim, Do-Geun
    • Journal of the Korean institute of surface engineering
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    • v.45 no.4
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    • pp.151-154
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    • 2012
  • A hydrophobic surface has been fabricated on aluminum by two-step surface treatment processes consisting of structure modification and surface coating. Nature inspired micro nano scale structures were artificially created on the aluminum surface by a blasting and Ar ion beam etching. And a hydrophobic thin film was coated by a trimethylsilane ($(CH_3)_3SiH$) plasma deposition to minimize the surface energy of the micro nano structure surface. The contact angle of micro nano structured aluminum surface with the trimethylsilane coating was $123^{\circ}$ (surface energy: 9.05 $mJ/m^2$), but the contact angle of only trimethylsilane coated sample without the micro nano surface structure was $92^{\circ}$ (surface energy: 99.15 $mJ/m^2$). In the hydrophobic treatment of aluminum surface, a trimethylsilane coated sample having the micro nano structure was more effective than only trimethylsilane coated sample without the micro nano structure.