トライボロジーにおける液体架橋の影響

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書誌事項

タイトル別名
  • Effects of Liquid Bridge on Tribology
  • トライボロジー ニ オケル エキタイ カキョウ ノ エイキョウ

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説明

<p>Even with a solid-solid contact with dry surfaces, it is more reasonable to assume that some oil or moisture is present at the interface, except with special environments such as in high vacuum condition. With the cases, liquid bridges can be formed at the interface. Effect of the liquid bridge on adhesion force and friction force are described in this report. Adhesion force arises as a consequence of meniscus shape of liquid-air interface and of a normal component of surface tension at contact line. The adhesion force enhances contact pressure at the frictional interface, and results in an increase of friction force. Asymmetrical shape of the liquid bridge also has a frictional action even without the solid-solid contact. In addition, examples of particle based numerical method are introduced. The method has advantages on simulating capillary phenomena with large deformation of liquid-air interface.</p>

収録刊行物

  • トライボロジスト

    トライボロジスト 64 (10), 601-606, 2019-10-15

    一般社団法人 日本トライボロジー学会

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