YU Ying-song. Substrate Elastic Deformation Due to Vertical Component of Liquid-Vapor Interfacial Tension[J]. Applied Mathematics and Mechanics, 2012, 33(9): 1025-1042. doi: 10.3879/j.issn.1000-0887.2012.09.001
Citation: YU Ying-song. Substrate Elastic Deformation Due to Vertical Component of Liquid-Vapor Interfacial Tension[J]. Applied Mathematics and Mechanics, 2012, 33(9): 1025-1042. doi: 10.3879/j.issn.1000-0887.2012.09.001

Substrate Elastic Deformation Due to Vertical Component of Liquid-Vapor Interfacial Tension

doi: 10.3879/j.issn.1000-0887.2012.09.001
  • Received Date: 2012-05-08
  • Rev Recd Date: 2012-05-23
  • Publish Date: 2012-09-15
  • Young’s equation is one of the fundamental equations in capillarity and wetting. However, it just reflected the balance of the horizontal components of the three interfacial tensions with contact angle while there was no description of the vertical component of liquidvapor interfacial tension (VCLVIT). Nowadays, there is a clear consensus that the VCLVIT induces an elastic deformation of the solid substrate, which plays a significant influence on the fabrications of the microfluidic devices because of the wide use of the soft materials. The theoretical, experimental and numerical aspects of the investigations on this problem were reviewed. Moreover, the effects of the VCLVIT-induced surface deformation on wetting and spreading, the deflection of the microcantilever as well as elasto-capillarity and electroelasto-capillarity, were discussed. It seeks to offer not only a brief review of the historical and current advances, but also some suggestions on this problem for further investigations.
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