Technical Physics

, Volume 55, Issue 8, pp 1193–1199 | Cite as

Phenomenological theory for the melting of a thin lubricant film between two atomically smooth solid surfaces

Surface, Electron and Ion Emission

Abstract

A thermodynamic model is developed for the melting of an ultrathin lubricant film squeezed between two atomically smooth solid surfaces. To describe the state of lubricant, an excess volume parameter is introduced; it appears due to the chaos in the structure of a solid body induced by melting. This parameter increases with the total internal energy upon melting. Thermodynamic melting and shear melting are described. The dependences of the friction force on the lubricant temperature and the shear rate of friction surfaces are analyzed. The calculated results are compared to the experimental data.

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • I. A. Lyashenko
    • 1
  • A. V. Khomenko
    • 1
  • L. S. Metlov
    • 2
  1. 1.Sumy State UniversitySumyUkraine
  2. 2.Galkin Physicotechnical InstituteNational Academy of Sciences of UkraineDonetskUkraine

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