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

被引：0
|
作者：
I. A. Lyashenko
A. V. Khomenko
L. S. Metlov
机构：
[1] Sumy State University,Galkin Physicotechnical Institute
[2] National Academy of Sciences of Ukraine,undefined
来源：
Technical Physics | 2010年 / 55卷
关键词：
Shear Rate; Friction Force; Lubricant Film; Excess Volume; Friction Mode;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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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页码：1193 / 1199
页数：6
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