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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >PRESSURE IN ULTRA THIN PERFLUOROPOLYETHER FILM
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PRESSURE IN ULTRA THIN PERFLUOROPOLYETHER FILM

机译：超薄全氟橡胶薄膜中的压力

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摘要

The density and pressure variations in the ultra thin liquid perfluoropolyether (PFPE) film (2nm) are carried out by Monte Carlo simulations of Lennard-Jones systems. First of all, the variations of density and pressure of ultra thin PFPE film that has a free surface on the flat substrate are carried out. The substrate is assumed to be continuous without atomic structure and exerting Lennard-Jones potential on liquid molecules in the ultra thin film. Next, the variations of density and pressure in the ultra thin PFPE liquid film between the two solids are examined. This is assumed to be due to the contact between the flying head and the PFPE film. From results of the 2500 steps calculation, it is clarified that the density distribution between two solids becomes symmetrical in shape and the pressure distributions concentrate on the substrate surface and the flying head surface do not occur in the liquid between the two surfaces.
机译：超薄液体全氟聚醚（PFPE）膜（2nm）中的密度和压力变化是通过Lennard-Jones系统的Monte Carlo模拟进行的。首先，进行在平坦基板上具有自由表面的超薄PFPE膜的密度和压力的变化。假定基材是连续的，没有原子结构，并且在超薄膜中的液体分子上施加了Lennard-Jones势。接下来，检查两种固体之间的超薄PFPE液膜中密度和压力的变化。假定这是由于飞扬头与PFPE薄膜之间的接触。从2500步的计算结果可以看出，两个固体之间的密度分布在形状上变得对称，并且压力分布集中在基板表面上，并且在两个表面之间的液体中没有出现飞头表面。

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