PMID: 15245037Jul 13, 2004Paper

Ordering of a thin lubricant film due to sliding

Physical Review Letters
O M BraunS Consta

Abstract

A thin lubricant film confined between two substrates in moving contact is studied using Langevin molecular dynamics with the coordinate- and velocity-dependent damping coefficient. It is shown that an optimal choice of the interaction within the lubricant can lead to minimal kinetic friction as well as to low critical velocity of the stick-slip to smooth-sliding transition. The strength of this interaction should be high enough (relative to the strength of the interaction of lubricant atoms with the substrates) so that the lubricant remains in a solid state during sliding. At the same time, the strength of the interaction should not be too high, in order to allow annealing of defects in the lubricant at slips.

References

Feb 1, 1996·Journal of Molecular Graphics·W HumphreyK Schulten
Jun 15, 1990·Physical Review. B, Condensed Matter·M Hirano, K Shinjo
Apr 20, 2001·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·O M Braun, M Peyrard
Feb 28, 2002·Physical Review Letters·O M Braun, J Röder
Aug 26, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·O M Braun, M Peyrard
Apr 20, 2004·Physical Review Letters·Martin DienwiebelHenny W Zandbergen
Aug 23, 1991·Science·M O Robbins, P A Thompson
Nov 9, 1990·Science·P A Thompson, M O Robbins

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Citations

Jan 21, 2010·Chemical Communications : Chem Comm·Nadja Sändig, Francesco Zerbetto
Sep 13, 2007·Small·Gilberto Teobaldi, Francesco Zerbetto
Oct 4, 2005·Physical Review Letters·O M Braun
May 23, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·C Reichhardt, C J Olson Reichhardt

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