Effect of fluorocarbon molecules confined between sliding self-mated PTFE surfaces

We report on the frictional response and atomic process that occur when molecular fluorocarbon molecules of varying lengths are sheared between two polytetrafluoroethylene (PTFE) surfaces. The thicknesses of the molecular layers are also varied. The approach is classical molecular dynamics simulatio...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 27(2011), 16 vom: 16. Aug., Seite 9910-9
1. Verfasser: Barry, Peter R (VerfasserIn)
Weitere Verfasser: Chiu, Patrick Y, Perry, Scott S, Sawyer, W Gregory, Phillpot, Simon R, Sinnott, Susan B
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a We report on the frictional response and atomic process that occur when molecular fluorocarbon molecules of varying lengths are sheared between two polytetrafluoroethylene (PTFE) surfaces. The thicknesses of the molecular layers are also varied. The approach is classical molecular dynamics simulations using a reactive bond-order potential parametrized for fluorocarbons. The results indicate that the presence of the molecules has a significant impact on the measured friction and wear of the surfaces, and that this impact depends on the nature of the fluorocarbon molecules and the thickness of the molecular film. The molecular mechanisms responsible for these differences are presented 
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700 1 |a Chiu, Patrick Y  |e verfasserin  |4 aut 
700 1 |a Perry, Scott S  |e verfasserin  |4 aut 
700 1 |a Sawyer, W Gregory  |e verfasserin  |4 aut 
700 1 |a Phillpot, Simon R  |e verfasserin  |4 aut 
700 1 |a Sinnott, Susan B  |e verfasserin  |4 aut 
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