Tribological Behavior of Very Thin Confined Films
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AbstractThe tribological properties of two smooth surfaces in the presence of a thin confined film are investigated with a generic model for the interaction between two surfaces and with computer sim- ulations. It is shown that at large normal contact pressures, an ultra thin film automatically leads to static friction between two flat surfaces - even if the surfaces are incommensurate. Commen- surability is nevertheless the key quantity to understand the tribological behavior of the contact. Qualitative differences between commensurate and incommensurate contacts remain even in the presence of a thin film. The differences mainly concern the thermal diffusion of the contact and the transition between smooth sliding and stick-slip.
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2007 ◽
2008 ◽
Vol 47-50
◽
pp. 246-249
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2007 ◽
pp. 657-660
1952 ◽
Vol 212
(1111)
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pp. 464-467
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