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Nanoscale Effects Of Surfaces And Lubricants On Friction

Author

Listed:
  • TAKAAKI KAWAGUCHI

    (Department of Technology, Shimane University, 1060 Nishikawatsu, Matsue 690-8504, Japan)

  • HIROSHI MATSUKAWA

    (Department of Physics and Mathematics, Aoyama Gakuin University, Sagamihara 229-8558, Japan)

Abstract

Nanoscale frictional phenomena at solid–solid surfaces with lubricants are studied numerically using a lattice model which consists of two rigid substrates and a monolayer of lubricant molecules. The maximum static frictional force, which works on the driven upper solid, is always finite and obeys a certain scaling relation. The lubricant layer, however, shows a kind of phase transition from a pinned state to free sliding state when the strength of the interaction potential with the substrates decreases. We discuss the peculiar pinning mechanism of the upper substrate in the presence of a lubricant monolayer.

Suggested Citation

  • Takaaki Kawaguchi & Hiroshi Matsukawa, 2006. "Nanoscale Effects Of Surfaces And Lubricants On Friction," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 13(02n03), pages 235-240.
    • Handle: RePEc:wsi:srlxxx:v:13:y:2006:i:02n03:n:s0218625x06008104
    DOI: 10.1142/S0218625X06008104
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