SPECIAL ISSUE ON INTERNATIONAL CONFERENCE ON MATERIALS FOR ADVANCED TECHNOLOGIES (ICMAT 2005) IN CONJUNCTION WITH THIRD VACUUM AND SURFACE SCIENCES CONFERENCE OF ASIA AND AUSTRALIA; EDITED BY E. S. TOK AND J. ZHANG – ArticlesNo Access

NANOSCALE EFFECTS OF SURFACES AND LUBRICANTS ON FRICTION

TAKAAKI KAWAGUCHI

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

Corresponding author. Present address: Division of Interdisciplinary Sciences, Yamanashi University, 4-4-37 Takeda, Kofu, Yamanashi 400-8510, Japan.

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and

HIROSHI MATSUKAWA

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

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https://doi.org/10.1142/S0218625X06008104Cited by:3 (Source: Crossref)

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.

Keywords:

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