From static to kinetic friction in confined liquid films

Günter Reiter, A. Levent Demirel, Steve Granick

Research output: Contribution to journalArticlepeer-review


The transition from rest to sliding contact of atomically smooth solids separated by molecularly thin liquid films was studied. The films could be deformed nearly reversibly to a large fraction of the film thickness. The modulus of elasticity and yield stress were low, considerably less than for a molecular crystal or glass in the bulk. The transition to dissipative sliding was rypically (but not always) discontinuous. The dissipative stress was then nearly velocity-independent. The similar response of monolayers strongly attached to the solid surfaces, presenting a well-defined interface for sliding, suggests that the physical mechanism of sliding may involve wall slip.

Original languageEnglish (US)
Pages (from-to)1741-1744
Number of pages4
Issue number5154
StatePublished - 1994

ASJC Scopus subject areas

  • General


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