Volume 55, Number 5, September 2001
|Page(s)||653 - 659|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 December 2003|
Inverted stick-slip friction
Department of Chemical Engineering, University of
California Santa Barbara, CA 93106, USA
2 CNRS/Rhodia complex Fluids Lab., Rhodia Prospect Plains Road, Cranbury, NJ 08512-7500, USA
3 Institut Charles Sadron - 6 rue Boussingault, 67083 Strasbourg, Cedex, France
Accepted: 12 June 2001
Sliding of adhesive boundary lubricated surfaces immersed in aqueous solutions has been studied. Under certain conditions "inverted" stick-slip motion is observed where, in contrast to conventional stick-slip, the friction spikes point down rather than up and the transition from smooth to stick-slip sliding occurs above rather than below some critical driving velocity. For the first time, inverted stick-slip motion has been studied in detail and theoretically analyzed in terms of a general model based on the kinetics of formation and rupture of adhesive links (bonds) between two shearing surfaces.
PACS: 46.55.+d – Tribology and mechanical contacts / 81.40.Pq – Friction, lubrication, and wear
© EDP Sciences, 2001
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