Journal Article

PreJuSER-19951

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Lubrication in soft rough contacts: A novel homogenized approach. Part I - Theory

Scaraggi, M. ; Carbone, G. ; Persson, B. N. J.FZJ* ; Dini, D.

2011
Royal Society of Chemistry (RSC) Cambridge

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Please use a persistent id in citations: http://hdl.handle.net/2128/7410  doi:10.1039/C1SM05128H

Abstract: We study the lubricated steady sliding contact between rough surfaces of (elastically) soft solids. A novel mean field theory of mixed lubrication is presented, which takes into account the coupled effect of asperity-asperity and asperity-fluid interactions. We calculate the fluid flow factors, and discuss the nature of the transition from the boundary lubrication regime, where the normal load is supported by the asperity-asperity interactions (sometimes mediated by boundary films), to the hydrodynamic regime, where a thin fluid film prevents direct contact between the mating surfaces.

Keyword(s): J

Note: MS and GC acknowledge Region Puglia for having supported the research activity through the constitution of the TRAS-FORMA Laboratory Network cod. 28. MS also acknowledges the Tribology group for the kind hospitality received during his visit to the Department of Mechanical Engineering of Imperial College London, where part of this work has been performed.

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Contributing Institute(s):

1. Quanten-Theorie der Materialien (PGI-1)

Research Program(s):

1. Grundlagen für zukünftige Informationstechnologien (P42)

Appears in the scientific report 2011

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