| On the transition from boundary lubrication to hydrodynamic lubrication in soft contacts. | |
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MedLine Citation:
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PMID: 21825448 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We consider the contact between elastically soft solids with randomly rough surfaces in sliding contact in a fluid, which is assumed to be Newtonian with constant (pressure-independent) viscosity. We discuss the nature of the transition from boundary lubrication at low sliding velocity, where direct solid-solid contact occurs, to hydrodynamic lubrication at high sliding velocity, where the solids are separated by a thin fluid film. We consider both hydrophilic and hydrophobic systems, and cylinder-on-flat and sphere-on-flat sliding configurations. We show that, for elastically soft solids such as rubber, including cavitation or not results in nearly the same friction. |
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Authors:
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B N J Persson; M Scaraggi |
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Publication Detail:
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Type: Journal Article Date: 2009-03-11 |
Journal Detail:
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Title: Journal of physics. Condensed matter : an Institute of Physics journal Volume: 21 ISSN: 0953-8984 ISO Abbreviation: J Phys Condens Matter Publication Date: 2009 May |
Date Detail:
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Created Date: 2011-08-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101165248 Medline TA: J Phys Condens Matter Country: England |
Other Details:
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Languages: eng Pagination: 185002 Citation Subset: - |
Affiliation:
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IFF, FZ-Jülich, D-52425 Jülich, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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