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- Åhrström, Bert-OlofLuleå tekniska universitet (author)
Transient elastohydrodynamic limiting shear behaviour related to molecular interaction
- Article/chapterEnglish2005
Publisher, publication year, extent ...
- Springer Science and Business Media LLC,2005
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:ltu-11084
- https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-11084URI
- https://doi.org/10.1007/s11249-005-9065-5DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-12307URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Validerad; 2005; 20080327 (cira)
- Previous studies have revealed that friction behave in unexpected ways as pressure increase in a lubricating film. It has been determined that it is not a viscosity-related but rather originating directly from molecular structure. This study strives to elucidate the importance of understanding the properties that govern friction, when undertaking simulation of elastohydrodynamic events. A thorough investigation of the maximum transferable shear stress in the film for a paraffinic mineral oil has been undertaken. A previously stated theory of decreasing friction coefficient with increasing pressure is further substantiated by the current measurements. Classical thermodynamics, in the shape of transient "hot-wire" measurements, have been used to study macro-molecular changes (as function of pressure). The instance of global relaxation correlates nicely to measurements.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Tribologi hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Tribology hsv//eng
- Machine Elements
- Maskinelement
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- Andersson, OveUmeå universitet,Institutionen för fysik,Department of Physics, Umeå University, Umeå, Sweden(Swepub:umu)ovan0001 (author)
- Holweger, W.NMI, Naturwissenschaftliches und Medizinisches Institut an der Universität Tübingen, Reutlingen, Germany (author)
- Luleå tekniska universitetInstitutionen för fysik (creator_code:org_t)
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- In:Tribology letters: Springer Science and Business Media LLC20:3-4, s. 255-2621023-88831573-2711
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