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Transient elastohyd...
Transient elastohydrodynamic limiting shear behaviour related to molecular interaction
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- Åhrström, Bert-Olof (författare)
- Luleå tekniska universitet
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- Andersson, Ove (författare)
- Umeå universitet,Institutionen för fysik,Department of Physics, Umeå University, Umeå, Sweden
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- Holweger, W. (författare)
- NMI, Naturwissenschaftliches und Medizinisches Institut an der Universität Tübingen, Reutlingen, Germany
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(creator_code:org_t)
- Springer Science and Business Media LLC, 2005
- 2005
- Engelska.
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Ingår i: Tribology letters. - : Springer Science and Business Media LLC. - 1023-8883 .- 1573-2711. ; 20:3-4, s. 255-262
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
Nyckelord
- Machine Elements
- Maskinelement
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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