de Boer, GN orcid.org/0000-0002-5647-1771, Raske, N, Soltanahmadi, S et al. (2 more authors) (2020) Compliant-poroelastic lubrication in cartilage-on-cartilage line contacts. Tribology - Materials, Surfaces & Interfaces, 14 (3). pp. 151-165. ISSN 1751-5831
Abstract
The mechanisms of friction in natural joints are still relatively unknown and attempts at modelling cartilage-cartilage interfaces are rare despite the huge promise they offer in understanding bio-friction. This article derives a model combining finite strain, porous and thin-film flow theories to describe the lubrication of cartilage-on-cartilage line contacts. The material is modelled as compliant and poroelastic in which the micro-scale fibrous structure is interstitially filled with synovial fluid. This fluid flows over the interface between the bodies and is coupled to pressure generated by relative motion in the thin-film region formed under load. A Stribeck analysis demonstrated that this type of contact is determinable to conventional elastic lubrication but that the friction performance is improved by this interfacial flow. Moreover, the inclusion of periodic flow conditions when contact is onset is a specific novelty which elucidates new observations in the lubrication mechanisms pertaining to natural joints.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2020 Institute of Materials, Minerals and Mining and Informa UK Limited, trading as Taylor & Francis Group. This is an author produced version of an article published in Tribology - Materials, Surfaces & Interfaces. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | Poroelasticity; lubrication; compliance; cartilage; friction |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Mechanical Engineering (Leeds) > Institute of Functional Surfaces (Leeds) The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Mechanical Engineering (Leeds) > Institute of Engineering Thermofluids, Surfaces & Interfaces (iETSI) (Leeds) The University of Leeds > Faculty of Environment (Leeds) > School of Food Science and Nutrition (Leeds) > FSN Colloids and Food Processing (Leeds) |
Funding Information: | Funder Grant number Leverhulme Trust RPG-2017-281 |
Depositing User: | Symplectic Publications |
Date Deposited: | 24 Jan 2020 13:36 |
Last Modified: | 03 Feb 2021 01:38 |
Status: | Published |
Publisher: | Taylor & Francis |
Identification Number: | 10.1080/17515831.2020.1720381 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:155944 |