Compliant-poroelastic lubrication in cartilage-on-cartilage line contacts
File(s)
Accepted version
Author(s)
de Boer, GN
Raske, N
Soltanahmadi, S
Bryant, MG
Hewson, RW
Type
Journal Article
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.
Date Issued
2020-02-01
Date Acceptance
2020-01-15
Citation
Tribology: Materials, Surfaces and Interfaces, 2020, 14 (3), pp.151-165
ISSN
1751-5831
Publisher
Institute of Materials, Minerals and Mining (UK)
Start Page
151
End Page
165
Journal / Book Title
Tribology: Materials, Surfaces and Interfaces
Volume
14
Issue
3
Copyright Statement
© 2020 Taylor & Francis. This is an Accepted Manuscript of an article published by Taylor & Francis in Tribology - Materials, Surfaces & Interfaces on 03 February 2020, available online: https://doi.org/10.1080/17515831.2020.1720381
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000512768000001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Technology
Materials Science, Coatings & Films
Materials Science
Poroelasticity
lubrication
compliance
cartilage
friction
INTERSTITIAL FLUID PRESSURIZATION
PATHOLOGICAL ARTICULAR-CARTILAGE
MECHANICAL-PROPERTIES
EXPERIMENTAL-VERIFICATION
TRANSPORT MECHANISMS
INDENTATION
COMPRESSION
Publication Status
Published
Date Publish Online
2020-02-03