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dc.contributor.authorMulvihill, Danielen
dc.contributor.authorSutcliffe, Michaelen
dc.date.accessioned2017-01-05T11:31:12Z
dc.date.available2017-01-05T11:31:12Z
dc.date.issued2017-02-01en
dc.identifier.issn1359-835X
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/261742
dc.description.abstractThe effect of tool surface roughness topography on tow-on-tool friction relevant to the dry forming of composite fabrics is investigated. A comprehensive range of tool average surface roughness R$_a$ values from 0.005 to 3.2 $\mu$m was used in friction testing with carbon fibre tows. The measured slope of these surfaces, which is the critical surface topographical characteristic, increased significantly with increasing roughness amplitude. Friction was found to be sensitive to roughness topography for very smooth surfaces (R$_a$ < 0.1 $\mu$m) and increased with decreasing roughness slope and amplitude. For rougher surfaces (R$_a$ > 0.1 $\mu$m), friction was relatively insensitive to roughness slope and amplitude. A finite element idealisation of the tow-on-tool contact was used to explain these results in terms of the level of tow-tool conformance. Smooth surfaces have low slopes which allow good conformance, and hence high real contact area and friction. Rougher surfaces have high slopes, particularly at shorter wavelengths, which prevents good conformance. In this case, point contact between fibres and surface dominates, leaving the resulting friction less sensitive to roughness.
dc.description.sponsorshipThe authors would like to acknowledge the assistance of the Engineering and Physical Sciences Research Council (EPSRC) for supporting the present work under grant Ref. EP/K032798/1 (Friction in Composites Forming). We would also like to acknowledge the contribution of our industrial collaborators at Jaguar Land Rover and Granta Design Ltd, as well as our academic partners from the Composites Research Group at the University of Nottingham (Prof. Andy Long, Prof. Nick Warrior and Prof. Davide De Focatiis). Dr Olga Smerdova of ‘‘Institut PPrime”, ISAE-ENSMA, Poitiers is thanked for useful discussions throughout the work. Hexcel are thanked for supplying the tow material.
dc.language.isoenen
dc.publisherElsevier
dc.rightsAttribution 4.0 Internationalen
dc.rightsAttribution 4.0 Internationalen
dc.rightsAttribution 4.0 Internationalen
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectA. carbon fibresen
dc.subjectA. towen
dc.subjectE. formingen
dc.subjectfrictionen
dc.titleEffect of tool surface topography on friction with carbon fibre tows for composite fabric formingen
dc.typeArticle
prism.endingPage206
prism.publicationDate2017en
prism.publicationNameComposites Part A: Applied Science and Manufacturingen
prism.startingPage199
prism.volume93en
dc.identifier.doi10.17863/CAM.6954
dcterms.dateAccepted2016-10-17en
rioxxterms.versionofrecord10.1016/j.compositesa.2016.10.017en
rioxxterms.versionVoRen
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/en
rioxxterms.licenseref.startdate2017-02-01en
dc.contributor.orcidSutcliffe, Michael [0000-0001-9729-4460]
dc.identifier.eissn1878-5840
rioxxterms.typeJournal Article/Reviewen
pubs.funder-project-idEPSRC (EP/K032798/1)
cam.issuedOnline2016-10-29en
datacite.issupplementedby.doi10.17863/CAM.6075en
cam.orpheus.successThu Jan 30 12:53:33 GMT 2020 - The item has an open VoR version.*
rioxxterms.freetoread.startdate2100-01-01


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Attribution 4.0 International
Except where otherwise noted, this item's licence is described as Attribution 4.0 International