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dc.contributor.authorPaipetis, A.en
dc.contributor.authorGaliotis, C.en
dc.date.accessioned2015-11-24T17:36:07Z-
dc.date.available2015-11-24T17:36:07Z-
dc.identifier.issn1364-5021-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14211-
dc.rightsDefault Licence-
dc.subjectcarbon fibreen
dc.subjectepoxy resinen
dc.subjectcompositesen
dc.subjectinterfaceen
dc.subjectstress transferen
dc.subjectraman spectroscopyen
dc.subjectlaser raman-spectroscopyen
dc.subjectfiber pull-outen
dc.subjectcompositesen
dc.subjectmatrixen
dc.subjectgraphiteen
dc.subjectmicromechanicsen
dc.subjectfragmentationen
dc.subjectdeformationen
dc.subjecttemperatureen
dc.subjectmicroscopyen
dc.titleModelling the stress-transfer efficiency of carbon-epoxy interfacesen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.secondary<Go to ISI>://000169731900002-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.publicationDate2001-
heal.abstractThis study involved the investigation of the micromechanics of reinforcement of model carbon fibre-epoxy composites using the technique of remote laser Raman microscopy. The technique allows in situ axial stress monitoring in highly crystalline fibres, such as carbon or Kevlar(R). Model composites were subjected to incremental tensile loading, while the stress in the fibre was monitored at each level of applied strain. The stress-transfer regime was studied in the elastic domain using a model single-fibre composite, where a fibre of finite length (i.e. of a length smaller than the coupon gauge length) was embedded along a resin coupon. A shear lag approach was employed to model the stress-transfer efficiency of the interface through the use of the sheer-lag parameter beta. The stress build-up in the fibre in the presence of energy dissipation mechanisms such as fibre fractures was modelled, and the stress-transfer efficiency was quantified at different levels of applied composite strain. Parallels between the interfacial efficiency of single-fibre systems and practical composites are drawn.en
heal.publisherRoyal Soc. Londonen
heal.journalNameProceedings of the Royal Society of London Series a-Mathematical Physical and Engineering Sciencesen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
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