Damage Monitoring of Carbon Fiber Reinforced Laminates Using Resistance Measurements. Improving Sensitivity Using Carbon Nanotube Doped Epoxy Matrix System

dc.contributor.authorKostopoulos, V.en
dc.contributor.authorVavouliotis, A.en
dc.contributor.authorKarapappas, P.en
dc.contributor.authorTsotra, P.en
dc.contributor.authorPaipetis, A.en
dc.date.accessioned2015-11-24T17:33:02Z
dc.date.available2015-11-24T17:33:02Z
dc.identifier.issn1045-389X-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/13809
dc.rightsDefault Licence-
dc.subjectcarbon-nanotubesen
dc.subjectcarbon-fiber-reinforced plasticsen
dc.subjectelectrical propertiesen
dc.subjectmechanical propertiesen
dc.subjectnondestructive testingen
dc.subjectelectrical-resistanceen
dc.subjectacoustic-emissionen
dc.subjectcfrpen
dc.subjectcompositeen
dc.titleDamage Monitoring of Carbon Fiber Reinforced Laminates Using Resistance Measurements. Improving Sensitivity Using Carbon Nanotube Doped Epoxy Matrix Systemen
heal.abstractIn this study, carbon nanotubes (CNTs) were used as additives in the epoxy matrix of unidirectional (UD) carbon fiber reinforced laminates. CNTs were employed not only for improving the mechanical performance of composite, but also for providing an innovative way for monitoring the damage accumulation during the loading of the laminate via the monitoring of the changes in the conductivity of the material. The CNT inclusion improved the transverse conductivity rendering the UD composite more electrically isotropic. Both plain and modified laminates were subjected to monotonic and cyclic tensile loading with simultaneous monitoring of the longitudinal resistance. The resistance change due to mechanical loading was more pronounced for the laminates with the modified matrices. As it was expected, the presence of the electrically conductive CNT network acted as a direct sensor of matrix related damage phenomena, which was complementary to changes related to failure of the reinforcing phase. This was not the case for the reference composite laminates where the monitored changes of the electrical conductivity mirrored the damage exclusively related to the reinforcing phase i.e., the carbon fibers.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDoi 10.1177/1045389x08099993-
heal.identifier.secondary<Go to ISI>://000266817200003-
heal.identifier.secondaryhttp://jim.sagepub.com/content/20/9/1025.full.pdf-
heal.journalNameJournal of Intelligent Material Systems and Structuresen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2009-
heal.publisherSage Publicationsen
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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