Monitoring the Damage State of Fiber Reinforced Composites Using an FBG Network for Failure Prediction

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dc.contributor.authorKocaman, Esat S.
dc.contributor.authorAkay, Erdem
dc.contributor.authorYilmaz, Cagatay
dc.contributor.authorTurkmen, Halit S.
dc.contributor.authorMisirlioglu, Ibrahim B.
dc.contributor.authorSuleman, Afzal
dc.contributor.authorYildiz, Mehmet
dc.date.accessioned2018-07-05T18:17:44Z
dc.date.available2018-07-05T18:17:44Z
dc.date.copyright2017en_US
dc.date.issued2017-01
dc.description.abstractA structural health monitoring (SHM) study of biaxial glass fibre-reinforced epoxy matrix composites under a constant, high strain uniaxial fatigue loading is performed using fibre Bragg grating (FBG) optical sensors embedded in composites at various locations to monitor the evolution of local strains, thereby understanding the damage mechanisms. Concurrently, the temperature changes of the samples during the fatigue test have also been monitored at the same locations. Close to fracture, significant variations in local temperatures and strains are observed, and it is shown that the variations in temperature and strain can be used to predict imminent fracture. It is noted that the latter information cannot be obtained using external strain gages, which underlines the importance of the tracking of local strains internally.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipThe authors gratefully acknowledge the funding provided by The Scientific and Technological Research Council of Turkey (TUBITAK) for the project 112M357.en_US
dc.identifier.citationKocaman, E. S.; Akay, E.; Yilmaz, C.; Turkmen, H. S.; Misirlioglu, I. B.; Suleman, A.; & Yildiz, M. (2017). Monitoring the damage state of fiber reinforced composites using an FBG network for failure prediction. Materials, 10(1).en_US
dc.identifier.urihttps://doi.org/10.3390/ma10010032
dc.identifier.urihttp://hdl.handle.net/1828/9599
dc.language.isoenen_US
dc.publisherMaterialsen_US
dc.subjectpolymer-matrix compositesen_US
dc.subjectfatigueen_US
dc.subjectmechanical testingen_US
dc.subjectdamage monitoringen_US
dc.subjectfibre Bragg gratingen_US
dc.titleMonitoring the Damage State of Fiber Reinforced Composites Using an FBG Network for Failure Predictionen_US
dc.typeArticleen_US

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