Effects of high pulling speeds on mechanical properties and morphology of pultruded GFRP composite flat laminates

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dc.contributor.authorVedernikov, Alexander
dc.contributor.authorGemi, Lokman
dc.contributor.authorMadenci, Emrah
dc.contributor.authorOzkilic, Yasin Onuralp
dc.contributor.authorYazman, Sakir
dc.contributor.authorGusev, Sergey
dc.contributor.authorSulimov, Artem
dc.date.accessioned2024-02-23T14:02:38Z
dc.date.available2024-02-23T14:02:38Z
dc.date.issued2022
dc.departmentNEÜen_US
dc.description.abstractThe economic efficiency of pultrusion can be significantly improved by operating the process at higher pulling speeds. This experimental study analyzed the relationships between the pulling speed, morphology, and me-chanical properties of pultruded glass fiber/vinyl ester resin structural composites. Four batches of 150 mm x 3.5 mm flat laminates were produced at pulling speeds of 200, 600, 1000, and 1400 mm/min. Optical and scanning electron microscopy (SEM) were used to study the morphology of the produced flat laminates. The flexural and interlaminar shear properties were determined for both 0 degrees and 90 degrees fiber orientations. The observed difference in the mechanical characteristics of flat laminates can be explained by the presence of bubbles, lon-gitudinal voids, and matrix cracks and by an increase in their density and dimensions with an increase in pulling speed. This study is the first one to demonstrate the possibility of high speed pultrusion of large cross-section profiles suitable for structural application. Authors were able to achieve the pulling speed of 1000 mm/min, increasing the output by as much as 1.7 times as compared to the regular speed pultrusion, without compro-mising significantly the mechanical performance of produced profiles. The results of this study would be of assistance for a better understanding of high-speed pultrusion.en_US
dc.identifier.doi10.1016/j.compstruct.2022.116216
dc.identifier.issn0263-8223
dc.identifier.issn1879-1085
dc.identifier.scopus2-s2.0-85138062349en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.compstruct.2022.116216
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11786
dc.identifier.volume301en_US
dc.identifier.wosWOS:000862577600001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofComposite Structuresen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPultrusionen_US
dc.subjectPulling Speeden_US
dc.subjectMechanical Propertiesen_US
dc.subjectMatrix Crackingen_US
dc.subjectSem Analysisen_US
dc.subjectVoidsen_US
dc.subjectBubblesen_US
dc.subjectGfrp Compositeen_US
dc.titleEffects of high pulling speeds on mechanical properties and morphology of pultruded GFRP composite flat laminatesen_US
dc.typeArticleen_US

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