The flexural and compressive properties of sandwich composites with different 3D-printed core structures

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dc.contributor.authorCaran, Rabia
dc.contributor.authorYılmaz, Ayten Nur Yüksel
dc.contributor.authorErcan, Necati
dc.contributor.authorYunus, Doruk
dc.contributor.authorBedeloglu, Ayse Celik
dc.date.accessioned2026-02-08T15:08:34Z
dc.date.available2026-02-08T15:08:34Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractIn this study, different core structures are produced with polylactic acid (PLA) and carbon fiber reinforced PLA (CFR-PLA) filaments using a 3D printer with fused deposition modeling (FDM) technique. An alternative new core structure is proposed to the honeycomb and square core structures commonly used in the literature. Then, sandwich composites are produced by bonding carbon fiber-epoxy plates to the lower and upper surfaces of these core structures. The effect of carbon fiber reinforcement and core types on the mechanical properties of sandwich composites was investigated. The core structures produced with carbon fiber-reinforced PLA showed lower compressive strength but higher compressive modulus than those produced with pure PLA. Among the core structures, the designed structure showed the highest compressive strength with a value of 9.867 MPa, which is 32.18% and 54.36% higher than the honeycomb and square structure. While the flexural strength and flexural stiffness of the sandwich composites increased with carbon fiber reinforcement, the designed sandwich composite showed approximately 1.40 and 3.15 times the flexural strength of the honeycomb and square sandwich composites, respectively.
dc.identifier.doi10.61112/jiens.1355323
dc.identifier.endpage112
dc.identifier.issn2791-7630
dc.identifier.issue1
dc.identifier.startpage98
dc.identifier.trdizinid1223881
dc.identifier.urihttps://doi.org/10.61112/jiens.1355323
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5124
dc.identifier.volume4
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.relation.ispartofJournal of innovative engineering and natural science (Online)
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_TR-Dizin_20260207
dc.subjectSandwich composite
dc.subjectCompressive properties
dc.subject3D-Printed core
dc.subjectFused deposition modeling (FDM)
dc.subjectCarbon fiber-reinforced polylactic acid
dc.subjectFlexural properties
dc.titleThe flexural and compressive properties of sandwich composites with different 3D-printed core structures
dc.typeArticle

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