The Mechanical Properties of 3D-Printed Polylactic Acid/Polyethylene Terephthalate Glycol Multi-Material Structures Manufactured by Material Extrusion

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dc.contributor.authorDemir, Emre
dc.contributor.authorDuygun, Inal Kaan
dc.contributor.authorBedeloglu, Ayse
dc.date.accessioned2026-02-12T21:05:37Z
dc.date.available2026-02-12T21:05:37Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThe mechanical properties of polylactic acid (PLA), polyethylene terephthalate glycol (PETG), and PLA/PETG structures manufactured using the multi-material additive manufacturing (MMAM) method were studied in this work. Material extrusion additive manufacturing was used to print PLA/PETG samples with various PLA and PETG layer numbers. By varying the top and bottom layer numbers of two thermoplastics, the effect of layer number on the mechanical properties of 3D-printed structures was investigated. The chemical and thermal characteristics of PLA and PETG were investigated using Fourier transform infrared spectroscopy and differential scanning calorimetry. Tensile and flexural strength of 3D-printed PLA, PETG, and PLA/PETG samples were determined using tensile and three-point bending tests. The fracture surfaces of the samples were evaluated using optical microscopy. The results indicated that multi-material part containing 13 layers of PLA and 3 layers of PETG exhibited the highest ultimate tensile strength (65.4 MPa) and a good flexural strength (91.4 MPa). MMAM was discovered to be a viable way for producing PLA/PETG materials with great mechanical performance.
dc.identifier.doi10.1089/3dp.2021.0321
dc.identifier.endpage206
dc.identifier.issn2329-7662
dc.identifier.issn2329-7670
dc.identifier.issue1
dc.identifier.pmid38389667
dc.identifier.scopus2-s2.0-85185829702
dc.identifier.scopusqualityQ2
dc.identifier.startpage197
dc.identifier.urihttps://doi.org/10.1089/3dp.2021.0321
dc.identifier.urihttps://hdl.handle.net/20.500.12885/7054
dc.identifier.volume11
dc.identifier.wosWOS:000775884100001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMary Ann Liebert, Inc
dc.relation.ispartof3D Printing and Additive Manufacturing
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20260212
dc.subject3D printing
dc.subjectmaterial extrusion
dc.subjecttensile properties
dc.subjectflexural properties
dc.subjectPLA
dc.subjectPETG
dc.titleThe Mechanical Properties of 3D-Printed Polylactic Acid/Polyethylene Terephthalate Glycol Multi-Material Structures Manufactured by Material Extrusion
dc.typeArticle

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