Mixed-mode fracture behavior of 3D-printed PLA with zigzag filling

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dc.authoridTorun, Ahmet Refah/0000-0001-7213-5228
dc.authoridKaya, Seyma Helin/0000-0002-0742-3001
dc.authorid, Ege Can/0000-0002-0534-1379
dc.authoridCHOUPANI, NAGHDALI/0000-0001-7872-6408
dc.contributor.authorTorun, Ahmet Refah
dc.contributor.authorYildiz, Ege Can
dc.contributor.authorKaya, Seyma Helin
dc.contributor.authorChoupani, Naghdali
dc.date.accessioned2025-01-06T17:36:41Z
dc.date.available2025-01-06T17:36:41Z
dc.date.issued2021
dc.description.abstractPolylactic acid (PLA) is a widely used biomaterial in medical applications as a biodegradable and renewable aliphatic polyester type of material. This material is often subjected to different defects and damages from in-service and manufacturing conditions, and the increasing demand for PLA for different applications requires a thorough understanding of its fracture behavior. In this work, a numerical and experimental study of the mixed-mode fracture behaviors of three-dimensional (3D)-printed PLA samples with a zigzag pattern of different filling ratios was performed using a recently developed special loading fixture. The 3D-printed samples were produced with a 200 degrees C nozzle at 60 degrees C bed temperature and 50mm/s printing speed. Mixed-mode fracture tests from pure tensile to pure shear loading were performed by varying the loading angle, alpha, from 0 to 90 degrees. Finite-element analyses were conducted by using the Abaqus software program, and geometrical factors were obtained at different loading angles. As a result, the fracture toughness values of pure tensile loading, pure shear loading and mixed modes were determined.
dc.identifier.doi10.1680/jgrma.20.00013
dc.identifier.endpage36
dc.identifier.issn2049-1220
dc.identifier.issn2049-1239
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85102862326
dc.identifier.scopusqualityQ3
dc.identifier.startpage29
dc.identifier.urihttps://doi.org/10.1680/jgrma.20.00013
dc.identifier.urihttps://hdl.handle.net/20.500.14669/1953
dc.identifier.volume9
dc.identifier.wosWOS:000630074600004
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIce Publishing
dc.relation.ispartofGreen Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectbiopolymer
dc.subjectmaterial characterisation
dc.subjectmechanical properties
dc.titleMixed-mode fracture behavior of 3D-printed PLA with zigzag filling
dc.typeArticle

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