Investigation the effects of obstacle geometries and injection molding parameters on weld line strength using experimental and finite element methods in plastic injection molding

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dc.contributor.authorOzcelik, Babur
dc.contributor.authorKuram, Emel
dc.contributor.authorTopal, M. Mustafa
dc.date.accessioned2025-10-29T11:27:30Z
dc.date.issued2012
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümü
dc.description.abstractIn this study, effects of injection parameters and weld line on the mechanical properties of polypropylene (PP) moldings were studied. To produce weld line at PP specimens, the obstacles having edge angle of 0 degrees, 15 degrees and 45 degrees were designed. These obstacles were located at the center of the mold. The effects of both obstacles angles and the injection molding parameters such as melt temperature and packing pressure on the mechanical strength were investigated. Mechanical properties such as tensile strength and izod impact strength (notched) of the specimens were measured by test methods. The effect of molecular orientation on the mechanical properties of the specimens was discussed by Finite Element Analysis. Weld line tensile strength of injection molded specimens having obstacle edge angle (CEA) of 15 degrees was obtained higher than the other obstacle edge angles. (C) 2011 Elsevier Ltd. All rights reserved.
dc.description.sponsorshipGebze Institute of Technology [2011-A-31]
dc.description.sponsorshipThe authors would like to thank to Gebze Institute of Technology for financial support of the project, 2011-A-31. The authors also thank to Autodesk Moldflow BILTIM Co. in Turkey for making the commercial code MPI available.
dc.identifier.doi10.1016/j.icheatmasstransfer.2011.11.012
dc.identifier.endpage281
dc.identifier.issn0735-1933
dc.identifier.issue2
dc.identifier.orcid0000-0003-3864-7582
dc.identifier.orcid0000-0001-5742-9498
dc.identifier.scopus2-s2.0-84856771901
dc.identifier.scopusqualityQ1
dc.identifier.startpage275
dc.identifier.urihttps://doi.org/10.1016/j.icheatmasstransfer.2011.11.012
dc.identifier.urihttps://hdl.handle.net/20.500.14854/10752
dc.identifier.volume39
dc.identifier.wosWOS:000301613300018
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofInternational Communications in Heat and Mass Transfer
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20251020
dc.subjectPlastic injection molding
dc.subjectPP
dc.subjectMechanical properties
dc.subjectWeld line
dc.titleInvestigation the effects of obstacle geometries and injection molding parameters on weld line strength using experimental and finite element methods in plastic injection molding
dc.typeArticle

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