Thermal deformation in non-planar large-scale additive manufacturing of ABS: experimental and finite element analysis

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dc.contributor.authorAladağ, Mehmet
dc.contributor.authorTek, Engin
dc.contributor.authorAkeloğlu, Mehmet Ali
dc.contributor.authorDubicki, Adrian
dc.contributor.authorZglobicka, Izabela
dc.contributor.authorEyercioğlu, Ömer
dc.contributor.authorKurzydlowski, Krzysztof J.
dc.date.accessioned2026-04-03T07:09:44Z
dc.date.available2026-04-03T07:09:44Z
dc.date.issued2026
dc.departmentMeslek Yüksekokulu, Gedik Meslek Yüksekokulu, Mekatronik Programı
dc.description.abstractIn this study, thermal deformation in non-planar, large-scale additive manufacturing (LSAM) was experimentally and numerically investigated. A B & eacute;zier-based non-planar build surface was fabricated by CNC machining, and a single layer of ABS was deposited using a hybrid LSAM system. Toolpaths with raster angles of 0 degrees and 45 degrees were generated for surface-conformal printing. Infrared thermography was employed to monitor the thermal history during deposition. A three-dimensional finite element model was developed to simulate transient heat transfer and thermally induced deformation. Experimental deformation was quantified by 3D scanning and compared with simulation results. The results show that the slope geometry strongly influences deformation direction: negative slopes promote contraction, whereas positive slopes lead to upward deflection. Maintaining the material temperature above the glass transition temperature significantly reduces skew deformation. The finite element method predictions demonstrate strong agreement with experimental measurements, with normalized root mean square errors (NRMSEs) of approximately 11% for thermal deformation and 10% for temperature history. The proposed framework enables prediction and mitigation of thermal warping in non-planar polymer additive manufacturing.
dc.description.sponsorshipBialystok University of Technology ; Bialystok University of Technology, Faculty of Mechanical Engineering, Poland
dc.identifier.doi10.3390/ma19061064
dc.identifier.issn1996-1944
dc.identifier.issue6
dc.identifier.pmid41900555
dc.identifier.scopus2-s2.0-105034198676
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/ma19061064
dc.identifier.urihttps://hdl.handle.net/11501/2676
dc.identifier.volume19
dc.identifier.wosWOS:001725999100001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakPubMed
dc.indekslendigikaynakScopus
dc.institutionauthorTek, Engin
dc.institutionauthorid0000-0002-9664-6142
dc.language.isoen
dc.publisherMDPI
dc.relation.ispartofMaterials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectHybrid Large-Scale Additive Manufacturing
dc.subjectNon-Planar Printing
dc.subjectCoating
dc.subjectNumerical Simulation
dc.subjectThermal Deformation
dc.titleThermal deformation in non-planar large-scale additive manufacturing of ABS: experimental and finite element analysis
dc.typeArticle

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