Static behavior of lattice structures produced via direct metal laser sintering technology

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dc.contributor.authorCrupi, Vincenzo
dc.contributor.authorKara, Emre
dc.contributor.authorEpasto, Gabriella
dc.contributor.authorGuglielmino, Eugenio
dc.contributor.authorAykul, Halil
dc.date.accessioned2019-05-10T09:39:50Z
dc.date.available2019-05-10T09:39:50Z
dc.date.issued2017
dc.departmentHitit Üniversitesi, Mühendislik Fakültesi, Makine Mühendisliği Bölümü
dc.description.abstractThe aim of this scientific work was the analysis of the micro lattice structures under uniaxial quasi-static compression loading with regard to the effect of unit cell size and strut diameter. A wide range of cubic lattice blocks designed in a CAD software were fabricated using Ti6Al4V (Ti64) metal powder and two different production parameters in the direct metal laser sintering machine. The failure modes of the specimens were investigated and the 3D Computed Tomography system was used for the morphological analysis of the struts. An analytical model, developed by Gibson and Ashby, was adapted to the titanium body centered cubic lattices in order to predict their mechanical properties for compressive loading. Moreover, the compressive responses of the lattice structures were also studied using a numerical approach based on finite element analysis. Both experimental and theoretical results presented good agreement in terms of mechanical properties of the body centered cubic lattices and showed that such structures are great energy absorbers. Theoretical approaches gave significant results on the predictions of mechanical properties of these cellular structures, which are suitable for biomedical and transport engineering applications, in order to save manufacturing cost and time. © 2017 Elsevier Ltd
dc.identifier.citationCrupi, V., Kara, E., Epasto, G., Guglielmino, E., Aykul, H. (2017). Static behavior of lattice structures produced via direct metal laser sintering technology. Materials & Design, 135, 246-256.
dc.identifier.doi10.1016/j.matdes.2017.09.003
dc.identifier.endpage256en_US
dc.identifier.issn0264-1275
dc.identifier.scopusqualityQ1
dc.identifier.startpage246en_US
dc.identifier.urihttps://doi.org/10.1016/j.matdes.2017.09.003
dc.identifier.urihttps://hdl.handle.net/11491/789
dc.identifier.volume135en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Ltd
dc.relation.ispartofMaterials and Design
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectComputed Tomographyen_US
dc.subjectDirect Metal Laser Sinteringen_US
dc.subjectFinite Element Analysisen_US
dc.subjectLight-Weight Structuresen_US
dc.subjectMicro Lattice Structuresen_US
dc.titleStatic behavior of lattice structures produced via direct metal laser sintering technology
dc.typeArticle

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