Bio-Inspired 3D Infill Patterns for Additive Manufacturing and Structural Applications

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dc.contributor.authorPodroužek, Jancs
dc.contributor.authorMarcon, Marcocs
dc.contributor.authorNinčevič, Krešimircs
dc.contributor.authorWendner, Romancs
dc.coverage.issue3cs
dc.coverage.volume12cs
dc.date.issued2019-02-06cs
dc.description.abstractThe aim of this paper is to introduce and characterize, both experimentally and numerically, three classes of non-traditional 3D infill patterns at three scales as an alternative to classical 2D infill patterns in the context of additive manufacturing and structural applications. The investigated 3D infill patterns are biologically inspired and include Gyroid, Schwarz D and Schwarz P. Their selection was based on their beneficial mechanical properties, such as double curvature, are not only known from nature but also emerge from numerical topology optimization. A classical 2D hexagonal pattern has been used as a reference. Mechanical performance of 14 cylindrical specimens in compression is quantitatively related to stiffness, peak load and weight. Digital image correlation provides accurate full-field deformation measurements and insights into periodic features of the surface strain field. The associated variability, which is inherent to the production and testing process, has been evaluated for 3 identical Gyroid specimens. The nonlinear material model for the preliminary FEM analysis is based on tensile test specimens with 3 different slicing strategies. The 3D infill patterns are generally useful when the extrusion orientation cannot be aligned with the build orientation and the principal stress field, i.e. in case of generative design, such as the presented branching structure, or any complex shape and boundary condition.en
dc.description.abstractThe aim of this paper is to introduce and characterize, both experimentally and numerically, three classes of non-traditional 3D infill patterns at three scales as an alternative to classical 2D infill patterns in the context of additive manufacturing and structural applications. The investigated 3D infill patterns are biologically inspired and include Gyroid, Schwarz D and Schwarz P. Their selection was based on their beneficial mechanical properties, such as double curvature, are not only known from nature but also emerge from numerical topology optimization. A classical 2D hexagonal pattern has been used as a reference. Mechanical performance of 14 cylindrical specimens in compression is quantitatively related to stiffness, peak load and weight. Digital image correlation provides accurate full-field deformation measurements and insights into periodic features of the surface strain field. The associated variability, which is inherent to the production and testing process, has been evaluated for 3 identical Gyroid specimens. The nonlinear material model for the preliminary FEM analysis is based on tensile test specimens with 3 different slicing strategies. The 3D infill patterns are generally useful when the extrusion orientation cannot be aligned with the build orientation and the principal stress field, i.e. in case of generative design, such as the presented branching structure, or any complex shape and boundary condition.cs
dc.formattextcs
dc.format.extent1-12cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMaterials . 2019, vol. 12, issue 3, p. 1-12.en
dc.identifier.doi10.3390/ma12030499cs
dc.identifier.issn1996-1944cs
dc.identifier.orcid0000-0003-0493-5922cs
dc.identifier.other155557cs
dc.identifier.scopus25121877100cs
dc.identifier.urihttp://hdl.handle.net/11012/181098
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofMaterialscs
dc.relation.urihttps://www.mdpi.com/1996-1944/12/3/499cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1996-1944/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subject3D infillen
dc.subject2D infillen
dc.subjectFused Deposition Modellingen
dc.subjectDigital Image Correlationen
dc.subject3D printingen
dc.subject3D infill
dc.subject2D infill
dc.subjectFused Deposition Modelling
dc.subjectDigital Image Correlation
dc.subject3D printing
dc.titleBio-Inspired 3D Infill Patterns for Additive Manufacturing and Structural Applicationsen
dc.title.alternativeBio-Inspired 3D Infill Patterns for Additive Manufacturing and Structural Applicationscs
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-155557en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:44:13en
sync.item.modts2025.01.17 18:34:04en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav automatizace inženýrských úloh a informatikycs
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