Effective Elastic Properties of Additively Manufactured Metallic Lattice Structures: Unit-Cell Modeling

dc.creatorFashanu, O.
dc.creatorMurphy, D.
dc.creatorSpratt, M.
dc.creatorNewkirk, J.
dc.creatorChandrashekhara, K.
dc.date.accessioned2021-11-30T21:31:06Z
dc.date.available2021-11-30T21:31:06Z
dc.date.issued2019
dc.description.abstractLattice structures are lightweight materials, which exhibit a unique combination of properties such as air and water permeability, energy and acoustic absorption, low thermal conductivity, and electrical insulation. In this work, unit-cell homogenization was used to predict the effective elastic moduli of octet-truss (OT) lattice structures manufactured using selective laser melting (SLM). OT structures were manufactured using a Renishaw AM 250 SLM machine with various relative densities. Compression test was carried out at strain rate 5 × 10-3 m-1 using an MTS frame. Finite element analysis was used in the determination of the OT’s effective elastic properties. Results from the finite element analysis were validated using experiments. It was observed that the finite element predictions were in good agreement with the experimental results.en_US
dc.description.departmentMechanical Engineeringen_US
dc.description.sponsorshipThis work was funded by the Department of Energy’s Kansas City National Security Campus which is operated and managed by Honeywell Federal Manufacturing & Technologies, LLC under contract number DENA0002839.en_US
dc.identifier.urihttps://hdl.handle.net/2152/90555
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/17474
dc.language.isoengen_US
dc.publisherUniversity of Texas at Austinen_US
dc.relation.ispartof2019 International Solid Freeform Fabrication Symposiumen_US
dc.rights.restrictionOpenen_US
dc.subjectunit-cellen_US
dc.subjectelasticityen_US
dc.subjectlattice structuresen_US
dc.subjectoctet-trussen_US
dc.subjectselective laser meltingen_US
dc.titleEffective Elastic Properties of Additively Manufactured Metallic Lattice Structures: Unit-Cell Modelingen_US
dc.typeConference paperen_US

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