Compressive Response of Strut-Reinforced Kagome with Polyurethane Reinforcement

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dc.creatorGautam, Rinoj
dc.creatorSridharan, Vijay Shankar
dc.creatorTeh, Wee Lee
dc.creatorIdapalapati, Sridhar
dc.date.accessioned2021-11-30T21:22:25Z
dc.date.available2021-11-30T21:22:25Z
dc.date.issued2019
dc.description.abstractLattice structures find immense application in lightweight structures for their high specific strength, modulus, and energy absorption. Strut-reinforced Kagome (SRK) structures provide better compressive performance compared to many existing lattice structures. In this study, the performance of acrylonitrile butadiene styrene (ABS) SRK lattice structures, fabricated by fused deposition modeling, under compression loading is investigated. Further, SRK structures were filled with different polyurethane in the empty space and their effect on the compressive performance was examined. The SRK structure demonstrated abrupt failure at the joints in the vicinity of face sheet, thereby reducing the energy absorption of the structure. The SRK with flexible foam (low-density polyurethane foam) had no significant effect on peak failure load and moduli, whereas energy absorption per unit mass was higher by 16.5%. The SRK with the rigid foam (high-density foam) displayed not only the better energy absorption per unit mass (116%) but also different failure behavior than SRK only.en_US
dc.description.departmentMechanical Engineeringen_US
dc.identifier.urihttps://hdl.handle.net/2152/90552
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/17471
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.subjectlattice structuresen_US
dc.subjectstrut-reinforced kagomeen_US
dc.subjectSRKen_US
dc.subjectABSen_US
dc.subjectcompressive loadingen_US
dc.subjectfused deposition modelingen_US
dc.titleCompressive Response of Strut-Reinforced Kagome with Polyurethane Reinforcementen_US
dc.typeConference paperen_US

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2019 International Solid Freeform Fabrication Symposium