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Title: Printing and characterisation of Kagome lattice structures by fused deposition modelling
Authors: Gautam, Rinoj
Idapalapati, Sridhar
Feih, Stefanie
Keywords: Engineering::Mechanical engineering
Issue Date: 2018
Source: Gautam, R., Idapalapati, S., & Feih, S. (2018). Printing and characterisation of Kagome lattice structures by fused deposition modelling. Materials and Design, 137, 266-275. doi:10.1016/j.matdes.2017.10.022
Journal: Materials and Design
Abstract: Sandwich structures with lattice cores exhibit high specific bending strength and stiffness when compared to monolithic structures. Additive manufacturing is able to further expand the available design space to fabricate novel core structures with complex features. In this paper, the compressive performance of the Kagome truss unit cell of acrylonitrile butadiene styrene (ABS) ABSplus™ fabricated by fused deposition modelling is investigated. The influences of part build orientation, truss radius and surface roughness on strength and stiffness are critically explored. The change in build orientation improved the average peak strength and effective stiffness by 23% and 19%, respectively. 90% (v/v) acetone was used to polish the printed surfaces and 5 min chemical treatment was optimal based on the measured surface roughness, strength and stiffness values. These single cell studies will help to understand the macroscopic behaviour of the beams and plates with Kagome cores under quasi-static bending and impact loading scenarios.
ISSN: 0261-3069
DOI: 10.1016/j.matdes.2017.10.022
Rights: © 2017 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SC3DP Journal Articles

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