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Processing and Characterization of Kagome Unit Cell Through Fused

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Processing and Characterization of Kagome Unit Cell Through Fused Deposition Modeling

 

Lattice structures have high specific strength and stiffness compared to solid structures and are suitable for aerospace, automobile, and defense applications. These structures can be produced through disruptive additive manufacturing processes to near net shape. This study is motivated by the need to design new lattice structures with better mechanical performance than the existing lattice structures. In this study, the compressive response of two core topologies namely, 3D Kagome and a novel strut reinforced Kagome (SRK) structures are investigated through finite element simulations and instrumented experiments. These core structures are fabricated by fused deposition modeling (FDM) with acrylonitrile butadiene styrene (ABS) ABSplus™ plastic resin. The effect of build orientation on both structures is explored through compression tests. This novel SRK structure’s performance for compressive strength, effective stiffness, failure strain and energy absorption was compared to Kagome unit cell structures and

found to outperform them by 6 %, 14 %, 79 %, and 78 % respectively.

 

Authors: Rinoj Gautam, and Sridhar Idapalapati

 

Conference: SAMPE Seattle 2017

 

SKU/Code: SE17--0664

Pages: 11


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