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15 April 2016 3D printed elastic honeycombs with graded density for tailorable energy absorption
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This work describes the development and experimental analysis of hyperelastic honeycombs with graded densities, for the purpose of energy absorption. Hexagonal arrays are manufactured from thermoplastic polyurethane (TPU) via fused filament fabrication (FFF) 3D printing and the density graded by varying cell wall thickness though the structures. Manufactured samples are subject to static compression tests and their energy absorbing potential analysed via the formation of energy absorption diagrams. It is shown that by grading the density through the structure, the energy absorption profile of these structures can be manipulated such that a wide range of compression energies can be efficiently absorbed.
Conference Presentation
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Simon R. G. Bates, Ian R. Farrow, and Richard S. Trask "3D printed elastic honeycombs with graded density for tailorable energy absorption", Proc. SPIE 9799, Active and Passive Smart Structures and Integrated Systems 2016, 979907 (15 April 2016);

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