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3D printed elastic honeycombs with graded density for tailorable energy absorption

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationActive and Passive Smart Structures and Integrated Systems 2016
Subtitle of host publicationLas Vegas, Nevada, United States | March 20, 2016
EditorsGyuhae Park
Publisher or commissioning bodySociety of Photo-Optical Instrumentation Engineers (SPIE)
Number of pages10
ISBN (Print)9781510600409
DateAccepted/In press - 16 Nov 2015
DatePublished (current) - 15 Apr 2016

Publication series

NameProceedings of SPIE
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


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.

    Research areas

  • Cellular structures, Elastomers, functional grading, energy absorption

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via SPIE at Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 914 KB, PDF document


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