| Issue |
EPJ Web Conf.
Volume 250, 2021
DYMAT 2021 - 13th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 06004 | |
| Number of page(s) | 6 | |
| Section | Non Metallic Materials | |
| DOI | https://doi.org/10.1051/epjconf/202125006004 | |
| Published online | 09 September 2021 | |
https://doi.org/10.1051/epjconf/202125006004
On the study of the dynamic response in 3D additively manufactured auxetic structures
1
Department of Continuum Mechanics and Structural Analysis, University Carlos III of Madrid, 28911 Leganés, Madrid, Spain
2
Department of Mechanical Engineering, Østfold University College, 1757 Halden, Norway
Published online: 9 September 2021
The main aim of this work is to analyse the quasi-static and the dynamic response and deformation behaviour of polymeric auxetic structures manufactured with an SLA (stereolitography) additive manufacturing technique. To this end, different experimental tests were performed using a universal servo-hydraulic instron machine and a Split Hopkinson Pressure Bar (SHPB). The study focuses on the understanding of the mechanical deformation response of the metamaterial depending on the type of load, the amount and distribution of the unit cells and the strain rate applied.
Key words: Additive Manufacturing / Split Hopkinson Pressure Bar / Auxetic behaviour / Lattice structures / dynamic regime
© The Authors, published by EDP Sciences, 2021
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