Effect of different auxetic cell design on the compression behavior of FDMed structures

Effect of different auxetic cell design on the compression behavior of FDMed structures

NAPOLITANO Francesco, CARDENIO Ivano, DEFINA Filippo, MANCO Emanuele, MANZO Alessandro, PAPA Ilaria, RUSSO Pietro

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Abstract. Among the different additive manufacturing technologies for polymeric materials, Fused Deposition Modelling has obtained great visibility and, thanks to the numerous studies on the process conditions, reached high quality of workpiece production. Nevertheless, the slicers are projected to replicate standard and easy to reproduce patterns, which don’t take into account the final use of the workpiece produced. An optimization of the extruded material is represented by the design oriented to support specific loads, which are applied along specific directions. In this research work is proposed the use of auxetic geometry and two different cell types are proposed and compared with the related conventional workpieces, printed with the same volume density. The use of auxetic design allows for differentiation of the load-bearing and to obtain structures which don’t lose their original shape and that can adsorb the compressive energy reaching the compaction which improves the final resistance.

Auxetic, Cellular Structures, Compression, Thermoplastic, FDM

Published online 4/24/2024, 10 pages
Copyright © 2024 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: NAPOLITANO Francesco, CARDENIO Ivano, DEFINA Filippo, MANCO Emanuele, MANZO Alessandro, PAPA Ilaria, RUSSO Pietro, Effect of different auxetic cell design on the compression behavior of FDMed structures, Materials Research Proceedings, Vol. 41, pp 2607-2616, 2024

DOI: https://doi.org/10.21741/9781644903131-286

The article was published as article 286 of the book Material Forming

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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