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Feasibility study on the use of a hierarchical lattice architecture for helmet liners
University of Padova, Italy.
RISE - Research Institutes of Sweden, Materials and Production, SICOMP.ORCID iD: 0000-0002-1594-2688
University of Padova, Italy.
2018 (English)In: Materials Today Communications, ISSN 2352-4928, Vol. 14, p. 312-323Article in journal (Refereed) Published
Abstract [en]

Helmets are the most important piece of protective equipment for motorcyclists. The liner of the helmet is the main part of the helmet which dissipates the impact energy and mitigates the load transmitted to the head. Therefore, optimizing the material that absorbs most of the impact energy would improve the helmet's protection capacity. It is known that the energy absorption of the helmet liner can be optimized by means of using liners with varying properties through the thickness, however currently the majority of used liners exhibit constant properties through the thickness. Advances in the field of topology optimization and additive manufacturing provide the ability of building complex geometries and tailoring mechanical properties. Along those lines, in the present work the feasibility of using a hierarchical lattice liner for helmets was studied. Finite element method was employed to study whether a hierarchical lattice liner could reduce the risk of head injuries in comparison to currently used liner materials. The results show that using a hierarchical lattice liner has the potential of significantly reducing the risk of head injury compared to a helmet with traditional EPS liner and could potentially be considered as the new generation of energy absorbing liners for helmets.

Place, publisher, year, edition, pages
2018. Vol. 14, p. 312-323
Keywords [en]
Additive manufacturing, FEM, Helmet, Hierarchical lattice, PPE
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-34533DOI: 10.1016/j.mtcomm.2018.02.002Scopus ID: 2-s2.0-85044850684OAI: oai:DiVA.org:ri-34533DiVA, id: diva2:1237564
Note

 People Programme (Marie Sklodowska Curie Actions) of the European Union’s Seventh Framework Programme FP7/2007-2013/under REA grant agreement n° [ FP7-PEOPLE-2013-ITN-608092 ]. .

Available from: 2018-08-09 Created: 2018-08-09 Last updated: 2019-06-18Bibliographically approved

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CiteExportLink to record
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  • apa
  • harvard1
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  • Other locale
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Output format
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