Journal
COMPOSITE STRUCTURES
Volume 93, Issue 11, Pages 2748-2759Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2011.05.029
Keywords
Passive safety; Shock absorption; Innovative helmets; Experimental analysis
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Funding
- EU [MRTN-CT-2006-035965]
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The enhancement of the energy absorption properties of motorbike helmets could significantly improve the safety of riders. This study reports a novel concept of helmet design, which consists in the use of aluminium honeycomb as reinforcement material of the helmet liner. A modified version of a commercial helmet is presented, in which aluminium honeycombs are used in the energy absorbing liner. The ECE 22.05 standard tests were performed on both the prototype helmets and their commercial counterparts (presenting same dimensions, geometry, material properties and weight), and the dynamic responses were compared. The results showed that the prototype helmets provided better protection to the head from impacts against the kerbstone anvil. More limited improvements were also observed in some of the impacts on flat anvil, although other results indicated to some extent the limitations of the strategy adopted in our research. (C) 2011 Elsevier Ltd. All rights reserved.
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