Application of fibre-reinforced composites beam as energy absorption member in vehicle.pdf - International Journal of Crashworthiness ISSN

Application of fibre-reinforced composites beam as energy absorption member in vehicle.pdf

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Full Terms & Conditions of access and use can be found at International Journal of Crashworthiness ISSN: 1358-8265 (Print) 1754-2111 (Online) Journal homepage: Application of fibre-reinforced composites beam as energy absorption member in vehicle Yuqiu Yang , Xiaofeng Wu & Hiroyuki Hamada To cite this article: Yuqiu Yang , Xiaofeng Wu & Hiroyuki Hamada (2013) Application of fibre- reinforced composites beam as energy absorption member in vehicle, International Journal of Crashworthiness, 18:2, 103-109, DOI: 10.1080/13588265.2012.756309 To link to this article: Published online: 17 Jan 2013. Submit your article to this journal Article views: 408 View related articles Citing articles: 9 View citing articles
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International Journal of Crashworthiness , 2013 Vol. 18, No. 2, 103–109, Application of fibre-reinforced composites beam as energy absorption member in vehicle Yuqiu Yang a,c , Xiaofeng Wu b and Hiroyuki Hamada c a College of Textiles, Donghua University, Shanghai, China; b Electronic Engineering Department, Fudan University, Shanghai, China; c Advanced Fibro Science, Kyoto Institute of Technology, Kyoto, Japan ( Received 4 August 2011; final version received 10 April 2012 ) In this study, a new design concept of impact beam completely made of fibre-reinforced polymers (FRPs) is proposed, which combines the conventional thin-wall tube with square cross-section and embedded short tubes with circular cross-section. Such architecture can not only retain the assemble convenience owing to square cross section of the outer tube but also had the high energy absorption of the inner circular tubes which face towards the external impact force. Quasi-static compression tests were performed to investigate the basic characteristics including energy absorption and strength of the new designed impact beam. Experimental results showed that, compared with the conventional architecture of the composites impact beam, the new design was able to obtain both high energy absorption and tension of the impact beam. The combination of square cross-sectional glass FRP tube with embedded circular cross-sectional carbon FRP tubes had the highest synergetic energy absorption capability. Keywords: impact beam; energy absorption; tension; fibre-reinforced composite; pultrusion tube 1. Introduction As is well known, the problem of safety is always one of the most important issues during the development of automo- biles. Although injury due to traffic accidents is a serious problem, it is considerably more controllable if adequate at- tention is paid to accident and injury prevention strategies. Therefore, nowadays, a wide range of passive safety equip- ments and features are incorporated into automotives, such as energy-absorbing steering columns, bumpers, etc. to pro- vide an energy-absorption barrier, whilst the safe cabin with high tension helps to divert impact forces away from the oc- cupant to keep some survival space. Traditionally, most of this protection is made of metals. However, for metals, high
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