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충진된 폼의 밀도에 따른 CFRP 원형부재의 에너지 흡수특성
최주호(Juho Choi),차천석(Cheonseok Cha),정종안(Jongahn Jung),양인영(Inyoung Yang) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
In this study, one type of circular shaped composite tube was used, combined with reinforcing foam and without foam. Furthermore, CFRP(Carbon Fiber Reinforced Plastic) circular member manufactured from CFRP prepreg sheet for lightweight design. CFRP is an anisotropic material which is the most widely adapted lightweight structural member. The crashworthy behavior of circular composite material tubes subjected to static axial compression under same condition is reported in this paper. Test was executed in order to compare the results to the energy absorption and collapse shape. The collapse mode during the failure process were observed and analyzes. The behavior of polymetric foams to the tubes crashworthiness were also investigated.