OS2304 自動車側面衝撃緩和のためのCFRPインパクトベルト衝撃吸収性能の向上(OS23-1 構造強度とエネルギ吸収,OS-23 自動車車体の構造強度・構造形成・疲労信頼性と軽量化)

概要

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In automobiles, the CFRP has a possibility of weight of reduction in automotive structures which can contribute to improve mileage and then to reduce Carbon dioxide. On the other hand, the safety of collision should be also made clear in the case of employing the CFRP to automotive structures. In the paper, the CFRP guarder belt equipped in the automotive door is developed and examined by an experiment for replacing the conventional steel door guarder beam. The impact response behavior and the absorbed energy of the CFRP guarder belt were obtained by the tower drop weight impact test. The experimental relation of impact load to displacement for CFRP guarder belt agreed well with that of numerical result. From the results, the numerical method developed here is quite useful for estimating impact behaviors of CFRP guarder belt.
一般社団法人日本機械学会の論文
2011-07-16