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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    Special 1    September 2009

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Crushing behavior of lightmass structural member
Kil-Sung LEE1, Yong-June YANG2, Woo-Chae HWANG2, In-Young YANG3

1. Department of Mechatronics, Chosun University of Science and Technology,
 290 Seosuk-dong, Dong-gu, Gwang-ju, 501-744, Korea;
2. Department of Advanced Part and Materials Engineering, Chosun University, 375 Seosuk-dong,
Dong-gu, Gwang-ju, 501-759, Korea;
3. Department of Mechanical Design Engineering, Chosun University, 375 Seosuk-dong,
Dong-gu, Gwang-ju, 501-759, Korea

Abstract:Carbon fiber reinforced plastic (CFRP) of the advanced composite materials is widely used in lightmass structural materials of air planes, ship and automobiles because of high strength and stiffness. In this study, experimental investigation was performed for each specimen. The square section members consist of aluminum, CFRP and hybrid (aluminum/CFRP) member, and hat-shaped section members consist of CFRP and hybrid (aluminum/CFRP) members specimen. Based on the collapse characteristics of aluminum square section member, the collapse characteristics and energy absorption capability of hat-shaped section members were analyzed. The axial static collapse tests were carried out for each section member. The collapse modes and the energy absorption capability of the members were analyzed. In the lightmass design aspect, the collapse characteristics and energy absorption capability of the members were compared.

 

Key words: carbon fiber reinforced plastic (CFRP); collapse characteristics; energy absorption capability; hybrid (aluminum/CFRP) composite

ISSN 1672-7029
CN 43-1423/U

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