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이길성(Kilsung Lee),양용준(Yongjun Yang),박준우(Junwoo Park),황우채(Woochae Hwang),김정호(Jungho Kim),서현경,양인경(Inyoung Yang) 한국자동차공학회 2007 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
Aluminum members under axial load absorb energy through sustained plastics deformation. However, CFRP (Carbon Fiber Reinforced Plastics) members absorb energy through uneven brittle failure. On the other hand, CFRP has higher specific stiffness and specific strength as compared to aluminum members. This study examines collapse characteristics of aluminum composite compound structural member. Since CFRP is an anisotropic material, its collapse characteristics change according to orientation. Therefore, CFRP collapse characteristics have been evaluated against orientation angle and thickness. Collapse mode of the combined CFRP aluminum member has been determined by orientation angle of the CFRP where it was steadily collapsed under high load. In addition, it was demonstrated that energy absorption is dependent upon orientation angle and thickness.