Browse > Article
http://dx.doi.org/10.14346/JKOSOS.2015.30.6.12

An Experimental Study on the Impact Energy Absorption Mechanism of CFRP/Al Compound Square Tube  

Hwang, Woo Chae (Technology Research Center, SEOUL METAL CO., Ltd.)
Cha, Cheon Seok (Department of Fire Protections and Safety Engineering, Dongkang College)
Yang, Yong Jun (Department of Fire Protections and Safety Engineering, Dongkang College)
Jung, Jong An (Department of Mechanical and Automotive Engineering, Songwon University)
Yang, In Young (Department of Mechanical System Engineering, Chosun University)
Publication Information
Journal of the Korean Society of Safety / v.30, no.6, 2015 , pp. 12-17 More about this Journal
Abstract
In this study, the collapse characteristic of CFRP/Al compound square tube was investigated experimentally. The conclusions are as follows; The impact collapse characteristic of CFRP/Al compound square tube was found to be the most superior stacking conditions $[90^{\circ}]_8$. It showed that a very stable collapse mode was crushing. In the member with $[0_2{^{\circ}}/90_2{^{\circ}}]_s$ and $[90_2{^{\circ}}/0_2{^{\circ}}]_s$, stacking conditions, $0^{\circ}$ fibers were splayed to the external by laminar bending, while the $90^{\circ}$ fibers were held between the folds of the aluminum member by laminar bending, local buckling and transverse crack. In the member with $[45_2{^{\circ}}/45_2{^{\circ}}]_s$ stacking conditions, fibers were held between the folds of the aluminum member by local buckling and transverse crack.
Keywords
CFRP; collapse mode; compound square tube; energy absorption mechanism; stacking condition;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
1 M. D. White and N. Jones, "Experimental Quasi-static Axial Crushing of Top-hat and Double-hat Thin-walled Sections", Int. J. Mech. Sci. Vol. 41, Issue 2, pp. 179-208, 1999.   DOI
2 S. I. Song, K. J. Bae, K. H. Lee and G. G. Park, "Light Weight Design for Automotive Door using Optimizations and Design of Experiments", Transactions of KSAE Vol. 10, No. 1, pp. 125-132, 2002.
3 M. Tani and A. Funahashi, "Energy Absorption by the Plastic Deformation of Body Structural Members", Paper 783068 Presented at S.A.E. Annual Meeting, Detroit, February, 1978.
4 C. S. Cha, J. O. Chung, J. W. Park, Y. N. Kim and I. Y. Yang, "Collapse Analysis of Spot Welded Thin Section Members in a Vehicle Body Structure at Various Impact Velocities", KSME International Journal, Vol. 17, No. 4, pp. 501-510, 2003.   DOI
5 Q. Wang, Z. Fan and L. Gui, "Theoretical Analysis for Axial Crushing Behaviour of Aluminium Foam-filled Hat Sections", Int. J. Mech. Sci. Vol. 49, No. 4, pp. 515-521, 2007.   DOI
6 H. Song, Z. Fan, G. Yu, Q. Wang and A. Tobota, "Partition Energy Absorption of Axially Crushed Aluminum Foam-filled hat sections", Int. J. Solids and Structures Vol. 42, Is. 9-10, pp. 2575-2600, 2005.   DOI
7 H. Huh, K. P. Kim, S. H. Kim, J. H. Song and S. K. Hong, "Crashworthiness Assessment of Frond Side Members in an Auto-body Considering the Fabrication Histories", Int. J. Mech. Sci. Vol. 45, Issue 10, pp. 1645-1660, 2003.   DOI
8 B. J. Kim and S. J. Heo, "Collapse Characteristics of Aluminum Extrusions Filled with Structural Foam for Space Frame Vehicles", Inernational Journal of Automotive Technology Vol. 4, No. 3, pp. 141-147, 2003.
9 S. K. Kim, K. H. Im, Y. N. Kim, J. W. Park, I. Y. Yang and T. Adachi, "On the Characteristics of Energy Absorption Control in Thin-walled Members for the use of Vehicular Structures", Key Engineering Materials, Vol. 233-236, pp. 239-244, 2003.   DOI
10 M. D. White and N. Jones, "Experimental Quasi-static Axial Crushing of Top-hat and Double-hat thin-walled Sections", Int. J. Mech. Sci. Vol. 41, Is. 2, pp.179-208, 1999.   DOI
11 K.S. Lee, H, K. Seo, Y. Y. Yang, W. C. Hwang, K. H. Im and I. Y. Yang, "Collapse Behavior Evaluation of Hybrid Thin-walled Member by Stacking Condition", Trans. Nonferrous Met. Soc. China Vol. 21, Supplement 1, pp. s135-s140, 2011.   DOI
12 J. H. Kim, "(A) Study on the Characteristics of the Impact Collapse Mode for the Light-oriented Vehicle Members", Doctorate Thesis, Chosun University, 1997.