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International journal of automotive technology v.4 no.3, 2003년, pp.149 - 156   피인용횟수: 9

CRASHWORTHINESS ASSESSMENT OF SIDE IMPACT OF AN AUTO-BODY WITH 60TRIP STEEL FOR SIDE MEMBERS

Huh, H.   (Department of mechanical Engineering, Korea Advanced Institute of Science and Technology, Science TownUU0001375  ); Lim, J.H.   (Department of mechanical Engineering, Korea Advanced Institute of Science and Technology, Science TownUU0001375  ); Song, J.H.   (Department of mechanical Engineering, Korea Advanced Institute of Science and Technology, Science TownUU0001375  ); Lee, K.S.   (Passenger Car Engineering & Research Center, Hyundai Motor CompanyCC0003089  ); Lee, Y.W.   (Passenger Car Engineering & Research Center, Hyundai Motor CompanyCC0003089  ); Han, S.S.   (Automotive Steels Research Center, POSCO  );
  • 초록

    This paper is concerned with the energy absorption efficiency of auto-body side structures for the conventional steel and 60TRIP high strength steel. In order to evaluate the energy absorption efficiency, the dynamic crash analysis is carried out with the regulation of US-SINCAP. The analysis adopts the Johnson-Cook model for the dynamic material properties, which have been obtained from dynamic material tests. For the sake of the dynamic material properties, the analysis has been accurately peformed for the crashworthiness assesment. The analysis result provides deformed shapes, amounts of penetration and accelerations at several important points during crash. The result confirms that 60TRIP greatly improves the crashworthiness of the side members without sacrificing the weight and thus can be used for the light-weight design of an auto-body.


  • 주제어

    Crashworthiness .   Side impact analysis .   TRIP Steel .   Johnson-Cook model.  

  • 참고문헌 (12)

    1. Huh, H., Kang, W. J. and Han, S. S. (2002). A Tension split Hopkinson bar for investigating the dynamic behavior of sheet metals, Experimental Mechanics 42, 1, 8-17 
    2. Ojima, Y., Shiroi, Y., Taniguchi, Y. and Kato, K. (1998). Application to body parts of high-strength steel sheet containing large volume fraction of retained austenite, SAE Paper No. 980954 
    3. Iwamoto, T., Tsuta, T. and Tomita, Y. (1998). Investi-gation on deformation mode dependence of strain-induced martensitic transformation in TRIP steels and modelling of transformation kinetics, Int. J. Mech. Sci. 40, 173-182 
    4. LSTC (1999). LS-DYNA Keyword User's Manual, Nonlinear dynamic analysis of structures, Livermore Software Technology Co., Livermore, Califomia 
    5. Mahadevan, K., Liang, P. and Fekete, J. (2000). Effect of strain rate in full vehicle frontal crash analysis, SAE PaperNo. 2000-01-0625 
    6. Nakanishi, E., Tateno, H., Hishida, Y. and Shibata, K. (1998). New materials technology for achieving both crashworthiness and weight reduction using energy-absorbing steel with higher strain-rate sensitivity, SAE Paper No. 980953 
    7. Kang, W. J. and Huh, H. (2000). Crash analysis of auto-body structures considering the strain-rate hardening effect, Int. J. Automotive Technology 1, 1, 35-41 
    8. Kang, W. J., Cho, S. S., Huh, H. and Chung, D. T. (1999). Modified Johnson-Cook model for vehicle design, Int. J. Vehicle Design 21, 4/5, 424-435 
    9. NHTSA (1990). Final Regulatory Impact Analysis, New requirements for passenger cars to meet a dynamic side impact test, Federal Motor VehicIe Safety Standard (FMVSS) 214, National Highway Traffic Safety Administration, Washington, D. C 
    10. Huh, H. and Kang, W. J. (2002). Crash-worthiness assessment of thin-walled structures with the high-strength steel sheet, Int. J. Vehicle Design 30, 1/2, 121 
    11. Johnson, G. R. and Cook, W. H. (1983). A constitutive model and data for metals subjected to large strains, high strain rates and high temperatures, Proc. of 7th Int. Symposium on Ballistics, Hague, Netherlands, 115-120 
    12. Yoshitake, A., Sato, K. and Hosoya, Y. (1998). A study on improving crashworthiness of automotive parts by using high strength steel sheets, SAE Paper No. 980382 
  • 이 논문을 인용한 문헌 (9)

    1. Kim, Kee-Poong ; Song, Jung-Han ; Huh, Hoon ; Kim, Hyun-Sup ; Hong, Seok-Gil 2004. "Crashworthiness of an Auto-body Member with the Forming Effect" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 12(1): 91~98     
    2. Na Sungyul ; Song Junghan ; Huh Hoon ; Kim Hyunsub 2005. "Design Optimization of Auto-body Members for Crashworthiness Enhancement with the Response Surface Method" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 13(4): 81~89     
    3. Lim, Ji-Ho ; Kim, Seok-Bong ; Kim, Jin-Sung ; Huh, Hoon ; Lim, Jong-Dae ; Park, Sung-Ho 2005. "High Speed Tensile Tests of Steel Sheets for an Auto-body at the Intermediate Strain Rate" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 13(2): 127~134     
    4. Huh, H. ; Yoon, J.H. ; Bao, Y.D. ; Kim, S.H. ; Park, S.H. 2006. "Crash Analysis of the ULSAB-AVC Model with Considering Forming Effects" 소성가공 = Transactions of materials processing : Journal of the Korean society for technology of plastics, 15(8): 556~561     
    5. 2006. "" International journal of automotive technology, 7(5): 571~577     
    6. Yoon, Jong-Heon ; Huh, Hoon ; Kim, Se-Ho ; Kim, Hong-Kee ; Park, Seung-Ho 2006. "Comparative Crashworthiness Assessment of the ULSAB-AVC Model with Advance High Strength Steel and with Low Strength Steel" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 14(3): 22~27     
    7. Bae, Gi-Hyun ; Huh, Hoon ; Song, Jung-Han ; Kim, Se-Ho 2006. "Light-weight Design with a Simplified Center-pillar Model for Improved Crashworthiness" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 14(6): 112~119     
    8. Kim, Kee-Poong ; Kim, Se-Ho 2009. "Optimization of Frontal Crashworthiness for the Weight Reduction Design of an Auto-body Member with the Advanced High Strength Steels" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 17(2): 104~111     
    9. 2009. "" International journal of automotive technology, 10(2): 195~204     

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