Transactions of the Korean Society of Machine Tool Engineers (한국공작기계학회논문집)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Characteristics of Low Velocity Impact Responses due to Interface Number and Stacking Sequences of CFRP Composite Plates

CFRP 복합적층판의 적층배향.계면수에 따른 저속충격특성

  • 임광희 (우석대학교 반도체전기자동차공학부) ;
  • 박노식 (조선대학교 대학원 기계설계공학과) ;
  • 나승우 (조선대학교 대학원 기계설계공학과) ;
  • 김영남 (조선대학교 대학원 기계설계공학과) ;
  • 이현 (조선대학교 수송기계부품 공장자동화연구센터) ;
  • 심재기 (조선대학교 기계공학부) ;
  • 양민영 (조선대학교 기계공학부)
  • Published : 2001.12.01
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Abstract

In this paper, this study aims at the evaluation on the characteristics of CFRP laminate plates using a falling weight impact tester. The experiment was conducted on several laminates of different orientation. A system was built far measur- ing the impact strength of CFRP laminates in consideration of stress wave propagation theory using a falling weight impact tester. Delamination areas of impacted specimens for the different ply orientation were measured with ultrasonic C- scanner to find correlation between impact energy and delamination area. Absorbed energy of quasi-isotropic specimen having flour interfaces was higher than that of orthotropic laminates with two interfaces. The more interfaces, the greater the energy absorbed. The absorbed energy oft hybrid specimen containing a GFRP layer was higher than that of normal specimens.

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References

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