Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Evaluation of Residual Strength Under Impact Damage in Woven CFRP Composites

평직 CFRP 복합재료의 충격잔류강도 평가

  • Choi, Jung-Hun (Durability & Reliability Team, Hyundai & Kia Corporate R&D Division) ;
  • Kang, Min-Sung (Design Analysis Team, NEXEN Tire Corporate R&D Center) ;
  • Koo, Jae-Mean (Department of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Seok, Chang-Sung (Department of Mechanical Engineering, Sungkyunkwan Univ.)
  • 최정훈 (현대기아자동차 기술연구소 내구신뢰성팀) ;
  • 강민성 (넥센타이어(주) 연구개발본부 설계해석팀) ;
  • 구재민 (성균관대학교 기계공학부) ;
  • 석창성 (성균관대학교 기계공학부)
  • Received : 2011.12.26
  • Accepted : 2012.02.13
  • Published : 2012.06.01
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Abstract

Damage induced by low velocity impact loading in aircraft composite is the form of failure which is frequently occurred in aircraft. As the consequences of impact loading in composite laminates, matrix cracking, delamination and eventually fiber breakage for higher impact energies can be occurred. Even when no visible impact damage is observed, damage can exist inside of composite laminates and carrying load of the composite laminates is considerably reduced. The objective of this study is to evaluate and predict residual strength behavior of composite laminates by impact loading and for this, tensile test after impact was carried out on composite laminates made of woven CFRP.

Keywords

References

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Cited by

  1. Evaluation of Compressive Residual Strength in Composite Material Under Impact Damage vol.37, pp.4, 2013, https://doi.org/10.3795/KSME-A.2013.37.4.503