Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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Fabrication and Evaluation of Composite Panel with L-shaped Stiffeners

L-형 보강재를 가진 복합재 패널의 제작과 평가

  • 윤종화 (경상대학교 항공특성화대학원 항공우주공학과) ;
  • 최진호 (경상대학교 기계공학부 항공기부품기술연구소) ;
  • 권진회 (경상대학교 항공우주공학과 항공기부품기술연구소)
  • Received : 2012.12.05
  • Accepted : 2013.04.15
  • Published : 2013.04.30
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Abstract

The design of composite joint is important research area because they are often the weakest areas in composite structures. In this paper, the specimens with three paste thickness (0.2 mm, 0.6 mm, 4 mm) were manufactured in secondary bonding method and tested in two different loading direction condition. Also, the failure index of the L-type stiffener was calculated by the finite element method and compared with experimental results.

복합재 구조물에서 체결부위는 매우 취약한 부분이므로 복합재료 체결부에 대한 설계는 중요한 연구분야로 대두되고 있다. 본 논문에서는 L-형 보강구조를 가진 복합재 구조를 이차접착의 공법으로 제작하여 하중 방향을 달리하여, 접착두께(0.2 mm, 0.6 mm, 4 mm)에 따른 접착강도 실험을 수행하였다. 또한 이를 유한요소해석을 수행하여 파손지수값을 실험값과 상호 비교하였다.

Keywords

References

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