Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Initial Crack Length Effect for the Interlaminar Mode I Energy Release Rate on a Laminated UHMWPE/CFRP Hybrid Composite

UHMWPE/CFRP 적층하이브리드 복합재의 층간 Mode I 에너지해방율에 미치는 초기균열길이의 영향

  • Song, Sang Min (Department of Safety Engineering, Pukyong National University) ;
  • Kang, Ji Woong (Faculty of Health Science, Daegu Haany University) ;
  • Kwon, Oh Heon (Department of Safety Engineering, Pukyong National University)
  • 송상민 (부경대학교 안전공학과) ;
  • 강지웅 (대구한의대학교 보건학부) ;
  • 권오헌 (부경대학교 안전공학과)
  • Received : 2019.03.04
  • Accepted : 2019.05.24
  • Published : 2019.06.30
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Abstract

A variety of composite materials are applied to industries for the realization of light weight and high strength. Fiber-reinforced composites have different strength and range of application depending on the weaving method. The mechanical performance of CFRP(Carbon Fiber Reinforced Plastic) in many areas has already been demonstrated. Recently, the application of hybridization has been increasing in order to give a compensation for brittleness of CFRP. Target materials are UHMWPE (Ultra High Molecular Weight Polyethylene), which has excellent cutting and chemical resistance, so it is applied not only to industrial safety products but also to places that lining performance is expected for household appliances. In this study, the CFRP and UHMWPE of plain weave, which are highly applicable to curved products, were molded into laminated hybrid composite materials by autoclave method. The mechanical properties and the mode I failure behavior between the layers were evaluated. The energy release rate G has decreased as the initial crack length ratio increased.

Keywords

References

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