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Interlaminar Fracture Toughness of Hybrid Composites Inserted with Different Kinds of Non-Woven Tissues : Part I-Mode I

종류가 다른 부직포가 삽입된 하이브리드 복합재료의 층간파괴인성 : Part I-Mode I

  • Jeong, Jong-Seol (Graduate School of NID Fusion Technology, Seoul Nat'l Univ. of Science and Technology) ;
  • Cheong, Seong-Kyun (Dept. of Mechanical and Automotive Engineering, Seoul Nat'l Univ. of Science and Technology)
  • 정종설 (서울과학기술대학교 NID 융합기술대학원) ;
  • 정성균 (서울과학기술대학교 기계.자동차공학과)
  • Received : 2012.09.03
  • Accepted : 2012.12.24
  • Published : 2013.04.01

Abstract

In this study, the interlaminar fracture toughness in mode I of a hybrid composite inserted with different types of non-woven tissues was determined. The interlaminar fracture toughness in mode I is obtained by a double cantilever beam test. The experiment is performed using three types of non-woven tissues: 8 $g/m^2$ of carbon tissue, 10 $g/m^2$ of glass tissue, and 8 $g/m^2$ of polyester tissue. Considering a specimen with no non-woven tissue as a reference, the interlaminar fracture toughness in mode I of specimens inserted with non-woven carbon and glass tissues decreases by as much as 6.3% and 11.4%, respectively. However, the fracture toughness of a hybrid composite specimen inserted with non-woven polyester tissue increases by as much as 69.4%. It is considered that the specimen inserted with non-woven polyester tissue becomes cheaper, and lighter, and the value of the fracture toughness becomes much greater than that of the non-woven carbon tissue.

Keywords

CFRP(Carbon Fiber Reinforced Plastic);Hybrid Composite;NWT(Non-woven Tissue);Non-woven Carbon Tissue;Non-Woven Glass Tissue;Non-woven Polyester Tissue;Mode I;Interlaminar Fracture Toughness

Acknowledgement

Supported by : 서울과학기술대학교

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