Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Hydroforming Process Analysis of Woven Fabric Reinforced Thermoplastic Composites Using Non-orthogonal Constitutive Equations

비직교이방성 조성방정식을 이용한 직물강화 열가소성 복합재료의 액압성형공정 해석

  • 유웅렬 (미시간주립대학교 기계공학과) ;
  • 정관수 (서울대학교 재료공학부) ;
  • ;
  • 강태진 (서울대학교 재료공학부)
  • Published : 2002.08.01
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Abstract

A new constitutive model has been developed based on the homogenization method considering the micrcostructures of composites including both the mechanical and structural properties of fabric reinforcements. In particular, the current model aims to account for the effect of the fiber stiffness difference and orientation on anisotropy and also to simulate shear deformation without significant length change, as common in FRT(fabric reinforced thermoplastics) composite forming. For validation purposes, the model was implemented in an explicit dynamic finite element ocde and tested for pure shear. Using the new constitutive equation, the deformation behavior of woven fabric reinforced thermoplastic composites in hydroforming process was also analyzed.

Keywords

References

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