Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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Finite thickness and tow phase shift effects on the mechanical behavior of plain weave textile composites

두께와 위상각의 변화가 평직복합재료 미세구조의 거동에 미치는 영향

  • 우경식 (충북대학교 구조시스템공학과)
  • Published : 2000.02.01
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Abstract

In this paper, finite thickness and tow phase effects on the mechanical behavior were studied numerically for plain weave textile composites. Unit cell analysis based on a superposition method was employed to simulate uniaxial tensile loading condition and macro-element post-processor was used to reduce computer resource requirement. The effective moduli and micro-stress distribution were calculated for finite thick plain weave composites with phase shifts. Single layer and infinitely thick configurations were also considered for comparison.

평직복합재료에 있어서 두께와 적층 위상각의 변화가 기계적 거동에 미치는 영향을 수치적으로 연구하였다. 일축인장하중은 중첩법에 의한 단위구조해석에 의하여 모사되었으며 효율적인 계산을 위하여 마크로 요소 후처리기법이 사용되었다. 인접한 층간 위상각을 가지며 적층된 유한두께 평직복합재료 단위구조에 대하여 등가탄성계수를 구하였으며 단위구조를 구성하는 섬유다발 미세구조의 상세응력 분포를 계산하였다. 단일층 및 무한두께 적층형상에 대해서도 계산이 수행되었으며 그 결과가 상호 비교되었다.

Keywords

References

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