Strength Prediction of Bolted Woven Composite Joint Using Characteristic Length

특성 길이를 이용한 평직 복합재 볼트 체결부의 강도 예측

  • Park Seung-Bum (Research Institute of Mechanical Technology, Pusan National University) ;
  • Byun, Joon-Hyung (Composite Materials Group, Korea Institute of Machinery and Materials) ;
  • Ahn, Kook-Chan (Department of Automotive Engineering, RAIRC, Jinju National University)
  • 박승범 (부산대학교 기계기술연구소) ;
  • 변준형 (한국기계연구원 복합재료그룹) ;
  • 안국찬 (진주산업대학교 자동차공학과, RAIRC)
  • Published : 2003.12.01

Abstract

A study on predicting the joint strength of mechanically fastened woven glass/epoxy composite has been performed. An experimental and numerical study were carried out to determine the characteristic length and joint strength of composite joint. The characteristic lengths for tension and compression were determined from the tensile and compressive test with a hole respectively. The characteristic lengths were evaluated by applying the point stress failure criterion to a specimen containing a hole at the center subjected to tensile loading and a specimen containing a half circular notch at the center subjected to compressive load. The joint strength was evaluated by the Tsai-Wu and Yamada-Sun failure criterion on the characteristic curve. The predicted results of the joint strength were compared with experimental results.

Keywords

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