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Strength of Glass/Epoxy Fabric Joints under the Pin-Loading  

박노희 (경상대학교 대학원 항공공학과)
권진희 (경상대학교 수송기계공학부, 항공기부품기술연구센터)
김종훈 (한국기계연구원)
변준형 (한국기계연구원)
양승운 (한국항공우주산업(주))
Publication Information
Composites Research / v.15, no.2, 2002 , pp. 1-10 More about this Journal
Abstract
The strength of glass/epoxy fabric joints under pin-loading is estimated based on the characteristics length method and experiment. To investigate the effect of finite element idealization for the contact between pin and laminate, three modeling cases are analyzed; assuming the cosine load distribution around the contact area, constraining the radial displacement at the hole boundary, and using the contact element. To study the effect of failure criteria, Tsai-Wu and Yamada-Sun methods are applied on the characteristic curve. The results of the nonlinear analysis using the contact element showed good agrements with experimental data in both laminates made of uni-directional prepreg tapes and fabrics. In terms of failure criteria, Tsai-Wu method showed better agreement with experimental results than the one by Yamada-Sun laminate.
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Times Cited By KSCI : 3  (Citation Analysis)
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