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http://dx.doi.org/10.3744/SNAK.2003.40.6.049

Interlaminar Stress Analysis of the Mechanical Joint of the Composite Materials  

안용택 (한국선급 선체기술부)
송관형 (충남대학교 선박해양공학과)
Publication Information
Journal of the Society of Naval Architects of Korea / v.40, no.6, 2003 , pp. 49-57 More about this Journal
Abstract
This method surely needs a hole that causes local strength and stiffness deterioration of the structure because of stress intensity. In this work, three dimensional stress analysis of pin-loaded joint for quasi-isotropic composite laminates was performed using commercial finite element software. Stress distribution was calculated near the edge of the pin-leaded hole and effects of the stacking sequence on the delamination were investigated. Also, the delamination strength of the composite laminates was predicted using the Ye-delamination failure criterion and compared with the experimental results. finally, newly modified failure criterion has been suggested owing to the consideration of effects of interlaminar normal stress on the delamination strength.
Keywords
Delamination; Delamination strength; Composite material; Mechanical joint;
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