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Abstract

The prediction of nominal strength is very important in the design and evaluation of materials especially polymer matrix composites. Various cohesive laws forms are successfully used in predicting the nominal strength of laminated composite structures. For composite structures, fracture toughness is dominated parameter when using cohesive laws to predict their nominal strength. In spite of complex reported models, this study propose an easy simple model to predict the fracture toughness of multidirectional composite laminates using the fracture toughness of the 0° ply ones. This model is mainly based on the geometry of fiber orientation and linear elastic fracture mechanics and uses the fracture toughness of the 0° ply obtained from compact tension test specimens. A good prediction is obtained by comparing the model results with experimental data which are obtained from center‐cracked specimens manufactured using different lay‐ups orientations and materials. POLYM. ENG. SCI., 2013. © 2013 Society of Plastics Engineers

Autoren:   Y. Mohammed, Mohamed K. Hassan, A.M. Hashem
Journal:   Polymer Engineering and Science
Jahrgang:   2013
Seiten:   n/a
DOI:   10.1002/pen.23552
Erscheinungsdatum:   05.04.2013

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