The shear modulus in the fiber direction of unidirectional fiber composites based on the concept of mesophase |
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Authors: | P S Theocaris A G Varias |
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Institution: | (1) Department of Engineering Sciences, Athens National Technical University, P.O. Box 77230, GR-17510 Athens, Greece |
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Abstract: | A new and accurate relationship for the shear modulus in the fiber direction of unidirectional fiber composites is derived, based on the Kerner model concepts but not using its approximate relationships. Furthermore, this model is extended by taking into account the mesophase between the fiber and the matrix accomodating smoothly the mechanical properties between neighbouring phases. The introduction of the mesophase results in an improvement of the theoretical predictions, which now approach close to experimental values for the moduli of different fibrous composites. |
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Keywords: | Shear modulus fiber composite mesophase |
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