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Effective Longitudinal Shear Modulus of Continuous Fiber-Reinforced 2-Phase Composites
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 Title & Authors
Effective Longitudinal Shear Modulus of Continuous Fiber-Reinforced 2-Phase Composites
Lee, Dong-Ju; Jeong, Tae-Hyeon;
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 Abstract
Longitudinal shear modulus of continuous fiber reinforced 2-phase composites is predicted by theoretical and numerical analysis methods. In this paper, circular, hexagonal and rectangular shapes of reinforced fiber are considered using unit cell concept. And fiber array is regular rectangular and hexagonal fiber arrangement. Longitudinal shear modulus is a function of fiber distribution pattern and fiber volume change. It is found that the rectangular array has a higher longitudinal shear modulus than the hexagonal one. Also, the rectangular fiber shape in lower fiber volume fraction and the circular fiber shape in higher fiber volume fraction show the higher longitudinal shear modulus. And it has been found that the theoretical and numerical predictions of the longitudinal shear modulus give a good agreement with the experimental data at lower fiber volume fraction. Both the distance and stress transfer between the fibers are discussed as the major determing factors.
 Keywords
Longitudinal Shear Modulus;2-Phase Composites;Unit Cell;Fiber Array;Fiber Shape;
 Language
Korean
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