On the transverse cracking and stiffness degradation of aged angle-ply laminates |
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| Affiliation: | 1. Laboratoire des Matériaux et Hydrologie, Université de Sidi Bel Abbes, BP 89 Cité Ben Mʼhidi 22000 Sidi Bel Abbes, Algeria;2. Université de Sidi Bel Abbes, Département de physique, BP 89 Cité Ben M’hidi 22000 Sidi Bel Abbes, Algeria;1. “Transilvania” University of Brasov, Materials Engineering and Welding Department, Eroilor 29 Str., 500036 Brasov, Romania;2. “Transilvania” University of Brasov, Product Design Environment and Mechatronics Department, Eroilor 29 Str., 500036 Brasov, Romania;1. Laboratoire Navier, Université Paris-Est, ENPC, IFSTTAR, CNRS, 77455 Marne-la-Vallée Cedex, France;2. Département Mécanique des Matériaux et des Composants, EDF R&D, Site des Renardières, Avenue des Renardières, 77818 Moret-Sur-Loing Cedex, France;1. Department of Basic Sciences, University of Engineering and Technology, Peshawar, Pakistan;2. Department of Mathematics, University of Peshawar, Pakistan;1. Laboratory of Applied Mathematics, Biskra University, PO. Box 145, Biskra 07000, Algeria;2. Department of Mathematics, University of Bourdj bou Arreridj, 34000 Algeria;3. Graduate School of Science and Technology, Tokai University 9-1-1, Toroku, Kumamoto 862-8652, Japan |
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| Abstract: | ![]()
A modified shear lag analysis, taking into account the concept of stress perturbation function, is employed to evaluate the effect of transverse cracks on the stiffness reduction in aged angle-ply laminated composites. The results of this paper represent well the dependence of the degradation of elastic properties on the cracks density, hygrothermal conditions and the fibre orientation of the outer layers. |
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