Abstract
The problem of edge cracks in an infinite strip of laminated cross-ply materials is considered. Using a singular integral equation formulation and the Gauss-Chebyshev collocation technique, the stress intensity around the cracks is determined as a function of crack length-to-ply thickness ratio and lamina thickness ratio. In addition, the interlaminar shear and maximum cleavage stress in the uncracked layer are determined.
Résumé
On considère le problème des fissures de bord dans une bande infinite en matériau contreplaqué. On détermine l'intensité des contraintes au voisinage de ces fissures en fonction des rapports de leur longueur à l'épaisseur de contreplaqué, d'une part, et á l'épaisseur des lamelles d'autre part, en utilisant une formulation d'intégrale singulière et la technique de collocation de Gauss-Chebyshev. En outre, on détermine dans la couche non fissurée la contrainte de cisaillement intercouches et la contrainte maximum de clivage.
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Ryan, R.L., Mall, S. Edge cracks in a laminated cross-ply strip. Int J Fract 40, 127–141 (1989). https://doi.org/10.1007/BF00963971
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DOI: https://doi.org/10.1007/BF00963971