The effect of fibre volume fraction on the onset of fracture in laminar materials with an array of coplanar interface cracks
Source abstract
Abstract
Abstract The onset of fracture process in a layered composite with coplanar interface cracks under compression along layers is studied within the scope of 3-D theory of stability using the model of piecewise-homogeneous medium. Each layer consists of a matrix reinforced by continuous parallel fibres and is modelled by a compressible, linear elastic, transversely isotropic material. The eigenvalue problem with respect to the controlled parameters, namely, the crack length, the crack spacing and the 0°-plies layer volume fraction is solved for the shear and the extensional modes utilizing the finite element analysis by commercially available FE code. The results are obtained for 0°-plies volume fraction V0° = 0.1 … 0.9 for the typical dispositions of cracks. The effect of the crack length, the crack spacing and the 0°-plies volume fraction on the critical microbuckling strain in the composite was determined.
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Research context
OpenAlex topics: Elasticity and Wave Propagation · Structural mechanics and materials · Material Properties and Failure Mechanisms
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References (28)
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