Numerical model for large-scale properties of composites

VilhoI. Räisänen and HansJ. Herrmann

Physica A: Statistical Mechanics and its Applications, 1999, vol. 262, issue 3, 264-279

Abstract: We present a numerical model for the study of mechanical properties of short-fibre reinforced elastic composites with adjustable coupling between fibres and the matrix. In the model, the background matrix is described on a coarse-grained level, which allows one to study the effect of fibrous structure on fracture properties of the material. The adjustable coupling in the fibre/matrix interface, on the other hand, allows one to simulate the effect of Coulomb-friction-like stress transfer mechanisms, an important aspect of many modern composite materials. We test the model by comparing bundle-like fibre placement with a homogeneous and isotropic one. Using these systems, we deduce the relative effectiveness of stress transfer from macroscopic characteristics of a material.

Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:262:y:1999:i:3:p:264-279

DOI: 10.1016/S0378-4371(98)00415-4

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