The study of elastic energy in composite materials with fiber bundle model

Abstract Recently, the aim of different researches is to study breakdown mechanisms of composite materials. By consequence, our research is established by using the fiber bundle model (FBM), in the frame of local load sharing mode (LLS), in which we have used an exclusive parameter taking into account the influence of the matrix-fiber interaction, and it is precisely the idea that spots the originality of our work. The failure process is controlled by different parameters. In our paper, we study the elastic energy due to the rupture of composite materials subjected to tensile forces. Moreover, the achieved results presented the strength of the composite materials by dint of the effects of the matrix-fiber interaction. However, this interaction slows the breakdown mechanisms; it subdivides the avalanche phenomenon on two successive regimes separated by delaying duration. These founded results are more similar to the ones obtained by the regular fibers substitution process. Therefore any fiber have its own elongation, the mean fiber elongation creates an elastic energy. The temporal variation of these latter presents two extremum separated by time duration; at this separated period, the material self-rearranging.