0000-0002-3435-7329
Abstract
In this work the finite element method (FEM) was used to analyze the mechanical behavior of the composite materials subjected to the mechanical loading. This behavior is studied in terms of stress intensity factor variation as a function of the applied stress intensity. The residual stresses induced in the composites, during the elaboration of these composites are taken into consideration in this study. The superimposition of these types of stresses (residuals and commissioning) is simulated here by thermomechanical stresses. The results obtained show that in the vicinity very close to the fiber-matrix interface and under the effect of this loading type, the matrix cracks propagate in modes I, II and III, and far from the interface, in mode I. The propagation kinetics is slowed down by the interface-crack interaction.
The effects of the crack size, the orientation and propagation of the crack, commissioning stresses, the elaboration temperature, fiber physical properties, matrix stiffness and thermomechanical stresses have been highlighted in this work.
Keywords
Article history
- ReceivedUntil the next stage: 52 days
- Revision requestedUntil the next stage: 16 days
- RevisedUntil the next stage: 0 days
- AcceptedUntil the next stage: 42 days
- Published
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Copyright © 2020 Baghdadi Mohammed, Zaoui Zaoui Bouchra, Boualem Serier, Mohammed Belhouari.
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