Acoustic emission approach to quantify damage evolution
Résumé
This paper deals with establishing efficient approach to quantify the physical aspects in composite material degradation, mainly the damage process, its evolution, and the variability due to the heterogeneity of the micro-structure. The proposed study aims to compare results of two approaches used in the macroscopic characterization of the damage initiation under quasi-static loading. The discontinuous glass fibres confer to the material an anisotropic aspect to the overall mechanical behavior. Different glass fibres weight content (30%, 50%) are considered in order to compare with unfilled resin material specimens used as a reference.