Abstract
This paper presents an experimental study of the effect of mesoscopic buckles defect and shear deformation of the reinforcement, which result from shaping, on the low velocity impact behavior of a composite laminate. The material studied is a glass/polyester composite with three layers of mat and one layer of taffeta fabric. To assess the properties induced on the final composite, plates with calibrated defects and deformations were manufactured. Results of the impact tests and observations performed on the materials with calibrated defects identified a negative effect of buckling on elastic parameters and revealed greater damage relative to the healthy material. The reinforcement shear had a beneficial effect on the impact properties of the laminate, which was attributed to the increase in local fiber density.
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Kacimi, B., Teklal, F., Djebbar, A. (2020). Effect of Reinforcement Shear and Buckles Defects on the Low Velocity Impact Behavior of a Composite. In: Safi, B., Daoui, A., Mechakra, H., Ghernouti, Y. (eds) Proceedings of the 4th International Symposium on Materials and Sustainable Development. ISMSD 2019. Springer, Cham. https://doi.org/10.1007/978-3-030-43211-9_12
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DOI: https://doi.org/10.1007/978-3-030-43211-9_12
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