Effect of Glass Fiber Hybridization on the Behavior Under Impact of Woven

ABSTRACT: The low-velocity impact behavior was studied in hybrid laminates manufactured by RTM with woven carbón and glass (S2) fabrics. Specimens with different thicknesses and glass fiber content (from 0 to 21 vol. %) were tested with impact energies in the range 30—245 J and the resulting deformation and fracture micromechanisms were studied using X-ray microtomography. The results of these analyses, together with those of the impact tests (máximum load and energy absorbed), were used to elucídate the role played by glass fiber hybridization on the fracture micromechanisms and on the overall lamínate performance under low-velocity impact. KEY WORDS: impact behavior, hybrid composites, fracture micromechanisms, X-ray microtomography