Abstract
Multi-Walled Carbon Nanotubes produced by arc discharging of pure graphite rods was mixed in complete matrix system in order to fabricate eight-layer quasi-isotropic glass fiber/ MWCNTs/ epoxy hybrid laminate. The effect of nano-reinforcement on interlaminar shear strength (ILSS) of GFRP composite was assessed by varying the amount of nanoparticles in the epoxy i.e. 0, 0.5, 1.0, 1.5 and 2 wt.% respectively and conducting 3-point bend tests on short beams extracted from the laminates manufactured by vacuum assisted hand layup method. It was observed that when compared to neat epoxy laminate, laminates with MWCNTs showed enhanced interlaminar strength of 14 to 41%. As nanotubes produced from arc discharge are stiffer and straighter, their presence in the matrix system can be credited with such results. Also, in-depth property improvement can be attributed to the formation of the matrix-MWCNTs rich region in between the plies.
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