This study is aimed to investigate the fatigue behavior of the Kevlar composites reinforced epoxy infused with Graphene nanoparticles. Most of the engineering components used in defense, aerospace, biomedical, automobile industries, military appliances, and in high mechanization like Formula One Racing car, uses aramid fiber as the main component in their structural design due to them being heated resistive, strong high-performance fibers. However, Kevlar has low compressive strength and other cons thereby limiting its mechanical and electrical behavior. In this study, kevlar-49 and graphene nanoparticle-infused epoxy are sandwiched together using the technique of vacuum resin infusion. Graphene, Graphite, Carbon Nanotube, etc., the visual appearance is indifferent, and often leads to the misconception, hence Raman Spectroscopy was comprehensively done as it's an efficient method to prove the above-stated Nanoparticle in a nondestructive format. The fatigue test was conducted at a constant stress amplitude with a frequency of 10 Hz, in accordance with ASTM D3479. The fatigue limit was read at a million cycles (1005498 cycles). The visual view of the fatigue experiment has shown the damage propagation of these developed composites which is started by matrix cracking and followed by fiber breakage and delamination between Kevlar fiber layers once the developed composite reaches the failure point. Thus, this development of Nanoparticle reinforced composite shows good agreement findings and has high potential to replace or reduce the usage of general synthetics fiber.
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