Abstract

The objective of this paper is to evaluate the fracture toughness of carbon fibre/epoxy composite with different thickness of carbon fibers. The composites were fabricated using hand layup technique by resin infusion of 200gsm, 400gsm and hybrid carbon fabric lamina. The fracture toughness of composites with carbon hybrid carbon fibers were studied using single edge notched beam method at the room temperature (25 °C). From the experimental results it was found that epoxy composites reinforced with 200gsm carbon fiber better fracture toughness compare to composites reinforced with other fibers. And impact strength of epoxy composites with carbon fibers and hybrid carbon fibers also studied for comparison.

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