Abstract
In this paper, the evaluation of fracture toughness for hybrid fiber reinforced laminated composites was assessed for mixed mode fracture specimens of (CTS) compact tension shear. For investigational work, with and without flyash bi-directional composites specimens of 9 mm thick were prepared by hand layup process. Further different loading angles were considered stating from 0° and increased to 90° with an increment of 15°. Experimentation was carried out on peak load and loading angle for the determination of fracture toughness. The results revealed that the fracture toughness of without flyash specimens was 1.17 times lesser than with flyash specimens.
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