Abstract
In recent years, the utilization of hybrid polymer matrix composite materials in many engineering fields has increased tremendously. The present investigation is devoted on fabric-reinforced hybrid composite laminates with different volume fractions of the constituent materials; epoxy resin, plain-woven glass fabric, and textile satin fabric. Fracture toughness of a material has immense importance in the determination of the resistance of the material to crack propagation. Hence this article explores the findings of the experimentation on the compressive strength and fracture toughness of fabric-reinforced laminates with 0/90 O & ± 45 O orientation with five notch configurations. The fracture toughness has been found to increase continuously with increased volumes of glass fabric and it is less dependent on notch size upto certain limit. Data collected during experimentations are validated using analysis of variance (ANOVA) technique. Percentage contribution of each parameter was evaluated using ANOVA technique with fiber content, orientation and notch size as input parameters, while the output parameter being the OHC strength of the laminate.
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