Abstract
In this research, 0.1, 0.25 and 0.5 wt% MFC aqueous suspensions were used to impregnate carbon fiber fabrics via aspersion and immersion routes to build a cost-effective hierarchical polymer matrix composite laminates with enhanced load carrying capacity. Mechanical performance improvements of 28 and 21% were obtained in terms of ultimate tensile strength for 0.1 wt% MFC suspension via aspersion and immersion routes, respectively. The same impregnation conditions provided increments in tensile toughness of 52 and 31%, respectively, showing the positive role of the nanostructure as a strong interfacial agent. MFC solution aspersion was determined as the best impregnation procedure towards strengthening and toughening of the final product.
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