Abstract

Natural fiber reinforced composite materials attracts attentions because of a present global environment problem. Continuous natural fiber reinforced thermoplastic composites have superior mechanical property and have often been expected as structural materials. However, it is difficult to impregnate reinforcing fiber yarns with thermoplastics because of high viscosity of molten plastics. In this study, continuous fiber reinforced thermoplastic composites were obtained using intermediate materials fabricated through the Micro-Braiding technique. In this study, hemp and poly (lactic acid) (PLA) fibers were used as reinforcement and matrix, respectively. Composite plates were fabricated by hot press molding under various molding conditions, including molding temperature, pressure and time Evaluations of mechanical properties were conducted. The correlation between interfacial strength and shear strength of hemp fiber/PLA composite was obtained. It is good correlation between interfacial strength and shear strength.

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