Abstract
ABSTRACTOf the numerous special properties of natural fiber composites, light weight and biodegradability are the most attractive. Also, natural fiber reinforced composites have sufficiently good mechanical properties. In the present research investigation, the mechanical properties of the natural fiber (nettle and grewia optiva fiber) reinforced thermoset and thermoplastic composites have been evaluated and compared. The morphological analysis of the fractured test specimens subjected to different types of mechanical loading has also been performed using scanning electron microscopy (SEM). Critical parameters, such as contact angle of polymers, surface roughness of the natural fibers, and twist angle of the natural fiber yarn have been evaluated in order to emphasize their importance in defining the mechanical behavior of the developed composite laminates. The results reveal that poly-lactic acid (PLA)-based natural fiber composites have superior mechanical properties as compared to the polypropylene (PP)- and epoxy-based natural fiber composites.
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