Abstract
The present work investigates the influence of intermixing duo-fiber reinforcement on the tensile and impact properties of the epoxy composite. Three different methods were employed while reinforcing the epoxy matrix, namely flax–kenaf alternate yarn polymer composite (FKAYPC), flax–kenaf twisted yarn polymer composite (FKTYPC), and flax–kenaf mixed fiber yarn polymer composite (FKMFPC) reinforcement. The epoxy composite was loaded with 40% wt. fraction of reinforcement of which 20% wt. for each fiber. The surface of the fibers was modified by performing the physical treatment, heat treatment, and alkali treatment followed by coating it with a Silane coupling agent. FTIR spectroscopy was conducted to conclude about the functional group of fiber, post-alkali treatment, and silane coating compared to untreated fiber. The fiber epoxy composites were then prepared using the hand layup technique. Tensile and impact strength of the composite was examined as follows: thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). Statistical analysis of experimental findings and analysis of variance (ANOVA) reveal that alternate yarn polymer composite has superior performance against tensile loading possessing a tensile strength of 76 MPa followed by 63 MPa for mixed fiber yarn, and lastly twisted yarn shows the least magnitude of 50 MPa, while the magnitudes of impact strength were equal for alternate and twisted yarn showing a value of 20 kJ/m2 than 15 kJ/m2 in the case of mixed yarn composite.
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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by SM and VP. The first draft of the manuscript was written by Shashank Mishra and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Mishra, S., Parashar, V. Experimental analysis of duo-fiber interaction on the tensile strength of surface-modified flax–kenaf-reinforced epoxy composite. Polym. Bull. 80, 13159–13179 (2023). https://doi.org/10.1007/s00289-023-04708-6
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DOI: https://doi.org/10.1007/s00289-023-04708-6