Abstract
Because of its ample availability as biowaste, pineapple leaf fiber (PALF) has been utilized to manufacture the body parts of the automobiles. The present investigation aims at improving the strength and damping performance of PALF by hybridizing the PALF with a human-made natural fiber known as basalt fiber, developing a cross-ply composite, and analyzing the impact of laminate angle and frequency on damping properties of the composite using a dynamic mechanical analyzer. For this, the epoxy-based basalt/PALF hybrid cross-ply composite laminate was fabricated using hand layup method and subsequently cured by compression at room temperature, and the test specimen was prepared for 0°, 30°, 45°, 60°, and 90° laminate orientations. Results evidenced that the damping properties were affected by ply orientation and frequency as well. The highest storage modulus and lowest storage modulus were registered for the laminates of configuration [2B0/2P90/2B0] and [2B45/2P−45/2B45], respectively, whereas maximum and minimum tanδ peaks were recorded for configuration [2B90/2P0/2B90] and [2B0/2P90/2B0], respectively. The maximum variation in the glass transition temperature was observed as ~ 3 °C.
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