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Flexural and Vibration Response Analysis of Cenosphere Filled Natural Fiber Hybrid Composites

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Abstract:

The acoustic and performance characteristics of natural fiber amalgam-more especially, Luffa cylindrica fiber-reinforced polymer matrix composites (PMCs) filled with dissimilar proportions of cenosphere are examined in this study. Employing the Parametric Design Language (APDL) of ANSYS simulation modelling and experimental testing, the study intends to investigate the flexural and free vibration responses of these composites. Tensile strength, flexural strength, and acoustic absorption tests were performed on four distinct composite samples that contained 0%, 5%, 10%, and 15% (C-01, C-02, C03, C-04) cenosphere filler. Results showed that the composite's stiffness and load-bearing capacity were enhanced by 10% cenosphere-filled composite with highest flexural strength, modulus, and inter-laminar shear strength (ILSS). The composite's potential for noise-reduction applications was highlighted by acoustic testing, which showed substantial sound absorption at higher frequencies. Parametric studies revealed considerable changes in mechanical responses based on differences in thickness ratio, aspect ratio, and boundary conditions. Simulation models of experimental data demonstrated close agreement with the results. The created composite offers a lightweight, affordable, and environmentally friendly substitute for conventional materials and has potential for real-world uses in sectors like soundproofing, automobile, aircraft, and construction. The study comes to the conclusion that Luffa fiber composites packed with cenosphere are ideal for the development of sustainable materials.

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Periodical:

Materials Science Forum (Volume 1171)

Pages:

37-48

DOI:

https://doi.org/10.4028/p-k0dgJY

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Online since:

December 2025

Authors:

Sushmita Dash, B. Kumar Bishwa Darshan, Pradeep Kumar Jena*, Bhabani Prasanna Pattanaik, Subhakanta Nayak, Trupti Ranjan Mahapatra, Mayuri Kumari

Keywords:

ANSYS, Cenosphere, FEM, Luffa Fiber, Mechanical Characterization

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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