Design and Optimization of Agro-residue Fiber-Reinforced Composite Panels for Sustainable Grain Storage 


Vol. 26,  No. 11, pp. 5023-5038, Nov.  2025
10.1007/s12221-025-01114-9


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  Abstract

This research work investigates the design optimization and mechanical evaluation of eco-efficient epoxy composites reinforced with agro-residue fibers—paddy straw, bagasse, mustard husk, and wood sawdust—for use in grain storage applications. A total of 36 specimens were fabricated with residue-to-epoxy ratios (RER) varying between 1.2 and 1.4, incorporating 100 g silica filler and 100 ml HY‑951 hardener. Mechanical characterization, following ASTM standards, included tensile, compressive, flexural, impact, and hardness testing, supported by a Kline–McClintock uncertainty analysis (± 1.0–1.5%) and regression modeling (R2 > 99.7%). The paddy straw composite (T6) achieved peak performance: 33 MPa tensile strength, 31 MPa compressive strength, 43 MPa flexural strength, 0.5 MJ/m3 toughness, and 9.5 BHN hardness—outperforming bagasse by 17% in tensile strength and mustard stalk by 19.6% in flexural modulus. Wood sawdust composites showed the lowest performance due to weak bonding. All results fell within a ± 10% error band, confirming reproducibility. The findings demonstrate that paddy straw composites are robust, cost-effective, and sustainable alternatives to conventional materials. Future efforts will focus on enhancing environmental durability, fire and pest resistance, and scaling via real-world prototyping.

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  Cite this article

[IEEE Style]

D. K. Mishra, B. R. Singh, S. Kumar, V. K. Sharma, N. Singh, "Design and Optimization of Agro-residue Fiber-Reinforced Composite Panels for Sustainable Grain Storage," Fibers and Polymers, vol. 26, no. 11, pp. 5023-5038, 2025. DOI: 10.1007/s12221-025-01114-9.

[ACM Style]

Deepak Kumar Mishra, B. R. Singh, Sushant Kumar, Vineet Kumar Sharma, and Nishant Singh. 2025. Design and Optimization of Agro-residue Fiber-Reinforced Composite Panels for Sustainable Grain Storage. Fibers and Polymers, 26, 11, (2025), 5023-5038. DOI: 10.1007/s12221-025-01114-9.

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