Synthesis of Porous Biocarbon from Artocarpus hirsutus Husks and Its Microwave Shielding Effect on Agave Fiber-Reinforced Vinyl Ester Composite at High-Frequency Bands 


Vol. 26,  No. 3, pp. 1297-1317, Mar.  2025
10.1007/s12221-024-00832-w


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  Abstract

The emerging technological development toward sustainable development encourages research scholars, academicians to provide newer innovation in material science. Since, the synthetic materials create large number of solid wastes leading to pollution, thus, sustainable composites are developed to resolve this issue. Due to the natural materials present in the composites, it is used in various applications. Therefore, the present research study aims to evaluate the performance of Artocarpus hirsutus husks extracted porous biocarbon and agave natural fiber-reinforced vinyl ester composite and its tensile, flexural, impact, hardness, EMI shielding, dielectric, thermal conductivity, and water contact angle properties. The composite material prepared using hand layup technique and its performance are evaluated as per ASTM standard provision. The composite material is developed by reinforcing varying concentration of fiber (40 vol.%) and porous biocarbon particles (1, 2, 4 vol.%) reinforced composite of A, B, C, D, and E. Based on obtained result conclusion, it is evident that composite specimen D, containing 40 vol.% agave fiber and 2 vol.% porous biocarbon particles, demonstrates superior overall performance, such as highest tensile strength at 151 MPa and the highest flexural strength at 172 MPa. This improved performance is due to the well-dispersed porous biocarbon particles and the effective load transfer between the fiber and matrix. In terms of EMI shielding, specimen D achieves the highest total shielding effectiveness of 68.25 dB at 18 GHz, with excellent absorption and reflection. According to ANOVA, the results are statically significance too. Because of such improved mechanical, shielding effectiveness properties, it is applied in areas where EMI shielding is necessary such as electric and electronic gadgets, navigation signals, satellite communications, and smart devices.

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  Cite this article

[IEEE Style]

R. Balasubramanian, N. Khare, V. S. Mann, A. G. M. D. Gandhi, S. A. Masih, N. Nagarajan, K. N. Suresh, P. G. Rao, "Synthesis of Porous Biocarbon from Artocarpus hirsutus Husks and Its Microwave Shielding Effect on Agave Fiber-Reinforced Vinyl Ester Composite at High-Frequency Bands," Fibers and Polymers, vol. 26, no. 3, pp. 1297-1317, 2025. DOI: 10.1007/s12221-024-00832-w.

[ACM Style]

Rajagopal Balasubramanian, Neeraj Khare, Vikasdeep Singh Mann, A. G. Mohan Das Gandhi, Sam A. Masih, Nagabhooshanam Nagarajan, K. Naga Suresh, and P. Gangadhara Rao. 2025. Synthesis of Porous Biocarbon from Artocarpus hirsutus Husks and Its Microwave Shielding Effect on Agave Fiber-Reinforced Vinyl Ester Composite at High-Frequency Bands. Fibers and Polymers, 26, 3, (2025), 1297-1317. DOI: 10.1007/s12221-024-00832-w.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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