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<p>Natural fiber-reinforced composites (NFRCs) are often mechanically inferior to synthetic fiber composites due to the inherent porosity and hydrophilicity of natural fibers, which reduce their strength over time. While the use of fillers like nanoparticles has been explored in synthetic and hybrid composites, limited studies focus specifically on incorporating boron carbide (B<sub>4</sub>C) nanoparticles into jute and palm fiber mats to enhance their mechanical properties. This study addresses the gap by systematically investigating the effect of varying B<sub>4</sub>C nanoparticle concentrations on the mechanical and water absorption performance of NFRCs. In this work, vacuum bagging was used to create jute and palm fiber mats reinforced with various percentages of the weight of boron carbide nanoparticles (0, 0.5, 1, 1.5, 2, and 2.5 wt%) in order to evaluate the mats’ tensile, flexural, impact, and hardness characteristics. While the composite with 1.5 wt.% B<sub>4</sub>C particles possessed the highest impact strength (24.8&#xa0;J/m<sup>2</sup>) and hardness (87.8), the composite laminates with 1 wt.% B<sub>4</sub>C particle exhibit maximum tensile (61.39&#xa0;MPa) and flexural strength (116.34&#xa0;MPa). Specimens were submerged in distilled water for 5&#xa0;days prior to testing to see whether water absorption affected the mechanical properties. The microstructure and failure interpretation of fractured tensile test laminates of jute/palm fiber-reinforced B<sub>4</sub>C-laminated composites are characterized using scanning electron microscopy (SEM). Dynamic mechanical analysis was performed to estimate the visco-elastic behavior of high tensile strength composite sample. The outcomes of this study will be valuable for applications in the automotive industry, construction, marine environments, and sports equipment.</p>

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Influence of Boron Carbide Fillers on Jute and Palm Fiber Mat Hybrid Composites for Engineering Applications

  • 期刊论文

  • 发表日期：

    2025年2月4日

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  • Tirupathi Kadam,
  • J. Suresh Kumar,
  • Somashekhar S. Hiremath

摘要

Natural fiber-reinforced composites (NFRCs) are often mechanically inferior to synthetic fiber composites due to the inherent porosity and hydrophilicity of natural fibers, which reduce their strength over time. While the use of fillers like nanoparticles has been explored in synthetic and hybrid composites, limited studies focus specifically on incorporating boron carbide (B4C) nanoparticles into jute and palm fiber mats to enhance their mechanical properties. This study addresses the gap by systematically investigating the effect of varying B4C nanoparticle concentrations on the mechanical and water absorption performance of NFRCs. In this work, vacuum bagging was used to create jute and palm fiber mats reinforced with various percentages of the weight of boron carbide nanoparticles (0, 0.5, 1, 1.5, 2, and 2.5 wt%) in order to evaluate the mats’ tensile, flexural, impact, and hardness characteristics. While the composite with 1.5 wt.% B4C particles possessed the highest impact strength (24.8 J/m2) and hardness (87.8), the composite laminates with 1 wt.% B4C particle exhibit maximum tensile (61.39 MPa) and flexural strength (116.34 MPa). Specimens were submerged in distilled water for 5 days prior to testing to see whether water absorption affected the mechanical properties. The microstructure and failure interpretation of fractured tensile test laminates of jute/palm fiber-reinforced B4C-laminated composites are characterized using scanning electron microscopy (SEM). Dynamic mechanical analysis was performed to estimate the visco-elastic behavior of high tensile strength composite sample. The outcomes of this study will be valuable for applications in the automotive industry, construction, marine environments, and sports equipment.