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<p>This study investigates the development of innovative composite materials using palm (PM), cocho (CO), wood (WD), and tamarind (TD) fibers reinforced with epoxy resin (EP). A γ-methacryloxy-propy-ltrimethoxy-silane coupling agent was applied to the outer surface layers, resulting in composites with exceptional bonding strength and wear resistance. The incorporation of TD with epoxy resin facilitated the formation of a hierarchical structure, yielding a composite with high interfacial bond strength (PM/CO/WD/TD). Microstructural analysis revealed a unique hexagonal lattice structure and crystallization growth, particularly in the inner surface layers. Optimized composites, comprising 7.5 % PM, 7.5 % CO, 7.5 % WD, and 7.5 % TD, exhibited the highest elongation (50.66 MPa) and flexural strength (65.15 MPa). Furthermore, composites containing 70 % EP, combined with 10 % each of PM, CO, and WD, demonstrated superior surface hardness (134.86 Shore-D). The study highlights that the PM/CO/WD/TD combination significantly reduced wear and friction during dry sliding, underscoring its potential as a durable, wear-resistant material. These findings suggest promising applications of these nanocomposites in industries such as aerospace, automotive, and structural engineering, where enhanced mechanical properties and wear resistance are critical.</p>

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Enhanced microstructure, mechanical and tribological properties of γ-methacryloxy-propyl-trimethoxy-silane functionalized palm/cocho/wood/tamarind composite

  • 期刊论文

  • 发表日期：

    2025年8月2日

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  • V. Ramkumar,
  • P. Selvakumar

摘要

This study investigates the development of innovative composite materials using palm (PM), cocho (CO), wood (WD), and tamarind (TD) fibers reinforced with epoxy resin (EP). A γ-methacryloxy-propy-ltrimethoxy-silane coupling agent was applied to the outer surface layers, resulting in composites with exceptional bonding strength and wear resistance. The incorporation of TD with epoxy resin facilitated the formation of a hierarchical structure, yielding a composite with high interfacial bond strength (PM/CO/WD/TD). Microstructural analysis revealed a unique hexagonal lattice structure and crystallization growth, particularly in the inner surface layers. Optimized composites, comprising 7.5 % PM, 7.5 % CO, 7.5 % WD, and 7.5 % TD, exhibited the highest elongation (50.66 MPa) and flexural strength (65.15 MPa). Furthermore, composites containing 70 % EP, combined with 10 % each of PM, CO, and WD, demonstrated superior surface hardness (134.86 Shore-D). The study highlights that the PM/CO/WD/TD combination significantly reduced wear and friction during dry sliding, underscoring its potential as a durable, wear-resistant material. These findings suggest promising applications of these nanocomposites in industries such as aerospace, automotive, and structural engineering, where enhanced mechanical properties and wear resistance are critical.