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<p>Recent economic concerns and escalating costs of fibers have redirected attention towards natural fiber composites, as seen at contemporary literature. Understanding thermal characteristics of materials were crucial for applications. This research examines thermal conductivity (TC) of epoxy with NaOH treated Borassus flabellifer fiber (BFF), an infrequently utilized natural resource, incorporating nanofillers: Graphene nanoplates (GNps), Aluminium nitride (AlN), and Boron carbide (B<sub>4</sub>C) at a concentration of 2 wt%. Hand layup technique were employed to produce nanocomposites with differing BFF concentrations (2–6 wt%) and mesh sizes (75–225&#xa0;μm) along with nanofiller. Fabricated nanocomposite specimens were evaluated for thermal conductivity. Scanning Electron Microscopy research demonstrates alkali treatment enhances surface morphology at fiber by removing impurities, hence improving adhesion with epoxy matrix at interface. Response Surface Methodology were employed optimize the parameters, utilizing Box-Behnken Design of RSM accompanied by analysis of variance through Design-Expert 13 to produce robust regression. Findings indicate peak TC of 1.61&#xa0;W/m·K with 2 wt% BFF, 2 wt% AlN, and a mesh size of 75&#xa0;μm. This study highlights potential of epoxy composites derived from Borassus flabellifer fiber for thermal management applications in circuit boards and electronic devices, while advancing the creation of innovative material solutions.</p>

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Thermal performance of borassus flabellifer fiber reinforced epoxy nanocomposites filled with Graphene, AlN, and B₄C

  • 期刊论文

  • 发表日期：

    2026年4月16日

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  • Senthilkumar Pachiyappan,
  • Shyam Kishore G.,
  • Vimala V.,
  • Kumaresan J.,
  • Ramachandran G.,
  • Girimurugan R.

摘要

Recent economic concerns and escalating costs of fibers have redirected attention towards natural fiber composites, as seen at contemporary literature. Understanding thermal characteristics of materials were crucial for applications. This research examines thermal conductivity (TC) of epoxy with NaOH treated Borassus flabellifer fiber (BFF), an infrequently utilized natural resource, incorporating nanofillers: Graphene nanoplates (GNps), Aluminium nitride (AlN), and Boron carbide (B4C) at a concentration of 2 wt%. Hand layup technique were employed to produce nanocomposites with differing BFF concentrations (2–6 wt%) and mesh sizes (75–225 μm) along with nanofiller. Fabricated nanocomposite specimens were evaluated for thermal conductivity. Scanning Electron Microscopy research demonstrates alkali treatment enhances surface morphology at fiber by removing impurities, hence improving adhesion with epoxy matrix at interface. Response Surface Methodology were employed optimize the parameters, utilizing Box-Behnken Design of RSM accompanied by analysis of variance through Design-Expert 13 to produce robust regression. Findings indicate peak TC of 1.61 W/m·K with 2 wt% BFF, 2 wt% AlN, and a mesh size of 75 μm. This study highlights potential of epoxy composites derived from Borassus flabellifer fiber for thermal management applications in circuit boards and electronic devices, while advancing the creation of innovative material solutions.