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<p>This study explores the development of a novel epoxy-based composite material reinforced with <i>Coccinia Grandis</i> fibres (CGF) and bran filler particulates, focusing on its dynamic and thermal properties for potential engineering applications. The composite material was fabricated using the hand lay-up method, with varying concentrations of bran filler, to optimise its performance. To identify the material stability by conducting dynamic mechanic analysis, thermal properties, including thermal conductivity, thermal expansion, heat deflection temperature, and flame-retardant capacity, were measured to determine the material’s suitability for thermal insulation and heat-resistant applications. Thermogravimetric analysis was conducted to assess the composite’s thermal stability and decomposition behaviour. Scanning electron microscopy provided insights into the microstructure, revealing the distribution of fibres and fillers and the quality of interfacial bonding. The results indicate that the <i>Coccinia Grandis</i> fibre-reinforced bran filler epoxy composite exhibits significant dynamic stability and thermal and flame-retardant properties while increasing the bran filler mass ratio with an optimal of 20&#xa0;g to making it a suitable material for various engineering applications.</p>

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Bio-based epoxy composite: investigating thermal stability, flame resistance, and structural integrity of Coccinia Grandis fibre reinforcements

  • 期刊论文

  • 发表日期：

    2025年7月29日

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  • Thandavamoorthy Raja,
  • Yuvarajan Devarajan

摘要

This study explores the development of a novel epoxy-based composite material reinforced with Coccinia Grandis fibres (CGF) and bran filler particulates, focusing on its dynamic and thermal properties for potential engineering applications. The composite material was fabricated using the hand lay-up method, with varying concentrations of bran filler, to optimise its performance. To identify the material stability by conducting dynamic mechanic analysis, thermal properties, including thermal conductivity, thermal expansion, heat deflection temperature, and flame-retardant capacity, were measured to determine the material’s suitability for thermal insulation and heat-resistant applications. Thermogravimetric analysis was conducted to assess the composite’s thermal stability and decomposition behaviour. Scanning electron microscopy provided insights into the microstructure, revealing the distribution of fibres and fillers and the quality of interfacial bonding. The results indicate that the Coccinia Grandis fibre-reinforced bran filler epoxy composite exhibits significant dynamic stability and thermal and flame-retardant properties while increasing the bran filler mass ratio with an optimal of 20 g to making it a suitable material for various engineering applications.