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<p>The mechanical, thermal, and water-absorption characteristics of epoxy composites reinforced with maguey fiber and cellulose treated with silane are examined in this work. The addition of silane-treated cellulose greatly increased the composites’ tensile strength; specimen EMC1, which contained 1 vol.% cellulose, had the maximum tensile strength of 139&#xa0;MPa and the highest flexural strength of 160&#xa0;MPa. Because of the silane-treated cellulose’s ideal dispersion, which improved interfacial bonding and stress transfer, EMC1 also showed the maximum impact strength, measuring 6.5&#xa0;J. On the other hand, specimen EMC2, which included 2 vol.% cellulose, had exceptional water and heat resistance, with the lowest water absorption value of 0.042% and the lowest thermal conductivity of 0.23 W/mK. These characteristics come from EMC2’s greater filler content, which maintains strong mechanical performance while obstructing heat conduction channels and forming hydrophilic spots. With specimen EMC1 exhibiting better filler-matrix bonding and EMC2 exhibiting filler agglomeration at higher concentrations, SEM analysis further validated the function of silane-treated cellulose in improving interfacial adhesion and stress transfer. The study’s overall findings demonstrate the possibility of silane-treated cellulose and maguey fiber as efficient reinforcements for epoxy composites in applications needing improved moisture, heat, and mechanical resistance.</p>

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Mechanical, Thermal Conductivity, and Water Absorption Properties of Maguey Fiber and Passion Fruit Husk Cellulose-Reinforced Epoxy Bio Composite

  • 期刊论文

  • 发表日期：

    2025年12月5日

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  • S. Muthukumar,
  • N. Dilip Raja,
  • K. Raja,
  • M. Venkatasudhahar

摘要

The mechanical, thermal, and water-absorption characteristics of epoxy composites reinforced with maguey fiber and cellulose treated with silane are examined in this work. The addition of silane-treated cellulose greatly increased the composites’ tensile strength; specimen EMC1, which contained 1 vol.% cellulose, had the maximum tensile strength of 139 MPa and the highest flexural strength of 160 MPa. Because of the silane-treated cellulose’s ideal dispersion, which improved interfacial bonding and stress transfer, EMC1 also showed the maximum impact strength, measuring 6.5 J. On the other hand, specimen EMC2, which included 2 vol.% cellulose, had exceptional water and heat resistance, with the lowest water absorption value of 0.042% and the lowest thermal conductivity of 0.23 W/mK. These characteristics come from EMC2’s greater filler content, which maintains strong mechanical performance while obstructing heat conduction channels and forming hydrophilic spots. With specimen EMC1 exhibiting better filler-matrix bonding and EMC2 exhibiting filler agglomeration at higher concentrations, SEM analysis further validated the function of silane-treated cellulose in improving interfacial adhesion and stress transfer. The study’s overall findings demonstrate the possibility of silane-treated cellulose and maguey fiber as efficient reinforcements for epoxy composites in applications needing improved moisture, heat, and mechanical resistance.