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<p>Natural fibers are increasingly valued as reinforcement materials in composite manufacturing, offering an eco-friendly alternative to synthetic fibers, despite their superior mechanical properties. This study investigates the thermal, mechanical, morphological, and water affinity properties of bio-composites reinforced with Phoenix sylvestris leaf sheath biofibers in an unsaturated polyester resin matrix, focusing on the effects of fiber content by weight percentage and length. The biocomposite featuring 30% weight and 5&#xa0;mm length Phoenix sylvestris leaf sheath biofibers exhibited the highest mechanical performance, with strong tensile properties. Moreover, increasing the fiber length up to 15&#xa0;mm further upgraded the tensile, flexural, hardness, and impact features of the bio-composite. The viability of the bio-composite for industrial applications was established through X-ray diffraction, and scanning electron microscopy evaluates. The biocomposite’s satisfactory hydrophobicity, lower density, and heat resistance, achieved through optimal fiber loading and length, make it suitable for use in aerospace and automotive components.</p>

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Optimization of fiber loading, fiber length and mathematical modelling of Phoenix Sylvestris leaf sheath biocomposites for structural applications

  • 期刊论文

  • 发表日期：

    2025年4月19日

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  • Aravind Ambika Gangadharan,
  • Rajesh Resselian,
  • Dev Anand Manoharan

摘要

Natural fibers are increasingly valued as reinforcement materials in composite manufacturing, offering an eco-friendly alternative to synthetic fibers, despite their superior mechanical properties. This study investigates the thermal, mechanical, morphological, and water affinity properties of bio-composites reinforced with Phoenix sylvestris leaf sheath biofibers in an unsaturated polyester resin matrix, focusing on the effects of fiber content by weight percentage and length. The biocomposite featuring 30% weight and 5 mm length Phoenix sylvestris leaf sheath biofibers exhibited the highest mechanical performance, with strong tensile properties. Moreover, increasing the fiber length up to 15 mm further upgraded the tensile, flexural, hardness, and impact features of the bio-composite. The viability of the bio-composite for industrial applications was established through X-ray diffraction, and scanning electron microscopy evaluates. The biocomposite’s satisfactory hydrophobicity, lower density, and heat resistance, achieved through optimal fiber loading and length, make it suitable for use in aerospace and automotive components.