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<p>Natural fibre-based thermoset composites offer biodegradability, low cost, and availability but face challenges in mechanical performance. To address this, a study focuses on optimizing a novel architecture using low-twist twine from field-retted jute and banana fibres. Stitching techniques are used to manufacture non-crimp unidirectional preforms for investigating mechanical properties of jute–banana twine-reinforced epoxy composites. Four samples (JJJ, BBB, JBJ, BJB) with varying fibre compositions are compression moulded, where J is for Jute and B is for Banana. Results show increased mechanical properties with higher jute fibre loading. Tensile strength of JJJ, JBJ, and BJB exceeds pure banana (BBB) by 176%, 136%, and 60%, respectively. Flexural strength of JJJ, JBJ, BJB surpass BBB by 50%, 30.37%, and 3.77%, whereas impact strength of JJJ is 33.84% higher than BBB. Micromechanical analysis using different models predicts stiffness, indicating potential applications like aircraft components, car panels, and sports equipment. Hybrid UD composites with higher jute content show promise for various industries.</p> Graphical abstract <p></p>

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Development and mechanical characterization of jute and banana twine-reinforced hybrid epoxy composites

  • 期刊论文

  • 发表日期：

    2025年6月2日

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  • Barshan Dev,
  • Shaikh Md. Mominul Alam,
  • Shafiqul Islam,
  • Anamul Hoque Bhuiyan,
  • Abu Sayeed,
  • Kazi Sowrov,
  • Forkan Sarker

摘要

Natural fibre-based thermoset composites offer biodegradability, low cost, and availability but face challenges in mechanical performance. To address this, a study focuses on optimizing a novel architecture using low-twist twine from field-retted jute and banana fibres. Stitching techniques are used to manufacture non-crimp unidirectional preforms for investigating mechanical properties of jute–banana twine-reinforced epoxy composites. Four samples (JJJ, BBB, JBJ, BJB) with varying fibre compositions are compression moulded, where J is for Jute and B is for Banana. Results show increased mechanical properties with higher jute fibre loading. Tensile strength of JJJ, JBJ, and BJB exceeds pure banana (BBB) by 176%, 136%, and 60%, respectively. Flexural strength of JJJ, JBJ, BJB surpass BBB by 50%, 30.37%, and 3.77%, whereas impact strength of JJJ is 33.84% higher than BBB. Micromechanical analysis using different models predicts stiffness, indicating potential applications like aircraft components, car panels, and sports equipment. Hybrid UD composites with higher jute content show promise for various industries.

Graphical abstract