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<p>Recent awareness of sustainable environments and the recycling of biowaste materials has stimulated various industrial sectors to replace conventional materials with polymer composites for processing their products. This study aims to reinforce the aspiration of such industries to be more focused on bio-polymers. Banana fiber was utilized to reinforce the epoxy composite in two different variants: untreated and chemically treated. Furthermore, fiber variants were followed as short fibers, woven mat, and woven mat-short fibers hybrid. To estimate the viscoelastic properties, dynamic mechanical analysis (DMA) and post-fracture analysis were carried out. Additionally, the possible strengthening mechanism and thermal stability of the bio-polymers were evaluated with exclusive theoretical modelling to justify the improvement in the viscoelastic nature of the materials. The results concluded that the generous improvement of 100%, 141%, and 150% in storage, loss modulus and damping behaviour of treated woven banana (T-WBF) compared to untreated short banana fiber (UT-SBF). The increased level of interphase shear strength parameter and activation energy evolved from theoretical modeling demonstrated the higher structural and thermal stability of treated woven banana fiber, respectively, indicating that the novel biopolymer is the ideal candidate for structural and automotive applications.</p>

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A study of viscoelastic and thermal properties of Habeshian banana fiber-reinforced epoxy composites: theoretical and experimental appraisal

  • 期刊论文

  • 发表日期：

    2026年1月23日

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  • Venkatesh Chenrayan,
  • Kiran Shahapurkar,
  • Gangadhar Kanaginahal,
  • Vinayagam Mohanavel,
  • Sathish Kannan,
  • Vineet Tirth,
  • Ali Algahtani,
  • Krishna Prakash Arunachalam,
  • Manzoore Elahi M. Soudagar,
  • Thulasi Sankar

摘要

Recent awareness of sustainable environments and the recycling of biowaste materials has stimulated various industrial sectors to replace conventional materials with polymer composites for processing their products. This study aims to reinforce the aspiration of such industries to be more focused on bio-polymers. Banana fiber was utilized to reinforce the epoxy composite in two different variants: untreated and chemically treated. Furthermore, fiber variants were followed as short fibers, woven mat, and woven mat-short fibers hybrid. To estimate the viscoelastic properties, dynamic mechanical analysis (DMA) and post-fracture analysis were carried out. Additionally, the possible strengthening mechanism and thermal stability of the bio-polymers were evaluated with exclusive theoretical modelling to justify the improvement in the viscoelastic nature of the materials. The results concluded that the generous improvement of 100%, 141%, and 150% in storage, loss modulus and damping behaviour of treated woven banana (T-WBF) compared to untreated short banana fiber (UT-SBF). The increased level of interphase shear strength parameter and activation energy evolved from theoretical modeling demonstrated the higher structural and thermal stability of treated woven banana fiber, respectively, indicating that the novel biopolymer is the ideal candidate for structural and automotive applications.