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<p>Due to the quality of the products and emergence of environmental conservation practices, bio-composites are being developed in different fields. Fish scale powder fibre among different kinds of natural fibers is of interest which its composites are characterized by environmental-friendly, low cost, easy availability and recycled food waste material. This work is an attempt to use fish scale powder fibre combined with glass fibre along with epoxy matrix to develop a bio-hybrid composite. The composite is made through Hand layup process, by combining 20% fish scale fibre, 20% glass fibre and 60% epoxy LY556 resin respectively. Fundamental mechanical tests were performed using ASTM standards. It is observed that compressive and flexural load bearing capacity of the composite material is 0.180 and 0.330 kN respectively. This study also compares the mechanical properties of woven glass fiber and epoxy composites with and without the incorporation of fish scale fibers through computational analysis. Microanalysis reveals that the density of the woven glass fiber incorporated with epoxy-fish scale composite is 1.87% higher than the woven glass fiber-epoxy composite. Computational results show that it exhibits higher deformation and stress across fundamental tests. The equivalent stress of the Material-5 (27.5% fish scales- 52.5% epoxy and 20% glass fiber) when compared to Base-1 is reduced by 3.55% and 15.31% in compression and flexural tests respectively. Material compositions identified in this research is intended for practical application in hybrid-multirotor-UAVs, where the optimization of weight and mechanical performance is essential for maintaining structural integrity and operational efficiency.</p> Graphical Abstract <p></p>

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Experimental and computational investigations on mechanical properties of fish scale-based hybrid composite for hybrid multirotor unmanned aerial vehicles

  • 期刊论文

  • 发表日期：

    2026年1月20日

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  • Shafana Asiya Asan Mohamed,
  • Raj Kumar Gnanasekaran,
  • Naveen Kumar Kulandaiyappan,
  • Manish Krishnakumar Loganayaki,
  • Sanjay Raja Ananda Raja,
  • Beena Stanislaus Arputharaj,
  • Subhav Singh,
  • Deekshant Varshney,
  • Vijayanandh Raja

摘要

Due to the quality of the products and emergence of environmental conservation practices, bio-composites are being developed in different fields. Fish scale powder fibre among different kinds of natural fibers is of interest which its composites are characterized by environmental-friendly, low cost, easy availability and recycled food waste material. This work is an attempt to use fish scale powder fibre combined with glass fibre along with epoxy matrix to develop a bio-hybrid composite. The composite is made through Hand layup process, by combining 20% fish scale fibre, 20% glass fibre and 60% epoxy LY556 resin respectively. Fundamental mechanical tests were performed using ASTM standards. It is observed that compressive and flexural load bearing capacity of the composite material is 0.180 and 0.330 kN respectively. This study also compares the mechanical properties of woven glass fiber and epoxy composites with and without the incorporation of fish scale fibers through computational analysis. Microanalysis reveals that the density of the woven glass fiber incorporated with epoxy-fish scale composite is 1.87% higher than the woven glass fiber-epoxy composite. Computational results show that it exhibits higher deformation and stress across fundamental tests. The equivalent stress of the Material-5 (27.5% fish scales- 52.5% epoxy and 20% glass fiber) when compared to Base-1 is reduced by 3.55% and 15.31% in compression and flexural tests respectively. Material compositions identified in this research is intended for practical application in hybrid-multirotor-UAVs, where the optimization of weight and mechanical performance is essential for maintaining structural integrity and operational efficiency.

Graphical Abstract