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<p>The present work investigates the mechanical properties of hybridized vitrimer-based carbon fiber reinforced polymer (CFRP) composite reinforced with sugarcane bagasse fillers in raw, carbonized, and chemically treated form. Carbonization at 600&#xa0;°C and KOH chemical activation were employed to improve its compatibility with a vitrimer matrix. The research aimed at finding how treatments of fillers influence flexural strength, compressive resistance, impact toughness, and viscoelasticity. General mechanical properties from three-point bending, compression, and low velocity impact tests, together with dynamic mechanical analysis (DMA), were conducted to determine mechanical properties and viscoelastic behavior. The carbonized‑bagasse composite exhibited the most pronounced enhancements, achieving a flexural strength of 250&#xa0;MPa, a 7.9% increase as compared to the pure polymer (control). It has also shown a 37.9% improvement over the control’s energy to failure. Among the filler-reinforced composites, the activated bagasse composite achieved the highest compressive performance, with a compressive strength of 87&#xa0;MPa, and it exhibited notable damping behavior relative to the other filler-treated samples. Raw bagasse composite trailed behind in every property. These findings unambiguously demonstrate that filler treatment introduces huge influence on mechanical performance of bio-particle reinforced composites, opening their doors for applications in repairable, longer-lasting materials and structures.</p> Graphical Abstract <p></p>

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Carbon Fiber Reinforced Vitrimer Composite Laminates Incorporating Modified Sugarcane Bagasse

  • 期刊论文

  • 发表日期：

    2026年7月7日

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  • Abubakar Sumaila,
  • Stephen Dobreh,
  • Kingsley Y. Gyabaah,
  • Maryam Jahan,
  • Patrick Mensah,
  • Guoqiang Li

摘要

The present work investigates the mechanical properties of hybridized vitrimer-based carbon fiber reinforced polymer (CFRP) composite reinforced with sugarcane bagasse fillers in raw, carbonized, and chemically treated form. Carbonization at 600 °C and KOH chemical activation were employed to improve its compatibility with a vitrimer matrix. The research aimed at finding how treatments of fillers influence flexural strength, compressive resistance, impact toughness, and viscoelasticity. General mechanical properties from three-point bending, compression, and low velocity impact tests, together with dynamic mechanical analysis (DMA), were conducted to determine mechanical properties and viscoelastic behavior. The carbonized‑bagasse composite exhibited the most pronounced enhancements, achieving a flexural strength of 250 MPa, a 7.9% increase as compared to the pure polymer (control). It has also shown a 37.9% improvement over the control’s energy to failure. Among the filler-reinforced composites, the activated bagasse composite achieved the highest compressive performance, with a compressive strength of 87 MPa, and it exhibited notable damping behavior relative to the other filler-treated samples. Raw bagasse composite trailed behind in every property. These findings unambiguously demonstrate that filler treatment introduces huge influence on mechanical performance of bio-particle reinforced composites, opening their doors for applications in repairable, longer-lasting materials and structures.

Graphical Abstract