<p>This study focuses on evaluating the mechanical, wear, fatigue, and creep properties of a bio-extracted Zirconium oxide (ZrO2) and okra fiber-reinforced composite material. The ZrO2 filler particles derived from <i>Phyllanthus niruri</i> and okra fibers provide enhanced strength properties, offering a novel contribution to this research. The biosynthesized filler and natural fiber composite were fabricated using the hand layup process, and their performance was assessed in accordance with ASTM standards. The findings indicate that a composite comprising 2 vol% ZrO2 and 40 vol% okra fiber (VO2) exhibits superior mechanical properties, including a 137.6% increase in tensile strength, a 101.1% improvement in flexural strength, a 38.8% enhancement in interlaminar shear strength (ILSS), a 780% rise in impact energy, and a 5.3% increase in hardness compared to the base composite. These improvements are primarily attributed to the uniform dispersion of filler particles throughout the composite matrix. However, increasing the filler content to 4 vol% in composite VO3 results in reduced tensile strength, flexural strength, ILSS, impact strength, fatigue, and creep properties, although it demonstrates improved wear resistance. Additionally, the biocomposite material’s excellent corrosion resistance, low density, high strength, stiffness, and reduced environmental hazard make it highly suitable for applications in interior housing works, automobile door panels, sports equipment, and defense manufacturing industries.</p>

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Biosynthesis of ZrOBioceramic from Phyllanthus niruri plant extract and it’s reinforcement effects on okra fiber-reinforced vinyl ester composite

  • S. Vinodha,
  • G. Yuvaraj,
  • L. Vidhya,
  • J. Ebenezer Samuel Daniel

摘要

This study focuses on evaluating the mechanical, wear, fatigue, and creep properties of a bio-extracted Zirconium oxide (ZrO2) and okra fiber-reinforced composite material. The ZrO2 filler particles derived from Phyllanthus niruri and okra fibers provide enhanced strength properties, offering a novel contribution to this research. The biosynthesized filler and natural fiber composite were fabricated using the hand layup process, and their performance was assessed in accordance with ASTM standards. The findings indicate that a composite comprising 2 vol% ZrO2 and 40 vol% okra fiber (VO2) exhibits superior mechanical properties, including a 137.6% increase in tensile strength, a 101.1% improvement in flexural strength, a 38.8% enhancement in interlaminar shear strength (ILSS), a 780% rise in impact energy, and a 5.3% increase in hardness compared to the base composite. These improvements are primarily attributed to the uniform dispersion of filler particles throughout the composite matrix. However, increasing the filler content to 4 vol% in composite VO3 results in reduced tensile strength, flexural strength, ILSS, impact strength, fatigue, and creep properties, although it demonstrates improved wear resistance. Additionally, the biocomposite material’s excellent corrosion resistance, low density, high strength, stiffness, and reduced environmental hazard make it highly suitable for applications in interior housing works, automobile door panels, sports equipment, and defense manufacturing industries.