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<p>This research looked at the creep, flammability, wear, and mechanical properties of a polyester composite made from peanut husk biomass that was reinforced with <i>Morinda citrifolia</i> leaf stem fibers and silicon nitride (Si<sub>3</sub>N<sub>4</sub>). This research aims to study the strength and flammability properties of a polyester composite reinforced with <i>Morinda citrifolia</i> leaf stem fiber and the effect of biogenic ceramic made from peanut husks. In this study, composites were made using a hand layup technique with <i>Morinda citrifolia</i>fiber making up 50% of the volume, and Si<sub>3</sub>N<sub>4</sub>biogenic ceramic ranging from 1 to 5% by volume. Tests were conducted according to American society for testing and materials (ASTM). Compressive strength reached 144 mega Pascal (MPa), flexural strength reached 168&#xa0;MPa, tensile strength reached 128&#xa0;MPa, impact Izod strength reached 4.9 Joules (J), and hardness reached 79&#xa0;MPa in composites augmented by 3 vol.% Si<sub>3</sub>N<sub>4</sub> biogenic ceramic. Although composites with 5 vol.% Si<sub>3</sub>N<sub>4</sub> biogenic ceramic show better wear qualities, it is preferred to have composites with lower specific wear rates and coefficient of friction (COF) values (0.011 mm<sup>3</sup>/Nm and 0.27, respectively). Incorporating <i>Morinda citrifolia</i>fiber and Si<sub>3</sub>N<sub>4</sub> biogenic ceramic with polyester reduces its flame retardancy and creep strain behavior. According to this study composites manufactured with Si<sub>3</sub>N<sub>4</sub> biogenic ceramic exhibits enhanced load bearing and flame related characteristics. The fractured specimens were analysed using scanning electron microscopy (SEM) which revealed fracture modes and fiber pull outs. Further, the improved mechanical strength, wear resistance, and flame-retardant performance of the Morinda citrifolia fiber/Si₃N₄-reinforced polyester composite make it suitable for automotive interior panels, electrical insulation housings, and light-duty wear components. Additionally, its low creep and dimensional stability support applications in furniture structures, protective equipment, and non-structural aerospace and consumer product casings.</p>

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Mechanical, Wear, Flammability, and Creep Behaviour of Morinda citrifolia Leaf Stem Fiber -Reinforced Polyester Composite with Si3N4 Biogenic Ceramic

  • 期刊论文

  • 发表日期：

    2026年1月11日

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  • Kadirvel A,
  • S. Sambath,
  • Gayathiri Devi G,
  • Jayanthi N

摘要

This research looked at the creep, flammability, wear, and mechanical properties of a polyester composite made from peanut husk biomass that was reinforced with Morinda citrifolia leaf stem fibers and silicon nitride (Si3N4). This research aims to study the strength and flammability properties of a polyester composite reinforced with Morinda citrifolia leaf stem fiber and the effect of biogenic ceramic made from peanut husks. In this study, composites were made using a hand layup technique with Morinda citrifoliafiber making up 50% of the volume, and Si3N4biogenic ceramic ranging from 1 to 5% by volume. Tests were conducted according to American society for testing and materials (ASTM). Compressive strength reached 144 mega Pascal (MPa), flexural strength reached 168 MPa, tensile strength reached 128 MPa, impact Izod strength reached 4.9 Joules (J), and hardness reached 79 MPa in composites augmented by 3 vol.% Si3N4 biogenic ceramic. Although composites with 5 vol.% Si3N4 biogenic ceramic show better wear qualities, it is preferred to have composites with lower specific wear rates and coefficient of friction (COF) values (0.011 mm3/Nm and 0.27, respectively). Incorporating Morinda citrifoliafiber and Si3N4 biogenic ceramic with polyester reduces its flame retardancy and creep strain behavior. According to this study composites manufactured with Si3N4 biogenic ceramic exhibits enhanced load bearing and flame related characteristics. The fractured specimens were analysed using scanning electron microscopy (SEM) which revealed fracture modes and fiber pull outs. Further, the improved mechanical strength, wear resistance, and flame-retardant performance of the Morinda citrifolia fiber/Si₃N₄-reinforced polyester composite make it suitable for automotive interior panels, electrical insulation housings, and light-duty wear components. Additionally, its low creep and dimensional stability support applications in furniture structures, protective equipment, and non-structural aerospace and consumer product casings.