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In terms of lightweight-to-high-strength ratio, polymer-reinforced composites are replacing metal matrix composites, which are used in many fields, aerospace, railways, sports, etc. This research developed a new hybrid polymer composite by combining six layers of flax (at different angle of orientation) and Nano-SiO2. Nano-SiO2 is added to composite materials in different weight percentages (0, 0.1, 0.2, 0.3, 0.4, and 0.5). Mechanical testing and field emission scanning electron microscopy (FESEM) were performed on each sample. 96.59 MPa, 154.64 MPa, 15.22 MPa, and 65.36 MPa were the highest values of tensile strength, flexural strength, inter-laminar shear strength, and hardness, respectively. All of these values were obtained at 0.3wt% of SiO2. The greatest impact strength of hybrid polymer composites, 175.44 J/m, was discovered at 0.1wt% of Nano-SiO2.

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Development and Mechanical Characterization of Hybrid Polymer Composite Reinforced with Flax Fiber and SiO2

  • 会议论文

  • 发表日期：

    2026年

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  • S Kartik Shubham,
  • Ajay Pandey,
  • Rajesh Purohit

摘要

In terms of lightweight-to-high-strength ratio, polymer-reinforced composites are replacing metal matrix composites, which are used in many fields, aerospace, railways, sports, etc. This research developed a new hybrid polymer composite by combining six layers of flax (at different angle of orientation) and Nano-SiO2. Nano-SiO2 is added to composite materials in different weight percentages (0, 0.1, 0.2, 0.3, 0.4, and 0.5). Mechanical testing and field emission scanning electron microscopy (FESEM) were performed on each sample. 96.59 MPa, 154.64 MPa, 15.22 MPa, and 65.36 MPa were the highest values of tensile strength, flexural strength, inter-laminar shear strength, and hardness, respectively. All of these values were obtained at 0.3wt% of SiO2. The greatest impact strength of hybrid polymer composites, 175.44 J/m, was discovered at 0.1wt% of Nano-SiO2.