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<p>Amid growing environmental concerns, natural fibers such as date palm stems (DPS) emerge as viable alternatives in polymer composites. This study investigates the mechanical and physical properties of short-length DPS-Glas epoxy composites, incorporating E-glass hybridization and alkali treatment. Unlike previous studies that focused on long fibers or fiber dust, this research employs short DPS fibers through the hand layup method to enhance composite processability. The impact of fiber content and alkali treatment on physical, mechanical, and water-absorption properties was explored. Results show that tensile strength improved significantly with alkali treatment and was further enhanced through glass fiber hybridization. Similar trends are observed in both flexural strength and microhardness also. SEM analysis revealed superior fiber-matrix adhesion in hybrid composites, while hybridization and surface treatment reduced water absorption. However, fiber clustering at 20 wt % led to surface imperfections and compromised mechanical properties. These findings highlight the potential of DPS fibers in sustainable composites and emphasize the importance of optimizing fiber content for enhanced performance.</p>

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Effects of Fiber Weight Percentage, Surface Modification, and Hybridization on the Physical and Mechanical Properties of Date-Palm Stem and Glass Fiber Epoxy Composite

  • 期刊论文

  • 发表日期：

    2025年9月27日

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  • Satchidananda Tripathy,
  • Janaki Dehury,
  • Alok Behera

摘要

Amid growing environmental concerns, natural fibers such as date palm stems (DPS) emerge as viable alternatives in polymer composites. This study investigates the mechanical and physical properties of short-length DPS-Glas epoxy composites, incorporating E-glass hybridization and alkali treatment. Unlike previous studies that focused on long fibers or fiber dust, this research employs short DPS fibers through the hand layup method to enhance composite processability. The impact of fiber content and alkali treatment on physical, mechanical, and water-absorption properties was explored. Results show that tensile strength improved significantly with alkali treatment and was further enhanced through glass fiber hybridization. Similar trends are observed in both flexural strength and microhardness also. SEM analysis revealed superior fiber-matrix adhesion in hybrid composites, while hybridization and surface treatment reduced water absorption. However, fiber clustering at 20 wt % led to surface imperfections and compromised mechanical properties. These findings highlight the potential of DPS fibers in sustainable composites and emphasize the importance of optimizing fiber content for enhanced performance.