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<p>Poly-fiber composites hold significant potential for applications requiring a high strength-to-weight ratio. These composites are developed using natural fibers, which are cost-effective and offer improved functional behavior. However, the contribution of single fibers and moisture absorption can negatively affect the overall performance of the composite. Current research aims to synthesize and enhance the mechanical and thermal properties of hybrid nanocomposite laminates containing glass (G), kenaf (K), and jute (J) fibers. The fiber sequence arrangements studied are G/K/K/K/K/J/J/J/G, G/K/K/J/J/J/J/K/K/G, and G/J/J/K/K/K/K/J/J/G, each featuring 0, 1, 2, and 3&#xa0;wt.% of nano-multi-walled carbon nanotubes (MWCNT) produced using the hand layup combined with compression molding method. The mechanism for nano-MWCNT on the mechanical, water absorption, and thermal behavior of hybrid composite laminates is evaluated. Among the various sequences, the hybrid laminates with the sequences of G/J/J/K/K/K/K/J/J/G adopted with 3&#xa0;wt.% MWCNT are found optimum tensile strength (101&#xa0;MPa), flexural strength (136&#xa0;MPa), microhardness (84 HV), fracture toughness (2.57&#xa0;MPa<sup>0.5</sup>), and reduced water absorption behavior of 3.45% for 48&#xa0;h. Moreover, the 3&#xa0;wt.% MWCNT featured composite series of G/J/J/K/K/K/K/J/J/G exhibits superior thermal stability between 200 and 250&#xa0;°C, with a reduced mass loss of 20% observed. Thermo-gravimetric analysis (TGA) measurements demonstrated better thermal stability as MWCNT concentration increased. This work demonstrates the potential of MWCNT-reinforced natural fiber composites for automotive interior door panel applications.</p>

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Preparation and Enrichment of Poly-fiber Hybrid Nanocomposite Laminate by the Inclusions of MWCNT

  • 期刊论文

  • 发表日期：

    2025年10月8日

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  • S. Jothi Arunachalam,
  • R. Saravanan,
  • T. Sathish,
  • R. Venkatesh

摘要

Poly-fiber composites hold significant potential for applications requiring a high strength-to-weight ratio. These composites are developed using natural fibers, which are cost-effective and offer improved functional behavior. However, the contribution of single fibers and moisture absorption can negatively affect the overall performance of the composite. Current research aims to synthesize and enhance the mechanical and thermal properties of hybrid nanocomposite laminates containing glass (G), kenaf (K), and jute (J) fibers. The fiber sequence arrangements studied are G/K/K/K/K/J/J/J/G, G/K/K/J/J/J/J/K/K/G, and G/J/J/K/K/K/K/J/J/G, each featuring 0, 1, 2, and 3 wt.% of nano-multi-walled carbon nanotubes (MWCNT) produced using the hand layup combined with compression molding method. The mechanism for nano-MWCNT on the mechanical, water absorption, and thermal behavior of hybrid composite laminates is evaluated. Among the various sequences, the hybrid laminates with the sequences of G/J/J/K/K/K/K/J/J/G adopted with 3 wt.% MWCNT are found optimum tensile strength (101 MPa), flexural strength (136 MPa), microhardness (84 HV), fracture toughness (2.57 MPa0.5), and reduced water absorption behavior of 3.45% for 48 h. Moreover, the 3 wt.% MWCNT featured composite series of G/J/J/K/K/K/K/J/J/G exhibits superior thermal stability between 200 and 250 °C, with a reduced mass loss of 20% observed. Thermo-gravimetric analysis (TGA) measurements demonstrated better thermal stability as MWCNT concentration increased. This work demonstrates the potential of MWCNT-reinforced natural fiber composites for automotive interior door panel applications.