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This article extensively studies the mechanical characteristics of linear low-density polyethylene (LLDPE) composites reinforced with natural fibers (banana, hemp, kenaf, and sisal fibers) and compares their characteristics. Microwave-assisted processing (MAP) was used to develop all hybrid laminate composites due to its usefulness and efficacy in composite manufacturing. Different composite configurations (banana/hemp (BH), banana/kenaf (BK), sisal/hemp (SH), and sisal/kenaf (SK)) have remarkably different tensile strengths and moduli. The banana/kenaf (BK) composite demonstrated superior tensile strength and modulus, measuring 16.00 MPa and 248.39 MPa, respectively, which is 74.10% and 121.84% more than that of the sisal/hemp (SH) hybrid laminate. SEM fractography was utilized to analyze fractured tensile specimens, providing supportive insights into the composite properties. Furthermore, flexural testing reveals that the banana/kenaf (BK) composite exhibits the highest flexural strength (16.20 MPa) and modulus (424.67 MPa), surpassing the sisal/hemp (SH) hybrid laminate by 39.29% and 52.94%, respectively. Density and void analysis were conducted to further explore the behavior of the developed composites. These findings highlight the possibility of MAP to enhance the mechanical performance of produced laminate composites, opening a promising new direction for composite applications in various fields. The results of this study can contribute as a groundwork for further investigations into improving composite characteristics and expanding their suitable applications.

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Comparative Study of Mechanical Properties of Microwave-Processed Linear Low-Density Polyethylene-Based Hybrid Composites

  • 会议论文

  • 发表日期：

    2026年

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  • Hari Om Maurya,
  • Gaurav Kumar,
  • Lalta Prasad,
  • Prabhat Kumar Prajapati

摘要

This article extensively studies the mechanical characteristics of linear low-density polyethylene (LLDPE) composites reinforced with natural fibers (banana, hemp, kenaf, and sisal fibers) and compares their characteristics. Microwave-assisted processing (MAP) was used to develop all hybrid laminate composites due to its usefulness and efficacy in composite manufacturing. Different composite configurations (banana/hemp (BH), banana/kenaf (BK), sisal/hemp (SH), and sisal/kenaf (SK)) have remarkably different tensile strengths and moduli. The banana/kenaf (BK) composite demonstrated superior tensile strength and modulus, measuring 16.00 MPa and 248.39 MPa, respectively, which is 74.10% and 121.84% more than that of the sisal/hemp (SH) hybrid laminate. SEM fractography was utilized to analyze fractured tensile specimens, providing supportive insights into the composite properties. Furthermore, flexural testing reveals that the banana/kenaf (BK) composite exhibits the highest flexural strength (16.20 MPa) and modulus (424.67 MPa), surpassing the sisal/hemp (SH) hybrid laminate by 39.29% and 52.94%, respectively. Density and void analysis were conducted to further explore the behavior of the developed composites. These findings highlight the possibility of MAP to enhance the mechanical performance of produced laminate composites, opening a promising new direction for composite applications in various fields. The results of this study can contribute as a groundwork for further investigations into improving composite characteristics and expanding their suitable applications.