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Honeycomb sandwich structures (HSS) are widely used in aerospace for their excellent strength-to-weight ratio and stiffness. However, their fabrication is costly and complex. This paper presents a detailed procedure for making HSS more economical and easier to produce. It involves creating carbon fiber-reinforced composite (CFRP) facesheets using vacuum-assisted resin infusion process (RIP) with a specific fabric layup orientation. The honeycomb sandwich plates consist of Nomex® aramid honeycomb cores and CFRP facesheets bonded with 3MTM Scotch-WeldTM epoxy adhesive DP460 and cured in an autoclave. This approach offers a more affordable and efficient way to explore sandwich structures in research.

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Fabrication Procedure for Nomex® Aramid Honeycomb Cored Carbon Fabric/Epoxy Composite Sandwich Structures via Vacuum-Assisted Resin Infusion Process

  • 会议论文

  • 发表日期：

    2025年

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  • Tripurari,
  • Azhar Jamil

摘要

Honeycomb sandwich structures (HSS) are widely used in aerospace for their excellent strength-to-weight ratio and stiffness. However, their fabrication is costly and complex. This paper presents a detailed procedure for making HSS more economical and easier to produce. It involves creating carbon fiber-reinforced composite (CFRP) facesheets using vacuum-assisted resin infusion process (RIP) with a specific fabric layup orientation. The honeycomb sandwich plates consist of Nomex® aramid honeycomb cores and CFRP facesheets bonded with 3MTM Scotch-WeldTM epoxy adhesive DP460 and cured in an autoclave. This approach offers a more affordable and efficient way to explore sandwich structures in research.