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<p>By introducing honeycomb core in fiber-reinforced-Polymeric-composite (FRPC) fiber-reinforced-polymeric-sandwich-plates (FRPSP) are prepared that balances strength-to-weight ratio. The face-sheet of FRPSP made of fiber is major load carrier. Generally, the stronger fiber is costlier that increases the cost of FRPSP. The cost is compromised by hybridizing a stronger fiber with a weaker one. Generally, hybridization of fiber in face-sheet is done by altering the fabric layers. The hybridization of the fibers in one fabric layer is a novel concept. As glass fiber (GF) and carbon fiber (CF) are mostly used in FRPCs; here, functional-gradations in the face-sheet are conducted by weaving both CF and GF in each layer to prepare fiber-reinforced functionally-graded-sandwich-plates (FRFGSP) with honeycomb core. The face-sheet is comprised of six layers of fabrics in epoxy base (50:50 volume-fraction). While the hexagonal core is printed from poly-lactic-acid (PLA) and polyethylene terephthalate (PET). Here, two types of functional-gradation is used. The materials prepared are undergone through different material testing. The results of FRFGSPs are compared with the results of FRPSPs and FRPCs. FRFGSPs shows remarkable advance in strengths in tensile (10.41%), flexural (3.4%), and impact (145%). However, thermal stability is least affected. The SEM shows delamination is the major phenomenon of failure.</p>

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Influence of Functional Gradation of Carbon and Glass Fiber in Face Sheet on Mechanical and Thermal Properties of Fiber Reinforced Polymeric Sandwich Composites

  • 期刊论文

  • 发表日期：

    2026年4月6日

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  • Abhijit Mohanty,
  • Sarada Prasad Parida,
  • Rati Ranjan Dash

摘要

By introducing honeycomb core in fiber-reinforced-Polymeric-composite (FRPC) fiber-reinforced-polymeric-sandwich-plates (FRPSP) are prepared that balances strength-to-weight ratio. The face-sheet of FRPSP made of fiber is major load carrier. Generally, the stronger fiber is costlier that increases the cost of FRPSP. The cost is compromised by hybridizing a stronger fiber with a weaker one. Generally, hybridization of fiber in face-sheet is done by altering the fabric layers. The hybridization of the fibers in one fabric layer is a novel concept. As glass fiber (GF) and carbon fiber (CF) are mostly used in FRPCs; here, functional-gradations in the face-sheet are conducted by weaving both CF and GF in each layer to prepare fiber-reinforced functionally-graded-sandwich-plates (FRFGSP) with honeycomb core. The face-sheet is comprised of six layers of fabrics in epoxy base (50:50 volume-fraction). While the hexagonal core is printed from poly-lactic-acid (PLA) and polyethylene terephthalate (PET). Here, two types of functional-gradation is used. The materials prepared are undergone through different material testing. The results of FRFGSPs are compared with the results of FRPSPs and FRPCs. FRFGSPs shows remarkable advance in strengths in tensile (10.41%), flexural (3.4%), and impact (145%). However, thermal stability is least affected. The SEM shows delamination is the major phenomenon of failure.