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With the advent of fused filament fabrication (FFF), scientists are now able to mass-produce intricate geometrical shapes for the purpose of designing high-impact energy-absorbing structures for use in a variety of applications. This study performed an impact test to quantify the energy absorption of FFF-fabricated polymer composites namely poly-lactic-acid reinforced with multi-walled carbon nanotubes (PLA-MWCNTs), poly-ethylene-terephthalate-glycol reinforced with carbon fibre (PETG-CF), and poly-lactic-acid reinforced with carbon fibre (PLA-CF) with varying internal filling patterns (IFP) and nozzle hole diameter (NHD). Energy absorption is greatest at grid IFP and NHD of 0.40 mm for PLA-CF. Taguchi's method (TM) and response surface method (RSM) are applied to the results of the impact tests to recognize how the energy-absorbing behaviour depends on the specified process constraints (PC). Using the FFF method, the results of the tests may be utilized to create functional components in prototype, unit, and small-lot production.

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Enhancing Impact Performance of Fused Filament Fabricated Polymer Composites: An Experimental and Statistical Investigation

  • 会议论文

  • 发表日期：

    2025年

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  • Bobby Tyagi,
  • Deepansh Dhall,
  • Dhruv Jain,
  • Ankit Sahai,
  • Rahul Swarup Sharma

摘要

With the advent of fused filament fabrication (FFF), scientists are now able to mass-produce intricate geometrical shapes for the purpose of designing high-impact energy-absorbing structures for use in a variety of applications. This study performed an impact test to quantify the energy absorption of FFF-fabricated polymer composites namely poly-lactic-acid reinforced with multi-walled carbon nanotubes (PLA-MWCNTs), poly-ethylene-terephthalate-glycol reinforced with carbon fibre (PETG-CF), and poly-lactic-acid reinforced with carbon fibre (PLA-CF) with varying internal filling patterns (IFP) and nozzle hole diameter (NHD). Energy absorption is greatest at grid IFP and NHD of 0.40 mm for PLA-CF. Taguchi's method (TM) and response surface method (RSM) are applied to the results of the impact tests to recognize how the energy-absorbing behaviour depends on the specified process constraints (PC). Using the FFF method, the results of the tests may be utilized to create functional components in prototype, unit, and small-lot production.