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Optimisation of 3D Printing for Microcellular Polymers.

Christian Andrew Griffiths1, Andrew Rees1, Adam Morgan1

  • 1Faculty of Science and Engineering, Swansea University, Swansea SA1 8EN, UK.

Polymers
|October 14, 2023
PubMed
Summary
This summary is machine-generated.

Microcellular foaming polymers offer a way to create lightweight, strong 3D printed parts. This approach optimizes the strength-to-weight ratio, leading to material savings and sustainable manufacturing.

Keywords:
3D printingadditive manufacturingfused deposition modellingfused filament fabricationlightweight PLA

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Area of Science:

  • Materials Science
  • Polymer Engineering
  • Additive Manufacturing

Background:

  • Polymers are vital in industry due to their versatility and cost-effectiveness.
  • Increasing polymer part strength traditionally involves adding material, posing challenges for strength-to-weight optimization.
  • Microcellular foaming offers a solution for enhancing mechanical properties while reducing material usage.

Purpose of the Study:

  • To explore the viability of microcellular foaming polymers for manufacturing lightweight components.
  • To investigate the combination of microcellular foaming with additive manufacturing (AM), specifically fused filament fabrication (FFF).
  • To demonstrate the potential for achieving an optimal strength-to-weight ratio in 3D printed parts.

Main Methods:

  • Utilizing microcellular foaming techniques in polymer processing.
  • Integrating foaming into fused filament fabrication (FFF) 3D printing processes.
  • Employing a design of experiments approach to optimize strength properties and manufacturability.

Main Results:

  • Microcellular foaming polymers provide significant weight reduction compared to standard polymers (e.g., LW-PLA vs. PLA).
  • Achieved an optimal strength-to-weight ratio in lightweight components.
  • Demonstrated the effectiveness of a design of experiments approach for property optimization.

Conclusions:

  • Microcellular polymers are a viable option for balancing part strength and weight in 3D printing.
  • This technology enables the creation of lighter and stronger 3D printed parts.
  • Offers potential for energy and material savings, contributing to sustainable manufacturing practices.