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Interactive Molecular Model Assembly with 3D Printing
Published on: August 13, 2020
Optimization of FDM Printing Parameters for Enhanced Compressive Performance of 3D-Printed PLA/CF Composite Lattice
Mustafa Saleh1, Saqib Anwar1, Abdulrahman M Al-Ahmari1
1Industrial Engineering Department, College of Engineering, King Saud University, Riyadh 12372, Saudi Arabia.
Polymers
|July 28, 2026
Summary
This study optimized fused deposition modeling (FDM) parameters for carbon fiber-reinforced PLA lattice structures. Optimal settings maximize mechanical properties like compressive modulus and energy absorption, crucial for advanced material applications.
Area of Science:
- Materials Science
- Mechanical Engineering
- Additive Manufacturing
Background:
- Fused Deposition Modeling (FDM) is a key additive manufacturing technique.
- Lattice structures offer high strength-to-weight ratios.
- Optimizing FDM parameters is crucial for tailoring mechanical properties of lattice structures.
Purpose of the Study:
- To investigate the influence of FDM parameters on the mechanical behavior of Diamond Triply Periodic Minimal Surface (D-TPMS) lattice structures.
- To determine optimal FDM settings for maximizing compressive modulus, peak strength, and specific energy absorption.
- To analyze the relationship between printing parameters, relative density, and mechanical performance.
Main Methods:
- 3D printing of D-TPMS lattice structures using carbon fiber-reinforced polylactic acid (PLA/CFs).
- Response Surface Methodology (RSM) to study the effects of extruder temperature (ET), printing speed (PS), and layer thickness (LT).
- Uniaxial compression testing and deformation analysis to evaluate mechanical properties.
Main Results:
- Layer thickness (LT) significantly impacts compressive modulus and peak strength.
- Extruder temperature (ET) is the dominant factor for specific energy absorption (SEA).
- Optimal FDM parameters (60 mm/s PS, 232 °C ET, 0.2 mm LT) simultaneously maximized mechanical properties with high predictive accuracy.
Conclusions:
- FDM printing parameters critically govern the mechanical behavior of PLA/CFs D-TPMS lattice structures.
- Understanding these relationships enables prediction and optimization of mechanical performance.
- This research provides valuable insights for designing high-performance additively manufactured lattice components.
