Abstract
This study systematically and comprehensively investigates the 3D printing process and mechanical properties of PLA/MWCNTS composite material using pneumatic extrusion. Mechanical test specimens were prepared utilizing a pneumatic extrusion 3D printing system, followed by conducting mechanical performance tests. The study focuses on assessing the influence of different material ratios on the strength of these specimens, employing a controlled variable method with varied printing paths. The results demonstrate a significant improvement in the mechanical properties of PLA printed specimens upon the addition of carbon nanotubes, indicating the promising potential of PLA/MWCNTS composite materials as functional materials for FDM technology.
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