Abstract
This research paper presents a comparative analysis of the elastic properties of 3D-printed parts made from polymer composite materials using PLA plastic. The analysis was conducted using both the finite element method and experimental measurements. Specifically, PLA-Cg+ and PLA-CCF samples were printed with varying printing parameters, such as raster angle and print layer thickness. The study demonstrates that the employed numerical calculation algorithm provides sufficiently accurate assessment of the elastic characteristics of materials across different combinations of the investigated parameters. Moreover, the analysis of the results reveals that the accuracy of the calculations is significantly influenced by the microstructure, which is determined by the size and shape of the pores that form during the printing process.
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