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Fused Deposition Modeling (FDM) is commonly used to construct complicated design, especially for medical applications. In the present work, 12 rate weight percentage of copper powder with a molecule size of 30–50 µm is used in the Poly Lactic Acid (PLA) matrix as a fortification to form a composite fiber. For the variable working conditions, the samples are printed to ASTM D-790. In FDM, layer height, bed temperature, and nozzle temperature are taken as variable parameters to measure the bending property. The Scanning Electron Microscope (SEM) and 3-dimensional optical pictures examine the flexural quality, crack mechanics, and impact of various printed conditions for three-point flexural tests. A layer thickness of 0.14 mm was recorded for the maximum flexural quality of 68.6 MPa. The fracture mechanism is considered as identical under any machining conditions. Layer height predominantly determines the material’s flexural property and the uniform dispersion of the copper molecule over the crack surface which is confirmed by surface topography. Also, the non-parametric Bayesian Additive Regression Trees (BART) model is created to benefit from the earlier use of this inferential structure to measure vulnerability and information alignment.

PLA-Cu reinforced composite filament: preparation and flexural property printed at different machining conditions