Abstract
"Fused deposition modelling, alternatively referred to as Fused Filament Fabrication, is an additive manufacturing technique that has garnered significant attention across various industries due to its diverse applications. This research investigates the ultimate tensile strength and elastic modulus of 3D-printed Polylactic acid samples, following the ISO-527-2-2012 standard. The mechanical performance of the created parts is considered from both experimental and computational points of view. The finite element method within the ANSYS environment was employed for computer-based load and strength calculations. Tensile specimens are fabricated using the Fused deposition modelling approach. The experimental outcomes were utilised to derive all the essential engineering constants required for evaluating the mechanical behaviour. The validity of the theoretical model has been confirmed through a comprehensive comparison with a substantial volume of experimental data, exhibiting mean errors of approximately 1 %. The objective of this research is to assess the effectiveness and efficacy of analytical models in predicting the structural and mechanical behaviour of components produced through fused deposition modelling. Keywords: additive technology, fused deposition modelling (FDM), PLA, mechanical properties, analytical model."
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