2026-04-17T21:34:05Zhttps://recercat.cat/oai/request

oai:recercat.cat:2117/3949382026-01-14T05:33:16Zcom_2072_1033col_2072_452950

Correlation between infill percentages, layer width, and mechanical properties in fused deposition modelling of poly-lactic acid 3D printing Moradi, Mahmoud Rezayat, Mohammad Rozhbiany, Fakhir Aziz Rasul Meiabadi, Saleh Casalino, Giuseppe Shamsborhan, Mahmoud Bijoy, Amar Chakkingal, Sidharth Lawrence, Mathews Mohammed, Nasli Karamimoghadam, Mojtaba Àrees temàtiques de la UPC::Enginyeria dels materials Additive manufacturing 3D printing Fused deposition modelling Poly-lactic acid Response surface methodology Optimisation Fabricació additiva The field of additive manufacturing (AM) has seen a transformation in the production of intricate and complex parts for various applications. Fused Deposition Modelling (FDM), among AM techniques, has garnered significant attention, particularly in fields like fibre-reinforced composites (FRC). In this study, the world of FDM-printed Polylactic Acid (PLA) components is explored, with a focus on how mechanical properties are influenced by infill percentages and layer widths. Through the utilisation of Response Surface Methodology (RSM), the optimisation of FDM-PLA 3D printing for a wide range of biomaterial applications is achieved, along with the unveiling of the potential for remarkable improvements in mechanical performance. Notably, a remarkable 91% reduction in surface roughness for PLA composites was achieved, accompanied by an impressive 25.6% and 34.1% enhancement in the tensile strength and Young’s modulus of fibre-reinforced PLA composites, respectively. This work, positioned at the crossroads of FDM, lays the groundwork for substantial advancements in the realm of additive manufacturing. Peer Reviewed Postprint (published version) 2023-10-12 Article https://www.mdpi.com/2075-1702/11/10/950 http://creativecommons.org/licenses/by/4.0/ Open Access Attribution 4.0 International