Maestría en Mecánica Mención Manufactura

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    Proceso tecnológico para la fabricación de materiales compuestos con matriz polimérica y refuerzo de fibra de vidrio para su uso en filamento de impresión 3D
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica. Maestría en Mecánica Mención Manufactura, 2021) Villegas Suárez, Edmundo Sebastián; Espín Lagos, Segundo Manuel
    The present research work was focused on determining the best configuration of the polymeric matrix of recycled PET plastic and glass fiber reinforcement, for the manufacture of a new polymeric composite material intended for the extrusion of filament for 3D printing; For the analysis several aspects were determined such as the feasibility of extrusion of the composite material, the nozzle diameters of the extruder and 3D printer, the feasibility and processing of the raw material such as shredded recycled PET and later pelletized, in addition to the fiberglass in different configurations and redesign and implementation of the extruder machine. Using these considerations, the results of the diameter of the filaments obtained in each configuration and volumetric composition were analyzed, and the best option was determined by means of a T-student statistical analysis; with the result obtained from the analysis, the mechanical properties of the material were determined. The results of this research showed that the optimal configuration with filament for 3D printing is 90 percent recycled PET plus 10 percent glass fiber powder, and this is the most feasible for the extrusion of the filament since it fits the diameter of the nozzle of the 3D printer; at the same time, the mechanical properties of this new material were determined.