Estudo e caracterização de componentes confeccionados por manufatura aditiva

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Universidade Federal de Goiás


There are several techniques used for the manufacture of three-dimensional models, but due to their ease of use, material extrusion has been widely applied in specific areas, since such as engineering as personal use. Such factors indicate that in the coming years many of the everyday plastic products commonly produced by conventional methods will be replaced by home printed objects in order to minimize costs and customization. Thus, knowing the influence of the process parameters is fundamental for the good performance of the products made by this technology. Thus, this work is dedicated to the study of the mechanical properties of parts constructed by material extrusion and the influence of parameters of the material and the printing process on the final characteristics of the produced object. A brief review of the literature is carried out in order to know the mechanical properties already identified and which methods are most used. It has been identified that the mechanical properties of the printed pieces are significantly affected by the printing orientation and airgap parameters. An experimental approach is used, aiming to evaluate the influence of parameters, shape and fill percentage, on the mechanical strength of the made objects. In addition, an initial and introductory study was carried out in order to analyze the functional characteristics of a prosthesis made by additive manufacture. The accomplishment of the same, aims to identify the limitations of the device and to provide future improvements.



Manufatura aditiva, Propriedades mecânicas, Ácido pliláctico, Acrilonitrila-butadieno-estireno, Mechanical properties, Polylactic acid, Acrylonitrile-butadiene-styrene, Additive manufacturing


REZENDE, Stéfany Mayara Ferreira de. Estudo e caracterização de componentes confeccionados por manufatura aditiva. 2018. 134 f. Dissertação (Mestrado em Modelagem e Otimização) - Universidade Federal de Goiás, Catalão, 2018.