![]() ![]() ![]() The effect of infill density on caries in a PETG part manufactured using the fusion deposition modeling technique was explored. Together with the infill structures, infill density also plays a crucial role in the mechanical properties of the 3D-printed objects. Infill structures, such as grids and triangular, hexagonal, triangular, and linear structures are the standard infill structures. The material infills, support, and layer thickness play a significant role in the strength of the products. ![]() Three-dimensional(3D) printing can be achieved in both metals and polymer materials, based on the applications. It is widely used in the industrial, manufacturing, and development sectors. Rapid prototyping is a time-saving additive manufacturing technique used to reduce wastage and create complex models. Through the variation of infill density, the desired tensile strength of PLA can be obtained based on the applications and the optimal weight of the printed parts. The results show the hexagonal pattern of infill holds remarkable mechanical properties compared with the other infill structures. The fracture of the specimen was simulated and the maximum yield strengths for different infill structures and infill densities were determined. The specimens were prepared with various infill patterns to determine the tensile properties. Additionally, the tensile properties of PLA 3D-printed objects concerning their infill pattern are demonstrated. In this research, the mechanical properties of specimens are investigated for gyroid, rhombile, circular, truncated octahedron, and honeycomb infill structures (hexagonal). Infill patterns play a significant role in the property of the material. In 3D-printing techniques, the infill reduces the amount of material used, thereby reducing the printing time and sustaining the aesthetics of the products. The advancement of 3D-printing technology has ushered in a new era in the production of machine components, building materials, prototypes, and so on. ![]()
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January 2023
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