Abstract
3D printing is widely used for various applications as it offers many benefits. The mechanical property of the part manufactured by using 3D printing is very critical. For that reason, it is important to understand how different values of 3D printing process parameters impact the mechanical properties of the part. As Polylactic Acid (PLA) is most widely used as 3D printing material, it is chosen as the material discussed in this research. The purpose of this research is to provide information related to the influence of various parameters of 3D printing to the mechanical properties of the PLA part. A literature review was performed based on the current research that investigates the 3D printing process of PLA. Based on the literature review, the infill design parameters are considered as important parameters and discussed in this research. The infill design parameters referred in this research are layer thickness, infill pattern, infill density, infill width, and infill deposition speed. The mechanical properties discussed in this research are tensile strength and yield strength, ductility, elasticity or young modulus, compression strength, flexural strength, and stiffness.
Highlights
The infill design parameters referred in this research are layer thickness, infill pattern, infill density, infill width, and infill deposition speed
3D printing, known as Fused Filament Fabrication (FFF), is an additive manufacturing process in which a material is extruded through a nozzle layer by layer to form the shape of the printed part. 3D printing is widely used for various applications such as for a product prototype because it is able to create complex shape in a faster time than other processes
Tensile strength and yield strength of a 3D printed part are affected by various infill design parameters to the mechanical properties, which are layer thickness, infill density, and infill deposition speed
Summary
3D printing, known as Fused Filament Fabrication (FFF), is an additive manufacturing process in which a material is extruded through a nozzle layer by layer to form the shape of the printed part. 3D printing is widely used for various applications such as for a product prototype because it is able to create complex shape in a faster time than other processes. The mechanical property of the part printed by using 3D printing is very critical. Polymer is widely used as a material for a prototype as it has lower density and higher strains at failure. Polylactic Acid (PLA) is a polymer that is most widely used as 3D printing material because it required low melting point and less energy to print. PLA is chosen as the material discussed in this research
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