Investigation of Additive Manufacturing of Biocompatible Objects: Optimization of Degradation, Mechanical and Physical Properties

The effect of production inputs on product properties in the production of polyethylene terephthalate (PET) material by additive manufacturing method was investigated and optimum production parameters were tried to be determined. The degradation of PET material in different filling patterns, mechanical and physical properties of the samples produced at different print speeds, layer thicknesses and filling patterns were investigated. In the study, it was determined that the most effective input on the mechanical properties of the samples was the filling pattern, followed by the print speed and the least effective input was the layer thickness. However, it was determined that the most effective inputs on the surface roughness and dimensional accuracy of the produced samples were layer thickness and filling pattern, respectively. Since the degree of influence of the filling pattern on mechanical and physical properties is higher than other production inputs, hydrolytic degradation properties of 9 different filling patterns were investigated.