The influence of the slm process parameters optimization on the density and microstructure of ti6al4v alloy

The Selective Laser Melting/Selective Laser Sintering SLM/SLS is one of the most popular of the additive manufacturing AM method that allows the layerwise production of parts in metallic materials. The bed fusion method methods don’t appear limitation for the design point view, but the properties of the final elements depend on the process parameters. The study presents the results of density measurements, microscopic observation and chemical and phase compositions analysis. Based on the obtained results it can be concluded that the most important parameters, which have a significant effect on the properties of the SLM/SLS part was laser power and scanning speed. The elements produced using the optimum parameter were characterized by 99 % density comparable to the value in the material card.