Electrochemical behaviour of additively manufactured titanium for biomedical applications

Commercially pure titanium is an important material for several biomedical applications, thanks to its capability to promote osseointegration and its mechanical properties. In recent years, new processing routes like additive manufacturing have opened new frontiers in the exploitation of this material in the biomedical field, giving the possibility to realize new shapes and decrease the overall weight of the prostheses. At the same time, due to these new forming technologies, new issues are faced, like the presence of a fine microstructure and the relation between porosity in the final component and the process parameters. This paper employs electrochemical measurements to assess the porosity effect on the corrosion behaviour of additively manufactured titanium in simulated body fluids. Specifically, the possibility of assessing different porosity levels related to processing parameters change is discussed.