ABSTRACT:The commercially pure Ti (cp) has been used extensively as biomaterial because of their characteristics. Another widely used material is stainless steels, because they are widely available and low cost. The objective of this work is study the electrochemical behavior of Ti samples and 316L stainless steel by electrochemical tests. The tests used to evaluate the performance of the surfaces were: Electrochemical Impedance Spectroscopy (EIS), Open Cycle Potential (OCP) and Cyclic Voltammetry, performed in Lactate Ringer's solution. The results obtained were analyzed from the Gamry Analysis software, it was observed that the 316 L stainless steel samples showed lower corrosion resistance than Ti, under the conditions studied. It was demonstrated that the state of the surface of the samples is a critical factor since among the samples of Ti (cp) those with coating presented best electrochemical performance than machined.
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