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This study investigates the effect of different heat treatments on the electrochemical behavior of Cp-Ti, Ti6Al4V and Ti6Al4V ELI alloys to improve its strength for use in human body. The optimum heat treatment improves the properties of all of the metallic materials. The samples were quenched after heat treatment at 750oC, at 1060oC, in air and water, respectively. Corrosion tests were performed by using Open Circiut Potential Method (OCP) method in the sea water. The corrosion resistance of the titanium samples was determined from obtained Nyquist plot. Microstructure images were presented via SEM instrument. As a result of the evaluations made, heat treatment at 1050oC more developed the focused alloy then that of at 750oC.
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