Electrochemical behavior of nitinol alloy in Ringer's solution.
Corrosion behavior of Nitinol (nickel titanium) alloy has been examined in physiological Ringer's solution by means of electrochemical techniques (open-circuit potential measurement, potentiodynamic and potentiostatic polarizations) and capacitance measurements. The results show that the passive film is stable at open-circuit condition, but many of anodic current transients are observed at potentiodynamic and potentiostatic polarizations. The thickness of passive film decreased because of the occurrence of dissolution.
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Department of Mechanical, Industrial and Manufacturing Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA.
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