Ni-Nb binary metallic glass was synthesized by the melt spinning technique with a tangential wheel rotation speed during cooling of 6 m/s obtaining a glassy matrix which was characterized by X-ray diffraction (XRD). Electrochemical properties were determined by electrochemical impedance spectroscopy (EIS). The results show that this metallic glass is very resistant to corrosion, being better when exposed to corrosive media with pH = 0 and 7 in chloride ions presence. However, at pH = 14 the passive film is not homogeneous, and the corrosion rate increases with respect to the other systems.
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