The effect of cobalt addition on the corrosion behavior of near equiatomic NiTi shape memory alloy in normal saline solution, impedance and microscopic studies

The electrochemical and corrosion (uniform and localized) behavior of a binary Ni52Ti48 shape memory alloy (SMA) and two ternary Ni52Ti48-xCox (x = 1.5 and 4.0 wt.%) SMAs were studied. Measurements were conducted in 0.9% NaCl solution at 37 oC. This dataset contains the results of electrochemical impedance spectroscopy (EIS) studies done on daily basis throughout the exposure duration, and scanning electron microscopy (SEM) micrographs performed before and after the exposure. The samples are labeled with different % value: 0, 0.5, 1.5 and 4, indicating the amount of Co in the alloy. Detailed information on the study parameters are to be found in article DOI: 10.1039/C8RA02031K