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An electrochemical cell was designed to enable  in situ  atomic force microscopy (AFM) measurements. The finite‐element method was implemented using COMSOL Multiphysics to simulate the electrical field within the cell and to find the current and potential distribution. A comparative three‐dimensional simulation study was made to compare two different designs and to elucidate the importance of the geometry on the electrical field distribution. The design was optimized to reduce the uncertainty in the measurement of the electrochemical impedance. Then, an  in situ , simultaneous electrochemical and time‐resolved AFM experiments were conducted to study the surface evolution of the aluminum alloy AA2024‐T3 exposed to 0.5 M NaCl. The temporal change of the surface topography was recorded during the application of chrono‐amperometric pulses using a newly designed electrochemical cell. Electrochemical impedance spectroscopy was conducted on the sample to confirm the recorded topographical change. The newly developed cell made it possible to monitor the surface change and the growth of the oxyhydroxide layer on the AA2024‐T3 with the simultaneous application of electrochemical methods.

Time‐resolved in situ electrochemical atomic force microscopy imaging of the corrosion dynamics of AA2024‐T3 using a new design of cell