Abstract The effects of electric field and bias voltage on corrosion behavior of tin under a thin electrolyte layer (TEL) were investigated by electrochemical and surface techniques. The results indicated that the order of the corrosion rate of tin under different electric fields with the same electric field gradient was as follows, square wave alternating current electric field (ACEF) > sinusoidal wave ACEF > direct current electric field (DCEF) > blank. Moreover, the corrosion rate of tin increased with increased direct current bias voltage under different electric fields. The contributions of electric field gradient and leakage current to the corrosion rate of tin were quantified under different electric fields with different bias voltages.
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