Corrosion Behavior of Cold Worked Copper Wire in Alkaline Media with Presence of Chloride Ions (original) (raw)

Abstract

The corrosion behavior of copper was investigated by a constant sweep rate (0.01 V/s) and in different corrosion media (1 M Na2CO3 water solution without and with the presence of chloride ions). Copper wire produced by dip-forming method was cold worked to the deformation degrees of 83 %, 87 %, 91 %, 95 % and 99 %. Electrochemical potentiodynamic method was used to investigate corrosion behavior of these wires in alkaline solutions. Open circuit potentials as well as peak potentials are given as a function of deformation degree in both the Na2CO3 pure solution and solutions containing chloride ions.

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