Corrosion Morphologies and Products of Copper Immersed in Dimethyl Sulfite Hydrolysis Solution

Abstract

The corrosion products and morphologies of copper when immersed in the dimethyl sulfite hydrolysis solution for half a month in a sealed container were investigated by optical microscopy (OM), X-ray diffraction (XRD), scanning electron microscopy (SEM). The Cu2O phase could be identified in the corrosion products. Two typical corrosion morphologies could be found in the SEM image, namely corrosion pits and cracks. This observation provided better understanding of the corrosion behaviors of copper in dimethyl sulfite hydrolysis solution.