Laboratory for Corrosion and Protection;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang 110016;
China;
University of ChineseAcademy of Sciences;
Beijing 100049;
China;
Analysis and Testing Department(Testing Center);
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang 110016;
China;
Carbon steel; Atmospheric corrosion; Corrosion products; Chloride ions;