Surface Corrosion Kinetics of the Solid Lead, Tin and Their Alloys

The corrosion velocities of the cold-rolling strips of Pb, Sn and their alloys were investigated by the use of methods of the weight increase and AES longitudinal spattering. The parabolic relations of the corrosion velocity for the lead were obtained under the room temperature and atmosphere, of dryheating air 155℃ or water vapor at 100℃. Similar relations for Tin and Pb-Sn alloys were obtained in the atmosphere of watar vapour at 100℃. At the sametime the data on the thickness of the corrosion layers of the alloys and the metals in the dry-heating air at 155℃ for 288 h and in the atmosphere at the room temperature for two and a half years were also obtained.