Flow Accelerated Corrosion Behavior of CANDU Feeder Piping Characterized by High Temperature Rotating Cylinder Electrode

To test the flow accelerated corrosion in nuclear power plant environment with ease, High Temperature Rotating Cylinder Electrode (HTRCE) was developed. The main design concept of HTRCE is to assure stable operation of working electrode up to highest possible rotation speed in a severe environment, to insulate electrode housing except working electrode surface against external fluid, and to extract corrosion parameter from the rotating cylinder to outside of the autoclave safely. From the results of corrosion experiment at high temperature water, HTRCE has been proved as an effective device to evaluate the velocity sensitivity in high temperature water environment.