2018 Volume 67 Issue 3 Pages 103-108
Scanning vibrating electrode technique （SVET） system is applied to measure corrosion current density distributions around metal electrode. In this report, the basic characteristics of SVET and application examples of it are explained. Because the identification sensitivity and the resolution of the system are affected by the measurement conditions including height of sensor probe from the specimen surface, h, vibration frequency, f, and conductivity of the test solution, κ, those conditions must be arranged in considerations of the target for measurement, corrosion rate, locations of anodes/cathodes, and so on. However, recently, image processing techniques and detection techniques of the microsignals are being developed, the SVET system will be established as an useful tool for corrosion measurement.
