Supervisor of the thesis entitled »Automated Localized Electrochemical Characterization (ALEC) as a new investigation method to study localized corrosion of steel« was Prof. Dr. Ueli Angst, ETHZ. Members of the Committee were also Dr. Patrick Schmutz, EMPA, and Dr. Stefano Mischler, EPFL. In the afternoon Prof. Legat held at the Institute for Building Materials, which is part of ETHZ, a lecture entitled »Monitoring and characterization of stress-corrosion cracking processes under various conditions«.