CorroZoom webinar with Sanna Virtanen
CorroZoom Webinar by Sanna Virtanen
Recently developed respirometric techniques that allow in situ real-time monitoring of corrosion will be presented. The respirometric approach is based on real-time measurement of the rate of cathodic reactions, for instance, simultaneous measurement of the cathodic kinetics of the H2 evolution reaction (HER) and the O2 reduction reaction (ORR). The non-destructive methods enable the determination of real-time corrosion rates for both atmospheric corrosion and immersion. Monitoring of H2-type corrosion can be carried out gravimetrically but also based on pressure increase in a hermetically closed chamber. For ORR, gravimetric measurements, a pressure sensor, or a fiber optic O2 sensor are employed to monitor the rate of consumption of O2 gas under immersion or atmospheric corrosion.
Speakers
Sanna Virtanen is a professor for Corrosion and Surface Science at the Department of Materials Science and Engineering of the Friedrich-Alexander University Erlangen-Nürnberg in Germany. She studied Materials Science at the Helsinki University of Technology, Finland, and then carried out her PhD studies in the Department of Materials at the Swiss Federal Institute of Technology, Zurich. She carried out postdoctoral research at Brookhaven National Laboratory and McMaster University. She was an assistant professor at ETH-Zurich, before joining the Department of Materials Science in Erlangen. Her research targets the elucidation of corrosion and degradation mechanisms of advanced metallic materials as well as the development of techniques for studying the reactive solid/liquid and solid/gas interfaces. Her research interests include microstructure/chemistry effects on passivity and its breakdown, corrosion behavior of light alloys, and corrosion of metallic biomedical implant materials.