2 Passive Oxide Films on Iron by In-Situ Detection of Optical Techniques

Abstract

The present volume of Modern Aspects of Electrochemistry is the second in a two-volume set (No. 46 and 47) that covers important technological progress in recent years in the fields of electrochemical corrosion and materials engineering. The first chapter, by Macdonald, discusses electrochemical and corrosion phenomena of metals and alloys in supercritical aqueous media. The author reviews the corrosiveness of supercritical water oxidation (SCWO) media operating at temperatures up to 650 oC and at pressures of several hundred bars and the technical issues that need to be resolved for practical use of SCWO technology. The topics include the development of in-situ sensors for measuring pH and redox potential and the electrochemical polarization and corrosion studies in SCWO media.