Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1470838 | Corrosion Science | 2010 | 7 Pages |
Abstract
We applied shadowgraphy and Mach–Zehnder interferometry to investigate concentration field of Zn2+ above a Zn/steel couple in 0.01 M NaCl. During galvanic corrosion, the marked changes in the concentration of Zn2+ were visualized in a thin solution layer less than 0.5 mm thick above zinc. The concentration profile of Zn2+ was also obtained by analyzing the deflection of interference fringes. The obtained concentration profile was in good agreement with that obtained by our group with a scanning probe technique. The formation of zinc corrosion products was also visualized, which occurring on the steel surface a certain distance away from zinc.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Eiji Tada, Hiroyuki Kaneko,