Title | Mechanistic studies of atmospheric pitting corrosion of stainless steel for ILW containers |
Publication Type | Journal Article |
Year of Publication | 2014 |
Authors | Davenport, A.J., Guo L., Mi N., Mohammed-Ali H., Ghahari M., Street S.R., Laycock N.J., Rayment T., Reinhard C., Padovani C., and Krouse D.P. |
Journal | Corrosion Engineering Science and Technology |
Volume | 49 |
Issue | 6 |
Pagination | 514 - 520 |
Date Published | 2014 |
ISSN | 1478422X (ISSN) |
Keywords | Mechanistic studies, Stainless steel, X ray microtomography |
Abstract | Atmospheric pitting corrosion of stainless steel was examined with synchrotron X-ray microtomography, laboratory based tests and electrochemical measurements in order to provide a mechanistic basis for the development of corrosion prediction models. It was found that the morphology of corrosion pits was affected by the presence of residual ferrite, and some pits showed dense covers that may affect pit stability. Fluctuations in relative humidity may lead to partial or complete repassivation of pits, sometimes leading to the formation of new pits. Electrochemical measurements in artificial pits containing concentrated salt solutions show a strong dependence of the diffusion limited current density on chloride concentration. © 2014 Institute of Materials, Minerals and Mining. |
URL | http://www.scopus.com/inward/record.url?eid=2-s2.0-84906967930&partnerID=40&md5=af0bf80ed2980c9bfb89b10290e4b5f8 |
DOI | 10.1179/1743278214Y.0000000183 |