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New insight on early oxidation stages of austenitic stainless steel from in situ XPS analysis on single-crystalline Fe–18Cr–13Ni.
- Source :
-
Corrosion Science . Aug2018, Vol. 140, p205-216. 12p. - Publication Year :
- 2018
-
Abstract
- In situ X-ray photoelectron spectroscopy real-time measurements and angular-dependent high resolution core level analysis were used for the first time to investigate the Cr enrichment and oxide growth mechanisms on a model 304 austenitic stainless steel surface in the very initial stages of oxidation leading to pre-passivation. The oxidation kinetics was followed for increasing oxygen exposure and temperature, revealing an early nucleation regime (for exposure <10 L) leading to the formation of a strongly Cr-enriched Cr 3+ /Fe 3+ mixed layer followed by an oxide growth regime where preferential iron oxidation takes over and mitigate the initial chromium enrichment. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0010938X
- Volume :
- 140
- Database :
- Academic Search Index
- Journal :
- Corrosion Science
- Publication Type :
- Academic Journal
- Accession number :
- 130601343
- Full Text :
- https://doi.org/10.1016/j.corsci.2018.06.001