Abstract
The corrosion behavior of an iron-aluminum alloy with bcc structure and a composite of an iron-aluminum and a steel was studied in H2SO 4 solution. The corrosion resistance deteriorates with increasing aluminum content of an iron-aluminum alloy. XPS measurements showed a magnetite formation on the corroded surface and a preferential corrosion of iron. The corrosion resistance for the composite of an iron-aluminum alloy and a CrMo steel is comparable to that of a CrMo steel. This implies that a corrosion-resistant composite is achievable by controlling the aluminum content of the Fe-Al alloy without the additives.
| Original language | English |
|---|---|
| Pages (from-to) | 829-839 |
| Number of pages | 11 |
| Journal | Corrosion Science |
| Volume | 48 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2006 Apr 1 |
Keywords
- A. Alloy
- B. XPS
- C. Acid corrosion
- Intermetallics
- SEM
ASJC Scopus subject areas
- Chemistry(all)
- Chemical Engineering(all)
- Materials Science(all)
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Cite this
Masahashi, N., Kimura, G., Oku, M., Komatsu, K., Watanabe, S., & Hanada, S. (2006). Corrosion behavior of iron-aluminum alloys and its composite steel in sulfuric acid. Corrosion Science, 48(4), 829-839. https://doi.org/10.1016/j.corsci.2005.02.025