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Article Abstract
Alumina-forming austenitic steels (AFA steels) exhibit excellent creep resistance and oxidation capabilities, making them a strong candidate for cladding materials in lead-cooled fast reactors. This study investigates the corrosion resistance of Mn-containing AFA steels in lead-bismuth eutectic (LBE) at 550 °C with a controlled oxygen concentration of 10 wt.%. The results demonstrate that under these experimental conditions, the addition of Al enhances the material's resistance to lead-bismuth corrosion. Moreover, Mn incorporation significantly improves corrosion resistance, with the optimal composition being an AFA alloy containing 16 wt.% Ni, 12 wt.% Cr, 3 wt.% Al, and 4 wt.% Mn. Mn addition alters the type of oxide product formed on the alloy surface, shifting from FeO or (Fe, Cr)O to (Cr, Mn)O.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11943494 | PMC |
| http://dx.doi.org/10.3390/ma18061328 | DOI Listing |
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