Corrosion behaviour of stainless steels in flowing LBE at low and high oxygen concentration

A. Aiello, M. Azzati, G. Benamati, A. Gessi, B. Long, G. Scaddozzo

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Abstract

The corrosion behaviours of austenitic steel AISI 316L and martensitic steel T91 were investigated in flowing lead-bismuth eutectic (LBE) at 400°C. The tests were performed in the LECOR and CHEOPE III loops, which stood for the low oxygen concentration and high oxygen concentration in LBE, respectively. The results obtained shows that steels were affected by dissolution at the condition of low oxygen concentration (C[O2]= 10-8-10-10wt%) and were oxidized at the condition of high oxygen concentration (C[O2]= 10-5-10-6wt%). The oxide layers detected are able to protect the steels from dissolution in LBE. Under the test condition adopted, the austenitic steel behaved more resistant to corrosion induced by LBE than the martensitic steel. © 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)169 - 173
Number of pages5
JournalJournal of Nuclear Materials
Volume335
Issue number2 SPEC. ISS.
DOIs
Publication statusPublished - 1 Nov 2004
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

Cite this

Aiello, A., Azzati, M., Benamati, G., Gessi, A., Long, B., & Scaddozzo, G. (2004). Corrosion behaviour of stainless steels in flowing LBE at low and high oxygen concentration. Journal of Nuclear Materials, 335(2 SPEC. ISS.), 169 - 173. https://doi.org/10.1016/j.jnucmat.2004.07.011