Corrosion behaviour of Al-added high Mn austenitic steels in molten lead bismuth eutectic with saturated and low oxygen concentrations at 450 ℃

Haoran Wang, Hao Yu, Sosuke Kondo, Nariaki Okubo, Ryuta Kasada

Research output: Contribution to journalArticle

Abstract

Corrosion tests were performed on newly developed alumina-forming austenitic (AFA) steels in stagnant lead bismuth eutectic (LBE) with saturated and low oxygen concentrations at 450 ℃ for 430 h. The steels exhibited enhanced corrosion resistance to the LBE environments with the increasing of Al content. A continuous and protective Al-rich oxide scale formed on the steel specimens that were exposed to LBE with a low oxygen concentration, whereas a non-protective and stratified oxide scale formed in the oxygen saturated LBE.

Original languageEnglish
Article number108864
JournalCorrosion Science
Volume175
DOIs
Publication statusPublished - 2020 Oct

Keywords

  • A. Steel
  • B. EPMA
  • B. XRD
  • C. Alumina
  • C. Lead-bismuth eutectic (LBE)
  • C. Oxygen concentration

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)

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