Theoretical and experimental analysis of selective oxide and nitride formation in Fe-Al alloys

J. H. Bott, H. Yin, S. Sridhar, M. Auinger

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Selective oxidation experiments of four iron-aluminum model alloys, containing 1-8. wt.% Al, at temperatures up to 1285. °C have been performed. The total corrosion depth and composition of formed nitride and oxide phases have been analyzed by means of SEM/EDX and XRD. Experimental findings and the interplay between formed oxide and nitride phases were compared to theoretical predictions from numerical simulations and critically discussed. Conditions for the formation of a continuous oxide band underneath the sample surface will be highlighted, which represent a critical parameter window in industrial processes that may lead to severe mechanical damage during rolling.

Original languageEnglish (US)
Pages (from-to)37-45
Number of pages9
JournalCorrosion Science
Volume91
DOIs
StatePublished - Feb 1 2015
Externally publishedYes

Keywords

  • A. Alloy
  • B. Modelling studies
  • C. High temperature corrosion
  • C. Internal oxidation
  • C. Selective oxidation

ASJC Scopus subject areas

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

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