Skip to main navigation Skip to search Skip to main content

Corrosion behavior of an alumina forming austenitic steel exposed to supercritical carbon dioxide

  • Ling Feng He
  • , Paul Roman
  • , Bin Leng
  • , Kumar Sridharan
  • , Mark Anderson
  • , Todd R. Allen

Research output: Contribution to journal › Article › peer-review

122 Scopus citations

Abstract

Microstructure characterization of corrosion behavior of an alumina forming austenitic (AFA) steel exposed to supercritical carbon dioxide was conducted at 450-650°C and 20MPa. At low temperature and short exposure times, the oxidation kinetics were parabolic and the oxide scales were mainly composed of protective and continuous Al2O3 and (Cr, Mn)-rich oxide layers. As the temperature and exposure time increased, the AFA steel gradually suffered breakaway oxidation and its oxide scales showed a multilayer structure mainly composed of Fe3O4, (Cr, Fe)3O4, NiFe/FeCr2O4/Cr2O3/Al2O3, FeCr2O4/Al2O3, and NiFe/Cr2O3/Al2O3, in sequence. The corrosion mechanism based on the microstructure evolution is discussed in detail.

Original languageEnglish
Pages (from-to)67-76
Number of pages10
JournalCorrosion Science
Volume82
DOIs
StatePublished - May 2014

Keywords

  • A. Stainless steels
  • B. SEM
  • B. STEM
  • C. Carburization
  • C. High temperature corrosion
  • C. Oxidation

Fingerprint

Dive into the research topics of 'Corrosion behavior of an alumina forming austenitic steel exposed to supercritical carbon dioxide'. Together they form a unique fingerprint.

Cite this