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Title: High-temperature oxidation of advanced FeCrNi alloy in steam environments

Alloys of iron-chromium-nickel are being explored as alternative cladding materials to improve safety margins under severe accident conditions. Here, our research focuses on non-destructively investigating the oxidation behavior of the FeCrNi alloy “Alloy 33” using synchrotron-based methods. The evolution and structure of oxide layer formed in steam environments were characterized using X-ray diffraction, hard X-ray photoelectron spectroscopy, X-ray fluorescence methods and scanning electron microscopy. In conclusion, our results demonstrate that a compact and continuous oxide scale was formed consisting of two layers, chromium oxide and spinel phase (FeCr 2O 4) oxides, wherein the concentration of the FeCr 2O 4 phase decreased from the surface to the bulk-oxide interface.
Authors:
 [1] ;  [1] ;  [2] ;  [2] ;  [2] ;  [3] ;  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Nuclear Science and Technology Department
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
  3. General Electric Global Research, General Electric (United States)
Publication Date:
Report Number(s):
BNL-114078-2017-JA
Journal ID: ISSN 0169-4332
Grant/Contract Number:
SC0012704; AC02-98CH10886
Type:
Accepted Manuscript
Journal Name:
Applied Surface Science
Additional Journal Information:
Journal Volume: 426; Journal ID: ISSN 0169-4332
Publisher:
Elsevier
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; FeCrNi alloy; Alloy 33; Steam oxidation; XRD; HAXPES; XRF; SEM
OSTI Identifier:
1376139

Elbakhshwan, Mohamed S., Gill, Simerjeet K., Rumaiz, Abdul K., Bai, Jianming, Ghose, Sanjit, Rebak, Raul B., and Ecker, Lynne E.. High-temperature oxidation of advanced FeCrNi alloy in steam environments. United States: N. p., Web. doi:10.1016/j.apsusc.2017.06.318.
Elbakhshwan, Mohamed S., Gill, Simerjeet K., Rumaiz, Abdul K., Bai, Jianming, Ghose, Sanjit, Rebak, Raul B., & Ecker, Lynne E.. High-temperature oxidation of advanced FeCrNi alloy in steam environments. United States. doi:10.1016/j.apsusc.2017.06.318.
Elbakhshwan, Mohamed S., Gill, Simerjeet K., Rumaiz, Abdul K., Bai, Jianming, Ghose, Sanjit, Rebak, Raul B., and Ecker, Lynne E.. 2017. "High-temperature oxidation of advanced FeCrNi alloy in steam environments". United States. doi:10.1016/j.apsusc.2017.06.318. https://www.osti.gov/servlets/purl/1376139.
@article{osti_1376139,
title = {High-temperature oxidation of advanced FeCrNi alloy in steam environments},
author = {Elbakhshwan, Mohamed S. and Gill, Simerjeet K. and Rumaiz, Abdul K. and Bai, Jianming and Ghose, Sanjit and Rebak, Raul B. and Ecker, Lynne E.},
abstractNote = {Alloys of iron-chromium-nickel are being explored as alternative cladding materials to improve safety margins under severe accident conditions. Here, our research focuses on non-destructively investigating the oxidation behavior of the FeCrNi alloy “Alloy 33” using synchrotron-based methods. The evolution and structure of oxide layer formed in steam environments were characterized using X-ray diffraction, hard X-ray photoelectron spectroscopy, X-ray fluorescence methods and scanning electron microscopy. In conclusion, our results demonstrate that a compact and continuous oxide scale was formed consisting of two layers, chromium oxide and spinel phase (FeCr2O4) oxides, wherein the concentration of the FeCr2O4 phase decreased from the surface to the bulk-oxide interface.},
doi = {10.1016/j.apsusc.2017.06.318},
journal = {Applied Surface Science},
number = ,
volume = 426,
place = {United States},
year = {2017},
month = {7}
}