Oxidation behavior of Fe-20Cr-25Ni-Nb austenitic stainless steel in high-temperature environment with small amount of water vapor

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The oxidation behavior of a Fe-20Cr-25Ni-Nb austenitic stainless steel was investigated in an oxidizing environment at 1000 °C. Results show that an accelerated oxidation occurs after a transition point and some oxide nodules with two layers are formed on the steel surface. The oxidation of intergranular Fe2Nb phases can induce micro-cracks and promotes the formation of re-generated Cr2O3 phases. The formation and growth of the re-generated Cr2O3 phases are related to the cracking and spallation of the oxide scale, which result in the formation of these oxide nodules and the associative accelerated oxidation. © 2018 Elsevier Ltd
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2018-12
Language
English
Article Type
Article
Citation

CORROSION SCIENCE, v.145, pp.90 - 99

ISSN
0010-938X
DOI
10.1016/j.corsci.2018.09.016
URI
http://hdl.handle.net/10203/248242
Appears in Collection
NE-Journal Papers(저널논문)
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