Oxidation behavior of high-strength FeCrAl alloys in a high-temperature supercritical carbon dioxide environment

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The oxidation behavior of three high-strength FeCrAl alloys was investigated in supercritical carbon dioxide environment at 650 °C. After exposure for 500 h, the weight gains of the FeCrAl alloys gradually decreased with increasing Al content. The oxide scales are primarily composed of α-Al2O3 and spinel oxides. With increasing Al content, the amount of α-Al2O3 increases and the C content decreased in the oxide scale and sub-scale matrix. Moreover, larger (Nb,Mo)C carbides formed in the sub-scale matrix and their number decreased with the increase of Al content.
Publisher
ELSEVIER SCIENCE INC
Issue Date
ACCEPT
Language
English
Article Type
Article
Citation

PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL, v.28, no.6, pp.731 - 739

ISSN
1002-0071
DOI
10.1016/j.pnsc.2018.11.004
URI
http://hdl.handle.net/10203/250075
Appears in Collection
NE-Journal Papers(저널논문)
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