Stability domain of alumina thermally grown on Fe-Cr-Al-based model alloys and modified surface layers exposed to oxygen-containing molten Pb
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- 作者：A. Jianua ; adrian.jianu@kit.edu" class="auth_mail" title="E-mail the corresponding author ; R. Fetzera ; A. Weisenburgera ; S. Doylea ; M. Brunsa ; A. Heinzela ; P. Hosemannb ; G. Muellera
- 关键词：FeCrAl-based alloy ; Modified surface layer ; Molten Pb ; Selective oxidation ; Alumina
- 刊名：Journal of Nuclear Materials
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：470
- 期：Complete
- 页码：68-75
- 全文大小：1871 K
文摘
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The oxidation behaviour of FeCrAl model alloys exposed to molten Pb (+O) was studied.
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An oxide map illustrating the stability domains of Al- and Fe-based oxides was drawn.
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Cr and Al minimum concentrations necessary to form alumina scale were defined.
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Two transient aluminas, κ and θ, were found to grow as protective oxide scale.
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The growth rate of θ-Al2O3 was found to be higher than that of κ-Al203.