Journal
CORROSION SCIENCE
Volume 94, Issue -, Pages 459-465Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2015.02.027
Keywords
Alloy; TEM; XPS; Reactor conditions; High-temperature corrosion; Oxidation
Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIP) [2012M2A8A5000702]
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The oxidation behaviour of the FeCrAl alloy under normal operating conditions of a light water reactor is reported. In a comparative study, Zr-based and FeCrAl alloy samples were corroded in pressurized 360 degrees C water for up to 500 days or oxidized at 1200 degrees C for 3000 s in a steam environment. Compared to Zr-based alloys, the FeCrAl alloy showed extremely low weight change after both tests. The microstructure of the oxides formed on FeCrAl alloys was characterized by various analysing techniques. It was concluded that depending on the test conditions, mostly different oxide phases of alpha-Fe2O3 and alpha-Al2O3 were formed. (C) 2015 Elsevier Ltd. All rights reserved.
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