In Steam Short-Time Oxidation Kinetics of FeCrAl Alloys |
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| Authors: | Dong Pan Ruiqian Zhang Haijun Wang Yu Xu Hui Wang |
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| Affiliation: | 1.Science and Technology on Reactor Fuel and Materials Laboratory,Nuclear Power Institute of China,Chengdu,China;2.School of Materials Science and Engineering,Southwest University of Science and Technology,Minyan,China;3.Nuclear Power Institute of China,Chengdu,China |
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| Abstract: | In order to investigate the oxidation process of FeCrAl alloy developed by NPIC under simulated LOCA conditions, three experimental groups of alloys were exposed to the steam atmosphere and heated to test temperature (550, 1000, and 1200 °C), respectively, and then maintained at the temperature for 4 hours. The oxidation kinetics of alloys were obtained with a high-precision synchronous thermal analyzer, and the oxide film was investigated by XPS, XRD, and SEM technologies. The results showed that the FeCrAl alloy still retains good oxidation resistance under 1200 °C steam atmosphere. The oxidation process of alloy at 1200 °C can be described into six stages. |
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