Corrosion behavior of ferritic ODS steel prepared by adding YH2 nanoparticles in supercritical water at 600 °C
Corrosion behavior of ferritic ODS steel prepared by adding YH2 nanoparticles in supercritical water at 600 °C作者机构：Laboratory of Aerospace Materials and Performance (Ministry of Education) School of Materials Science and Engineering Beihang University School of Nuclear Science and Engineering Shanghai Jiao Tong University
出 版 物：《Progress in Natural Science:Materials International》 (自然科学进展·国际材料(英文))
年 卷 期：2018年第28卷第4期
页 面：505-509页
核心收录：
学科分类：080503[工学-材料加工工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）]
基 金：support of this work by the Joint Fund of the National Natural Science Foundation of China and Baosteel Group Corporation (No. U1560106) the Aeronautical Science Foundation of China (No. 2016ZF51050) the Scientific Research Foundation for the Returned Overseas Chinese Scholars (State Education Ministry)
主 题：Supercritical water ODS steel Corrosion behavior Microstructure
摘 要：The corrosion behavior of the ferritic oxide dispersion strengthened(ODS)steel(14Cr-3Al-2W-0.1Ti)prepared by adding YH2nanoparticles(NPs)was investigated in supercritical water(SCW)at 600°C for 1500 *** mass gain of the ODS steel(215.5 mg/dm~2)was lower than that of SUS430 steel(357.2 mg/dm~2).A dual oxide layer generated on the surface of ODS steel after corrosion in *** outer layer was composed of Fe2O3and Fe3O4,while the inner layer composed of the spinel-type FeCr2O4together with *** generation of Y2Ti2O7NPs in the ODS steel by adding YH2NPs prohibits the formation of Y-Al-O particles and leaves more Al available to form a continuous protective oxide scale to improve the corrosion ***,the Y2Ti2O7NPs act as efficient barriers to suppress the outward diffusion of metal *** novel ODS steel shows potential applications in supercritical water.
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