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Reaction Mechanism of High-Temperature Corium Pool of Core
Xue Baoquan1,2,3; Yang Yaqian2,3; Liang Tian2,3; Chen Bo2,3; Ma Yingche2,3; Liu Kui2,3; Shan Hongyi4; Kang Taifeng4; Gu Peiwen5
Corresponding AuthorLiang Tian(tliang@imr.ac.cn)
2022-03-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume51Issue:3Pages:913-920
AbstractIn order to simulate the transient phenomenon of retention in high temperature core melt of nuclear power plant, the mixture of 50 kg ZrO2-Fe-Zr system was melted by electromagnetic induction in a cold crucible. The phase and element distribution of oxide layer, metal layer and oxide crust of solidified melt ingot were analyzed by XRD, SEM, EDS and so on. The results show that during the formation of the 50-kg-scale initial molten pool, the high temperature molten material is separated into a two-layer structure of metal layer and oxide layer due to gravity and incompatibility, and an oxidation crust is formed on and around the top of the molten pool. After that, due to the secondary feeding to form a three-layer molten pool with the top liquid metal, the top metal molten pool can gradually settle to the bottom of the molten pool by the oxide hard crust.
Keywordnuclear power safety severe accident in-vessel corium retention molten zirconia stratification mechanism
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000781210500021
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/172886
Collection中国科学院金属研究所
Corresponding AuthorLiang Tian
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
3.IMR NMSA, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
4.CNNC North Nucl Fuel Components Co Ltd, Baotou 014000, Peoples R China
5.Shanghai Nucl Engn Res & Design Inst Co Ltd, Shanghai 200233, Peoples R China
Recommended Citation
GB/T 7714
Xue Baoquan,Yang Yaqian,Liang Tian,et al. Reaction Mechanism of High-Temperature Corium Pool of Core[J]. RARE METAL MATERIALS AND ENGINEERING,2022,51(3):913-920.
APA Xue Baoquan.,Yang Yaqian.,Liang Tian.,Chen Bo.,Ma Yingche.,...&Gu Peiwen.(2022).Reaction Mechanism of High-Temperature Corium Pool of Core.RARE METAL MATERIALS AND ENGINEERING,51(3),913-920.
MLA Xue Baoquan,et al."Reaction Mechanism of High-Temperature Corium Pool of Core".RARE METAL MATERIALS AND ENGINEERING 51.3(2022):913-920.
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