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Effect of interfacial reaction behaviour on the clogging of SEN in the continuous casting of bearing steel containing rare earth elements
Tian, Chen; Yu, Jingkun; Jin, Endong; Wen, Tianpeng; Jia, Danbin; Liu, Zhenli; Fu, Paixian; Yuan, Lei
2019-07-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume792Pages:1-7
AbstractThe problem of the clogging of submerged entry nozzle (SEN) in the continuous casting of bearing steel containing rare earth (RE) elements is studied in this paper. The composition, formation process, growth mode and cause of the clogging at the interface of the molten steel and the refractory of SEN were analysed in detail during the process of molten steel casting. The results showed that the graphite dissolution process on the inner wall of SEN can improve the wettability between the molten steel and the refractories, which provides convenient conditions for the reaction and adhesion of RE and its compounds on the inner wall of the SEN. Clogging compounds at different locations had different compositions. The main compositions at the interface between the molten steel and the refractories were consisting of cerium aluminate compounds, while the outer walls of the SEN mostly consisted of cerium sulfide compounds. With the growth of clogging, the laminar flow interface layer on the inner wall of the SEN will gradually increase, which further accelerates the clogging, and ultimately affects the continuous casting. Therefore, the prevention of clogging in the SEN of RE steel can be mainly carried out by inhibiting the formation of initial clogging in the early stages and by inhibiting the reaction of the SEN materials. (c) 2019 Published by Elsevier B.V.
KeywordRare earth steel Submerged entry nozzle Decarburization layer Clogging
Indexed BySCI
Language英语
WOS IDWOS:000467235800001
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80922
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Tian, Chen,Yu, Jingkun,Jin, Endong,et al. Effect of interfacial reaction behaviour on the clogging of SEN in the continuous casting of bearing steel containing rare earth elements[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,792:1-7.
APA Tian, Chen.,Yu, Jingkun.,Jin, Endong.,Wen, Tianpeng.,Jia, Danbin.,...&Yuan, Lei.(2019).Effect of interfacial reaction behaviour on the clogging of SEN in the continuous casting of bearing steel containing rare earth elements.JOURNAL OF ALLOYS AND COMPOUNDS,792,1-7.
MLA Tian, Chen,et al."Effect of interfacial reaction behaviour on the clogging of SEN in the continuous casting of bearing steel containing rare earth elements".JOURNAL OF ALLOYS AND COMPOUNDS 792(2019):1-7.
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