首页|Comparative study on interaction between rare earth oxide refractories and rare earth treated steel

Comparative study on interaction between rare earth oxide refractories and rare earth treated steel

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Refractories have an important effect on the cleanliness of molten steel.The interaction between CeAlO3 refractories and Ce treated steel was explored and compared with that between Al2O3 refractories and Ce treated steel.The results show that the Ce content in steel decreases sharply after contact with Al2O3 refractories and the pick-up of dissolved Al occurs.Compared with the test of Al2O3 refractories,the loss of Ce content is less in the test of CeAlO3 refractory,and the total oxygen content and dissolved Al content in steel increase less.The dense and continuous Ce2O2S interface layer is observed at the CeAlO3 refractories/steel interface,which can serve as the metallurgical isolation layer and hinder the further interaction between refractories and steel.Therefore,the higher steel cleanliness and less penetration of refractories by molten steel are obtained in the test of CeAlO3 refractories.The CeAlO3 refractories show a promising prospect in the production of clean Ce treated steel.

CeAlO3 refractorySteelCleanlinessInteractionRare earth

Ze Meng、Guang-qiang Li、Cheng Yuan、Yi-jiang Zhao、Qing Zheng、Bin Zeng、Yu Liu

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The State Key Laboratory of Refractories and Metallurgy,Wuhan University of Science and Technology,Wuhan 430081,Hubei,China

Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education,Wuhan University of Science and Technology,Wuhan 430081,Hubei,China

Hubei Provincial Key Laboratory for New Processes of Ironmaking and Steelmaking,Wuhan University of Science and Technology,Wuhan 430081,Hubei,China

Technical Center,Lianyuan Iron and Steel Co.,Ltd.,Loudi 417009,Hunan,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaProject of Hubei Provincial Department of Science and TechnologyProject of Hubei Provincial Department of Science and TechnologyChina Postdoctoral Science FoundationChina Postdoctoral Science FoundationYoung Elite Scientists Sponsorship Program by CAST

U1860205520041892022BAA0212022CFB0512022M7211092023T1602102022QNRC001

2024

10.1007/s42243-023-01123-z

钢铁研究学报(英文版)
钢铁研究总院

钢铁研究学报(英文版)

CSTPCD
影响因子：0.584
ISSN：1006-706X
年,卷(期)：2024.31(6)