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Mechanism of oscillation mark Formation in Continuous Casting of Steel

International Journal of Minerals,Metallurgy and Materials 2000年第3期14卷 189-192页

作者： Kaitao Bo, Guoguang Cheng, Jie Wu, Pei Zhao, Jun Wang (Metallurgy School, University of Science and Technology, Beijing, Beijing 100083, China) Metallurgy School University of Science and Technology Beijing Beijing 100083 China

A new mechanism of oscillation mark formation has been suggested based on the deep investigation of meniscus behavior in continuous casting of steel. It's confirmed that the meniscus form is important to oscillation mark formation. The factors related to the formation of oscillation mark are discussed in detail. The longer the solid shell existed at the root of meniscus and the smaller the contact angle between meniscus and mold wall, the deeper the oscillation mark.

关键词： continuous casting oscillation mark meniscus

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Formation and control of the surface defect in hypo-peritectic steel during continuous casting:A review

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International Journal of Minerals,Metallurgy and Materials 2023年第12期30卷 2281-2296页

作者： Quanhui Li Peng Lan Haijie Wang Hongzhou Ai Deli Chen Haida Wang State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China Research Institute Nanjing Iron and Steel Co.Ltd.Nanjing 210044China School of Metallurgical and Ecological Engineering University of Science and Technology BeijingBeijing 100083China Technology Center Fushun Special Steel Co.Ltd.Fushun 113001China Center of Technology&Quality Jianlong Beiman Special Steel Co.Ltd.Qiqihar 161041China

Hypo-peritectic steels are widely used in various industrial fields because of their high strength,high toughness,high processability,high weldability,and low material ***,surface defects are liable to occur during continuous casting,which includes depression,longitudinal cracks,deep oscillation marks,and severe level fluctuation with slag *** high-efficiency production of hypo-peritectic steels by continuous casting is still a great challenge due to the limited understanding of the mechanism of peritectic *** work reviews the definition and classification of hypo-peritectic steels and introduces the formation tendency of common surface defects related to peritectic *** achievements in the mechanism of peritectic reaction and transformation have been ***,countermeasures to avoiding surface defects of hypo-peritectic steels duiring continuous casting are *** certain points in the continuous casting of hypo-peritectic steels and the development of new techniques to overcome the present problems will be a great aid to researchers.

关键词： hypo-peritectic steel continuous casting surface defect massive transformation grain coarsening depression longitudinal crack level fluctuation oscillation mark

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The Research on Soft-Contacting Electromagnetic Continuous Casting in Baosteel

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Journal of Iron and Steel Research International 2012年第S1期19卷 46-49页

作者： HOU Xiao-guang ZHANG Yong-jie WANG En-gang HE Ji-cheng Northeastern University Baoshan Iron and Steel Co. Ltd.

The paper introduces the research and new development on soft-contacting electromagnetic continuous casting in *** the year of 2008,Baosteel successfully completed the carbon steel SCEMCC industrial experiment in a 6-strand curved type round billet *** the year of 2011,Baosteel selected another 3-strand curved billet caster. Baosteel successfully developed the SCEMCC mold for the first time to do the industrial production experiment for stainless steel round billet continuous ***,in the same stainless steel caster,the square billet SCEMCC mold was successfully developed *** at the beginning of the year 2012,the square billet SCEMCC of SUS304 and SUS303Cu was implemented up to *** was proved the machine system was reliable for the long time *** industrial experimental result shows the soft-contacting electromagnetic continuous casting can reduce the depth of oscillation mark from about 0.7mm to near *** SCEMCC billets without surface grinding were transferred to mill tubes,of which the quality is satisfied.

关键词： continuous casting oscillation mark EMC soft-contacting electromagnetic casting

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