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

被引:0
|
作者
Quanhui Li [1 ,2 ]
Peng Lan [3 ]
Haijie Wang [3 ]
Hongzhou Ai [3 ]
Deli Chen [4 ]
Haida Wang [5 ]
机构
[1] State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing
[2] Research Institute, Nanjing Iron and Steel Co., Ltd.
[3] School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing
[4] Technology Center, Fushun Special Steel Co., Ltd.
[5] Center of Technology & Quality, Jianlong Beiman Special Steel Co., Ltd.
基金
中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;
关键词
D O I
暂无
中图分类号
TF777 [连续铸钢、近终形铸造];
学科分类号
080602 ;
摘要
Hypo-peritectic steels are widely used in various industrial fields because of their high strength, high toughness, high processability,high weldability, and low material cost. However, surface defects are liable to occur during continuous casting, which includes depression, longitudinal cracks, deep oscillation marks, and severe level fluctuation with slag entrapment. The 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 solidification. This work reviews the definition and classification of hypo-peritectic steels and introduces the formation tendency of common surface defects related to peritectic solidification. New achievements in the mechanism of peritectic reaction and transformation have been listed. Finally, countermeasures to avoiding surface defects of hypo-peritectic steels duiring continuous casting are summarized. Enlightening 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.
引用
收藏
页码:2281 / 2296
页数:16
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