Mold Simulator Technique-A Key Way to Study Initial Solidification of Molten Steel during Continuous Casting

摘要：

　　As the initial solidification of molten steel in the mold determines surface and internal quality of the final slab,the studies on the thermodynamics in the mold during the initial solidification has been conducted extensively.However,the nature of the high transient and fluid flow in the upper mold tends to limit the effective study inside the mold.Based on the recent developed mold simulator technology,a novel technique has been successfully developed to study the initial solidification behavior of molten steel,which gives rise to the clear understanding of the inter-relationship between complex meniscus heat transfer,in-mold temperature distribution,mold flux infiltration,mold flux structure,and casting surface profiles.The results suggested that the cast surface profiles are dependent upon the variations of the responding temperatures and heat flux at meniscus,which are associated with the movement of mold in/out of the bath,the infiltration of mold flux,the mold flux properties and the latent heat release during the initial solidification.Heat flux across the mold was calculated by 2D-IHCP,and was then subjected to further PSD analysis.

关键词： mold simulator initial solidification mold flux continuous casting

作者: Haihui ZHANG Wanlin WANG Lejun ZHOU

作者单位: School of Metallurgy and Environment,Central South University,Changsha 410083,Hunan,China

会议类型: 国际会议

会议名称: the 6th International Congress on the Science and Technology of Steelmaking,ICS2015(第六届国际炼钢科技大会)

会议地点: 北京

会议语种:英文

页码: 391-394

在线出版日期: 2015-05-12（万方平台首次上网日期，不代表论文的发表时间）