Simulation of the continuous casting process in a mold of free-cutting steel 38MnVS based on a MiLE method  

作　　者：Fu-mingWang Yun-jin Xia Jin-long Wang Guo-zhong Li 

机构地区：[1]School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China [2]Key Lab of the Ministry of Education of China for Ecologic and Recycle Metallurgy, University of Science and Technology Beijing, Beijing 100083, China [3]Jiangyin Xingcheng Iron and Steel Co. Ltd., Jiangyin 214429, China

出　　处：《International Journal of Minerals,Metallurgy and Materials》2011年第5期562-569,共8页矿物冶金与材料学报（英文版）

基　　金：supported by the National Natural Science Foundation of China (No.50874007)

摘　　要：A new method called mixed Lagrangian and Eulerian （MiLE） method was used to simulate the continuous casting process in a mold of free-cutting steel 38MnVS.The simulation results are basically in agreement with experimental data in the literature,achieving the three-dimensional visualization of temperature distribution,melt flow,shell thickness,and stress distribution of blooms in a mold.It is shown that the flow velocity of steel melt becomes smaller gradually as the casting proceeds.When the flow reaches a certain depth,two types of flow patterns can be observed in the upper zone of the mold.The first flow pattern is to flow downwards,and the second one is to flow upwards to the meniscus.The corner temperature is higher,and the thickness is thinner than those in the mid-face.The effective stress in the corner area is much bigger than that in the mid-face,indicating that the corner area is the dangerous zone of cracking.A new method called mixed Lagrangian and Eulerian （MiLE） method was used to simulate the continuous casting process in a mold of free-cutting steel 38MnVS.The simulation results are basically in agreement with experimental data in the literature,achieving the three-dimensional visualization of temperature distribution,melt flow,shell thickness,and stress distribution of blooms in a mold.It is shown that the flow velocity of steel melt becomes smaller gradually as the casting proceeds.When the flow reaches a certain depth,two types of flow patterns can be observed in the upper zone of the mold.The first flow pattern is to flow downwards,and the second one is to flow upwards to the meniscus.The corner temperature is higher,and the thickness is thinner than those in the mid-face.The effective stress in the corner area is much bigger than that in the mid-face,indicating that the corner area is the dangerous zone of cracking.

关 键 词：free-cutting steel melt flow continuous casting computer simulation 

分 类 号：TP393.08[自动化与计算机技术—计算机应用技术] TF777[自动化与计算机技术—计算机科学与技术]