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Effect of low frequency electromagnetic field on microstructures and macrosegregation of horizontal direct chill casting aluminum alloy ZHAO Zhi-hao(赵志浩), CUI Jian-zhong(崔建忠), DONG Jie(董 杰... of low frequency electromagnetic field on cast surface, microstructures and macrosegregation in horizontal direct chill(HDC) casting process were investigated experimentally. The cast surfaces......
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Numerical simulation of macrosegregation during solidification of binary alloysWu-Tao Tu,Hou-Fa Shen,Bai-Cheng LiuKey Laboratory for Advanced Materials Processing Technology,Ministry of Education, School of Materials Science and Engineering, Tsinghua University摘 要:Macrosegregation as a consequence of solidification of a binary Pb–48 wt% Sn alloy in two......
Numerical study of macrosegregation formation of ingot cast in normal sand mold and water-cooled sand moldDongrong LIU 1,2),Xiuhong KANG 1)*,Baoguang SANG 1) and Dianzhong LI 1) 1) Institute of Metal..." name="ChDivSummary">Formation of macrosegregation of 5 t steel ingots cast in sand molds with and without water-cooled copper tube is simulated by solving macroscopic mass,momentum,species and energy......
;宏观偏析Macrosegregation in squeeze-cast Al5Cu0.4Mn alloy based on Taguchi methodGAN Yao-qiang, ZHANG Da-tong, ZHANG Wei-wen, ZHANG Wen, LI Yuan-yuan(National Engineering Research Center of Near-Net... the effects of applied pressure(p), pouring temperature(Tp), die temperature(Td) and delay time(td) on the macrosegregation of Cu in the squeeze casting of Al5Cu0.4Mn alloy. And the level of macrosegregation......
A Numerical Study of the Effect of Multiple Pouring on Macrosegregation in a 438-Ton Steel IngotZhen-Hu Duan1,2,Hou-Fa Shen1,2,Bai-Cheng Liu1,21. Key Laboratory for Advanced Materials Processing... and a macrosegregation model were utilized to investigate the effects of the multiple pouring(MP) process on the macrosegregation in a 438-ton steel ingot. Firstly, the model was partially proved as compared......
Numerical simulation of macrosegregation in steel ingots using a two-phase modelWen-sheng Li, Hou-fa Shen, and Bai-cheng Liu The Key Laboratory of the Ministry of Education of China for Advanced... of macrosegregation formed during solidification is presented. This model incorporates the descriptions of heat transfer, melt convection, solute transport, and solid movement on the system scale......
Numerical Simulation of Macrosegregation Caused by Thermal–Solutal Convection and Solidification Shrinkage Using ALE ModelKang-Xin Chen,Hou-Fa ShenKey Laboratory for Advanced Materials Processing... as an important factor for macrosegregation formation. An arbitrary Lagrangian–Eulerian(ALE) model is constructed to predict the macrosegregation caused by thermal–solutal convection and solidi-fi cation......
2-Dimensional FEM modeling of macrosegregation in the directional solidification with mesh adaptation Weitao LIU1,Michel Bellet2,Hervé Combeau2,Changchuan XIE3 (1.Beijing Metallurgical Technology... of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China) Abstract:In order to improve the prediction accuracy of macrosegregation channel, an algorithm......
Simulation of macrosegregation in a 36-t steel ingot using a multiphase modelZhuo Chen,Hou-fa ShenKey Laboratory for Advanced Material Processing Technology, Ministry of Education, School of Material Science and Engineering, Tsinghua University摘 要:Macrosegregation is the major defect in large steel ingots caused by solute partitioning and melt......