真空自耗电弧熔炼铸锭凝固行为多尺度模拟研究进展

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李俊杰, 李盼悦, 黄立清, 郭杰, 吴京洋, 樊凯, 王锦程

Progress in Multiscale Simulation of Solidification Behavior in Vacuum Arc Remelted Ingot

LI Junjie, LI Panyue, HUANG Liqing, GUO Jie, WU Jingyang, FAN Kai, WANG Jincheng

图7 热浮力以及自感Lorentz力驱动流动下的宏观偏析模式^[57,58]

Fig.7 Macrosegregation in VAR ingots under various flow patterns
(a, b) simulation results of Ti-5.1%V in the condition of buoyancy driven flow (a) and self-induced Lorentz driven flow (b)^[58] (c—actual composition,

$\bar{c}$

—norminal composition) (c, d) schematic representations of the simulated results for Ti-10-2-3 alloy in the condition of buoyancy driven flow (c) and self-induced Lorentz driven flow (d)^[57] (1: Fe enriched, 2: close to average alloy composition, 3: Fe depleted)