真空自耗电弧熔炼铸锭凝固行为多尺度模拟研究进展

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)