定向凝固糊状区枝晶粗化和二次臂迁移的实验和模拟
方辉1,薛桦1,汤倩玉1,张庆宇1,潘诗琰2,朱鸣芳1()
Dendrite Coarsening and Secondary Arm Migration in the Mushy Zone During Directional Solidification:
Hui FANG1,Hua XUE1,Qianyu TANG1,Qingyu ZHANG1,Shiyan PAN2,Mingfang ZHU1()

图4. SCN-2.0% ACE合金在Vp=7.8 μm/s、G=7和9 ℃/mm时,$\tilde{y}_{0}=0.94$位置的枝晶臂迁移速率随时间(t)变化的实验值和解析解比较

Fig.4. Comparisons of experimental measurements and analytical predictions regarding the average migration velocity varying with time (t) for a SCN-2.0%ACE alloy at Vp=7.8 μm/s, $\tilde{y}_{0}=0.94$, and G=7 and 9 ℃/mm (Lines: analytical solutions; symbols: experimental data)