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8. 不包含熔化效应的CA模型模拟的SCN-2.0%ACE合金在G=9 ℃/mm条件下保温不同时间后的枝晶形貌

Fig.8. Simulated dendrite microstructures using CA model without melting for a SCN-2.0%ACE alloy at G=9 ℃/mm for the holding time of 20 s (a) and 40 s (b) (Boxes 1~3 are corresponding to the locations in Fig.7)