纵向静磁场下单晶高温合金定向凝固籽晶回熔界面杂晶的形成与演化

苏震奇, 张丛江, 袁笑坦, 胡兴金, 芦可可, 任维丽, 丁彪, 郑天祥, 沈喆, 钟云波, 王晖, 王秋良

Formation and Evolution of Stray Grains on Remelted Interface in the Seed Crystal During the Directional Solidification of Single-Crystal Superalloys Assisted by Vertical Static Magnetic Field

SU Zhenqi, ZHANG Congjiang, YUAN Xiaotan, HU Xingjin, LU Keke, REN Weili, DING Biao, ZHENG Tianxiang, SHEN Zhe, ZHONG Yunbo, WANG Hui, WANG Qiuliang

图14 反常淘汰的汇聚型双晶模型中枝晶前沿溶质富集层相互作用示意图

Fig.14 Schematics of solute-enrichment-layer interaction in dendrite front in unusual overgrowth of converging bi-crystal model (Different color curves represent the isoconcentration contour) (a) converging type shown in Fig.13a2 (b) converging type shown in Fig.13a3