工艺参数对电磁冷坩埚定向凝固Nb-Si基合金固液界面的影响

燕云程, 丁宏升, 宋尽霞, 康永旺, 陈瑞润, 郭景杰

EFFECT OF PROCESSING PARAMETERS ON SOLID-LIQUID INTERFACE OF Nb-Si BASE ALLOY FABRICATED BY ELECTROMAGNETIC COLD CRUCIBLE DIRECTIONAL SOLIDIFICATION

YAN Yuncheng, DING Hongsheng, SONG Jinxia, KANG Yongwang, CHEN Ruirun, GUO Jingjie

表1 正交实验水平因素表L9 (33)

Table 1 Level factor table of orthogonal test L9 (33)

Level Heating power P / kW Withdrawal rate v / (mm·min-1) Holding time t / min 1 45 0.4 3 2 50 0.8 6 3 55 1.4 9