脉冲磁场作用下矩形截面宽厚比对K4169高温合金晶粒细化的影响*
滕跃飞,李应举,冯小辉,杨院生()
EFFECT OF RECTANGLE ASPECT RATIO ON GRAIN REFINEMENT OF SUPERALLOY K4169 UNDER PULSED MAGNETIC FIELD
Yuefei TENG,Yingju LI,Xiaohui FENG,Yuansheng YANG()

图9. 第25 s时不同截面宽厚比下脉冲磁场在熔体中产生的流动矢量图

Fig.9. Fluid patterns under pulsed magnetic field in rectangular samples with aspect ratio of 1.0 (a), 2.0 (b), 4.5 (c) and 5.5 (d) at 25 s