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(
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EFFECT OF RECTANGLE ASPECT RATIO ON GRAIN REFINEMENT OF SUPERALLOY K4169 UNDER PULSED MAGNETIC FIELD
Yuefei TENG,Yingju LI,Xiaohui FENG,Yuansheng YANG()
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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
