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3. 不同宽厚比的K4169高温合金矩形截面试件在有无脉冲磁场作用下的凝固组织
Fig.3. Solidification microstructures of superalloy K4169 rectangular samples without (a, c, e, g) and with (b, d, f, h) pulsed magnetic field under aspect ratios of 1.0 (a, b), 2.0 (c, d), 4.5 (e, f) and 5.5 (g, h)
