横向弱磁场对镍基高温合金发散双晶竞争生长行为的影响 |
谢信亮, 周丽萍, 余建波, 玄伟东, 陈超越, 王江, 任忠鸣 |
Effect of Weak Transverse Magnetic Field on the Competitive Grain Growth of Ni-Based Superalloy with Divergent Bi-Crystals |
XIE Xinliang, ZHOU Liping, YU Jianbo, XUAN Weidong, CHEN Chaoyue, WANG Jiang, REN Zhongming |
图7 当磁场强度为0.1 T,发散双晶按B-to-A方式摆放时,不同拉速下发散双晶纵截面和横截面组织 |
Fig.7 Longitudinal microstructures (a1-d1) and transversal microstructures at the position of 20 mm (a2-d2) from the directional solidification starting place of the divergent bi-crystals at various withdrawal rates under the magnetic field of 0.1 T with the bi-crystals placed in a B-to-A pattern (a1, a2) 0.5 mm/min (b1, b2) 1 mm/min (c1, c2) 1.5 mm/min (d1, d2) 3 mm/min |
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