用金相显微镜和X射线衍射研究了强磁场条件下Al-8%Ni合金中非铁磁性的Al3Ni析出相的凝固行为,发现强磁场诱导Al3Ni晶粒以c轴平行磁场方向取向,并且晶粒的长轴与c轴垂直;取向的晶粒在垂直磁场方向上形成多个相互平行的Al3Ni聚合面,即形成规则的Al3Ni层状组织;在层状聚合面中随机分布着多个大的Al3Ni聚合体,聚合体内部的晶粒有序排列.
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