重力对镍基单晶高温合金枝晶生长和微观偏析的影响

孔亚非, 罗兴宏, 李洋, 刘实

Effect of Gravity on Dendrite Growth and Microsegregation of Ni-based Single Crystal Superalloy

KONG Yafei, LUO Xinghong, LI Yang, LIU Shi

图8 样品中轴线上的元素微观偏析系数

Fig.8 Microsegregation coefficient of elements along axial direction in 1g and μg sample (a) Al element，(b) Cr element，(c) Ta element and (d) W element