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4 重力样品和微重力样品纵截面上的二次枝晶臂

Fig.4 Secondary dendrite arms on longitudinal sections of (a, c, e) 1g sample and (b, d, f) μg sample; location distance away from the melting interface (a, b) 1 mm, (c, d) 3 mm, (e, f) 5 mm