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3 重力样品和微重力样品的横截面枝晶形貌

Fig.3 Morphology of dendrites on transverse 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