As-Cast Microstructure Characteristic and Homogenization of a Newly Developed Hard-Deformed Ni-Based Superalloy GH4975
XIANG Xuemei, JIANG He(), DONG Jianxin, YAO Zhihao
图6. 铸态GH4975热压缩试样中裂纹沿共晶相和粗大γ′相扩展
Fig.6. Cracks propagated along the eutectic phase and primary coarse γ′ phase (a) and cracks propagated along the primary coarse γ′ phase (b) in as-cast GH4975 samples after hot deformation (1160 ℃, 30%, 0.1 s-1)