难变形高温合金GH4975的铸态组织及均匀化
向雪梅, 江河(
), 董建新, 姚志浩
), 董建新, 姚志浩
As-Cast Microstructure Characteristic and Homogenization of a Newly Developed Hard-Deformed Ni-Based Superalloy GH4975
XIANG Xuemei, JIANG He(), DONG Jianxin, YAO Zhihao
), DONG Jianxin, YAO Zhihao
图10. GH4975合金1180 ℃、10 h均匀化后碳化物形貌
Fig.10. Low (a) and locally high (b) magnification SEM images of MC carbide in the GH4975 samples after homogenized at 1180 ℃ for 10 h (1—fine γ′ phase region, 2—cubic shape γ′ phase in the interdendritic region, 3—spherical shape γ′ phase in the dendritic core region)
