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7. GH4975合金1180 ℃均匀化过程中的枝晶形貌演化
Fig.7. Evolutions of dendritic morphology of GH4975 alloy during homogenization at 1180 ℃ for 5 h (a), 10 h (b), 20 h (c) and 50 h (d)
