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12. 不同均匀化程度GH4975合金样品热变形后再结晶EBSD像
Fig.12. EBSD images showing recrystallization of hot-deformed (1200 ℃, 50%, 0.1 s-1) GH4975 samples under different homogenizations at 1180 ℃ for 5 h (a), 10 h (b), 20 h (c) and 50 h (d)
