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11. 不同均匀化程度的GH4975合金在1200 ℃、压缩量50%、应变速率0.1 s-1热变形的真应力-真应变曲线及铸态和均匀化态试样的宏观形貌
Fig.11. True stress-true strain curves of hot-deformed (1200 ℃, 50%, 0.1 s-1) GH4975 alloy under different homogenizations (Insets show the macro-morphologies of as-cast and homogenized samples)
