高温合金铸锭均匀化程度对开坯热变形的再结晶影响
董建新(
),李林翰,李浩宇,张麦仓,姚志浩
),李林翰,李浩宇,张麦仓,姚志浩
EFFECT OF EXTENT OF HOMOGENIZATION ON THE HOT DEFORMATION RECRYSTALLIZATION OF SUPERALLOY INGOT IN COGGING PROCESS
Jianxin DONG(),Linhan LI,Haoyu LI,Maicang ZHANG,Zhihao YAO
),Linhan LI,Haoyu LI,Maicang ZHANG,Zhihao YAO
图4. 不同均匀化处理后690合金裂纹扩展断口形貌
Fig.4. Fatigue fracture morphologies of 690 alloy under homogenization at 1150 ℃ for 60 h (a), 1180 ℃ for 30 h (b, c), and 1240 ℃ for 30 h (d)
