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14. 不同均匀化程度GH4738合金试样在1150 ℃下以0.1 s-1变形量30%热变形的真应力-真应变曲线
Fig.14. True stress-true strain curves of hot compressed (1150 ℃, 0.1 s-1, 30%) GH4738 alloy under different homogenizations
