GH4720Li合金毫米级粗大晶粒热变形获得均匀等轴晶粒的可行性及工艺控制

刘超, 姚志浩, 江河, 董建新

The Feasibility and Process Control of Uniform Equiaxed Grains by Hot Deformation in GH4720Li Alloy with Millimeter-Level Coarse Grains

LIU Chao, YAO Zhihao, JIANG He, DONG Jianxin

图13 粗晶GH4720Li合金试样的热加工工艺控制范围

Fig.13 Hot deformation control range of coarse-grained GH4720Li alloy samples (URC—uncomplete recrystallization and cracking, URNC—uncomplete recrystallization and no cracking; light green indicates obvious grain growth in CRNC area)