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1 GH4720Li合金细晶样品和粗晶样品的晶粒组织
Fig.1 SEM image of fine-grained GH4720Li alloy sample (a) and OM image of coarse-grained GH4720Li alloy sample (b)