直接包套轧制铸态Ti-46Al-8Nb合金的组织特征及热变形机制
李天瑞1, 刘国怀1(
), 于少霞2, 王文娟2, 张风奕2, 彭全义2, 王昭东1
), 于少霞2, 王文娟2, 张风奕2, 彭全义2, 王昭东1
Microstructure Evolution and Deformation Mechanisms by Direct Hot-Pack Rolling for As-Cast Ti-46Al-8Nb Alloys
LI Tianrui1, LIU Guohuai1(), YU Shaoxia2, WANG Wenjuan2, ZHANG Fengyi2, PENG Quanyi2, WANG Zhaodong1
), YU Shaoxia2, WANG Wenjuan2, ZHANG Fengyi2, PENG Quanyi2, WANG Zhaodong1
图3. 不同变形条件下Ti-46Al-8Nb合金微观组织的SEM像
Fig.3. SEM images showing deformed microstructures in hot compression tests of Ti-46Al-8Nb alloys with different deformation conditions
(a) 1100 ℃, 1 s-1 (Inset shows the crack defects)
(b) 1150 ℃, 0.001 s-1
(c) 1200 ℃, 0.1 s-1 (Region 1, inset shows the high magnified image of kinked lamellae)
(d) 1150 ℃, 0.01 s-1 (Region 2)
(e) 1200 ℃, 0.01 s-1 (Region 2)
(f) 1250 ℃, 0.001 s-1 (Region 3)
