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6. 包套轧制Ti-46Al-8Nb合金板材微观组织演变的SEM-BSE像
Fig.6. SEM-BSE images of the as-rolled microstructure evolutions of Ti-46Al-8Nb alloy
(a) macro-structure (ND—normal direction, RD—rolling direction) (b1, b2) decomposition of lamellar colonies at low rolling reduction (c1, c2) decomposition of lamellar colonies at higher rolling reductions (d1, d2) fully DRXed microstructure (DRX—dynamic recrystallization)
