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4. Ti-46Al-8Nb合金典型微观组织的EBSD表征
Fig.4. EBSD maps showing the deformed microstructure of Ti-46Al-8Nb alloys under deformation conditions of 1150 ℃,0.001 s-1 (Dotted boxes show grains in Al-segregation regions at colony boundaries) (a~c) and 1200 ℃, 0.1 s-1 (d~f)
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(a, d) image quality (IQ) maps (b, e) phase maps with grain boundary misorientation angles (GB—grain boundary) (c, f) grain distribution maps
