热轧硅钢表层动态再结晶区形成规律及剪切织构特征

姜伟宁, 武晓龙, 杨平, 顾新福, 解清阁

Formation of Dynamic Recrystallization Zone and Characteristics of Shear Texture in Surface Layer of Hot-Rolled Silicon Steel

JIANG Weining, WU Xiaolong, YANG Ping, GU Xinfu, XIE Qingge

图1 52%、71%和88%热轧压下量下时Fe-2.5Si-0.8Al硅钢显微组织的OM像

Fig.1 OM images of Fe-2.5Si-0.8Al silicon steel hot-rolled sheets with 52% reduction (a), 71% reduction (b), and 88% reduction (c), and enlarged view corresponding to dashed frame in Fig.1c (d) (Arrows in Fig.1a show the equiaxed grains, oval frame in Fig.1b shows the equiaxed grains in banded distribution, rectangle frames in Fig.1c show the dynamic recrystallization zones; RD—rolling direction, ND—normal direction)