公开(公告)号：US20210246524A1

公开(公告)日：2021-08-12

申请号：US17263846

申请日：2019-07-31

申请人： NIPPON STEEL CORPORATION

发明人： Shuichi NAKAMURA ,  Yusuke KAWAMURA ,  Shingo OKADA ,  Tomoaki ITO ,  Shinya YANO

IPC分类号： C21D8/12 ,  H01F1/147 ,  C21D9/46 ,  C22C38/02 ,  C22C38/00 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50

摘要： A grain oriented electrical steel sheet includes the texture aligned with Goss orientation. In the grain oriented electrical steel sheet, when (α1 β1 γ1) and (α2 β2 γ2) represent deviation angles of crystal orientations measured at two measurement points which are adjacent on the sheet surface and which have an interval of 1 mm, the boundary condition BA is defined as |β2−β1|≥0.5°, and the boundary condition BB is defined as [(α2−α1)2+(β2−β1)2+(γ2−γ1)2]1/2≥2.0°, the boundary which satisfies the boundary condition BA and which does not satisfy the boundary condition BB is included.