公开(公告)号：EP4343008A1

公开(公告)日：2024-03-27

申请号：EP22804729.6

申请日：2022-05-18

申请人： NIPPON STEEL CORPORATION

发明人： SATO, Shinya ,  OZAKI, Shigekatsu ,  TERASHIMA, Shinichi ,  KOBAYASHI, Takayuki ,  SATO, Yuichi

IPC分类号： C21D6/00 ,  C22C45/02 ,  C22C38/00 ,  C22C38/06 ,  C22C38/54 ,  H01F1/153 ,  H01F1/16

摘要： The present invention has as its object the provision of an Fe-based amorphous alloy and Fe-based amorphous alloy ribbon excellent in soft magnetic properties having a low iron loss and a high saturation magnetic flux density. The Fe-based amorphous alloy excellent in soft magnetic properties of the present invention comprises, by atom%, B: 8.0% or more and 18.0% or less, Si: 2.0% or more and 9.0% or less, C: 0.10% or more and 5.00% or less, Al: 0.005% or more and 1.50% or less, P: 0% or more and less than 1.00%, Mn: 0% or more and 0.30% or less, Fe: 78.00% or more and 86.00% or less, and balance: impurities and has an amorphous structure.