Title:
回転子用無方向性電磁鋼板およびその製造方法
Document Type and Number:
Japanese Patent JP6606988
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a nonoriented electromagnetic steel sheet having excellent mechanical property and magnetic property required as a rotor.SOLUTION: A nonoriented electromagnetic steel sheet contains, by mass%, C:0.01% or less, Si:over 2.0% or more and 4.0% or less, Mn:0.05% or more and 3.0% or less, Al:less than 1.5%, Si+Al:2.5% or more, P:0.03% or more and 0.20% or less, S:0.04% or less, N:0.02% or less and at least one element selected from a group consisting of Nb, Zr and Ti in a range satisfying a predetermined relationship and the balance Fe with impurities and has a half width of {222} of 0.05 or more and 0.22 or less.SELECTED DRAWING: None
Inventors:
Ichiro Tanaka
Application Number:
JP2015222221A
Publication Date:
November 20, 2019
Filing Date:
November 12, 2015
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22C38/00; C21D8/12; C22C38/14; H01F1/147; H02K1/02; H02K15/02
Domestic Patent References:
| JP2006169611A | ||||
| JP2006070348A | ||||
| JP2007039721A | ||||
| JP2010031328A | ||||
| JP2010018857A |
Foreign References:
| WO2007144964A1 | ||||
| US20140366988 |
Attorney, Agent or Firm:
Noriyuki Yamamoto
Akihiko Yamashita
Kishimoto Tatsuto
Akihiko Yamashita
Kishimoto Tatsuto