Title:
NON-ORIENTED ELECTROMAGNETIC STEEL SHEET, METHOD FOR PRODUCING SAME, LAMINATE FOR MOTOR IRON CORE, AND METHOD FOR PRODUCING SAID LAMINATE
Document Type and Number:
WIPO Patent Application WO/2013/024894
Kind Code:
A1
Abstract:
When Q=([Ti]/48+[V]/51+[Zr]/91+[Nb]/93)/([C]/12), the value of the parameter Q is between 0.9 and 1.1. (In the equation, [Ti], [V], [Zr], [Nb], and [C] respectively represents the content of Ti, V, Zr, Nb, and C in mass %.) The parent phase of a metal structure is a ferrite phase and the metal structure does not contain a non-recrystallized structure. The ferrite particles constituting the ferrite phase have an average particle size between 10 µm and 200 µm. Deposits containing at least one element selected from among Ti, V, Zr, and Nb are present in the ferrite particles at a density of 10/µm3 or more. The average particle size of the deposits is between 0.002 µm and 0.2 µm.
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Inventors:
FUJIKURA MASAHIRO (JP)
USHIGAMI YOSHIYUKI (JP)
MURAKAWA TESSHU (JP)
KANAO SHINICHI (JP)
ATAKE MAKOTO (JP)
ICHIE TAKERU (JP)
HORI KOJIRO (JP)
MATSUI SHINICHI (JP)
USHIGAMI YOSHIYUKI (JP)
MURAKAWA TESSHU (JP)
KANAO SHINICHI (JP)
ATAKE MAKOTO (JP)
ICHIE TAKERU (JP)
HORI KOJIRO (JP)
MATSUI SHINICHI (JP)
Application Number:
PCT/JP2012/070861
Publication Date:
February 21, 2013
Filing Date:
August 16, 2012
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
FUJIKURA MASAHIRO (JP)
USHIGAMI YOSHIYUKI (JP)
MURAKAWA TESSHU (JP)
KANAO SHINICHI (JP)
ATAKE MAKOTO (JP)
ICHIE TAKERU (JP)
HORI KOJIRO (JP)
MATSUI SHINICHI (JP)
FUJIKURA MASAHIRO (JP)
USHIGAMI YOSHIYUKI (JP)
MURAKAWA TESSHU (JP)
KANAO SHINICHI (JP)
ATAKE MAKOTO (JP)
ICHIE TAKERU (JP)
HORI KOJIRO (JP)
MATSUI SHINICHI (JP)
International Classes:
C22C38/00; B21B3/02; C21D8/12; C22C38/14; C22C38/16; H01F1/16; H01F27/245
Domestic Patent References:
| WO2009128428A1 | 2009-10-22 | |||
| WO2009128428A1 | 2009-10-22 |
Foreign References:
| JP2007039721A | 2007-02-15 | |||
| JP2005264315A | 2005-09-29 | |||
| JP2008050685A | 2008-03-06 | |||
| JPH06330255A | 1994-11-29 | |||
| JPH028346A | 1990-01-11 | |||
| JPH06330255A | 1994-11-29 | |||
| JP2006009048A | 2006-01-12 | |||
| JP2006070269A | 2006-03-16 | |||
| JPH1018005A | 1998-01-20 | |||
| JP2004084053A | 2004-03-18 | |||
| JP2004183066A | 2004-07-02 | |||
| JP2007039754A | 2007-02-15 | |||
| JPH1088298A | 1998-04-07 | |||
| JP2003105508A | 2003-04-09 | |||
| JPH11229094A | 1999-08-24 |
Other References:
See also references of EP 2746415A4
Attorney, Agent or Firm:
KOKUBUN, Takayoshi (JP)
Takayoshi Kokubu (JP)
Takayoshi Kokubu (JP)
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Claims: