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Title:
NON-ORIENTED MAGNETIC STEEL SHEET AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2014/168136
Kind Code:
A1
Abstract:
In the present invention, the chemical components include, by mass%, 0.0001-0.01% of C, 0.05-7.0% of Si, 0.01-3.0% of Mn, 0.0020-3.0% of Al, 0.0001-0.1% of S, 0.001-0.15% of P, 0.0010-0.01% of N, and 0.01-5.0% of Cu, the remainder comprising Fe and impurities. I2θ=46.4, which is the diffraction intensity of copper sulfide having a hexagonal structure arising at 2θ=46.4° obtained by means of X-ray diffraction with respect to an electroextraction residue, and I2θ=32.3, which is the diffraction intensity of copper sulfide having a cubic structure arising at 2θ=32.3°, satisfy I2θ=46.4/I2θ=32.3 ≤ 0.5.

Inventors:
KATAOKA TAKASHI (JP)
ARITA YOSHIHIRO (JP)
TAKAHASHI FUMIAKI (JP)
KUROSAKI YOUSUKE (JP)
Application Number:
PCT/JP2014/060164
Publication Date:
October 16, 2014
Filing Date:
April 08, 2014
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
C22C38/00; C21D8/12; C22C38/60; H01F1/16; H01F41/02
Domestic Patent References:
WO2012087045A22012-06-28
Foreign References:
JP2005344179A2005-12-15
JP2004300517A2004-10-28
JP2005200713A2005-07-28
JP2010174376A2010-08-12
JPH10183244A1998-07-14
JPH09302414A1997-11-25
JP2011006721A2011-01-13
JP2006144036A2006-06-08
JP2003113451A2003-04-18
Other References:
TAKASHI KATAOKA ET AL.: "Ferrite-ko ni Okeru Cu Ryukabutsu no Koyo Kyodo", CURRENT ADVANCES IN MATERIALS AND PROCESSES, vol. 25, 1 September 2012 (2012-09-01), pages 1080, XP008181211
CAMP-ISIJ, vol. 25, 2012, pages L080
CAMP-ISIJ, vol. 22, 2009, pages 1284
J. FLUX GROWTH, vol. 5, 2010, pages 48
MATERIALS TRANSACTIONS, vol. 53, 2012, pages 645
TETSU-TO-HAGANE, vol. 83, 1997, pages 479
TETSU-TO-HAGANE, vol. 92, 2006, pages 609
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
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