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Title:
MAGNESIUM OXIDE FOR ANNEALING SEPARATOR, AND GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2017/169853
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing magnesium oxide for annealing separators which is for obtaining grain-oriented electromagnetic steel sheets excellent in terms of magnetic property and insulating property. The present invention for solving the problem is magnesium oxide for annealing separators which has a Blaine specific surface area of 2.5×103 to 7.0×103 m2·kg-1 and a CAA of 50-170 seconds.

Inventors:
KITAGAKI MASAKI (JP)
HIRATSU YUTAKA (JP)
KAMEI TADASUKE (JP)
Application Number:
PCT/JP2017/010690
Publication Date:
October 05, 2017
Filing Date:
March 16, 2017
Export Citation:
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Assignee:
TATEHO KAGAKU KOGYO KK (JP)
International Classes:
C21D8/12; C01F5/08; C21D9/46; C23C22/00; H01F1/147
Domestic Patent References:
WO2013051270A12013-04-11
WO2008047999A12008-04-24
Foreign References:
JP2015205797A2015-11-19
JP2011202224A2011-10-13
JPH11181525A1999-07-06
JPH0425349A1992-01-29
JP2690841B21997-12-17
JPS5414566A1979-02-02
JP3043975B22000-05-22
JPH1088244A1998-04-07
JP3021241B22000-03-15
JP3091096B22000-09-25
JPS5745472A1982-03-15
JP2650817B21997-09-10
JP4192282B22008-12-10
JP3650525B22005-05-18
Other References:
See also references of EP 3438291A4
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (JP)
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