Title:
焼鈍分離剤用酸化マグネシウム及び方向性電磁鋼板
Document Type and Number:
Japanese Patent JP6494865
Kind Code:
B2
Abstract:
An object of the present invention is to provide magnesium oxide for an annealing separator which is useful for obtaining grain-oriented electromagnetic steel sheets with excellent magnetic properties and insulating properties. To resolve the above object, an aspect of the present invention resides in magnesium oxide for an annealing separator having a Blaine specific surface area of 2.5 × 10 3 to 7.0 × 10 3 m 2 ·kg -1 and CAA of 50 to 170 seconds.
Inventors:
Masanori Kitagaki
Yutaka Hirats
Kamei Chusuke
Yutaka Hirats
Kamei Chusuke
Application Number:
JP2018509020A
Publication Date:
April 03, 2019
Filing Date:
March 16, 2017
Export Citation:
Assignee:
Tateho Chemical Industries Co., Ltd.
International Classes:
C21D8/12; C01F5/08; C21D9/46; C23C22/00; H01F1/18
Domestic Patent References:
| JP2015205797A | ||||
| JP2011202224A | ||||
| JP11181525A |
Foreign References:
| WO2013051270A1 | ||||
| WO2008047999A1 |
Attorney, Agent or Firm:
Patent business corporation Tsukuni