Recent Progress of Research and Development on Production Process for Grain-Oriented Electrical Steel Sheets in Japan

Abstract

Abstract: According to related typical patent technology for grain-oriented electrical steel sheets, the recent trends and progress situation for production process of grain-oriented electrical steel sheets with high magnetic flux density and low core loss in Japan are summarized including low temperature slab heating, suitably regulating inhibitors,.adjusting and utilizing key element Mn, C, Sn and Sb, manufacturing for new annealing agent and insulating solutions, and fining magnetic domain, and some suggestions are put for domestic grain-oriented electric steel producer to apply for a patent.

Key words: Material Index Grain-Oriented Electrical Steel Sheet, , R&, D Progress, , Patented Technology

摘要： 根据相关的取向电工钢典型专利技术,概述了日本高磁感低铁损取向电工钢低温板坯加热、抑制剂合理调节、关键成分Mn、C、Sn和Sb调节与利用、新型退火剂和绝缘溶液的制备及细化磁畴等生产工艺最新动态和进展情况,并提出了国内企业申请取向电工钢专利时应当借鉴之处。

关键词: 取向电工钢, 研发进展, 专利技术

Qi Dianwei, Mu Hao , Ding Wei. Recent Progress of Research and Development on Production Process for Grain-Oriented Electrical Steel Sheets in Japan[J]. Special Steel, 2011, 32(2): 21-26.

齐殿威, 牟昊, 丁伟. 日本取向电工钢生产工艺最新研发进展[J]. 特殊钢, 2011, 32(2): 21-26.

References

1 JFE Steel KK. Grain-Oriented Electrical Steel Sheet and its Production Method： JP, 2008-031498. [DB/OL]. 2008-02-14 [2010-08- 26]. http：//www!9. ipdl. inpit. go. jp/PAl/cgi-bin/PAl DETAIL.
2 JFE Steel KK. Manufacturing Method of Grain-Oriented Electrical Steel Sheet： JP, 2008-031495. [ DB/OL]. 2008-02-14 [ 2010-08- 26]. http：//wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/PAlDETAIL.
3 Nippon Steel Corporation. Method for Producing Grain-Oriented Magnetic Steel Sheet with High Magnetic Flux Density: JP, 2008 -001983. [DB/OL], 2008-01 -10 [2010-08-26]. http：// wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/PAl DETAIL.
4 Nippon Steel Corporation. Process for Producing Grain-Oriented Magnetic Steel Sheet with High Magnetic Flux Density:JP,2008-001982. [DB/OL]. 2008-01 -10 [2010-08-26]. http：//wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/PAl DETAIL.
5 Nippon Steel Corporation. Process for Producing Grain-Oriented Magnetic Steel Sheet with High Magnetic Flux Density： EP, 2025766.[OB/OL], 2009-02-18 [ 2010-09-1]. http：// ep. espacenet. com/ searchResults? DB = ep. espacenet. com&locale = en _ EP&ST = advanced&compact = false&PN = ep2025766.
6 Nippon Steel Corporation. Process for Producing Grain-Oriented Magnetic Steel Sheet with High Magnetic Flux Density： EP, 2025767.[OB/OL], 2009-02-18 [ 2010-09-1 ]. http： // ep. espacenet. com/ searchResults? DB = ep. espacenet. com&locale = en _ EP&ST = advanced&compact = false&PN = ep2025767.
7 JFE Steel Corporation. Electromagnetic Steel Sheet for High Frequency ：JP,2009-235529. [ DB/OL]. 2009-10-15 [ 2010-09-08 ]. http ：// wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/PAl DETAIL.
8 JFE Steel Corporation. High-Silicon Steel Sheet and Method for Producing the Same： JP,2009-287121. [ DB/OL]. 2009-12-10 [ 2010-09- 08]. http:〃wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/PAlDETAIL.
9 JFE Steel Corporation. Grain-Oriented Magnetic Steel Sheet and Manufacturing Method Therefore： JP,2009-263782. [ DB/OL]. 2009-11- 12 [2010-09-08 ]. http： // wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/ PAI DETAIL.
10 Nippon Steel Corporation. Grain Oriented Silicon Steel Sheet Having High Incremental Permeability and Iron Core for Direct Current Reactor Using the Same： JP, 2008-255454. [ DB/OL ]. 2008-10-23 [2010-09-09 ]. http： // wwwI9. ipdl. inpit. go. jp/PAl/cgi-bin/ PAI DETAIL.
11 Nippon Steel Corporation. Method for Manufacturing Grain-Oriented Electromagnetic Steel Sheet with Remaricably High Magnetic Flux Density: JP, 2009-209428. [DB/OL]. 2009-09-17 [ 2010-09-10 ]. http； //wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/PAlDETAIL.
12 Nippon Steel Corporation. Grain Oriented Electrical Steel Sheet Excellent in Magnetic Properties and Adhesiveness of Film, and Manufacturing Method Therefore：JP,2009-270129. [DB/OL]. 2009-11- 19[ 2010-09-10 ]. http： // wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/ PAI DETAIL.
13 Nippon Steel Corporation. Method for Manufacturing Grain-Oriented Electrical Steel Sheet： JP, 2009-256713. [ DB/OL]. 2009-11-05 [2010-09-10] . http： // www!9. ipdl. inpit. go. jp/PAl/cgi-bin/ PAI DETAIL.
14 Nippon Steel Corporation. Method for Manufacturing Grain-Oriented Electrical Steel Sheet Having Extremely High Magnetic Flux Density ：JP,2009-235574. [DB/OL]. 2009-10-15 [2010-09-10]. http：wwwl9. ipdl. inpit. go. jp/PAl/cgi-bin/PAlDETAIL.
15 JFE Steel Corporation. Grain Oriented Electrical Steel Sheet and Manufacturing Method Therefore： JP, 2009-235471. [ DB/OL]. 2009-10-15[2010-09-10j. http： // www19. ipdl. inp it. go. jp/PAl/ cgi-bin/PAl DETAIL
16 JFE Steel Corporation. Grain Oriented Electrical Steel Sheet and Manufacturing Method Therefore: JP, 2009-228117. [ DB/OL]. 2009-10X)8[2010-09-10J. http：//www19. ipdl. inpit. go. jp/PAl/ cgi-bin/PAl DETAIL. 17 Nippon Steel Corporation. Grain Oriented Electrical Decarburized Annealed Steel Sheet and Method for Producing the Same：JP,2008- 261022. [ DB/OL]. 2008-10-30 [2010-09-10]. http: //wwwl9. ipdl. inpit.go. jp/PAl/cgi-bin/PAlDETAIL.
18 Nippon Steel Corporation. Method for Producing Grain Oriented E- lectrical Steel Sheet Excellent in Productivity：JP, 2008-115421. [DB/OL]. 2008-05-22 [ 2010-09-14]. http： // www19. ipdl. inpit. go. jp/PAl/cgi-bin/PAl DETAIL.
19 JFE Steel KK. Annealing Separation Agent for Grain Oriented Electrical Steel Sheet and Method for Producing Grain Oriented Electrical Steel Sheet：JP, 2009-030105. [DB/OL]. 2009-02-12 [2010-09-14]. http: //www19. ipdl. inpit. go. jp/PAl/cgi-bin/PAlDETAIL.
20 JFE Steel KK. Treatment Liquid for Forming Chromium-Free Insulation Film on Grain-Oriented Electromagnetic Steel Sheet, and Method for Producing Grain-Oriented Electromagnetic Steel Sheet Provided with Insulation Film： JP, 2009-057591. [DB/OL]. 2009-03-19 [2010-09-14 ]. http：// www19. ipdl. inpit. go. jp/PAl/cgi-bin/ PAI DETAIL.
21 JFE Steel Corporation. Insulation Film Treating Liquid for Grain Oriented Electromagnetic Steel Plate, and Process for Producing Grain Oriented Electromagnetic Steel Plate with Insulating Film: WIPO, W02009025389. [DB/OL]. 2009-02-26[2010-09-14]. http:〃wo. espacenet. com/searchResults? DB = wo. espacenet. com&submitted =true&locale = en _ EP&ST = advanced&PN = W02009025389&compact = false.
22 Nippon Steel Corporation. Production Method of Grain-Oriented Electromagnetic Steel Sheet with Excellent Adhesion to Insulation Film and Extremely Low Core Loss:JP,2009-019274. [DB/OL]. 2009-01-29[2010-09-14]. http：//www19. ipdl. inpit. go. jp/PAl/ cgi-bin/PAl DETAIL.
23 Nippon Steel Corporation. Insulating Film Treatment Agent,Grain-Oriented Electrical Steel Sheet Coated with the Film Treatment Agent and Insulating Film Treatment Method Therefore: JP, 2010-013692.[DB/OL]. 2010-01-21 [2010-09-14]. http： ipdl. inpit.go. jp/PAl/cgi-bin/PAl DETAIL.
24 JFE Steel Group. Method for Manufacturing Grain-Oriented Electrical Steel Sheet： JP, 2009-228118. [DB/OL], 2009-10-08 [2010-09-15]. http：//www19. ipdl. inpit. go. jp/PAl/cgi-bin/PAlDETAIL.
25 JFE Steel KK. Grain-Oriented Electrical Steel Sheet and its Manufacturing Method：JP, 2008-111152. [DB/OL]. 2008-05-15 [2010-09-16], http: //www19. ipdl. inpit. go. jp/PAl/cgi-bin/PAl DETAIL.

[1]	Chen Yan, Mu Hao , Qi Dianwei. R&D Progress on High Strength Pipeline Steel at Home and Abroad [J]. Special Steel, 2013, 34(3): 25-29.
[2]	Mu Hao, Chen Yan, Qi Dianwei, Ding Wei , Wu Meiqing. Present Status and Development Tendency of Patented Technology for High Strength Oil Well Tubing Steels [J]. Special Steel, 2012, 33(5): 19-24.