JPS55110726A - Formation of insulating film on high-magnetic flux density grain-oriented silicone steel plate - Google Patents

Formation of insulating film on high-magnetic flux density grain-oriented silicone steel plate

Info

Publication number
JPS55110726A
JPS55110726A JP14274979A JP14274979A JPS55110726A JP S55110726 A JPS55110726 A JP S55110726A JP 14274979 A JP14274979 A JP 14274979A JP 14274979 A JP14274979 A JP 14274979A JP S55110726 A JPS55110726 A JP S55110726A
Authority
JP
Japan
Prior art keywords
steel plate
annealing
mgo
insulating film
magnetic flux
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14274979A
Other languages
Japanese (ja)
Other versions
JPS5814859B2 (en
Inventor
Toshio Irie
Yasuo Yokoyama
Mototomo Sugiyama
Hiroshi Shimanaka
Shigeru Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP14274979A priority Critical patent/JPS5814859B2/en
Publication of JPS55110726A publication Critical patent/JPS55110726A/en
Publication of JPS5814859B2 publication Critical patent/JPS5814859B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

PURPOSE:To form an MgO-SiO2 insulating film on steel plate by the procedure in which, in the manufacture of a high-magnetic flux density grain-oriented silicone steel plate containing a normal grain growth inhibitor, the steel plate is subjected to decarburization and annealing, coated with an annealing separating agent of MgO, etc., wound around a coil, and then subjected to a secondary recrystallization final annealing at a specific temperature. CONSTITUTION:A silicone steel material, containing <0.06% c, <4.0% Si, 0.005-0.20% Sb as a normal grain growth inhibitor, and 0.10% or less Se or S, is hot-rolled into a 3.0mm thick plate. Then, the steel plate is repeatedly annealed and cold-rolled into a 0.30mm thick steel plate, then defatted, and lastly to subjected to a decarbo-annealing in the atmosphere of nitrogen containing wet hydrogen, where the surface is oxidized in a proportion of 0.7-2.8g/m<2> of oxygen. Then, the surface is coated with MgO as an annealing separating agent, and then the steel plate is wound around a coil and heated at 800-920 deg.C for 10-100hr to develop secondary recrystallized grains, and further heated at 1000-1200 deg.C to form a forsterite (2, MgO-SiO2) insulating film on the surface.
JP14274979A 1979-11-06 1979-11-06 Method for forming insulation coating on high magnetic flux density unidirectional silicon steel sheet Expired JPS5814859B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14274979A JPS5814859B2 (en) 1979-11-06 1979-11-06 Method for forming insulation coating on high magnetic flux density unidirectional silicon steel sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14274979A JPS5814859B2 (en) 1979-11-06 1979-11-06 Method for forming insulation coating on high magnetic flux density unidirectional silicon steel sheet

Publications (2)

Publication Number Publication Date
JPS55110726A true JPS55110726A (en) 1980-08-26
JPS5814859B2 JPS5814859B2 (en) 1983-03-22

Family

ID=15322680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14274979A Expired JPS5814859B2 (en) 1979-11-06 1979-11-06 Method for forming insulation coating on high magnetic flux density unidirectional silicon steel sheet

Country Status (1)

Country Link
JP (1) JPS5814859B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103173A (en) * 1983-11-11 1985-06-07 Kawasaki Steel Corp Production of grain oriented silicon steel sheet
JPH0633142A (en) * 1992-07-13 1994-02-08 Nippon Steel Corp Decarburizing annealing method of grain-oriented silicon steel sheet excellent in magnetic flux density and film adhesion
WO1999053107A1 (en) * 1998-04-09 1999-10-21 Koenigbauer Georg Method for producing a forsterite insulating film on a surface of grain-oriented anisotropic electrotechnical steel sheets
JP2001272360A (en) * 2000-01-20 2001-10-05 Kawasaki Steel Corp Method and device for measuring oxygen amount per unit area of steel band amount in internal oxidized layer formed in steel band
EP1281778A2 (en) * 2001-08-02 2003-02-05 Kawasaki Steel Corporation Method of manufacturing grain-oriented electrical steel sheet

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04220210A (en) * 1990-12-20 1992-08-11 Matsushita Electric Works Ltd Drying/containing device
JPH04220212A (en) * 1990-12-20 1992-08-11 Matsushita Electric Works Ltd Drying/containing device
JP2541505Y2 (en) * 1991-10-17 1997-07-16 三洋電機株式会社 Built-in dishwasher grill body
EP3518285A4 (en) 2016-09-23 2020-07-29 Toshiba Memory Corporation Memory device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103173A (en) * 1983-11-11 1985-06-07 Kawasaki Steel Corp Production of grain oriented silicon steel sheet
JPH0582455B2 (en) * 1983-11-11 1993-11-19 Kawasaki Steel Co
JPH0633142A (en) * 1992-07-13 1994-02-08 Nippon Steel Corp Decarburizing annealing method of grain-oriented silicon steel sheet excellent in magnetic flux density and film adhesion
JP2579717B2 (en) * 1992-07-13 1997-02-12 新日本製鐵株式会社 Decarburization annealing method for grain-oriented electrical steel sheets with excellent magnetic flux density and film adhesion
WO1999053107A1 (en) * 1998-04-09 1999-10-21 Koenigbauer Georg Method for producing a forsterite insulating film on a surface of grain-oriented anisotropic electrotechnical steel sheets
JP2001272360A (en) * 2000-01-20 2001-10-05 Kawasaki Steel Corp Method and device for measuring oxygen amount per unit area of steel band amount in internal oxidized layer formed in steel band
EP1281778A2 (en) * 2001-08-02 2003-02-05 Kawasaki Steel Corporation Method of manufacturing grain-oriented electrical steel sheet
EP1281778A3 (en) * 2001-08-02 2008-09-10 JFE Steel Corporation Method of manufacturing grain-oriented electrical steel sheet

Also Published As

Publication number Publication date
JPS5814859B2 (en) 1983-03-22

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