EP2634270A4 - Annealing separation agent for producing grain-oriented silicon steel with smooth surface and good magnetic property - Google Patents

Annealing separation agent for producing grain-oriented silicon steel with smooth surface and good magnetic property Download PDF

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Publication number
EP2634270A4
EP2634270A4 EP11835488.5A EP11835488A EP2634270A4 EP 2634270 A4 EP2634270 A4 EP 2634270A4 EP 11835488 A EP11835488 A EP 11835488A EP 2634270 A4 EP2634270 A4 EP 2634270A4
Authority
EP
European Patent Office
Prior art keywords
smooth surface
silicon steel
magnetic property
oriented silicon
good magnetic
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
EP11835488.5A
Other languages
German (de)
French (fr)
Other versions
EP2634270A1 (en
EP2634270B1 (en
Inventor
Zipeng Zhao
Yaming Ji
Yongjie Yang
Guobao Li
Dengfeng Li
Yunpeng Xu
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.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel Co Ltd
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 Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP2634270A1 publication Critical patent/EP2634270A1/en
Publication of EP2634270A4 publication Critical patent/EP2634270A4/en
Application granted granted Critical
Publication of EP2634270B1 publication Critical patent/EP2634270B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • 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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Chemical Treatment Of Metals (AREA)
EP11835488.5A 2010-10-25 2011-04-14 Annealing separation agent for producing grain-oriented silicon steel with smooth surface and good magnetic property Active EP2634270B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010105180375A CN102453793B (en) 2010-10-25 2010-10-25 Annealing isolation agent used for preparing mirror surface-oriented silicon steel with excellent magnetic property
PCT/CN2011/072771 WO2012055214A1 (en) 2010-10-25 2011-04-14 Annealing separation agent for producing grain-oriented silicon steel with smooth surface and good magnetic property

Publications (3)

Publication Number Publication Date
EP2634270A1 EP2634270A1 (en) 2013-09-04
EP2634270A4 true EP2634270A4 (en) 2018-01-17
EP2634270B1 EP2634270B1 (en) 2021-06-02

Family

ID=45993115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11835488.5A Active EP2634270B1 (en) 2010-10-25 2011-04-14 Annealing separation agent for producing grain-oriented silicon steel with smooth surface and good magnetic property

Country Status (8)

Country Link
US (1) US20130292005A1 (en)
EP (1) EP2634270B1 (en)
JP (1) JP5650331B2 (en)
KR (1) KR20130081297A (en)
CN (1) CN102453793B (en)
MX (1) MX352637B (en)
RU (1) RU2552791C2 (en)
WO (1) WO2012055214A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104928452B (en) * 2015-05-15 2018-03-20 武汉钢铁有限公司 A kind of coating that can prevent orientation silicon steel secondary recrystallization annealing side from splitting
CN109306198A (en) * 2018-08-22 2019-02-05 武汉钢铁有限公司 For improving the masking liquid and preparation method thereof of high magnetic induction grain-oriented silicon steel magnesium silicate bottom layer quality
US20220090246A1 (en) * 2019-01-16 2022-03-24 Nippon Steel Corporation Method for producing grain oriented electrical steel sheet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305966A1 (en) * 1987-08-31 1989-03-08 Nippon Steel Corporation Method for producing grain-oriented electrical steel sheet having metallic luster and excellent punching property
JPH05156362A (en) * 1991-12-06 1993-06-22 Nippon Steel Corp Manufacture of high magnetix flux density grain-oriented silicon steel sheet free from forsterite film
US5685920A (en) * 1994-05-13 1997-11-11 Nippon Steel Corporation Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same
US20030188806A1 (en) * 2001-04-23 2003-10-09 Hiroyasu Fujii Method for producing unidirectional silicon steel sheet free inorganic mineral coating film
JP2004277765A (en) * 2003-03-13 2004-10-07 Jfe Steel Kk Finish annealing method for grain-oriented magnetic steel sheet with low core loss

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU413200A1 (en) * 1971-06-29 1974-01-30
EP0416420B1 (en) * 1989-09-08 1994-12-14 Armco Inc. Magnesium oxide coating for electrical steels and the method of coating
JP2706040B2 (en) * 1993-12-21 1998-01-28 新日本製鐵株式会社 Method for manufacturing mirror-oriented silicon steel sheet
DE4409691A1 (en) * 1994-03-22 1995-09-28 Ebg Elektromagnet Werkstoffe Process for the production of electrical sheets with a glass coating
JP3412959B2 (en) * 1994-04-22 2003-06-03 新日本製鐵株式会社 Method for producing mirror-oriented silicon steel sheet with low iron loss
JPH08134542A (en) * 1994-11-08 1996-05-28 Sumitomo Metal Ind Ltd Production of grain oriented silicon steel sheet having excellent blanking property
JP4116702B2 (en) * 1998-07-21 2008-07-09 新日本製鐵株式会社 Method for producing grain-oriented electrical steel sheet
JP2003253334A (en) * 2002-03-01 2003-09-10 Jfe Steel Kk Method for manufacturing grain-oriented magnetic steel sheet superior in magnetic property and stamping property
JP2007131880A (en) * 2005-11-08 2007-05-31 Jfe Steel Kk Method of manufacturing grain oriented silicon steel without forsterite film

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305966A1 (en) * 1987-08-31 1989-03-08 Nippon Steel Corporation Method for producing grain-oriented electrical steel sheet having metallic luster and excellent punching property
JPH05156362A (en) * 1991-12-06 1993-06-22 Nippon Steel Corp Manufacture of high magnetix flux density grain-oriented silicon steel sheet free from forsterite film
US5685920A (en) * 1994-05-13 1997-11-11 Nippon Steel Corporation Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same
US20030188806A1 (en) * 2001-04-23 2003-10-09 Hiroyasu Fujii Method for producing unidirectional silicon steel sheet free inorganic mineral coating film
JP2004277765A (en) * 2003-03-13 2004-10-07 Jfe Steel Kk Finish annealing method for grain-oriented magnetic steel sheet with low core loss

Also Published As

Publication number Publication date
KR20130081297A (en) 2013-07-16
RU2013127583A (en) 2014-12-27
EP2634270A1 (en) 2013-09-04
RU2552791C2 (en) 2015-06-10
JP5650331B2 (en) 2015-01-07
CN102453793B (en) 2013-09-25
CN102453793A (en) 2012-05-16
EP2634270B1 (en) 2021-06-02
MX2013004592A (en) 2013-07-17
WO2012055214A1 (en) 2012-05-03
US20130292005A1 (en) 2013-11-07
MX352637B (en) 2017-12-01
JP2013545892A (en) 2013-12-26

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