DE69131977D1 - Verfahren zur Herstellung von kornorientiertem Elektrofeinblech mit verbesserten magnetischen Eigenschaften und Oberflächenfilmeigenschaften - Google Patents

Verfahren zur Herstellung von kornorientiertem Elektrofeinblech mit verbesserten magnetischen Eigenschaften und Oberflächenfilmeigenschaften

Info

Publication number
DE69131977D1
DE69131977D1 DE69131977T DE69131977T DE69131977D1 DE 69131977 D1 DE69131977 D1 DE 69131977D1 DE 69131977 T DE69131977 T DE 69131977T DE 69131977 T DE69131977 T DE 69131977T DE 69131977 D1 DE69131977 D1 DE 69131977D1
Authority
DE
Germany
Prior art keywords
grain
production
thin sheet
oriented electrical
surface film
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.)
Expired - Lifetime
Application number
DE69131977T
Other languages
English (en)
Other versions
DE69131977T2 (de
Inventor
Hisashi Kobayashi
Osamu Tanaka
Hiroyasu Fujii
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE69131977D1 publication Critical patent/DE69131977D1/de
Publication of DE69131977T2 publication Critical patent/DE69131977T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—Final recrystallisation 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding

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)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
DE69131977T 1990-11-07 1991-11-06 Verfahren zur Herstellung von kornorientiertem Elektrofeinblech mit verbesserten magnetischen Eigenschaften und Oberflächenfilmeigenschaften Expired - Lifetime DE69131977T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2301919A JPH07122096B2 (ja) 1990-11-07 1990-11-07 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法

Publications (2)

Publication Number Publication Date
DE69131977D1 true DE69131977D1 (de) 2000-03-16
DE69131977T2 DE69131977T2 (de) 2000-06-08

Family

ID=17902698

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69131977T Expired - Lifetime DE69131977T2 (de) 1990-11-07 1991-11-06 Verfahren zur Herstellung von kornorientiertem Elektrofeinblech mit verbesserten magnetischen Eigenschaften und Oberflächenfilmeigenschaften

Country Status (5)

Country Link
US (1) US5190597A (de)
EP (1) EP0484904B1 (de)
JP (1) JPH07122096B2 (de)
KR (1) KR940008932B1 (de)
DE (1) DE69131977T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6858095B2 (en) * 1992-09-04 2005-02-22 Nippon Steel Corporation Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties
WO1995013401A1 (en) * 1993-11-09 1995-05-18 Pohang Iron & Steel Co., Ltd. Production method of directional electromagnetic steel sheet of low temperature slab heating system
KR100256336B1 (ko) * 1995-12-05 2000-05-15 이구택 자기적특성이 우수한 방향성 규소강의 제조방법
KR100256343B1 (ko) * 1995-12-21 2000-05-15 이구택 저온 스라브 가열방식에의한 방향성 전기강판의 제조방법
KR100940720B1 (ko) * 2002-12-27 2010-02-08 주식회사 포스코 자기특성이 우수한 방향성 전기강판의 제조방법
SI1752549T1 (sl) * 2005-08-03 2016-09-30 Thyssenkrupp Steel Europe Ag Postopek za proizvodnjo zrnato usmerjene magnetne jeklene vzmeti
SI1752548T1 (sl) * 2005-08-03 2016-09-30 Thyssenkrupp Steel Europe Ag Metoda za proizvodnjo magnetnega zrnato usmerjenega jeklenega traku
CN102762752B (zh) * 2010-02-18 2016-04-13 新日铁住金株式会社 方向性电磁钢板的制造方法
EP3693496A1 (de) 2019-02-06 2020-08-12 Rembrandtin Lack GmbH Nfg.KG Wässrige zusammensetzung zur beschichtung von kornorientiertem stahl
KR102268494B1 (ko) * 2019-06-26 2021-06-22 주식회사 포스코 방향성 전기강판 및 그 제조 방법
CN115505694B (zh) * 2022-09-23 2024-06-28 无锡普天铁心股份有限公司 一种低温超高磁感取向硅钢及其制造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224116A (en) * 1975-08-20 1977-02-23 Nippon Steel Corp Material of high magnetic flux density one directionally orientated el ectromagnetic steel and its treating method
US4338144A (en) * 1980-03-24 1982-07-06 General Electric Company Method of producing silicon-iron sheet material with annealing atmospheres of nitrogen and hydrogen
JPS59190324A (ja) * 1983-04-09 1984-10-29 Kawasaki Steel Corp 磁束密度の高い一方向性けい素鋼板の製造方法
JPS6160896A (ja) * 1984-08-29 1986-03-28 Nippon Steel Corp アルコ−ルもしくはアルコ−ル含有燃料容器用鋼板
JPS6475627A (en) * 1987-09-18 1989-03-22 Nippon Steel Corp Production of grain oriented electrical steel sheet having extremely high magnetic flux density
EP0321695B1 (de) * 1987-11-20 1993-07-21 Nippon Steel Corporation Verfahren zur Herstellung von kornorientierten Elektrostahlblechen mit hoher Flussdichte
EP0326912B1 (de) * 1988-02-03 1994-07-27 Nippon Steel Corporation Verfahren zum Herstellen kornorientierter Elektrostahlbleche mit hoher Flussdichte
JPH0717961B2 (ja) * 1988-04-25 1995-03-01 新日本製鐵株式会社 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法
JPH0774388B2 (ja) * 1989-09-28 1995-08-09 新日本製鐵株式会社 磁束密度の高い一方向性珪素鋼板の製造方法

Also Published As

Publication number Publication date
KR940008932B1 (ko) 1994-09-28
JPH04173923A (ja) 1992-06-22
EP0484904A3 (de) 1994-02-23
DE69131977T2 (de) 2000-06-08
US5190597A (en) 1993-03-02
KR920009999A (ko) 1992-06-26
JPH07122096B2 (ja) 1995-12-25
EP0484904B1 (de) 2000-02-09
EP0484904A2 (de) 1992-05-13

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