EP0947597A3 - Verfahren zur Herstellung eines kornorientierten Elektrobleches mit ausgezeichneten magnetischen Eigenschaften - Google Patents

Verfahren zur Herstellung eines kornorientierten Elektrobleches mit ausgezeichneten magnetischen Eigenschaften Download PDF

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Publication number
EP0947597A3
EP0947597A3 EP99105071A EP99105071A EP0947597A3 EP 0947597 A3 EP0947597 A3 EP 0947597A3 EP 99105071 A EP99105071 A EP 99105071A EP 99105071 A EP99105071 A EP 99105071A EP 0947597 A3 EP0947597 A3 EP 0947597A3
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EP
European Patent Office
Prior art keywords
hot
annealing
grain
producing
steel sheet
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
EP99105071A
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English (en)
French (fr)
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EP0947597A2 (de
EP0947597B1 (de
EP0947597B2 (de
Inventor
Tomoji c/oNIPPON STEEL CORP. YAWATA WORKS Kumano
Norikazu c/oNIPPON STEEL CORP YAWATA WORK Fujii
Katsuro c/o NITTETSU PLANT DESIGNING CORP Kuroki
Koji c/oNIPPON STEEL CORP. YAWATA WORKS Yamasaki
Yoshifumi NIPPON STEEL CORP. YAWATA WORK Ohata
Hisashi c/o NIPPON STEEL CORP. YAWATA WORKS Mogi
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
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Nippon Steel Corp
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26425094&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0947597(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to DE69923102.7T priority Critical patent/DE69923102T3/de
Publication of EP0947597A2 publication Critical patent/EP0947597A2/de
Publication of EP0947597A3 publication Critical patent/EP0947597A3/de
Publication of EP0947597B1 publication Critical patent/EP0947597B1/de
Application granted granted Critical
Publication of EP0947597B2 publication Critical patent/EP0947597B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • C21D8/1255—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
    • 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
    • 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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1227—Warm rolling
    • 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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
EP99105071.7A 1998-03-30 1999-03-23 Verfahren zur Herstellung eines kornorientierten Elektrobleches mit ausgezeichneten magnetischen Eigenschaften Expired - Lifetime EP0947597B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE69923102.7T DE69923102T3 (de) 1998-03-30 1999-03-23 Verfahren zur Herstellung eines kornorientierten Elektrobleches mit ausgezeichneten magnetischen Eigenschaften

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP8400798 1998-03-30
JP8400798 1998-03-30
JP30750798 1998-10-28
JP30750798 1998-10-28

Publications (4)

Publication Number Publication Date
EP0947597A2 EP0947597A2 (de) 1999-10-06
EP0947597A3 true EP0947597A3 (de) 2001-01-31
EP0947597B1 EP0947597B1 (de) 2005-01-12
EP0947597B2 EP0947597B2 (de) 2015-06-10

Family

ID=26425094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99105071.7A Expired - Lifetime EP0947597B2 (de) 1998-03-30 1999-03-23 Verfahren zur Herstellung eines kornorientierten Elektrobleches mit ausgezeichneten magnetischen Eigenschaften

Country Status (3)

Country Link
EP (1) EP0947597B2 (de)
KR (1) KR19990078406A (de)
DE (1) DE69923102T3 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010064942A (ko) * 1999-12-20 2001-07-11 이구택 자기특성이 우수한 방향성 전기강판의 제조방법
KR100501002B1 (ko) * 2000-05-24 2005-07-18 주식회사 포스코 방향성 전기강판의 제조방법
EP1162280B1 (de) * 2000-06-05 2013-08-07 Nippon Steel & Sumitomo Metal Corporation Verfahren zur Herstellung eines kornorientierten Elektrobleches mit ausgezeichneten magnetischen Eigenschaften
KR100501003B1 (ko) * 2000-06-16 2005-07-18 주식회사 포스코 방향성 전기강판의 제조방법
IT1316026B1 (it) * 2000-12-18 2003-03-26 Acciai Speciali Terni Spa Procedimento per la fabbricazione di lamierini a grano orientato.
KR100544637B1 (ko) * 2001-12-24 2006-01-24 주식회사 포스코 자기적 성질이 우수한 방향성 전기강판의 제조방법
DE10311215B4 (de) * 2003-03-14 2005-09-15 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen von kornorientiertem, kaltgewalztem Elektroblech oder -band
KR100721822B1 (ko) * 2005-12-20 2007-05-28 주식회사 포스코 저철손 고자속밀도를 갖는 방향성 전기강판 제조방법
KR100957911B1 (ko) * 2007-12-28 2010-05-13 주식회사 포스코 자성이 우수한 방향성 전기강판 및 그 제조방법
RU2465348C1 (ru) 2008-09-10 2012-10-27 Ниппон Стил Корпорейшн Способ производства листа из электротехнической стали с ориентированным зерном
KR101051743B1 (ko) * 2008-12-03 2011-07-25 주식회사 포스코 자기특성이 우수한 방향성 전기강판 및 그 제조방법
PL2418294T3 (pl) 2009-04-06 2020-06-01 Nippon Steel Corporation Sposób obróbki stali na blachę cienką ze stali elektrotechnicznej o ziarnach zorientowanych i sposób wytwarzania blachy cienkiej ze stali elektrotechnicznej o ziarnach zorientowanych
DE102011054004A1 (de) 2011-09-28 2013-03-28 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrobands oder -blechs
US9663839B2 (en) 2011-12-16 2017-05-30 Posco Method for manufacturing grain-oriented electrical steel sheet having excellent magnetic properties
KR101521253B1 (ko) * 2012-11-15 2015-05-18 주식회사 포스코 방향성 전기강판 및 그의 제조방법
KR101480498B1 (ko) * 2012-12-28 2015-01-08 주식회사 포스코 방향성 전기강판 및 그 제조방법
CZ2014325A3 (cs) * 2014-05-12 2015-11-11 Arcelormittal Ostrava A.S. Pás z orientované transformátorové oceli a způsob jeho výroby
KR101677551B1 (ko) * 2014-12-18 2016-11-18 주식회사 포스코 방향성 전기강판 및 그 제조방법
DE102017220714B3 (de) * 2017-11-20 2019-01-24 Thyssenkrupp Ag Optimierung des Stickstofflevels während der Haubenglühung

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956522A (ja) * 1982-09-24 1984-04-02 Nippon Steel Corp 鉄損の良い一方向性電磁鋼板の製造方法
EP0339474A1 (de) * 1988-04-25 1989-11-02 Nippon Steel Corporation Verfahren zur Herstellung von kornorientiertem Elektrostahlblech mit ausgezeichneten magnetischen Eigenschaften und Filmeigenschaften
EP0219611B1 (de) * 1985-08-15 1990-05-16 Nippon Steel Corporation Verfahren zur Herstellung eines kornorientierten Elektro-Stahlblechs
JPH02182866A (ja) * 1989-01-07 1990-07-17 Nippon Steel Corp 磁気特性の優れた一方向性電磁鋼板の製造方法
EP0378131A2 (de) * 1989-01-07 1990-07-18 Nippon Steel Corporation Verfahren zum Herstellen eines kornorientierten Elektrostahlbandes
JPH03189964A (ja) * 1989-12-20 1991-08-19 Matsushita Electric Ind Co Ltd データ再生装置
DE4311151C1 (de) * 1993-04-05 1994-07-28 Thyssen Stahl Ag Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten
EP0743370A2 (de) * 1995-05-16 1996-11-20 Armco Inc. Kornorientierte Elektrobleche mit erhöhtem elektrischen Durchgangswiderstand und ein Verfahren zum Herstellen dieser Bleche

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1284268B1 (it) † 1996-08-30 1998-05-14 Acciai Speciali Terni Spa Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche, a partire da
IT1285153B1 (it) † 1996-09-05 1998-06-03 Acciai Speciali Terni Spa Procedimento per la produzione di lamierino magnetico a grano orientato, a partire da bramma sottile.
IT1290977B1 (it) † 1997-03-14 1998-12-14 Acciai Speciali Terni Spa Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956522A (ja) * 1982-09-24 1984-04-02 Nippon Steel Corp 鉄損の良い一方向性電磁鋼板の製造方法
US4623407A (en) * 1982-09-24 1986-11-18 Nippon Steel Corporation Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density
EP0219611B1 (de) * 1985-08-15 1990-05-16 Nippon Steel Corporation Verfahren zur Herstellung eines kornorientierten Elektro-Stahlblechs
EP0339474A1 (de) * 1988-04-25 1989-11-02 Nippon Steel Corporation Verfahren zur Herstellung von kornorientiertem Elektrostahlblech mit ausgezeichneten magnetischen Eigenschaften und Filmeigenschaften
JPH05112827A (ja) * 1988-04-25 1993-05-07 Nippon Steel Corp 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
JPH02182866A (ja) * 1989-01-07 1990-07-17 Nippon Steel Corp 磁気特性の優れた一方向性電磁鋼板の製造方法
EP0378131A2 (de) * 1989-01-07 1990-07-18 Nippon Steel Corporation Verfahren zum Herstellen eines kornorientierten Elektrostahlbandes
JPH03189964A (ja) * 1989-12-20 1991-08-19 Matsushita Electric Ind Co Ltd データ再生装置
DE4311151C1 (de) * 1993-04-05 1994-07-28 Thyssen Stahl Ag Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten
JPH06322443A (ja) * 1993-04-05 1994-11-22 Thyssen Stahl Ag 鉄損が優れた一方向性電磁鋼板の製造方法
EP0743370A2 (de) * 1995-05-16 1996-11-20 Armco Inc. Kornorientierte Elektrobleche mit erhöhtem elektrischen Durchgangswiderstand und ein Verfahren zum Herstellen dieser Bleche

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 456 (C - 0765) 2 October 1990 (1990-10-02) *

Also Published As

Publication number Publication date
EP0947597A2 (de) 1999-10-06
DE69923102D1 (de) 2005-02-17
KR19990078406A (ko) 1999-10-25
EP0947597B1 (de) 2005-01-12
DE69923102T2 (de) 2005-12-29
DE69923102T3 (de) 2015-10-15
EP0947597B2 (de) 2015-06-10

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