EP0469980A1 - Verfahren zur Herstellung nichtkornorientierter magnetischer Stahlbleche und also erhaltene Stahlbleche - Google Patents

Verfahren zur Herstellung nichtkornorientierter magnetischer Stahlbleche und also erhaltene Stahlbleche Download PDF

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Publication number
EP0469980A1
EP0469980A1 EP91402117A EP91402117A EP0469980A1 EP 0469980 A1 EP0469980 A1 EP 0469980A1 EP 91402117 A EP91402117 A EP 91402117A EP 91402117 A EP91402117 A EP 91402117A EP 0469980 A1 EP0469980 A1 EP 0469980A1
Authority
EP
European Patent Office
Prior art keywords
sheet
tesla
temperature
heat treatment
hertz
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
EP91402117A
Other languages
English (en)
French (fr)
Other versions
EP0469980B1 (de
Inventor
André Bertoni
Jean-Luc Laverny
Jean Verdun
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.)
USINOR SA
Sollac SA
Original Assignee
Ugine Aciers
Ugine Aciers de Chatillon et Guegnon
Ugine SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9399224&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0469980(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ugine Aciers, Ugine Aciers de Chatillon et Guegnon, Ugine SA filed Critical Ugine Aciers
Publication of EP0469980A1 publication Critical patent/EP0469980A1/de
Application granted granted Critical
Publication of EP0469980B1 publication Critical patent/EP0469980B1/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
    • 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
    • C21D8/1222—Hot 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
    • C21D8/1261—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 following hot rolling

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)
EP91402117A 1990-07-30 1991-07-29 Verfahren zur Herstellung nichtkornorientierter magnetischer Stahlbleche und also erhaltene Stahlbleche Expired - Lifetime EP0469980B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9009694 1990-07-30
FR9009694A FR2665181B1 (fr) 1990-07-30 1990-07-30 Procede de fabrication de tole d'acier magnetique a grains non orientes et tole obtenue par ce procede.

Publications (2)

Publication Number Publication Date
EP0469980A1 true EP0469980A1 (de) 1992-02-05
EP0469980B1 EP0469980B1 (de) 1996-07-10

Family

ID=9399224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91402117A Expired - Lifetime EP0469980B1 (de) 1990-07-30 1991-07-29 Verfahren zur Herstellung nichtkornorientierter magnetischer Stahlbleche und also erhaltene Stahlbleche

Country Status (7)

Country Link
EP (1) EP0469980B1 (de)
AT (1) ATE140271T1 (de)
DE (1) DE69120738T2 (de)
DK (1) DK0469980T3 (de)
ES (1) ES2091889T3 (de)
FR (1) FR2665181B1 (de)
GR (1) GR3020930T3 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0609190A1 (de) * 1993-01-29 1994-08-03 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif Verfahren zur Herstellung eines warmgewalzten Stahlbleches mit hohen magnetischen Eigenschaften
EP0613957A1 (de) * 1993-02-02 1994-09-07 Institut für Festkörper- und Werkstofforschung Dresden e.V. Verfahren zur Herstellung von Elektroblech
EP0681031A1 (de) * 1994-02-07 1995-11-08 RECHERCHE ET DEVELOPPEMENT DU GROUPE COCKERILL SAMBRE, en abrégé: RD-CS Verfahren zum Herstellen von Weichstahl
EP0786528A1 (de) 1996-01-25 1997-07-30 Usinor Sacilor Verfahren zum Herstellen nichtkornorientierter Elektrobleche und nach diesem Verfahren hergestellte Bleche
DE19930519C1 (de) * 1999-07-05 2000-09-14 Thyssenkrupp Stahl Ag Verfahren zum Herstellen von nicht kornorientiertem Elektroblech
DE19918484A1 (de) * 1999-04-23 2000-10-26 Ebg Elektromagnet Werkstoffe Verfahren zum Herstellen von nichtkornorientiertem Elektroblech
US6503339B1 (en) 1998-02-20 2003-01-07 Thyssen Krupp Stahl Ag Method for producing non-grain oriented magnetic sheet steel
US7501028B2 (en) 2002-05-15 2009-03-10 Thyssenkrupp Stahl Ag Non-grain oriented magnetic steel strip or magnetic steel sheet and method for its production

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021115174A1 (de) 2021-06-11 2021-11-11 Technische Universität Bergakademie Freiberg, Körperschaft des öffentlichen Rechts Verfahren zur Herstellung eines höherpermeablen, nichtkornorientierten Elektrobleches und dessen Verwendung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531090A (fr) * 1966-07-13 1968-06-28 Koninklijke Hoogovens En Staal Procédé de fabrication de l'acier à dynamos
US4851056A (en) * 1981-12-28 1989-07-25 Nippon Steel Corporation Process for producing a semi-processed non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4819766B1 (de) * 1970-03-30 1973-06-15
GB2057500B (en) * 1979-09-07 1983-05-18 British Steel Corp Electro magnetic steels
JPS58204126A (ja) * 1982-05-21 1983-11-28 Kawasaki Steel Corp 磁気特性のすぐれた無方向性電磁鋼帯の製造方法
JPS6383226A (ja) * 1986-09-29 1988-04-13 Nkk Corp 板厚精度および磁気特性が極めて均一な無方向性電磁鋼板およびその製造方法
JPH0788530B2 (ja) * 1987-06-24 1995-09-27 住友金属工業株式会社 磁束密度の高い無方向性電磁鋼板の製造方法
JP2501219B2 (ja) * 1987-12-25 1996-05-29 川崎製鉄株式会社 無方向性電磁鋼板の製造方法
IT1237481B (it) * 1989-12-22 1993-06-07 Sviluppo Materiali Spa Procedimento per la prodizione di lamierino magnetico semifinito a grano non orientato.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531090A (fr) * 1966-07-13 1968-06-28 Koninklijke Hoogovens En Staal Procédé de fabrication de l'acier à dynamos
US4851056A (en) * 1981-12-28 1989-07-25 Nippon Steel Corporation Process for producing a semi-processed non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 12, no. 501 (C-556)[3348], 27 décember 1988; & JP-A-63 210 237 (SUMITOMO METAL) 31-08-1988 *
PATENT ABSTRACTS OF JAPAN, vol. 13, no. 174 (C-589)[3522], 25 avril 1989; & JP-A-1 004 425 (SUMITOMO METAL) 09-01-1989 *
PATENT ABSTRACTS OF JAPAN, vol. 13, no. 442 (C-641)[3790], 4 octobre 1989; & JP-A-1 168 815 (KAWASAKI STEEL) 04-07-1989 *
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 46 (C-212)[1483], 29 février 1984; & JP-A-58 204 126 (KAWASAKI SEITETSU) 28-11-1983 *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6773514B1 (en) 1909-07-05 2004-08-10 Thyssen Krupp Stahl Ag Method for producing non-grain oriented electric sheet steel
EP0609190A1 (de) * 1993-01-29 1994-08-03 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif Verfahren zur Herstellung eines warmgewalzten Stahlbleches mit hohen magnetischen Eigenschaften
EP0613957A1 (de) * 1993-02-02 1994-09-07 Institut für Festkörper- und Werkstofforschung Dresden e.V. Verfahren zur Herstellung von Elektroblech
EP0681031A1 (de) * 1994-02-07 1995-11-08 RECHERCHE ET DEVELOPPEMENT DU GROUPE COCKERILL SAMBRE, en abrégé: RD-CS Verfahren zum Herstellen von Weichstahl
BE1007927A3 (fr) * 1994-02-07 1995-11-21 Cockerill Rech & Dev Procede de production d'acier doux.
EP0786528A1 (de) 1996-01-25 1997-07-30 Usinor Sacilor Verfahren zum Herstellen nichtkornorientierter Elektrobleche und nach diesem Verfahren hergestellte Bleche
FR2744135A1 (fr) * 1996-01-25 1997-08-01 Usinor Sacilor Procede de fabrication de tole d'acier magnetique a grains non orientes et tole obtenue par le procede
EP1473371A3 (de) * 1996-01-25 2005-04-13 Usinor Verfahren zum Herstellen nicht kornorientierter Elektrobleche und nach diesem Verfahren hergestellte Bleche
EP1473371A2 (de) * 1996-01-25 2004-11-03 Usinor Verfahren zum Herstellen nicht kornorientierter Elektrobleche und nach diesem Verfahren hergestellte Bleche
US6503339B1 (en) 1998-02-20 2003-01-07 Thyssen Krupp Stahl Ag Method for producing non-grain oriented magnetic sheet steel
DE19918484C2 (de) * 1999-04-23 2002-04-04 Ebg Elektromagnet Werkstoffe Verfahren zum Herstellen von nichtkornorientiertem Elektroblech
DE19918484A1 (de) * 1999-04-23 2000-10-26 Ebg Elektromagnet Werkstoffe Verfahren zum Herstellen von nichtkornorientiertem Elektroblech
WO2001002610A1 (de) * 1999-07-05 2001-01-11 Thyssen Krupp Stahl Ag Verfahren zum herstellen von nicht kornorientiertem elektroblech
DE19930519C1 (de) * 1999-07-05 2000-09-14 Thyssenkrupp Stahl Ag Verfahren zum Herstellen von nicht kornorientiertem Elektroblech
US7501028B2 (en) 2002-05-15 2009-03-10 Thyssenkrupp Stahl Ag Non-grain oriented magnetic steel strip or magnetic steel sheet and method for its production

Also Published As

Publication number Publication date
FR2665181B1 (fr) 1994-05-27
DE69120738T2 (de) 1996-11-21
DE69120738D1 (de) 1996-08-14
GR3020930T3 (en) 1996-12-31
EP0469980B1 (de) 1996-07-10
ATE140271T1 (de) 1996-07-15
FR2665181A1 (fr) 1992-01-31
DK0469980T3 (da) 1996-11-18
ES2091889T3 (es) 1996-11-16

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