EP0390142A3 - Procédé de fabrication d'une tôle en acier électromagnétique à grain orienté ayant une haute densité de flux magnétique - Google Patents

Procédé de fabrication d'une tôle en acier électromagnétique à grain orienté ayant une haute densité de flux magnétique Download PDF

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Publication number
EP0390142A3
EP0390142A3 EP19900106018 EP90106018A EP0390142A3 EP 0390142 A3 EP0390142 A3 EP 0390142A3 EP 19900106018 EP19900106018 EP 19900106018 EP 90106018 A EP90106018 A EP 90106018A EP 0390142 A3 EP0390142 A3 EP 0390142A3
Authority
EP
European Patent Office
Prior art keywords
rolling
hot
recrystallization
annealing
cold
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
EP19900106018
Other languages
German (de)
English (en)
Other versions
EP0390142A2 (fr
EP0390142B2 (fr
EP0390142B1 (fr
Inventor
Yoshiyuki c/o Nippon Steel Co. R & D Ushigami
Tadashi c/o Nippon Steel Co. R & D Nakayama
Nobuyuki c/o Nippon Steel Co. R & D Takahasi
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26420973&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0390142(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP1079992A external-priority patent/JPH0689405B2/ja
Priority claimed from JP1079991A external-priority patent/JPH0689404B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP0390142A2 publication Critical patent/EP0390142A2/fr
Publication of EP0390142A3 publication Critical patent/EP0390142A3/fr
Application granted granted Critical
Publication of EP0390142B1 publication Critical patent/EP0390142B1/fr
Publication of EP0390142B2 publication Critical patent/EP0390142B2/fr
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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1255—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1272—Final recrystallisation annealing

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)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
EP19900106018 1989-03-30 1990-03-29 Procédé de fabrication d'une tÔle en acier électromagnétique à grain orienté ayant une haute densité de flux magnétique Expired - Lifetime EP0390142B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1079992A JPH0689405B2 (ja) 1989-03-30 1989-03-30 磁束密度の高い一方向性電磁鋼板の製造方法
JP79991/89 1989-03-30
JP1079991A JPH0689404B2 (ja) 1989-03-30 1989-03-30 磁束密度の高い一方向性電磁鋼板の製造方法
JP79992/89 1989-03-30

Publications (4)

Publication Number Publication Date
EP0390142A2 EP0390142A2 (fr) 1990-10-03
EP0390142A3 true EP0390142A3 (fr) 1992-09-30
EP0390142B1 EP0390142B1 (fr) 1996-06-26
EP0390142B2 EP0390142B2 (fr) 1999-04-28

Family

ID=26420973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900106018 Expired - Lifetime EP0390142B2 (fr) 1989-03-30 1990-03-29 Procédé de fabrication d'une tÔle en acier électromagnétique à grain orienté ayant une haute densité de flux magnétique

Country Status (2)

Country Link
EP (1) EP0390142B2 (fr)
DE (1) DE69027553T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354389A (en) * 1991-07-29 1994-10-11 Nkk Corporation Method of manufacturing silicon steel sheet having grains precisely arranged in Goss orientation
JP2519615B2 (ja) * 1991-09-26 1996-07-31 新日本製鐵株式会社 磁気特性の優れた方向性電磁鋼板の製造方法
JP2620438B2 (ja) * 1991-10-28 1997-06-11 新日本製鐵株式会社 磁束密度の高い一方向性電磁鋼板の製造方法
KR960010811B1 (ko) * 1992-04-16 1996-08-09 신니뽄세이데스 가부시끼가이샤 자성이 우수한 입자배향 전기 강 시트의 제조방법
US6858095B2 (en) 1992-09-04 2005-02-22 Nippon Steel Corporation Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties
JP2659655B2 (ja) * 1992-09-04 1997-09-30 新日本製鐵株式会社 磁気特性の優れた厚い板厚の方向性電磁鋼板
US5858126A (en) * 1992-09-17 1999-01-12 Nippon Steel Corporation Grain-oriented electrical steel sheet and material having very high magnetic flux density and method of manufacturing same
EP0588342B1 (fr) * 1992-09-17 2000-07-12 Nippon Steel Corporation Tôle d'acier électrique à grains orientés et matériau à haute densité de flux magnétique et procédé pour leur fabrication
US5288736A (en) * 1992-11-12 1994-02-22 Armco Inc. Method for producing regular grain oriented electrical steel using a single stage cold reduction
DE4311151C1 (de) * 1993-04-05 1994-07-28 Thyssen Stahl Ag Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten
DE60144270D1 (de) * 2000-08-08 2011-05-05 Nippon Steel Corp Verfahren zur Herstellung eines kornorientierten Elektrobleches mit hoher magnetischer Flussdichte
DE10311215B4 (de) * 2003-03-14 2005-09-15 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen von kornorientiertem, kaltgewalztem Elektroblech oder -band

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867559A (en) * 1956-12-31 1959-01-06 Gen Electric Method for producing grain oriented silicon steel
EP0098324A1 (fr) * 1982-07-08 1984-01-18 Nippon Steel Corporation Procédé de production d'un feuillard d'acier au silicium à grain orienté contenant de l'aluminium
EP0307905A2 (fr) * 1987-09-18 1989-03-22 Nippon Steel Corporation Procédé pour la fabrication de tôles d'acier électrique à grains orientés et à densité de flux magnétique très élevée
EP0219611B1 (fr) * 1985-08-15 1990-05-16 Nippon Steel Corporation Procédé de fabrication d'une tôle en acier électrique à grain orienté

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867559A (en) * 1956-12-31 1959-01-06 Gen Electric Method for producing grain oriented silicon steel
EP0098324A1 (fr) * 1982-07-08 1984-01-18 Nippon Steel Corporation Procédé de production d'un feuillard d'acier au silicium à grain orienté contenant de l'aluminium
EP0219611B1 (fr) * 1985-08-15 1990-05-16 Nippon Steel Corporation Procédé de fabrication d'une tôle en acier électrique à grain orienté
EP0307905A2 (fr) * 1987-09-18 1989-03-22 Nippon Steel Corporation Procédé pour la fabrication de tôles d'acier électrique à grains orientés et à densité de flux magnétique très élevée

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 12, no. 84 (C-482)17 March 1988 & JP-A-62 222 024 ( NIPPON STEEL ) 30 September 1987 *
PATENT ABSTRACTS OF JAPAN vol. 9, no. 82 (C-275)(1805) 11 April 1985 & JP-A-59 215 419 ( SHIN NIPPON SEITETSU ) 5 December 1984 *

Also Published As

Publication number Publication date
EP0390142A2 (fr) 1990-10-03
DE69027553D1 (de) 1996-08-01
DE69027553T2 (de) 1997-02-20
DE69027553T3 (de) 1999-11-11
EP0390142B2 (fr) 1999-04-28
EP0390142B1 (fr) 1996-06-26

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