EP0378131A3 - Procédé de fabrication d'une bande en acier électrique à grain orienté - Google Patents

Procédé de fabrication d'une bande en acier électrique à grain orienté Download PDF

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Publication number
EP0378131A3
EP0378131A3 EP19900100231 EP90100231A EP0378131A3 EP 0378131 A3 EP0378131 A3 EP 0378131A3 EP 19900100231 EP19900100231 EP 19900100231 EP 90100231 A EP90100231 A EP 90100231A EP 0378131 A3 EP0378131 A3 EP 0378131A3
Authority
EP
European Patent Office
Prior art keywords
grain
manufacturing
steel strip
electrical steel
oriented electrical
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
EP19900100231
Other languages
German (de)
English (en)
Other versions
EP0378131B1 (fr
EP0378131A2 (fr
Inventor
Nobuyuki c/o R & D Laboratories-III Takahashi
Yasunari c/o R & D Laboratories-III Yoshitomi
Tadashi c/o R & D Laboratories-III Nakayama
Yoshiyuki c/o R & D Laboratories-III Ushigami
Yozo c/o R & D Laboratories-III Suga
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
Priority claimed from JP1001778A external-priority patent/JPH0832929B2/ja
Priority claimed from JP1086502A external-priority patent/JPH0684524B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP0378131A2 publication Critical patent/EP0378131A2/fr
Publication of EP0378131A3 publication Critical patent/EP0378131A3/fr
Application granted granted Critical
Publication of EP0378131B1 publication Critical patent/EP0378131B1/fr
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
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D8/1216—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
    • C21D8/1216—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)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
EP90100231A 1989-01-07 1990-01-05 Procédé de fabrication d'une bande en acier électrique à grain orienté Expired - Lifetime EP0378131B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1001778A JPH0832929B2 (ja) 1989-01-07 1989-01-07 磁気特性の優れた一方向性電磁鋼板の製造方法
JP1778/89 1989-01-07
JP86502/89 1989-04-05
JP1086502A JPH0684524B2 (ja) 1989-04-05 1989-04-05 方向性電磁鋼板の１次再結晶焼鈍方法

Publications (3)

Publication Number Publication Date
EP0378131A2 EP0378131A2 (fr) 1990-07-18
EP0378131A3 true EP0378131A3 (fr) 1992-09-30
EP0378131B1 EP0378131B1 (fr) 1997-05-28

Family

ID=26335068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90100231A Expired - Lifetime EP0378131B1 (fr) 1989-01-07 1990-01-05 Procédé de fabrication d'une bande en acier électrique à grain orienté

Country Status (2)

Country Link
EP (1) EP0378131B1 (fr)
DE (1) DE69030771T2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472521A (en) * 1933-10-19 1995-12-05 Nippon Steel Corporation Production method of grain oriented electrical steel sheet having excellent magnetic characteristics
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
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
US6858095B2 (en) 1992-09-04 2005-02-22 Nippon Steel Corporation Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties
US5665178A (en) * 1995-02-13 1997-09-09 Kawasaki Steel Corporation Method of manufacturing grain-oriented silicon steel sheet having excellent magnetic characteristics
KR100241167B1 (ko) * 1995-04-18 2000-03-02 에모토 간지 연속열간압연에 있어서의 강편접합부의 압연방법
EP0947597B2 (fr) * 1998-03-30 2015-06-10 Nippon Steel & Sumitomo Metal Corporation Procédé de fabrication d'une tôle d'acier à grains orientés presentant d'excellentes caracteristiques magnétiques
KR100501002B1 (ko) * 2000-05-24 2005-07-18 주식회사 포스코 방향성 전기강판의 제조방법
KR100501003B1 (ko) * 2000-06-16 2005-07-18 주식회사 포스코 방향성 전기강판의 제조방법
DE102011107304A1 (de) * 2011-07-06 2013-01-10 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrostahlflachprodukts
CN110457729B (zh) * 2019-05-17 2023-04-14 陕西飞机工业（集团）有限公司 半封闭结构钢热处理零件的优化方法、装置及轴类零件

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599340A (en) * 1948-10-21 1952-06-03 Armco Steel Corp Process of increasing the permeability of oriented silicon steels
US2867559A (en) * 1956-12-31 1959-01-06 Gen Electric Method for producing grain oriented silicon steel
US3287183A (en) * 1964-06-22 1966-11-22 Yawata Iron & Steel Co Process for producing single-oriented silicon steel sheets having a high magnetic induction
BE688060A (fr) * 1966-10-10 1967-04-10
US3932234A (en) * 1972-10-13 1976-01-13 Kawasaki Steel Corporation Method for manufacturing single-oriented electrical steel sheets comprising antimony and having a high magnetic induction
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
US4770720A (en) * 1984-11-10 1988-09-13 Nippon Steel Corporation Method for producing a grain-oriented electrical steel sheet having a low watt-loss
EP0219611B1 (fr) * 1985-08-15 1990-05-16 Nippon Steel Corporation Procédé de fabrication d'une tôle en acier électrique à grain orienté

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3882502T2 (de) * 1987-11-20 1993-11-11 Nippon Steel Corp Verfahren zur Herstellung von kornorientierten Elektrostahlblechen mit hoher Flussdichte.
DE68916980T2 (de) * 1988-02-03 1994-11-17 Nippon Steel Corp Verfahren zum Herstellen kornorientierter Elektrostahlbleche mit hoher Flussdichte.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599340A (en) * 1948-10-21 1952-06-03 Armco Steel Corp Process of increasing the permeability of oriented silicon steels
US2867559A (en) * 1956-12-31 1959-01-06 Gen Electric Method for producing grain oriented silicon steel
US3287183A (en) * 1964-06-22 1966-11-22 Yawata Iron & Steel Co Process for producing single-oriented silicon steel sheets having a high magnetic induction
BE688060A (fr) * 1966-10-10 1967-04-10
US3932234A (en) * 1972-10-13 1976-01-13 Kawasaki Steel Corporation Method for manufacturing single-oriented electrical steel sheets comprising antimony and having a high magnetic induction
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
US4770720A (en) * 1984-11-10 1988-09-13 Nippon Steel Corporation Method for producing a grain-oriented electrical steel sheet having a low watt-loss
EP0219611B1 (fr) * 1985-08-15 1990-05-16 Nippon Steel Corporation Procédé de fabrication d'une tôle en acier électrique à grain orienté

Also Published As

Publication number Publication date
EP0378131B1 (fr) 1997-05-28
DE69030771T2 (de) 1997-09-11
EP0378131A2 (fr) 1990-07-18
DE69030771D1 (de) 1997-07-03

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