DE68921479T2 - Verfahren zur herstellung nichtorientierter elektrobleche mit ausgezeichneten magnetischen eigenschaften. - Google Patents

Verfahren zur herstellung nichtorientierter elektrobleche mit ausgezeichneten magnetischen eigenschaften.

Info

Publication number
DE68921479T2
DE68921479T2 DE68921479T DE68921479T DE68921479T2 DE 68921479 T2 DE68921479 T2 DE 68921479T2 DE 68921479 T DE68921479 T DE 68921479T DE 68921479 T DE68921479 T DE 68921479T DE 68921479 T2 DE68921479 T2 DE 68921479T2
Authority
DE
Germany
Prior art keywords
annealing
hot
magnetic properties
rolled sheet
steel
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 - Fee Related
Application number
DE68921479T
Other languages
German (de)
English (en)
Other versions
DE68921479D1 (de
Inventor
Yoshihiro Hosoya
Masaharu Jitsukawa
Akihiko Nishimoto
Kunikazu Tomita
Toshiaki Urabe
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
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 Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of DE68921479D1 publication Critical patent/DE68921479D1/de
Application granted granted Critical
Publication of DE68921479T2 publication Critical patent/DE68921479T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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 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
    • 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
    • C21D8/1216—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 working steps
    • 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 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
    • C21D8/1261—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 following 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 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
    • C21D8/1277—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 involving a particular surface treatment

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)
DE68921479T 1988-02-03 1989-04-26 Verfahren zur herstellung nichtorientierter elektrobleche mit ausgezeichneten magnetischen eigenschaften. Expired - Fee Related DE68921479T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63022073A JPH01198426A (ja) 1988-02-03 1988-02-03 磁気特性の優れた無方向性電磁鋼板の製造方法
PCT/JP1989/000439 WO1990012896A1 (fr) 1988-02-03 1989-04-26 Procede pour fabriquer des toles d'acier electromagnetiques non orientees presentant d'excellentes caracteristiques magnetiques

Publications (2)

Publication Number Publication Date
DE68921479D1 DE68921479D1 (de) 1995-04-06
DE68921479T2 true DE68921479T2 (de) 1995-11-09

Family

ID=12072711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921479T Expired - Fee Related DE68921479T2 (de) 1988-02-03 1989-04-26 Verfahren zur herstellung nichtorientierter elektrobleche mit ausgezeichneten magnetischen eigenschaften.

Country Status (6)

Country Link
US (1) US5164024A (https=)
EP (1) EP0423331B1 (https=)
JP (1) JPH01198426A (https=)
KR (1) KR940000819B1 (https=)
DE (1) DE68921479T2 (https=)
WO (1) WO1990012896A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039326A1 (de) 2008-08-22 2010-02-25 IWT Stiftung Institut für Werkstofftechnik Verfahren zum elektrischen Isolieren von Elektroblech, elektrisch isoliertes Elektroblech, lamellierter magnetischer Kern mit dem Elektroblech und Verfahren zum Herstellen eines lamellierten magnetischen Kerns

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01198427A (ja) * 1988-02-03 1989-08-10 Nkk Corp 磁気特性の優れた無方向性電磁鋼板の製造方法
JPH086135B2 (ja) * 1991-04-25 1996-01-24 新日本製鐵株式会社 磁気特性の優れた無方向性電磁鋼板の製造方法
BE1006599A6 (fr) * 1993-01-29 1994-10-25 Centre Rech Metallurgique Procede de fabrication d'une tole d'acier laminee a chaud presentant des proprietes magnetiques elevees.
JP3333794B2 (ja) * 1994-09-29 2002-10-15 川崎製鉄株式会社 無方向性電磁鋼板の製造方法
SG93282A1 (en) * 1997-01-29 2002-12-17 Sony Corp Heat shrink band steel sheet and manufacturing method thereof
GB2336795B (en) * 1997-01-29 2000-04-12 Sony Corp Manufacturing method for a heat shrink band steel sheet
KR100479992B1 (ko) * 1999-09-22 2005-03-30 주식회사 포스코 자성이 우수한 무방향성 전기강판 및 그 제조방법
KR100544612B1 (ko) * 2001-12-22 2006-01-24 주식회사 포스코 자성이 우수한 무방향성 전기강판의 제조방법
KR101598312B1 (ko) * 2011-11-11 2016-02-26 신닛테츠스미킨 카부시키카이샤 무방향성 전자 강판 및 그 제조 방법
KR101449093B1 (ko) * 2011-12-20 2014-10-13 주식회사 포스코 생산성 및 자기적 성질이 우수한 고규소 강판 및 그 제조방법.
AT524149B1 (de) * 2020-08-20 2022-11-15 Nntech Gmbh Verfahren zur Bearbeitung eines Stahlblechs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4819766B1 (https=) * 1970-03-30 1973-06-15
JPS4926415B1 (https=) * 1970-09-26 1974-07-09
US3770517A (en) * 1972-03-06 1973-11-06 Allegheny Ludlum Ind Inc Method of producing substantially non-oriented silicon steel strip by three-stage cold rolling
US3971678A (en) * 1972-05-31 1976-07-27 Stahlwerke Peine-Salzgitter Aktiengesellschaft Method of making cold-rolled sheet for electrical purposes
JPS5834531B2 (ja) * 1979-01-17 1983-07-27 新日本製鐵株式会社 磁気特性の優れた無方向性珪素鋼板の製造方法
JPS58151453A (ja) * 1982-01-27 1983-09-08 Nippon Steel Corp 鉄損が低くかつ磁束密度のすぐれた無方向性電磁鋼板およびその製造法
JPS58171527A (ja) * 1982-03-31 1983-10-08 Nippon Steel Corp 低級電磁鋼板の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039326A1 (de) 2008-08-22 2010-02-25 IWT Stiftung Institut für Werkstofftechnik Verfahren zum elektrischen Isolieren von Elektroblech, elektrisch isoliertes Elektroblech, lamellierter magnetischer Kern mit dem Elektroblech und Verfahren zum Herstellen eines lamellierten magnetischen Kerns

Also Published As

Publication number Publication date
EP0423331B1 (en) 1995-03-01
KR940000819B1 (ko) 1994-02-02
JPH0583612B2 (https=) 1993-11-26
US5164024A (en) 1992-11-17
KR920700299A (ko) 1992-02-19
EP0423331A4 (en) 1993-02-24
EP0423331A1 (en) 1991-04-24
JPH01198426A (ja) 1989-08-10
WO1990012896A1 (fr) 1990-11-01
DE68921479D1 (de) 1995-04-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee