DE69707159D1 - Verfahren zum regeln der inhibierung beim herstellen von kornorientierten elektroblechen - Google Patents

Verfahren zum regeln der inhibierung beim herstellen von kornorientierten elektroblechen

Info

Publication number
DE69707159D1
DE69707159D1 DE69707159T DE69707159T DE69707159D1 DE 69707159 D1 DE69707159 D1 DE 69707159D1 DE 69707159 T DE69707159 T DE 69707159T DE 69707159 T DE69707159 T DE 69707159T DE 69707159 D1 DE69707159 D1 DE 69707159D1
Authority
DE
Germany
Prior art keywords
production
cornoriented
electroplates
steel
inhibition
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 - Lifetime
Application number
DE69707159T
Other languages
English (en)
Other versions
DE69707159T2 (de
Inventor
Stefano Fortunati
Stefano Cicale
Giuseppe Abbruzzese
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.)
Acciai Speciali Terni SpA
Original Assignee
Acciai Speciali Terni SpA
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 Acciai Speciali Terni SpA filed Critical Acciai Speciali Terni SpA
Application granted granted Critical
Publication of DE69707159D1 publication Critical patent/DE69707159D1/de
Publication of DE69707159T2 publication Critical patent/DE69707159T2/de
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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/1266—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 between cold rolling steps
    • 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
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
    • 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
DE69707159T 1997-03-14 1997-07-28 Verfahren zum regeln der inhibierung beim herstellen von kornorientierten elektroblechen Expired - Lifetime DE69707159T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97RM000147A IT1290978B1 (it) 1997-03-14 1997-03-14 Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato
PCT/EP1997/004089 WO1998041660A1 (en) 1997-03-14 1997-07-28 Process for the inhibition control in the production of grain-oriented electrical sheets

Publications (2)

Publication Number Publication Date
DE69707159D1 true DE69707159D1 (de) 2001-11-08
DE69707159T2 DE69707159T2 (de) 2002-06-06

Family

ID=11404861

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69707159T Expired - Lifetime DE69707159T2 (de) 1997-03-14 1997-07-28 Verfahren zum regeln der inhibierung beim herstellen von kornorientierten elektroblechen

Country Status (16)

Country Link
US (1) US6361621B1 (de)
EP (1) EP0966548B1 (de)
JP (1) JP2001515541A (de)
KR (1) KR100561144B1 (de)
CN (1) CN1089373C (de)
AT (1) ATE206474T1 (de)
AU (1) AU3941397A (de)
BR (1) BR9714629A (de)
CZ (1) CZ295534B6 (de)
DE (1) DE69707159T2 (de)
ES (1) ES2165081T3 (de)
IT (1) IT1290978B1 (de)
PL (1) PL182837B1 (de)
RU (1) RU2195506C2 (de)
SK (1) SK284361B6 (de)
WO (1) WO1998041660A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1299137B1 (it) 1998-03-10 2000-02-29 Acciai Speciali Terni Spa Processo per il controllo e la regolazione della ricristallizzazione secondaria nella produzione di lamierini magnetici a grano orientato
IT1317894B1 (it) * 2000-08-09 2003-07-15 Acciai Speciali Terni Spa Procedimento per la regolazione della distribuzione degli inibitorinella produzione di lamierini magnetici a grano orientato.
IT1316026B1 (it) * 2000-12-18 2003-03-26 Acciai Speciali Terni Spa Procedimento per la fabbricazione di lamierini a grano orientato.
CN100475982C (zh) * 2002-05-08 2009-04-08 Ak钢铁资产公司 非取向电工钢带的连铸方法
US20050000596A1 (en) * 2003-05-14 2005-01-06 Ak Properties Inc. Method for production of non-oriented electrical steel strip
CN102127708A (zh) * 2011-01-16 2011-07-20 首钢总公司 一种低温板坯加热生产取向电工钢的方法
CN104894354B (zh) * 2015-06-09 2017-11-10 北京科技大学 一种低温热轧板制备薄规格高磁感取向硅钢的生产方法

Family Cites Families (23)

* 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
US3671337A (en) * 1969-02-21 1972-06-20 Nippon Steel Corp Process for producing grain oriented electromagnetic steel sheets having excellent magnetic characteristics
JPS5032059B2 (de) * 1971-12-24 1975-10-17
JPS5933170B2 (ja) 1978-10-02 1984-08-14 新日本製鐵株式会社 磁束密度の極めて高い、含Ａｌ一方向性珪素鋼板の製造法
JPS59208020A (ja) * 1983-05-12 1984-11-26 Nippon Steel Corp 低鉄損一方向性電磁鋼板の製造方法
JPH0717961B2 (ja) * 1988-04-25 1995-03-01 新日本製鐵株式会社 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
US5759293A (en) * 1989-01-07 1998-06-02 Nippon Steel Corporation Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip
JPH0730397B2 (ja) * 1990-04-13 1995-04-05 新日本製鐵株式会社 磁気特性の優れた一方向性電磁鋼板の製造方法
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
KR960010811B1 (ko) * 1992-04-16 1996-08-09 신니뽄세이데스 가부시끼가이샤 자성이 우수한 입자배향 전기 강 시트의 제조방법
US5507883A (en) * 1992-06-26 1996-04-16 Nippon Steel Corporation Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same
DE4311151C1 (de) * 1993-04-05 1994-07-28 Thyssen Stahl Ag Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten
JP3240035B2 (ja) * 1994-07-22 2001-12-17 川崎製鉄株式会社 コイル全長にわたり磁気特性に優れた方向性けい素鋼板の製造方法
JP3598590B2 (ja) * 1994-12-05 2004-12-08 Ｊｆｅスチール株式会社 磁束密度が高くかつ鉄損の低い一方向性電磁鋼板
FR2731713B1 (fr) * 1995-03-14 1997-04-11 Ugine Sa Procede de fabrication d'une tole d'acier electrique a grains orientes pour la realisation notamment de circuits magnetiques de transformateurs
US5643370A (en) * 1995-05-16 1997-07-01 Armco Inc. Grain oriented electrical steel having high volume resistivity and method for producing same
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.
US5885371A (en) * 1996-10-11 1999-03-23 Kawasaki Steel Corporation Method of producing grain-oriented magnetic steel sheet
IT1290171B1 (it) 1996-12-24 1998-10-19 Acciai Speciali Terni Spa Procedimento per il trattamento di acciaio al silicio, a grano orientato.
IT1290173B1 (it) 1996-12-24 1998-10-19 Acciai Speciali Terni Spa Procedimento per la produzione di lamierino di acciaio al silicio a grano orientato
IT1290172B1 (it) 1996-12-24 1998-10-19 Acciai Speciali Terni Spa Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche.
US6049933A (en) * 1997-08-12 2000-04-18 Zodiac Pool Care, Inc. Bumper assemblies for swimming pool cleaners

Also Published As

Publication number Publication date
EP0966548B1 (de) 2001-10-04
DE69707159T2 (de) 2002-06-06
CZ9903250A3 (cs) 2001-07-11
ITRM970147A1 (it) 1998-09-14
ES2165081T3 (es) 2002-03-01
ATE206474T1 (de) 2001-10-15
KR20000076234A (ko) 2000-12-26
CN1089373C (zh) 2002-08-21
SK122499A3 (en) 2000-05-16
SK284361B6 (sk) 2005-02-04
CN1249007A (zh) 2000-03-29
EP0966548A1 (de) 1999-12-29
IT1290978B1 (it) 1998-12-14
US6361621B1 (en) 2002-03-26
KR100561144B1 (ko) 2006-03-15
JP2001515541A (ja) 2001-09-18
BR9714629A (pt) 2000-03-28
RU2195506C2 (ru) 2002-12-27
PL335654A1 (en) 2000-05-08
CZ295534B6 (cs) 2005-08-17
AU3941397A (en) 1998-10-12
PL182837B1 (pl) 2002-03-29
WO1998041660A1 (en) 1998-09-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SEITZ, R., DIPL.-ING.UNIV., PAT.-ANW., 80538 MUENC