BR0116246B1 - processo para a produção de aço elétrico de grão orientado. - Google Patents

processo para a produção de aço elétrico de grão orientado.

Info

Publication number
BR0116246B1
BR0116246B1 BRPI0116246-2A BR0116246A BR0116246B1 BR 0116246 B1 BR0116246 B1 BR 0116246B1 BR 0116246 A BR0116246 A BR 0116246A BR 0116246 B1 BR0116246 B1 BR 0116246B1
Authority
BR
Brazil
Prior art keywords
production
sulphides
nitrides
strip
temperature
Prior art date
Application number
BRPI0116246-2A
Other languages
English (en)
Other versions
BR0116246A (pt
Inventor
Stefano Cicale
Stefano Fortunati
Giuseppe Abbruzzese
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 filed Critical
Publication of BR0116246A publication Critical patent/BR0116246A/pt
Publication of BR0116246B1 publication Critical patent/BR0116246B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying 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
    • C21D8/1222Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1205Modifying 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
    • C21D8/1211Rapid solidification; Thin strip casting
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2201/00Treatment for obtaining particular effects
    • C21D2201/05Grain orientation
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying 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
    • C21D8/1233Cold rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244Modifying 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
    • C21D8/1255Modifying 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Cereal-Derived Products (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Continuous Casting (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
BRPI0116246-2A 2000-12-18 2001-12-17 processo para a produção de aço elétrico de grão orientado. BR0116246B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000RM000676A IT1316029B1 (it) 2000-12-18 2000-12-18 Processo per la produzione di acciaio magnetico a grano orientato.
PCT/EP2001/014880 WO2002050318A1 (en) 2000-12-18 2001-12-17 Process for the production of grain oriented electrical steel

Publications (2)

Publication Number Publication Date
BR0116246A BR0116246A (pt) 2004-01-13
BR0116246B1 true BR0116246B1 (pt) 2009-08-11

Family

ID=11455064

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0116246-2A BR0116246B1 (pt) 2000-12-18 2001-12-17 processo para a produção de aço elétrico de grão orientado.

Country Status (16)

Country Link
US (1) US7198682B2 (pt)
EP (1) EP1346068B1 (pt)
JP (1) JP2004516382A (pt)
KR (1) KR100821808B1 (pt)
CN (1) CN100400680C (pt)
AT (1) ATE289360T1 (pt)
AU (1) AU2002217123A1 (pt)
BR (1) BR0116246B1 (pt)
CZ (1) CZ20031686A3 (pt)
DE (1) DE60108980T2 (pt)
ES (1) ES2238387T3 (pt)
IT (1) IT1316029B1 (pt)
PL (1) PL198637B1 (pt)
RU (1) RU2285731C2 (pt)
SK (1) SK286438B6 (pt)
WO (1) WO2002050318A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY157870A (en) * 2007-05-06 2016-07-29 Bluescope Steel Ltd A thin cast strip product with microalloy additions, and method for making the same
IT1396714B1 (it) 2008-11-18 2012-12-14 Ct Sviluppo Materiali Spa Procedimento per la produzione di lamierino magnetico a grano orientato a partire da bramma sottile.
RU2407808C1 (ru) * 2009-08-03 2010-12-27 Открытое акционерное общество "Новолипецкий металлургический комбинат" Способ производства анизотропной электротехнической стали с низкими удельными потерями на перемагничивание
ITRM20110528A1 (it) * 2011-10-05 2013-04-06 Ct Sviluppo Materiali Spa Procedimento per la produzione di lamierino magnetico a grano orientato con alto grado di riduzione a freddo.
DE102012002642B4 (de) 2012-02-08 2013-08-14 Salzgitter Flachstahl Gmbh Warmband zur Herstellung eines Elektroblechs und Verfahren hierzu
JP5942886B2 (ja) * 2013-02-18 2016-06-29 Jfeスチール株式会社 方向性電磁鋼板の窒化処理設備および窒化処理方法
US10214793B2 (en) 2013-02-18 2019-02-26 Jfe Steel Corporation Method and device for nitriding grain-oriented electrical steel sheet
KR101642281B1 (ko) 2014-11-27 2016-07-25 주식회사 포스코 방향성 전기강판 및 이의 제조방법
RU2715586C1 (ru) 2016-07-29 2020-03-02 Зальцгиттер Флахшталь Гмбх Стальная полоса для производства неориентированной электротехнической стали и способ изготовления такой стальной полосы
KR102044321B1 (ko) * 2017-12-26 2019-11-13 주식회사 포스코 방향성 전기강판 및 그의 제조방법
JP7460903B2 (ja) 2020-06-11 2024-04-03 日本製鉄株式会社 特殊鋼板の製造方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0390160B2 (en) * 1989-03-30 2001-02-07 Nippon Steel Corporation Process for producing a grain-oriented electrical steel sheet by means of rapid quench-solidification process
JPH0753885B2 (ja) * 1989-04-17 1995-06-07 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
JPH0753886B2 (ja) * 1989-05-13 1995-06-07 新日本製鐵株式会社 鉄損の優れた薄手高磁束密度一方向性電磁鋼板の製造方法
FR2683229B1 (fr) 1991-10-31 1994-02-18 Ugine Sa Procede d'elaboration d'une bande d'acier magnetique par coulee directe.
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
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.
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
AU2698897A (en) * 1997-04-16 1998-11-11 Acciai Speciali Terni S.P.A. New process for the production of grain oriented electrical steel from thin slabs
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
EP1728885B1 (en) * 1998-03-11 2012-06-13 Nippon Steel Corporation Method for producing a grain-oriented electrical steel sheet
US6309473B1 (en) * 1998-10-09 2001-10-30 Kawasaki Steel Corporation Method of making grain-oriented magnetic steel sheet having low iron loss
CA2287658C (en) 1998-10-27 2009-01-13 Kawasaki Steel Corporation Electromagnetic steel sheet and process for producing the same
IT1316026B1 (it) * 2000-12-18 2003-03-26 Acciai Speciali Terni Spa Procedimento per la fabbricazione di lamierini a grano orientato.
PL197123B1 (pl) * 2001-09-13 2008-03-31 Properties Ak Sposób wytwarzania taśmy ze stali elektrotechnicznej o zorientowanym ziarnie

Also Published As

Publication number Publication date
US7198682B2 (en) 2007-04-03
ES2238387T3 (es) 2005-09-01
ATE289360T1 (de) 2005-03-15
DE60108980D1 (de) 2005-03-24
KR20030076992A (ko) 2003-09-29
PL198637B1 (pl) 2008-07-31
RU2285731C2 (ru) 2006-10-20
BR0116246A (pt) 2004-01-13
CZ20031686A3 (cs) 2004-02-18
JP2004516382A (ja) 2004-06-03
EP1346068A1 (en) 2003-09-24
US20040099342A1 (en) 2004-05-27
ITRM20000676A0 (it) 2000-12-18
PL363453A1 (en) 2004-11-15
KR100821808B1 (ko) 2008-04-11
SK7582003A3 (en) 2003-10-07
ITRM20000676A1 (it) 2002-06-18
RU2003122340A (ru) 2005-01-10
IT1316029B1 (it) 2003-03-26
AU2002217123A1 (en) 2002-07-01
CN1481446A (zh) 2004-03-10
DE60108980T2 (de) 2006-04-06
CN100400680C (zh) 2008-07-09
EP1346068B1 (en) 2005-02-16
WO2002050318A1 (en) 2002-06-27
SK286438B6 (sk) 2008-10-07

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/12/2001, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2342 DE 24-11-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.