BR112012020741A2 - "método de produção de chapa de aço elétrico com grão orientado" - Google Patents

"método de produção de chapa de aço elétrico com grão orientado"

Info

Publication number
BR112012020741A2
BR112012020741A2 BR112012020741A BR112012020741A BR112012020741A2 BR 112012020741 A2 BR112012020741 A2 BR 112012020741A2 BR 112012020741 A BR112012020741 A BR 112012020741A BR 112012020741 A BR112012020741 A BR 112012020741A BR 112012020741 A2 BR112012020741 A2 BR 112012020741A2
Authority
BR
Brazil
Prior art keywords
steel sheet
annealing
mass
production method
grain oriented
Prior art date
Application number
BR112012020741A
Other languages
English (en)
Other versions
BR112012020741B1 (pt
Inventor
Kenichi Murakami
Yoshiyuki Ushigami
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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BR112012020741A2 publication Critical patent/BR112012020741A2/pt
Publication of BR112012020741B1 publication Critical patent/BR112012020741B1/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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D3/00Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02Extraction of non-metals
    • C21D3/04Decarburising
    • 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
    • C21D8/1244Modifying 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
    • 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
    • C21D8/1272Final recrystallisation annealing
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02Pretreatment of the material to be coated
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80After-treatment
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/16Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

método de produção de chapa de aço elétrico com grão orientado. uma laminação a quente é executada em um aço com uma composição predeterminada contendo ti: 0,0020% em massa a 0,010% em massa e/ou cu: 0,010% em massa a 0,50% em massa para obter uma chapa de aço laminada a quente. um recozimento é executado na chapa de aço laminada a quente para obter uma chapa de aço recozida. uma laminação a frio é executada na chapa de aço recozida para obter uma chapa de aço laminada a frio. um recozimento de descarburação é executado na chapa de aço laminada a frio a uma temperatura de 800º c a 950º c para obter uma chapa de aço com recozimento de descarburação. então, um tratamento de nitretação é executado na chapa de aço com recozimento de descarburação a 700º c a 850º c para obter uma chapa de aço nitrificada. um recozimento de acabamento é executado na chapa de aço nitrificada.
BR112012020741-5A 2010-02-18 2011-02-18 Método de produção de folha de aço para fins elétricos com grão orientado BR112012020741B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010033921 2010-02-18
US2010-033921 2010-02-18
PCT/JP2011/053491 WO2011102456A1 (ja) 2010-02-18 2011-02-18 方向性電磁鋼板の製造方法

Publications (2)

Publication Number Publication Date
BR112012020741A2 true BR112012020741A2 (pt) 2016-08-23
BR112012020741B1 BR112012020741B1 (pt) 2022-07-19

Family

ID=44483041

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012020741-5A BR112012020741B1 (pt) 2010-02-18 2011-02-18 Método de produção de folha de aço para fins elétricos com grão orientado

Country Status (8)

Country Link
US (1) US20120312423A1 (pt)
EP (1) EP2537947B1 (pt)
JP (1) JP4943559B2 (pt)
KR (2) KR20120118504A (pt)
CN (1) CN102762752B (pt)
BR (1) BR112012020741B1 (pt)
PL (1) PL2537947T3 (pt)
WO (1) WO2011102456A1 (pt)

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CN103741031B (zh) * 2013-12-27 2016-01-20 钢铁研究总院 薄板坯连铸连轧含钒普通取向硅钢及其制造方法
EP3196320B1 (en) 2014-09-04 2019-08-21 JFE Steel Corporation Method for manufacturing directional magnetic steel sheet, and nitriding treatment equipment
EP3358031B1 (en) * 2015-09-28 2020-09-02 Nippon Steel Corporation Grain-oriented electrical steel sheet and hot-rolled steel sheet for grain-oriented electrical steel sheet
KR101676630B1 (ko) * 2015-11-10 2016-11-16 주식회사 포스코 방향성 전기강판 및 그 제조방법
WO2019013348A1 (ja) * 2017-07-13 2019-01-17 新日鐵住金株式会社 方向性電磁鋼板
RU2727435C1 (ru) 2017-07-13 2020-07-21 Ниппон Стил Корпорейшн Лист анизотропной электротехнической стали
JP6946846B2 (ja) * 2017-08-17 2021-10-13 日本製鉄株式会社 方向性電磁鋼板の製造方法
JP6946847B2 (ja) * 2017-08-17 2021-10-13 日本製鉄株式会社 方向性電磁鋼板の製造方法
KR102099866B1 (ko) * 2017-12-26 2020-04-10 주식회사 포스코 방향성 전기강판 및 그의 제조방법

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Also Published As

Publication number Publication date
EP2537947A4 (en) 2017-07-26
KR20130119516A (ko) 2013-10-31
JPWO2011102456A1 (ja) 2013-06-17
PL2537947T3 (pl) 2019-05-31
CN102762752A (zh) 2012-10-31
EP2537947A1 (en) 2012-12-26
WO2011102456A1 (ja) 2011-08-25
KR20120118504A (ko) 2012-10-26
EP2537947B1 (en) 2018-12-19
JP4943559B2 (ja) 2012-05-30
US20120312423A1 (en) 2012-12-13
CN102762752B (zh) 2016-04-13
KR101389248B1 (ko) 2014-04-24
BR112012020741B1 (pt) 2022-07-19

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)

B350 Update of information on the portal [chapter 15.35 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 18/02/2011, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.