BR112019001581A2 - chapa de aço laminada a quente para chapa de aço elétrico de grão orientado e método de produzir a mesma, e método para produzir chapa de aço elétrico de grão orientado - Google Patents

chapa de aço laminada a quente para chapa de aço elétrico de grão orientado e método de produzir a mesma, e método para produzir chapa de aço elétrico de grão orientado

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Publication number
BR112019001581A2
BR112019001581A2 BR112019001581-7A BR112019001581A BR112019001581A2 BR 112019001581 A2 BR112019001581 A2 BR 112019001581A2 BR 112019001581 A BR112019001581 A BR 112019001581A BR 112019001581 A2 BR112019001581 A2 BR 112019001581A2
Authority
BR
Brazil
Prior art keywords
steel sheet
producing
grain oriented
less
oriented electric
Prior art date
Application number
BR112019001581-7A
Other languages
English (en)
Other versions
BR112019001581B1 (pt
Inventor
Takenaka Masanori
Takashima Minoru
Matsubara Yukihiro
Original Assignee
Jfe Steel Corporation
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 Jfe Steel Corporation filed Critical Jfe Steel Corporation
Publication of BR112019001581A2 publication Critical patent/BR112019001581A2/pt
Publication of BR112019001581B1 publication Critical patent/BR112019001581B1/pt

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Classifications

    • 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
    • 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
    • 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
    • C21D8/1244—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
    • 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
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets 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
    • H01F1/14—Magnets 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
    • H01F1/16—Magnets 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

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

Abstract

a presente invenção refere-se a uma técnica para reduzir as variações nas propriedades magnéticas em uma bobina. uma chapa de aço laminada a quente para chapa de aço elétrico de grão orientado, tendo uma composição química contendo, em % em massa, c: 0,002% ou mais e 0,080% ou menos, si: 2,00% ou mais e 8,00% ou menos, mn: 0,02% ou mais e 0,50% ou menos, al solúvel em ácido: 0,003% ou mais e menos de 0,010% e ao menos um de s ou se: 0,001% ou mais e 0,010% ou menos no total, com n limitado a menos de 0,006%, e o restante é fe e impurezas inevitáveis, onde as regiões de uma camada superficial mais externa e de uma camada superficial mais inferior até 1/4 da espessura da chapa têm uma taxa de recristalização de 90% ou menos.
BR112019001581-7A 2016-07-29 2017-07-25 Chapa de aço laminada a quente e recozida para chapa de aço elétrico de grão orientado e método para produzir as ditas chapas BR112019001581B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016150166 2016-07-29
JP2016-150166 2016-07-29
PCT/JP2017/026904 WO2018021332A1 (ja) 2016-07-29 2017-07-25 方向性電磁鋼板用熱延鋼板およびその製造方法、並びに方向性電磁鋼板の製造方法

Publications (2)

Publication Number Publication Date
BR112019001581A2 true BR112019001581A2 (pt) 2019-05-07
BR112019001581B1 BR112019001581B1 (pt) 2023-03-07

Family

ID=61017451

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019001581-7A BR112019001581B1 (pt) 2016-07-29 2017-07-25 Chapa de aço laminada a quente e recozida para chapa de aço elétrico de grão orientado e método para produzir as ditas chapas

Country Status (8)

Country Link
US (2) US20190161817A1 (pt)
EP (1) EP3492613B1 (pt)
JP (2) JP6610789B2 (pt)
KR (1) KR102260531B1 (pt)
CN (1) CN109477186B (pt)
BR (1) BR112019001581B1 (pt)
RU (2) RU2736566C2 (pt)
WO (1) WO2018021332A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115151674A (zh) * 2019-12-20 2022-10-04 Posco公司 双取向电工钢板及其制造方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2020010514A (es) * 2018-04-06 2020-10-22 Nucor Corp Laminacion de alta friccion de tira delgada de metal.
EP3859032B1 (en) 2018-10-31 2023-03-29 JFE Steel Corporation Non-oriented electrical steel sheet and method for producing same, and motor core and method for producing same
RU2771130C1 (ru) * 2019-01-16 2022-04-26 Ниппон Стил Корпорейшн Способ производства листа электротехнической стали с ориентированной зеренной структурой
WO2021045212A1 (ja) * 2019-09-06 2021-03-11 Ｊｆｅスチール株式会社 方向性電磁鋼板およびその製造方法
MX2022003382A (es) 2019-09-19 2022-07-11 Nucor Corp Acero de resistencia ultra-alta a la intemperie para aplicaciones de estampado en caliente.
EP4108790A1 (en) * 2020-02-20 2022-12-28 Nippon Steel Corporation Steel sheet for non-oriented electromagnetic steel sheet
JP7231888B2 (ja) * 2020-03-30 2023-03-02 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
KR102438480B1 (ko) * 2020-12-21 2022-09-01 주식회사 포스코 방향성 전기강판의 제조방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1965559A (en) 1933-08-07 1934-07-03 Cold Metal Process Co Electrical sheet and method and apparatus for its manufacture and test
JPS5113469B2 (pt) 1972-10-13 1976-04-28
AT329358B (de) 1974-06-04 1976-05-10 Voest Ag Schwingmuhle zum zerkleinern von mahlgut
JP2782086B2 (ja) 1989-05-29 1998-07-30 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
EP0875586A1 (en) * 1995-12-05 1998-11-04 Nippon Steel Corporation Process for producing non-oriented electrical steel sheet having high magnetic flux density and low iron loss
JPH1096028A (ja) * 1996-07-30 1998-04-14 Nippon Steel Corp 磁束密度が高い方向性電磁鋼板の製造方法
US6309473B1 (en) * 1998-10-09 2001-10-30 Kawasaki Steel Corporation Method of making grain-oriented magnetic steel sheet having low iron loss
JP3707268B2 (ja) 1998-10-28 2005-10-19 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP4747564B2 (ja) * 2004-11-30 2011-08-17 Ｊｆｅスチール株式会社 方向性電磁鋼板
JP4593317B2 (ja) * 2005-03-02 2010-12-08 新日本製鐵株式会社 磁気特性が優れた方向性電磁鋼板の製造方法
RU2398894C1 (ru) * 2006-06-16 2010-09-10 Ниппон Стил Корпорейшн Лист высокопрочной электротехнической стали и способ его производства
KR20110074547A (ko) * 2008-10-22 2011-06-30 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법
JP5287615B2 (ja) * 2009-09-04 2013-09-11 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
PL2470679T3 (pl) * 2009-11-25 2013-06-28 Tata Steel Ijmuiden Bv Sposób produkcji elektrotechnicznych taśm stalowych o ziarnie zorientowanym
JP5573175B2 (ja) * 2010-01-14 2014-08-20 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP5835557B2 (ja) * 2011-02-17 2015-12-24 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
ITFI20110194A1 (it) 2011-09-08 2013-03-09 Menarini Int Operations Lu Sa Dispositivo autoiniettore di dosi di farmaco
IN2014MN01830A (pt) * 2012-03-29 2015-07-03 Jfe Steel Corp
KR101977440B1 (ko) * 2012-12-28 2019-05-10 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법 및 방향성 전기 강판 제조용의 1 차 재결정 강판
JP6137490B2 (ja) * 2014-03-28 2017-05-31 Ｊｆｅスチール株式会社 一次再結晶集合組織の予測方法および方向性電磁鋼板の製造方法
JP6098772B2 (ja) * 2014-11-27 2017-03-22 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115151674A (zh) * 2019-12-20 2022-10-04 Posco公司 双取向电工钢板及其制造方法
CN115151674B (zh) * 2019-12-20 2024-03-26 Posco公司 双取向电工钢板及其制造方法

Also Published As

Publication number Publication date
JP2019151935A (ja) 2019-09-12
KR102260531B1 (ko) 2021-06-03
JP6610789B2 (ja) 2019-11-27
RU2020102494A (ru) 2020-03-13
CN109477186B (zh) 2020-11-27
KR20190034622A (ko) 2019-04-02
RU2020102494A3 (pt) 2020-05-26
CN109477186A (zh) 2019-03-15
EP3492613A1 (en) 2019-06-05
WO2018021332A1 (ja) 2018-02-01
US20190161817A1 (en) 2019-05-30
EP3492613A4 (en) 2019-08-07
JP6801740B2 (ja) 2020-12-16
BR112019001581B1 (pt) 2023-03-07
RU2736566C2 (ru) 2020-11-18
JPWO2018021332A1 (ja) 2018-11-01
EP3492613B1 (en) 2020-09-02
RU2718026C1 (ru) 2020-03-30
US20220267871A1 (en) 2022-08-25

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