EP4265747A4 - Kornorientiertes elektrostahlblech und herstellungsverfahren dafür - Google Patents

Kornorientiertes elektrostahlblech und herstellungsverfahren dafür Download PDF

Info

Publication number
EP4265747A4
EP4265747A4 EP21911419.6A EP21911419A EP4265747A4 EP 4265747 A4 EP4265747 A4 EP 4265747A4 EP 21911419 A EP21911419 A EP 21911419A EP 4265747 A4 EP4265747 A4 EP 4265747A4
Authority
EP
European Patent Office
Prior art keywords
grain
manufacturing
steel sheet
electrical steel
method therefor
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.)
Pending
Application number
EP21911419.6A
Other languages
English (en)
French (fr)
Other versions
EP4265747A1 (de
Inventor
Minserk KWON
Seonghoon MIN
Heonjo CHOI
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.)
Posco Holdings Inc
Original Assignee
Posco Co 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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP4265747A1 publication Critical patent/EP4265747A1/de
Publication of EP4265747A4 publication Critical patent/EP4265747A4/de
Pending 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
    • 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
    • C21D8/1238—Flattening; Dressing; Flexing
    • 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
    • C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1283—Application of a separating or insulating coating
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/02—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
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
EP21911419.6A 2020-12-21 2021-12-17 Kornorientiertes elektrostahlblech und herstellungsverfahren dafür Pending EP4265747A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200180132A KR102538120B1 (ko) 2020-12-21 2020-12-21 방향성 전기강판 및 그의 제조방법
PCT/KR2021/019327 WO2022139352A1 (ko) 2020-12-21 2021-12-17 방향성 전기강판 및 그의 제조방법

Publications (2)

Publication Number Publication Date
EP4265747A1 EP4265747A1 (de) 2023-10-25
EP4265747A4 true EP4265747A4 (de) 2024-06-26

Family

ID=82158285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21911419.6A Pending EP4265747A4 (de) 2020-12-21 2021-12-17 Kornorientiertes elektrostahlblech und herstellungsverfahren dafür

Country Status (6)

Country Link
US (1) US20240035128A1 (de)
EP (1) EP4265747A4 (de)
JP (1) JP2024503998A (de)
KR (1) KR102538120B1 (de)
CN (1) CN116888284A (de)
WO (1) WO2022139352A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102597512B1 (ko) * 2020-12-22 2023-11-01 주식회사 포스코 방향성 전기강판 및 그의 제조방법
WO2024111637A1 (ja) * 2022-11-22 2024-05-30 日本製鉄株式会社 方向性電磁鋼板及びその製造方法
WO2024111638A1 (ja) * 2022-11-22 2024-05-30 日本製鉄株式会社 方向性電磁鋼板及びその製造方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4224957B2 (ja) * 2001-07-24 2009-02-18 Ｊｆｅスチール株式会社 下地被膜を有しない方向性電磁鋼板の製造方法
JP2012031515A (ja) * 2010-06-30 2012-02-16 Jfe Steel Corp 方向性電磁鋼板およびその製造方法
JP2012177149A (ja) * 2011-02-25 2012-09-13 Jfe Steel Corp 方向性電磁鋼板およびその製造方法
CN103025903A (zh) * 2010-08-06 2013-04-03 杰富意钢铁株式会社 方向性电磁钢板及其制造方法
US20170313887A1 (en) * 2014-11-14 2017-11-02 Posco Insulating coating composition for oriented electrical steel sheet, oriented electrical steel sheet having insulating coating formed on surface thereof by using same, and preparation method therefor
WO2019182154A1 (ja) * 2018-03-22 2019-09-26 日本製鉄株式会社 方向性電磁鋼板及び方向性電磁鋼板の製造方法
EP4269651A1 (de) * 2020-12-22 2023-11-01 POSCO Co., Ltd Kornorientiertes elektrostahlblech und verfahren zur herstellung davon

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101651431B1 (ko) * 2014-11-14 2016-08-26 주식회사 포스코 방향성 전기강판의 제조방법
KR101736627B1 (ko) * 2015-12-22 2017-05-17 주식회사 포스코 철손이 낮고 절연특성이 우수한 방향성 전기강판 및 그 제조방법
JP6880814B2 (ja) * 2017-02-21 2021-06-02 日本製鉄株式会社 電磁鋼板、及びその製造方法
US20200123632A1 (en) * 2017-07-13 2020-04-23 Nippon Steel Corporation Grain-oriented electrical steel sheet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4224957B2 (ja) * 2001-07-24 2009-02-18 Ｊｆｅスチール株式会社 下地被膜を有しない方向性電磁鋼板の製造方法
JP2012031515A (ja) * 2010-06-30 2012-02-16 Jfe Steel Corp 方向性電磁鋼板およびその製造方法
CN103025903A (zh) * 2010-08-06 2013-04-03 杰富意钢铁株式会社 方向性电磁钢板及其制造方法
JP2012177149A (ja) * 2011-02-25 2012-09-13 Jfe Steel Corp 方向性電磁鋼板およびその製造方法
US20170313887A1 (en) * 2014-11-14 2017-11-02 Posco Insulating coating composition for oriented electrical steel sheet, oriented electrical steel sheet having insulating coating formed on surface thereof by using same, and preparation method therefor
WO2019182154A1 (ja) * 2018-03-22 2019-09-26 日本製鉄株式会社 方向性電磁鋼板及び方向性電磁鋼板の製造方法
EP3770281A1 (de) * 2018-03-22 2021-01-27 Nippon Steel Corporation Kornorientiertes elektrostahlblech und verfahren zur herstellung eines kornorientierten elektrostahlblechs
EP4269651A1 (de) * 2020-12-22 2023-11-01 POSCO Co., Ltd Kornorientiertes elektrostahlblech und verfahren zur herstellung davon

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022139352A1 *

Also Published As

Publication number Publication date
WO2022139352A1 (ko) 2022-06-30
KR20220089467A (ko) 2022-06-28
KR102538120B1 (ko) 2023-05-26
CN116888284A (zh) 2023-10-13
EP4265747A1 (de) 2023-10-25
US20240035128A1 (en) 2024-02-01
JP2024503998A (ja) 2024-01-30

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Ipc: C22C 38/60 20060101ALI20240523BHEP

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