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WO2020111736A3 - 무방향성 전기강판 및 그 제조방법 - Google Patents

무방향성 전기강판 및 그 제조방법 Download PDF

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Publication number
WO2020111736A3
WO2020111736A3 PCT/KR2019/016380 KR2019016380W WO2020111736A3 WO 2020111736 A3 WO2020111736 A3 WO 2020111736A3 KR 2019016380 W KR2019016380 W KR 2019016380W WO 2020111736 A3 WO2020111736 A3 WO 2020111736A3
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Prior art keywords
steel sheet
electrical steel
directional electrical
producing same
directional
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PCT/KR2019/016380
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English (en)
French (fr)
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WO2020111736A2 (ko
Inventor
홍재완
박준수
신수용
김용수
Original Assignee
주식회사 포스코
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Priority to US17/297,731 priority Critical patent/US12215400B2/en
Priority to JP2021531072A priority patent/JP7350069B2/ja
Priority to EP19890083.9A priority patent/EP3889289A2/en
Priority to CN201980078877.3A priority patent/CN113166878A/zh
Publication of WO2020111736A2 publication Critical patent/WO2020111736A2/ko
Publication of WO2020111736A3 publication Critical patent/WO2020111736A3/ko

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    • 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
    • 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
    • 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
    • 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
    • C21D8/1216—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
    • C21D8/1216—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
    • 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
    • C21D8/1261—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 following 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
    • C21D8/1272—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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/004—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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • H01F1/147—Alloys characterised by their composition
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic

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

Abstract

본 발명의 일 실시예에 의한 무방향성 전기강판은 중량%로, Si: 0.2 내지 4.3%, Mn: 0.05 내지 2.5%, Al: 0.1 내지 2.1%, Bi: 0.0001내지 0.003% 및 Ga: 0.0001내지 0.003% 포함하고, 잔부 Fe 및 불가피한 불순물을 포함한다.
PCT/KR2019/016380 2018-11-30 2019-11-26 무방향성 전기강판 및 그 제조방법 WO2020111736A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US17/297,731 US12215400B2 (en) 2018-11-30 2019-11-26 Non-directional electrical steel sheet and method for producing same
JP2021531072A JP7350069B2 (ja) 2018-11-30 2019-11-26 無方向性電磁鋼板およびその製造方法
EP19890083.9A EP3889289A2 (en) 2018-11-30 2019-11-26 Non-directional electrical steel sheet and method for producing same
CN201980078877.3A CN113166878A (zh) 2018-11-30 2019-11-26 无取向电工钢板及其制备方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0152977 2018-11-30
KR1020180152977A KR102175065B1 (ko) 2018-11-30 2018-11-30 무방향성 전기강판 및 그 제조방법

Publications (2)

Publication Number Publication Date
WO2020111736A2 WO2020111736A2 (ko) 2020-06-04
WO2020111736A3 true WO2020111736A3 (ko) 2020-08-06

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PCT/KR2019/016380 WO2020111736A2 (ko) 2018-11-30 2019-11-26 무방향성 전기강판 및 그 제조방법

Country Status (6)

Country Link
US (1) US12215400B2 (ko)
EP (1) EP3889289A2 (ko)
JP (1) JP7350069B2 (ko)
KR (1) KR102175065B1 (ko)
CN (1) CN113166878A (ko)
WO (1) WO2020111736A2 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102176351B1 (ko) * 2018-11-30 2020-11-09 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102464576B1 (ko) * 2022-05-27 2022-11-09 주식회사 썸백 무방향성 전기강판 및 그 제조방법
WO2024080140A1 (ja) * 2022-10-14 2024-04-18 Ｊｆｅスチール株式会社 無方向性電磁鋼板とその製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236470B2 (ko) * 1982-01-26 1987-08-07 Matsushita Electric Ind Co Ltd
JP2007031793A (ja) * 2005-07-28 2007-02-08 Nippon Steel Corp 電磁鋼板の製造方法
KR20080027913A (ko) * 2005-07-07 2008-03-28 수미도모 메탈 인더스트리즈, 리미티드 무방향성 전자 강판 및 그 제조 방법
KR20180070949A (ko) * 2016-12-19 2018-06-27 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR101898368B1 (ko) * 2014-07-02 2018-09-12 신닛테츠스미킨 카부시키카이샤 무방향성 전자 강판 및 그 제조 방법

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4203238B2 (ja) 2001-12-03 2008-12-24 新日本製鐵株式会社 一方向性電磁鋼板の製造方法
US9085817B2 (en) 2009-06-03 2015-07-21 Nippon Steel & Sumitomo Metal Corporation Non-oriented electrical steel sheet and manufacturing method thereof
JP5712491B2 (ja) * 2010-03-12 2015-05-07 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP5533958B2 (ja) 2012-08-21 2014-06-25 Ｊｆｅスチール株式会社 打抜加工による鉄損劣化の小さい無方向性電磁鋼板
JP5668767B2 (ja) * 2013-02-22 2015-02-12 Ｊｆｅスチール株式会社 無方向性電磁鋼板製造用の熱延鋼板およびその製造方法
JP2014185365A (ja) * 2013-03-22 2014-10-02 Jfe Steel Corp 高周波鉄損特性に優れる無方向性電磁鋼板
CN104674136B (zh) * 2013-11-28 2017-11-14 Posco公司 导磁率优良的无取向电工钢板及其制造方法
WO2016027565A1 (ja) * 2014-08-20 2016-02-25 Ｊｆｅスチール株式会社 磁気特性に優れる無方向性電磁鋼板
KR102177038B1 (ko) * 2014-11-14 2020-11-10 주식회사 포스코 방향성 전기강판용 절연피막 조성물, 이를 이용하여 표면에 절연피막이 형성된 방향성 전기강판 및 이의 제조방법
KR20160061797A (ko) * 2014-11-24 2016-06-01 주식회사 포스코 무방향성 전기강판, 및 이의 제조방법
JP6390876B2 (ja) * 2015-08-04 2018-09-19 Ｊｆｅスチール株式会社 磁気特性に優れる無方向性電磁鋼板の製造方法
KR101705235B1 (ko) 2015-12-11 2017-02-09 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR101701194B1 (ko) * 2015-12-23 2017-02-01 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR101728827B1 (ko) 2015-12-24 2017-04-20 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR101918720B1 (ko) * 2016-12-19 2018-11-14 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR101904309B1 (ko) * 2016-12-19 2018-10-04 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR101919529B1 (ko) 2016-12-20 2018-11-16 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102176351B1 (ko) 2018-11-30 2020-11-09 주식회사 포스코 무방향성 전기강판 및 그 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236470B2 (ko) * 1982-01-26 1987-08-07 Matsushita Electric Ind Co Ltd
KR20080027913A (ko) * 2005-07-07 2008-03-28 수미도모 메탈 인더스트리즈, 리미티드 무방향성 전자 강판 및 그 제조 방법
JP2007031793A (ja) * 2005-07-28 2007-02-08 Nippon Steel Corp 電磁鋼板の製造方法
KR101898368B1 (ko) * 2014-07-02 2018-09-12 신닛테츠스미킨 카부시키카이샤 무방향성 전자 강판 및 그 제조 방법
KR20180070949A (ko) * 2016-12-19 2018-06-27 주식회사 포스코 무방향성 전기강판 및 그 제조방법

Also Published As

Publication number Publication date
US12215400B2 (en) 2025-02-04
EP3889289A4 (en) 2021-10-06
US20220049322A1 (en) 2022-02-17
CN113166878A (zh) 2021-07-23
EP3889289A2 (en) 2021-10-06
KR102175065B1 (ko) 2020-11-05
KR20200066493A (ko) 2020-06-10
JP7350069B2 (ja) 2023-09-25
WO2020111736A2 (ko) 2020-06-04
JP2022509676A (ja) 2022-01-21

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