JP7589869B1 - 方向性電磁鋼板および巻鉄心 - Google Patents

方向性電磁鋼板および巻鉄心 Download PDF

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JP7589869B1
JP7589869B1 JP2024541206A JP2024541206A JP7589869B1 JP 7589869 B1 JP7589869 B1 JP 7589869B1 JP 2024541206 A JP2024541206 A JP 2024541206A JP 2024541206 A JP2024541206 A JP 2024541206A JP 7589869 B1 JP7589869 B1 JP 7589869B1
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steel sheet
grain
oriented electrical
electrical steel
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JPWO2024204623A1 (https=
JPWO2024204623A5 (https=
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猛 今村
由枝 中井
晃史 原田
広 山口
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JFE Steel Corp
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    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
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    • 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
    • C21D6/00Heat treatment of ferrous alloys
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • C21D8/1222Hot rolling
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • C21D8/1233Cold rolling
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1272Final recrystallisation annealing
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    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1283Application of a separating or insulating coating
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    • 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
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    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/004Very low carbon steels, i.e. having a carbon content of less than 0,01%
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    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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    • C22C38/007Ferrous alloys, e.g. steel alloys containing silver
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    • C22C38/008Ferrous alloys, e.g. steel alloys containing tin
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    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
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    • C22C38/10Ferrous alloys, e.g. steel alloys containing cobalt
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    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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    • C22C38/30Ferrous alloys, e.g. steel alloys containing chromium with cobalt
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    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
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    • 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
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    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
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    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • H01F1/147Alloys characterised by their composition
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    • 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
    • H01F1/147Alloys characterised by their composition
    • H01F1/14766Fe-Si based alloys
    • H01F1/14775Fe-Si based alloys in the form of sheets
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    • H01F1/147Alloys characterised by their composition
    • H01F1/14766Fe-Si based alloys
    • H01F1/14775Fe-Si based alloys in the form of sheets
    • H01F1/14783Fe-Si based alloys in the form of sheets with insulating coating
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    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
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    • C21D2201/00Treatment for obtaining particular effects
    • C21D2201/05Grain orientation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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  • Chemical & Material Sciences (AREA)
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  • Crystallography & Structural Chemistry (AREA)
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  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
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JP2024541206A 2023-03-30 2024-03-28 方向性電磁鋼板および巻鉄心 Active JP7589869B1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006152387A (ja) * 2004-11-30 2006-06-15 Jfe Steel Kk 磁気特性に優れた方向性電磁鋼板
JP2012102344A (ja) * 2010-11-05 2012-05-31 Jfe Steel Corp 方向性電磁鋼板
JP2020508391A (ja) * 2016-12-22 2020-03-19 ポスコPosco 方向性電磁鋼板およびその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6115309A (ja) 1984-07-02 1986-01-23 Kawasaki Steel Corp 鉄損の低い変圧器用巻き鉄心
JPS6214405A (ja) 1985-07-12 1987-01-23 Nippon Steel Corp 切断性のすぐれた巻鉄心用方向性電磁鋼板
JPH05101943A (ja) 1991-05-08 1993-04-23 Toshiba Corp 三相巻鉄心
JPH06251966A (ja) 1993-02-23 1994-09-09 Kawasaki Steel Corp 鉄損の低い三相積鉄心変圧器
JPH10261536A (ja) 1997-03-17 1998-09-29 Nippon Steel Corp 三相変圧器積鉄心のヨーク締め付け方法
JP4092791B2 (ja) 1998-10-06 2008-05-28 住友金属工業株式会社 低損失低騒音積み鉄心およびその製造方法
CN115896602B (zh) * 2022-11-11 2024-06-07 湖南华菱涟源钢铁有限公司 取向硅钢板坯的生产方法和取向硅钢板坯

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006152387A (ja) * 2004-11-30 2006-06-15 Jfe Steel Kk 磁気特性に優れた方向性電磁鋼板
JP2012102344A (ja) * 2010-11-05 2012-05-31 Jfe Steel Corp 方向性電磁鋼板
JP2020508391A (ja) * 2016-12-22 2020-03-19 ポスコPosco 方向性電磁鋼板およびその製造方法

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KR20250150098A (ko) 2025-10-17
CN120981593A (zh) 2025-11-18

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