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WO2025127127A1 - Tôle magnétique en acier à grains non orientés et son procédé de fabrication - Google Patents

Tôle magnétique en acier à grains non orientés et son procédé de fabrication Download PDF

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Publication number
WO2025127127A1
WO2025127127A1 PCT/JP2024/044148 JP2024044148W WO2025127127A1 WO 2025127127 A1 WO2025127127 A1 WO 2025127127A1 JP 2024044148 W JP2024044148 W JP 2024044148W WO 2025127127 A1 WO2025127127 A1 WO 2025127127A1
Authority
WO
WIPO (PCT)
Prior art keywords
less
content
oriented electrical
steel sheet
electrical steel
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
PCT/JP2024/044148
Other languages
English (en)
Japanese (ja)
Inventor
裕義 屋鋪
義顕 名取
隆史 片岡
佑哉 郷元
美穂 冨田
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.)
Nippon Steel Corp
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 WO2025127127A1 publication Critical patent/WO2025127127A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • C22C38/60—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
    • H01F1/147—Alloys characterised by their composition
    • 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

Definitions

  • the present invention relates to non-oriented electrical steel sheets and a manufacturing method thereof.
  • the concentration of the ⁇ 110 ⁇ orientation is preferably 0.01 or more, and more preferably 0.02 or more.

Landscapes

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

Abstract

La présente invention concerne une tôle magnétique en acier à grains non orientés dans laquelle : la composition chimique d'un matériau de base contient, en % en masse, une proportion inférieure ou égale à 0,0050 % de C, une proportion supérieure à 3,50 % mais inférieure ou égale à 4,50 % de Si, moins de 0,60 % de Mn, de 0,25 à 0,65 % d'Al, une proportion inférieure ou égale à 0,030 % de P, une proportion inférieure ou égale à 0,0020 % de S, une proportion inférieure ou égale à 0,0040 % de N, moins de 0,0040 % de Ti, moins de 0,0040 % de Nb, moins de 0,0040 % de Zr, moins de 0,0040 % de V, moins de 0,200 % de Cu, moins de 0,500 % de Ni, et du Sn et/ou du Sb en une proportion totale inférieure ou égale à 0,030 %, le complément étant constitué de Fe et d'impuretés ; [4,3≤Si+Al+0,5×Mn≤5,0] est satisfaite ; la taille moyenne de grains cristallins du matériau de base est supérieure à 40 µm mais inférieure ou égale à 140 µm, le degré d'intégration de la direction {111} est supérieur ou égal à 3,0, le degré d'intégration de la direction {110} est inférieur ou égal à 0,15 ; et l'épaisseur de tôle est de 0,10 à 0,30 mm.
PCT/JP2024/044148 2023-12-15 2024-12-13 Tôle magnétique en acier à grains non orientés et son procédé de fabrication Pending WO2025127127A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023-212463 2023-12-15
JP2023212463 2023-12-15

Publications (1)

Publication Number Publication Date
WO2025127127A1 true WO2025127127A1 (fr) 2025-06-19

Family

ID=96057455

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2024/044148 Pending WO2025127127A1 (fr) 2023-12-15 2024-12-13 Tôle magnétique en acier à grains non orientés et son procédé de fabrication

Country Status (1)

Country Link
WO (1) WO2025127127A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018092979A (ja) * 2016-11-30 2018-06-14 新日鐵住金株式会社 変圧器、変圧器用の板状鉄心及び変圧器用の板状鉄心の製造方法
CN108330397A (zh) * 2018-05-10 2018-07-27 东北大学 一种低铁损高磁感无取向硅钢极薄带的制备方法
JP2018178197A (ja) * 2017-04-14 2018-11-15 新日鐵住金株式会社 無方向性電磁鋼板及びその製造方法
JP2020115721A (ja) * 2019-01-17 2020-07-30 日本製鉄株式会社 分割型固定子および回転電機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018092979A (ja) * 2016-11-30 2018-06-14 新日鐵住金株式会社 変圧器、変圧器用の板状鉄心及び変圧器用の板状鉄心の製造方法
JP2018178197A (ja) * 2017-04-14 2018-11-15 新日鐵住金株式会社 無方向性電磁鋼板及びその製造方法
CN108330397A (zh) * 2018-05-10 2018-07-27 东北大学 一种低铁损高磁感无取向硅钢极薄带的制备方法
JP2020115721A (ja) * 2019-01-17 2020-07-30 日本製鉄株式会社 分割型固定子および回転電機

Also Published As

Publication number Publication date
TW202528556A (zh) 2025-07-16

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