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DE69316114D1 - Thick grain-oriented electrical steel sheets with excellent magnetic properties - Google Patents

Thick grain-oriented electrical steel sheets with excellent magnetic properties

Info

Publication number
DE69316114D1
DE69316114D1 DE69316114T DE69316114T DE69316114D1 DE 69316114 D1 DE69316114 D1 DE 69316114D1 DE 69316114 T DE69316114 T DE 69316114T DE 69316114 T DE69316114 T DE 69316114T DE 69316114 D1 DE69316114 D1 DE 69316114D1
Authority
DE
Germany
Prior art keywords
steel sheets
magnetic properties
electrical steel
oriented electrical
excellent magnetic
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.)
Expired - Fee Related
Application number
DE69316114T
Other languages
German (de)
Other versions
DE69316114T2 (en
Inventor
Yasunari Yoshitomi
Nobuyuki Takahashi
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17011148&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69316114(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE69316114D1 publication Critical patent/DE69316114D1/en
Publication of DE69316114T2 publication Critical patent/DE69316114T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • 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
    • C21D8/1255—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
    • C21D8/1261—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
DE1993616114 1992-09-04 1993-09-06 Thick grain-oriented electrical steel sheets with excellent magnetic properties Expired - Fee Related DE69316114T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4237150A JP2659655B2 (en) 1992-09-04 1992-09-04 Thick grain-oriented electrical steel sheet with excellent magnetic properties

Publications (2)

Publication Number Publication Date
DE69316114D1 true DE69316114D1 (en) 1998-02-12
DE69316114T2 DE69316114T2 (en) 1998-04-23

Family

ID=17011148

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993616114 Expired - Fee Related DE69316114T2 (en) 1992-09-04 1993-09-06 Thick grain-oriented electrical steel sheets with excellent magnetic properties

Country Status (3)

Country Link
EP (1) EP0585956B1 (en)
JP (1) JP2659655B2 (en)
DE (1) DE69316114T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7282102B2 (en) * 2002-11-11 2007-10-16 Posco Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property
US7736444B1 (en) 2006-04-19 2010-06-15 Silicon Steel Technology, Inc. Method and system for manufacturing electrical silicon steel
JP2016086611A (en) 2014-10-29 2016-05-19 三菱電機株式会社 Stator core cooling structure for rotary electric machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61117215A (en) * 1984-10-31 1986-06-04 Nippon Steel Corp Manufacture of grain oriented magnetic steel sheet of low iron loss
JPS6240315A (en) * 1985-08-15 1987-02-21 Nippon Steel Corp Manufacture of grain-oriented silicon steel sheet having high magnetic flux density
DE69030771T2 (en) * 1989-01-07 1997-09-11 Nippon Steel Corp Process for producing a grain-oriented electrical steel strip
EP0390142B2 (en) * 1989-03-30 1999-04-28 Nippon Steel Corporation Process for producing grain-oriented electrical steel sheet having high magnetic flux density
JPH0372027A (en) * 1989-08-11 1991-03-27 Nippon Steel Corp Production of grain-oriented silicon steel sheet having high magnetic flux density and excellent in iron loss
JP2620438B2 (en) * 1991-10-28 1997-06-11 新日本製鐵株式会社 Manufacturing method of grain-oriented electrical steel sheet with high magnetic flux density

Also Published As

Publication number Publication date
EP0585956B1 (en) 1998-01-07
EP0585956A1 (en) 1994-03-09
DE69316114T2 (en) 1998-04-23
JP2659655B2 (en) 1997-09-30
JPH0688170A (en) 1994-03-29

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee