DE69027553T3 - Process for producing grain-oriented electrical sheets with high magnetic flux density - Google Patents

Process for producing grain-oriented electrical sheets with high magnetic flux density

Info

Publication number
DE69027553T3
DE69027553T3 DE1990627553 DE69027553T DE69027553T3 DE 69027553 T3 DE69027553 T3 DE 69027553T3 DE 1990627553 DE1990627553 DE 1990627553 DE 69027553 T DE69027553 T DE 69027553T DE 69027553 T3 DE69027553 T3 DE 69027553T3
Authority
DE
Germany
Prior art keywords
magnetic flux
flux density
high magnetic
oriented electrical
producing grain
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 - Lifetime
Application number
DE1990627553
Other languages
German (de)
Other versions
DE69027553D1 (en
DE69027553T2 (en
Inventor
Yoshiyuki Ushigami
Tadashi Nakayama
Nobuyuki Takahasi
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=26420973&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69027553(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP1079992A external-priority patent/JPH0689405B2/en
Priority claimed from JP1079991A external-priority patent/JPH0689404B2/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of DE69027553D1 publication Critical patent/DE69027553D1/en
Application granted granted Critical
Publication of DE69027553T2 publication Critical patent/DE69027553T2/en
Publication of DE69027553T3 publication Critical patent/DE69027553T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C21D8/1272—Final recrystallisation annealing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
DE1990627553 1989-03-30 1990-03-29 Process for producing grain-oriented electrical sheets with high magnetic flux density Expired - Lifetime DE69027553T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1079992A JPH0689405B2 (en) 1989-03-30 1989-03-30 Method for manufacturing unidirectional electrical steel sheet with high magnetic flux density
JP1079991A JPH0689404B2 (en) 1989-03-30 1989-03-30 Method for manufacturing unidirectional electrical steel sheet with high magnetic flux density

Publications (3)

Publication Number Publication Date
DE69027553D1 DE69027553D1 (en) 1996-08-01
DE69027553T2 DE69027553T2 (en) 1997-02-20
DE69027553T3 true DE69027553T3 (en) 1999-11-11

Family

ID=26420973

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990627553 Expired - Lifetime DE69027553T3 (en) 1989-03-30 1990-03-29 Process for producing grain-oriented electrical sheets with high magnetic flux density

Country Status (2)

Country Link
EP (1) EP0390142B2 (en)
DE (1) DE69027553T3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354389A (en) * 1991-07-29 1994-10-11 Nkk Corporation Method of manufacturing silicon steel sheet having grains precisely arranged in Goss orientation
JP2519615B2 (en) * 1991-09-26 1996-07-31 新日本製鐵株式会社 Method for producing grain-oriented electrical steel sheet with excellent magnetic properties
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
KR960010811B1 (en) * 1992-04-16 1996-08-09 신니뽄세이데스 가부시끼가이샤 Process for production of grain oriented electrical steel sheet having excellent magnetic properties
JP2659655B2 (en) * 1992-09-04 1997-09-30 新日本製鐵株式会社 Thick grain-oriented electrical steel sheet with excellent magnetic properties
US6858095B2 (en) 1992-09-04 2005-02-22 Nippon Steel Corporation Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties
US5858126A (en) * 1992-09-17 1999-01-12 Nippon Steel Corporation Grain-oriented electrical steel sheet and material having very high magnetic flux density and method of manufacturing same
EP0588342B1 (en) * 1992-09-17 2000-07-12 Nippon Steel Corporation Grain-oriented electrical steel sheet and material having very high magnetic flux density and method of manufacturing same
US5288736A (en) * 1992-11-12 1994-02-22 Armco Inc. Method for producing regular grain oriented electrical steel using a single stage cold reduction
DE4311151C1 (en) * 1993-04-05 1994-07-28 Thyssen Stahl Ag Grain-orientated electro-steel sheets with good properties
EP1179603B1 (en) * 2000-08-08 2011-03-23 Nippon Steel Corporation Method to produce grain-oriented electrical steel sheet having high magnetic flux density
DE10311215B4 (en) * 2003-03-14 2005-09-15 Thyssenkrupp Electrical Steel Gmbh Method for producing grain-oriented, cold-rolled electrical sheet or strip

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE563544A (en) * 1956-12-31
US4473416A (en) * 1982-07-08 1984-09-25 Nippon Steel Corporation Process for producing aluminum-bearing grain-oriented silicon steel strip
JPS59215419A (en) * 1983-05-20 1984-12-05 Nippon Steel Corp Production of grain-oriented silicon steel sheet having high magnetic flux density
JPS6240315A (en) * 1985-08-15 1987-02-21 Nippon Steel Corp Manufacture of grain-oriented silicon steel sheet having high magnetic flux density
JPH0617512B2 (en) * 1986-03-22 1994-03-09 新日本製鐵株式会社 Method for producing unidirectional electrical steel sheet with extremely high magnetic flux density
JPS6475627A (en) * 1987-09-18 1989-03-22 Nippon Steel Corp Production of grain oriented electrical steel sheet having extremely high magnetic flux density

Also Published As

Publication number Publication date
EP0390142A3 (en) 1992-09-30
EP0390142B2 (en) 1999-04-28
EP0390142A2 (en) 1990-10-03
DE69027553D1 (en) 1996-08-01
DE69027553T2 (en) 1997-02-20
EP0390142B1 (en) 1996-06-26

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings