EP0205619A4 - Procede de fabrication de brames d'acier au silicium unidirectionnel possedant d'excellentes caracteristiques magnetiques et de surface. - Google Patents

Procede de fabrication de brames d'acier au silicium unidirectionnel possedant d'excellentes caracteristiques magnetiques et de surface.

Info

Publication number
EP0205619A4
EP0205619A4 EP19850900193 EP85900193A EP0205619A4 EP 0205619 A4 EP0205619 A4 EP 0205619A4 EP 19850900193 EP19850900193 EP 19850900193 EP 85900193 A EP85900193 A EP 85900193A EP 0205619 A4 EP0205619 A4 EP 0205619A4
Authority
EP
European Patent Office
Prior art keywords
magnetic properties
secondary recrystallization
inhibitor
silicon steel
steel slab
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.)
Granted
Application number
EP19850900193
Other languages
German (de)
English (en)
Other versions
EP0205619A1 (fr
EP0205619B1 (fr
Inventor
Yukio Inokuchi
Shigeko Ikeda
Yoh Ito
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.)
JFE Steel Corp
Original Assignee
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority claimed from PCT/JP1984/000599 external-priority patent/WO1986003784A1/fr
Publication of EP0205619A1 publication Critical patent/EP0205619A1/fr
Publication of EP0205619A4 publication Critical patent/EP0205619A4/fr
Application granted granted Critical
Publication of EP0205619B1 publication Critical patent/EP0205619B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying 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
    • C21D8/1227Warm rolling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244Modifying 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
    • C21D8/1261Modifying 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
EP85900193A 1984-12-14 1984-12-14 Procede de fabrication de brames d'acier au silicium unidirectionnel possedant d'excellentes caracteristiques magnetiques et de surface Expired - Lifetime EP0205619B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1984/000599 WO1986003784A1 (fr) 1983-06-20 1984-12-14 Procede de fabrication de brames d'acier au silicium unidirectionnel possedant d'excellentes caracteristiques magnetiques et de surface

Publications (3)

Publication Number Publication Date
EP0205619A1 EP0205619A1 (fr) 1986-12-30
EP0205619A4 true EP0205619A4 (fr) 1987-11-12
EP0205619B1 EP0205619B1 (fr) 1991-08-21

Family

ID=13818497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85900193A Expired - Lifetime EP0205619B1 (fr) 1984-12-14 1984-12-14 Procede de fabrication de brames d'acier au silicium unidirectionnel possedant d'excellentes caracteristiques magnetiques et de surface

Country Status (2)

Country Link
EP (1) EP0205619B1 (fr)
DE (1) DE3484960D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666842A (en) * 1993-07-22 1997-09-16 Kawasaki Steel Corporation Method of cold rolling grain-oriented silicon steel sheet having excellent and uniform magnetic characteristics along rolling direction of coil and a roll cooling controller for cold rolling mill using the cold rolling method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280856A (en) * 1980-01-04 1981-07-28 Kawasaki Steel Corporation Method for producing grain-oriented silicon steel sheets having a very high magnetic induction and a low iron loss
US4478653A (en) * 1983-03-10 1984-10-23 Armco Inc. Process for producing grain-oriented silicon steel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985820A (ja) * 1982-11-08 1984-05-17 Kawasaki Steel Corp 表面性状の優れた一方向性珪素鋼板の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280856A (en) * 1980-01-04 1981-07-28 Kawasaki Steel Corporation Method for producing grain-oriented silicon steel sheets having a very high magnetic induction and a low iron loss
US4478653A (en) * 1983-03-10 1984-10-23 Armco Inc. Process for producing grain-oriented silicon steel

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 193 (C-241)[1630], 5th September 1984; & JP-A-59 085 820 (KAWASAKI SEITETSU K.K.) 17-05-1984 *
See also references of WO8603784A1 *

Also Published As

Publication number Publication date
DE3484960D1 (de) 1991-09-26
EP0205619A1 (fr) 1986-12-30
EP0205619B1 (fr) 1991-08-21

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