JPS5647546A - Unidirectional electromagnetic steel plate with excellent iron loss in ritht-angled direction to rolling - Google Patents

Unidirectional electromagnetic steel plate with excellent iron loss in ritht-angled direction to rolling

Info

Publication number
JPS5647546A
JPS5647546A JP12211479A JP12211479A JPS5647546A JP S5647546 A JPS5647546 A JP S5647546A JP 12211479 A JP12211479 A JP 12211479A JP 12211479 A JP12211479 A JP 12211479A JP S5647546 A JPS5647546 A JP S5647546A
Authority
JP
Japan
Prior art keywords
steel plate
rolling
electromagnetic steel
iron loss
unidirectional electromagnetic
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
JP12211479A
Other languages
Japanese (ja)
Inventor
Toshiya Wada
Katsuro Kuroki
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
Priority to JP12211479A priority Critical patent/JPS5647546A/en
Publication of JPS5647546A publication Critical patent/JPS5647546A/en
Pending 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
    • C21D8/1294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment

Landscapes

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

Abstract

PURPOSE:To obtain a unidirectional electromagnetic steel plate with excellent iron loss in the right- angled direction to rolling, having a linear fine strain in almost parallel with the direction of rolling on the surface of a steel plate already subjected to a finish annealing treatment. CONSTITUTION:A unidirectional electromagnetic steel plate with improved iron loss in the right- angled direction to rolling is obtained by introducing a linear small strain in almost parallel with the direction of rolling on the surface of a unidirectional electromagnetic steel plate already subjected to a finish annealing treatment for secondary crystallization by a method of lessening surface defects without using blade tip, etc., in which a line drawing is made by turning an approx. 1mm.-diameter spherical rotator, for example, in contact with the surface of a steel plate while applying a load on it. The small strain-introducing process may be applied in any process after the completion of the secondary crystallization, or after the formation of insulating film for raising its insulating property. Also, in order to raise the insulating property after the strain-introducing process, the application of a coat of a phosphorus-containing compound, an organic compound, or an ultraviolet rays-curable resin is recommendable.
JP12211479A 1979-09-25 1979-09-25 Unidirectional electromagnetic steel plate with excellent iron loss in ritht-angled direction to rolling Pending JPS5647546A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12211479A JPS5647546A (en) 1979-09-25 1979-09-25 Unidirectional electromagnetic steel plate with excellent iron loss in ritht-angled direction to rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12211479A JPS5647546A (en) 1979-09-25 1979-09-25 Unidirectional electromagnetic steel plate with excellent iron loss in ritht-angled direction to rolling

Publications (1)

Publication Number Publication Date
JPS5647546A true JPS5647546A (en) 1981-04-30

Family

ID=14827970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12211479A Pending JPS5647546A (en) 1979-09-25 1979-09-25 Unidirectional electromagnetic steel plate with excellent iron loss in ritht-angled direction to rolling

Country Status (1)

Country Link
JP (1) JPS5647546A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62270748A (en) * 1986-05-16 1987-11-25 Nippon Kokan Kk <Nkk> High-silicon iron sheet excellent in soft-magnetic property

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53137016A (en) * 1977-05-04 1978-11-30 Nippon Steel Corp Oriented electrical steel sheet of ultra low iron loss
JPS5443115A (en) * 1977-09-12 1979-04-05 Nippon Steel Corp Oriented electrical steel sheet of ultra low iron loss

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53137016A (en) * 1977-05-04 1978-11-30 Nippon Steel Corp Oriented electrical steel sheet of ultra low iron loss
JPS5443115A (en) * 1977-09-12 1979-04-05 Nippon Steel Corp Oriented electrical steel sheet of ultra low iron loss

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62270748A (en) * 1986-05-16 1987-11-25 Nippon Kokan Kk <Nkk> High-silicon iron sheet excellent in soft-magnetic property

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