EP0099618A3 - Method for producing cube-on-edge oriented silicon steel - Google Patents

Method for producing cube-on-edge oriented silicon steel Download PDF

Info

Publication number
EP0099618A3
EP0099618A3 EP83302010A EP83302010A EP0099618A3 EP 0099618 A3 EP0099618 A3 EP 0099618A3 EP 83302010 A EP83302010 A EP 83302010A EP 83302010 A EP83302010 A EP 83302010A EP 0099618 A3 EP0099618 A3 EP 0099618A3
Authority
EP
European Patent Office
Prior art keywords
silicon steel
oriented silicon
edge oriented
cube
producing cube
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.)
Ceased
Application number
EP83302010A
Other languages
German (de)
French (fr)
Other versions
EP0099618A2 (en
Inventor
Robert Frederick Miller
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.)
Allegheny Ludlum Steel Corp
Original Assignee
Allegheny Ludlum 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 Allegheny Ludlum Steel Corp filed Critical Allegheny Ludlum Steel Corp
Publication of EP0099618A2 publication Critical patent/EP0099618A2/en
Publication of EP0099618A3 publication Critical patent/EP0099618A3/en
Ceased 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
    • 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

An improvement in the manufacture of cube-on-edge oriented silicon steel; the improvement comprises serrating said steel either before or after final texture annealing, whereby reduced watt loss is achieved.
EP83302010A 1982-07-19 1983-04-11 Method for producing cube-on-edge oriented silicon steel Ceased EP0099618A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39993782A 1982-07-19 1982-07-19
US399937 1982-07-19

Publications (2)

Publication Number Publication Date
EP0099618A2 EP0099618A2 (en) 1984-02-01
EP0099618A3 true EP0099618A3 (en) 1984-06-13

Family

ID=23581547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83302010A Ceased EP0099618A3 (en) 1982-07-19 1983-04-11 Method for producing cube-on-edge oriented silicon steel

Country Status (6)

Country Link
EP (1) EP0099618A3 (en)
JP (1) JPS5928525A (en)
KR (1) KR860000532B1 (en)
BR (1) BR8301546A (en)
CA (1) CA1197759A (en)
PL (1) PL242746A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168626B (en) * 1984-11-10 1987-12-23 Nippon Steel Corp Grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same
JPS61117284A (en) * 1984-11-10 1986-06-04 Nippon Steel Corp Production of low-iron loss grain-oriented electromagnetic steel sheet
JPS6286175A (en) * 1985-10-14 1987-04-20 Nippon Steel Corp Treatment of grain oriented electrical steel sheet
JPS61117218A (en) * 1984-11-10 1986-06-04 Nippon Steel Corp Manufacture of grain oriented magnetic steel sheet of low iron loss
US4533409A (en) * 1984-12-19 1985-08-06 Allegheny Ludlum Steel Corporation Method and apparatus for reducing core losses of grain-oriented silicon steel
JPH0711035B2 (en) * 1985-01-26 1995-02-08 新日本製鐵株式会社 Strain relief annealing method for grain-oriented electrical steel sheet
US4728083A (en) * 1985-12-16 1988-03-01 Allegheny Ludlum Corporation Method and apparatus for scribing grain-oriented silicon steel strip
JPS62179105A (en) * 1986-02-03 1987-08-06 Nippon Steel Corp Manufacture of low iron loss unidirectional electromagnetic steel plate
JPH0615694B2 (en) * 1987-04-17 1994-03-02 川崎製鉄株式会社 Iron loss reduction method for grain-oriented silicon steel sheet
US5146063A (en) * 1988-10-26 1992-09-08 Kawasaki Steel Corporation Low iron loss grain oriented silicon steel sheets and method of producing the same
JPH057397U (en) * 1991-02-05 1993-02-02 株式会社西原環境衛生研究所 Contact aeration sewage treatment equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626673C (en) * 1932-02-13 1936-07-01 Hoesch Koeln Neuessen Akt Ges Process and device for the production of coarse-grained, recrystallized strips or sheets
DE1804208B1 (en) * 1968-10-17 1970-11-12 Mannesmann Ag Process for reducing the watt losses of grain-oriented electrical steel sheets, in particular of cube-texture sheets
US3833431A (en) * 1971-12-09 1974-09-03 Westinghouse Electric Corp Process for continuously annealed silicon steel using tension-producing glass
FR2268868A1 (en) * 1974-04-25 1975-11-21 Nippon Steel Corp
DE2819514A1 (en) * 1977-05-04 1978-11-16 Nippon Steel Corp ELECTROMAGNETIC STEEL SHEET WITH GRAIN ORIENTATION

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626673C (en) * 1932-02-13 1936-07-01 Hoesch Koeln Neuessen Akt Ges Process and device for the production of coarse-grained, recrystallized strips or sheets
DE1804208B1 (en) * 1968-10-17 1970-11-12 Mannesmann Ag Process for reducing the watt losses of grain-oriented electrical steel sheets, in particular of cube-texture sheets
US3833431A (en) * 1971-12-09 1974-09-03 Westinghouse Electric Corp Process for continuously annealed silicon steel using tension-producing glass
FR2268868A1 (en) * 1974-04-25 1975-11-21 Nippon Steel Corp
DE2819514A1 (en) * 1977-05-04 1978-11-16 Nippon Steel Corp ELECTROMAGNETIC STEEL SHEET WITH GRAIN ORIENTATION

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 3, no. 11, January 30, 1979, page 163 C35 & JP - A - 53 137016 ( SHIN NIPPON SEITETSU K.K.) 30-11-1978 *

Also Published As

Publication number Publication date
BR8301546A (en) 1984-04-17
PL242746A1 (en) 1984-03-12
EP0099618A2 (en) 1984-02-01
KR860000532B1 (en) 1986-05-08
JPS5928525A (en) 1984-02-15
CA1197759A (en) 1985-12-10
KR840004177A (en) 1984-10-10

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): BE DE FR GB IT SE

PUAL Search report despatched

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Effective date: 19841015

STAA Information on the status of an ep patent application or granted ep patent

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18R Application refused

Effective date: 19871004

RIN1 Information on inventor provided before grant (corrected)

Inventor name: MILLER, ROBERT FREDERICK