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GB2005718A - Method of producing silicon- iron sheet material and product - Google Patents

Method of producing silicon- iron sheet material and product

Info

Publication number
GB2005718A
GB2005718A GB7838345A GB7838345A GB2005718A GB 2005718 A GB2005718 A GB 2005718A GB 7838345 A GB7838345 A GB 7838345A GB 7838345 A GB7838345 A GB 7838345A GB 2005718 A GB2005718 A GB 2005718A
Authority
GB
United Kingdom
Prior art keywords
iron sheet
product
sheet material
producing silicon
improved
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
GB7838345A
Other versions
GB2005718B (en
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.)
THOD OF PRODUCING SILICON IRON
General Electric Co
Original Assignee
THOD OF PRODUCING SILICON IRON
General Electric Co
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
Priority claimed from US05/867,987 external-priority patent/US4174235A/en
Application filed by THOD OF PRODUCING SILICON IRON, General Electric Co filed Critical THOD OF PRODUCING SILICON IRON
Publication of GB2005718A publication Critical patent/GB2005718A/en
Application granted granted Critical
Publication of GB2005718B publication Critical patent/GB2005718B/en
Expired 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1283—Application of a separating or insulating coating

Landscapes

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

Abstract

Grain-oriented silicon-iron sheet containing 2.2-4.5% Si, 3-35 p.p.m. B, 30-75 p.pm. N (N:B in the range 1:1 to 15:1), 0.02-0.05% Mn, 0.005-0.025% S is improved by the incorporation of 0.01-0.1% of Sn and/or Sb. Magnetic properties are improved and weld brittleness reduced.
GB7838345A 1977-09-29 1978-09-27 Method of producing silicon- iron sheet material and product Expired GB2005718B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83750577A 1977-09-29 1977-09-29
US05/867,987 US4174235A (en) 1978-01-09 1978-01-09 Product and method of producing silicon-iron sheet material employing antimony

Publications (2)

Publication Number Publication Date
GB2005718A true GB2005718A (en) 1979-04-25
GB2005718B GB2005718B (en) 1982-04-07

Family

ID=27125948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7838345A Expired GB2005718B (en) 1977-09-29 1978-09-27 Method of producing silicon- iron sheet material and product

Country Status (8)

Country Link
JP (1) JPS5462919A (en)
CS (1) CS218577B2 (en)
DE (1) DE2834035A1 (en)
FR (1) FR2404677B1 (en)
GB (1) GB2005718B (en)
PL (1) PL118636B1 (en)
RO (1) RO76065A (en)
SE (1) SE443155B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019849A1 (en) * 1979-05-30 1980-12-10 Kawasaki Steel Corporation Cold rolled non-oriented electrical steel sheet
FR2511045A1 (en) * 1981-08-05 1983-02-11 Nippon Steel Corp GRAIN ORIENTED ELECTROMAGNETIC STEEL SHEET AND PROCESS FOR OBTAINING SAME
EP0084980A3 (en) * 1982-01-27 1983-09-14 Nippon Steel Corporation Non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density and a process for producing the same
US4661174A (en) * 1982-01-27 1987-04-28 Nippon Steel Corporation Non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density and a process for producing the same
EP0420238A3 (en) * 1989-09-28 1993-10-20 Nippon Steel Corp Process for preparing unidirectional silicon steel sheet having high magnetic flux density

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2742688B2 (en) * 1988-06-15 1998-04-22 住友金属工業 株式会社 Electrical steel sheet with excellent automatic caulking

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1954773C3 (en) * 1968-11-01 1974-02-28 Yawata Iron & Steel Co., Ltd., Tokio Process for the production of single grain oriented silicon steel sheets with high magnetic induction and low iron loss
JPS5113469B2 (en) * 1972-10-13 1976-04-28
JPS5432412B2 (en) * 1973-10-31 1979-10-15
JPS5813606B2 (en) * 1974-08-14 1983-03-15 川崎製鉄株式会社 It's hard to tell what's going on.
US4000015A (en) * 1975-05-15 1976-12-28 Allegheny Ludlum Industries, Inc. Processing for cube-on-edge oriented silicon steel using hydrogen of controlled dew point
DE2531536C2 (en) * 1975-07-17 1986-10-16 Allegheny Ludlum Steel Corp., Pittsburgh, Pa. Method for producing a grain-oriented silicon steel sheet
JPS5212610A (en) * 1975-07-18 1977-01-31 Gen Electric Cold rolled silicon steel and method of making thesame

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019849A1 (en) * 1979-05-30 1980-12-10 Kawasaki Steel Corporation Cold rolled non-oriented electrical steel sheet
FR2511045A1 (en) * 1981-08-05 1983-02-11 Nippon Steel Corp GRAIN ORIENTED ELECTROMAGNETIC STEEL SHEET AND PROCESS FOR OBTAINING SAME
EP0084980A3 (en) * 1982-01-27 1983-09-14 Nippon Steel Corporation Non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density and a process for producing the same
US4661174A (en) * 1982-01-27 1987-04-28 Nippon Steel Corporation Non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density and a process for producing the same
US4666534A (en) * 1982-01-27 1987-05-19 Nippon Steel Corporation Non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density and a process for producing the same
EP0420238A3 (en) * 1989-09-28 1993-10-20 Nippon Steel Corp Process for preparing unidirectional silicon steel sheet having high magnetic flux density

Also Published As

Publication number Publication date
SE7810201L (en) 1979-05-17
DE2834035A1 (en) 1979-04-12
PL118636B1 (en) 1981-10-31
PL209947A1 (en) 1979-05-21
GB2005718B (en) 1982-04-07
CS218577B2 (en) 1983-02-25
SE443155B (en) 1986-02-17
JPS5462919A (en) 1979-05-21
FR2404677A1 (en) 1979-04-27
JPH0248615B2 (en) 1990-10-25
RO76065A (en) 1982-03-24
FR2404677B1 (en) 1985-10-31

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee