BE874909A - Procede pour preparer un acier electromagnetique au silicium - Google Patents

Procede pour preparer un acier electromagnetique au silicium

Info

Publication number
BE874909A
BE874909A BE0/194074A BE194074A BE874909A BE 874909 A BE874909 A BE 874909A BE 0/194074 A BE0/194074 A BE 0/194074A BE 194074 A BE194074 A BE 194074A BE 874909 A BE874909 A BE 874909A
Authority
BE
Belgium
Prior art keywords
preparing
silicon steel
electromagnetic silicon
electromagnetic
steel
Prior art date
Application number
BE0/194074A
Other languages
English (en)
French (fr)
Inventor
J Shilling
C Miller
A Datta
Original Assignee
Allegheny Ludlum Ind Inc
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 Ind Inc filed Critical Allegheny Ludlum Ind Inc
Publication of BE874909A publication Critical patent/BE874909A/xx

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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising
    • 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
    • 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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D5/00—Coating with enamels or vitreous layers
    • C23D5/10—Coating with enamels or vitreous layers with refractory materials
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
BE0/194074A 1978-03-16 1979-03-16 Procede pour preparer un acier electromagnetique au silicium BE874909A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/887,098 US4200477A (en) 1978-03-16 1978-03-16 Processing for electromagnetic silicon steel

Publications (1)

Publication Number Publication Date
BE874909A true BE874909A (fr) 1979-09-17

Family

ID=25390451

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/194074A BE874909A (fr) 1978-03-16 1979-03-16 Procede pour preparer un acier electromagnetique au silicium

Country Status (16)

Country Link
US (1) US4200477A (es)
JP (1) JPS54128425A (es)
AR (1) AR215786A1 (es)
AU (1) AU528202B2 (es)
BE (1) BE874909A (es)
BR (1) BR7901466A (es)
CA (1) CA1127511A (es)
DE (1) DE2909020A1 (es)
ES (1) ES478713A1 (es)
FR (1) FR2419980A1 (es)
GB (1) GB2018823B (es)
IT (1) IT1114600B (es)
PL (1) PL214174A1 (es)
RO (1) RO78544A (es)
SE (1) SE427117B (es)
YU (1) YU54279A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334938A (en) * 1980-08-22 1982-06-15 Air Products And Chemicals, Inc. Inhibited annealing of ferrous metals containing chromium
US4482401A (en) * 1982-07-19 1984-11-13 Allegheny Ludlum Steel Corporation Method for producing cube-on-edge oriented silicon steel
US4582547A (en) * 1984-05-07 1986-04-15 Allegheny Ludlum Steel Corporation Method for improving the annealing separator coating on silicon steel and coating therefor
US4666535A (en) * 1986-04-15 1987-05-19 Allegheny Ludlum Corporation Method of producing low core losses in oriented silicon steels
JP2701314B2 (ja) * 1988-05-10 1998-01-21 日本鋼管株式会社 磁気特性に優れた無方向性電磁鋼板及びその製造方法
DE69032461T2 (de) * 1989-04-14 1998-12-03 Nippon Steel Corp., Tokio/Tokyo Verfahren zur Herstellung von kornorientierten Elektrostahlblechen mit hervorragenden magnetischen Eigenschaften
JP2782086B2 (ja) * 1989-05-29 1998-07-30 新日本製鐵株式会社 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法
US5620533A (en) * 1995-06-28 1997-04-15 Kawasaki Steel Corporation Method for making grain-oriented silicon steel sheet having excellent magnetic properties
JP3220362B2 (ja) * 1995-09-07 2001-10-22 川崎製鉄株式会社 方向性けい素鋼板の製造方法
US6451128B1 (en) * 1997-06-27 2002-09-17 Pohang Iron & Steel Co., Ltd. Method for manufacturing high magnetic flux denshy grain oriented electrical steel sheet based on low temperature slab heating method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867557A (en) * 1956-08-02 1959-01-06 Allegheny Ludlum Steel Method of producing silicon steel strip
GB933873A (en) * 1959-07-09 1963-08-14 United States Steel Corp Method of producing grain oriented electrical steel
US3544396A (en) * 1967-08-28 1970-12-01 Armco Steel Corp Silicon steel coated with magnesia containing chromic oxide
JPS5112451B1 (es) * 1967-12-12 1976-04-20
US3868280A (en) * 1967-12-12 1975-02-25 Takaaki Yamamoto Method of forming electric insulating films oriented silicon steel
US3700506A (en) * 1968-12-10 1972-10-24 Nippon Steel Corp Method for reducing an iron loss of an oriented magnetic steel sheet having a high magnetic induction
US3954521A (en) * 1968-12-23 1976-05-04 Allegheny Ludlum Industries, Inc. Method of producing grain oriented silicon steel
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
US4030950A (en) * 1976-06-17 1977-06-21 Allegheny Ludlum Industries, Inc. Process for cube-on-edge oriented boron-bearing silicon steel including normalizing
US4054471A (en) * 1976-06-17 1977-10-18 Allegheny Ludlum Industries, Inc. Processing for cube-on-edge oriented silicon steel
US4102713A (en) * 1976-06-17 1978-07-25 Allegheny Ludlum Industries, Inc. Silicon steel and processing therefore

Also Published As

Publication number Publication date
ES478713A1 (es) 1979-07-01
DE2909020A1 (de) 1979-09-27
GB2018823A (en) 1979-10-24
AU4454479A (en) 1979-09-20
AR215786A1 (es) 1979-10-31
US4200477A (en) 1980-04-29
IT1114600B (it) 1986-01-27
SE427117B (sv) 1983-03-07
SE7902307L (sv) 1979-09-17
RO78544A (ro) 1982-04-12
PL214174A1 (es) 1979-11-05
JPS54128425A (en) 1979-10-05
GB2018823B (en) 1982-12-22
FR2419980A1 (fr) 1979-10-12
YU54279A (en) 1983-01-21
IT7948349A0 (it) 1979-03-14
AU528202B2 (en) 1983-04-21
CA1127511A (en) 1982-07-13
BR7901466A (pt) 1979-10-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ALLEGHENY LUDLUM INDUSTRIES INC.

Effective date: 19840316