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FR2348277A1 - MANUFACTURING PROCESS OF IRON-SILICON SHEETS WITH X ORIENTATED CRYSTAL - Google Patents

MANUFACTURING PROCESS OF IRON-SILICON SHEETS WITH X ORIENTATED CRYSTAL

Info

Publication number
FR2348277A1
FR2348277A1 FR7711020A FR7711020A FR2348277A1 FR 2348277 A1 FR2348277 A1 FR 2348277A1 FR 7711020 A FR7711020 A FR 7711020A FR 7711020 A FR7711020 A FR 7711020A FR 2348277 A1 FR2348277 A1 FR 2348277A1
Authority
FR
France
Prior art keywords
iron
manufacturing process
silicon sheets
orientated crystal
orientated
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
FR7711020A
Other languages
French (fr)
Other versions
FR2348277B1 (en
Inventor
Carl Michael Maucione
Howard Charles Fiedler
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.)
General Electric Co
Original Assignee
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 US05/781,119 external-priority patent/US4186038A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of FR2348277A1 publication Critical patent/FR2348277A1/en
Application granted granted Critical
Publication of FR2348277B1 publication Critical patent/FR2348277B1/fr
Granted 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
    • C21D8/1277—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating
    • 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)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Chemical Treatment Of Metals (AREA)
FR7711020A 1976-04-15 1977-04-13 MANUFACTURING PROCESS OF IRON-SILICON SHEETS WITH X ORIENTATED CRYSTAL Granted FR2348277A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US67714776A 1976-04-15 1976-04-15
US67714676A 1976-04-15 1976-04-15
US74911776A 1976-12-09 1976-12-09
US05/781,119 US4186038A (en) 1976-04-15 1977-03-25 Method of producing silicon-iron sheet material with boron addition, and product

Publications (2)

Publication Number Publication Date
FR2348277A1 true FR2348277A1 (en) 1977-11-10
FR2348277B1 FR2348277B1 (en) 1983-11-04

Family

ID=27505370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711020A Granted FR2348277A1 (en) 1976-04-15 1977-04-13 MANUFACTURING PROCESS OF IRON-SILICON SHEETS WITH X ORIENTATED CRYSTAL

Country Status (9)

Country Link
JP (1) JPS52141415A (en)
AU (1) AU513065B2 (en)
BR (1) BR7702460A (en)
FR (1) FR2348277A1 (en)
GB (1) GB1584455A (en)
IT (1) IT1125734B (en)
PL (1) PL115481B1 (en)
SE (1) SE7703456L (en)
YU (1) YU98477A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355087A1 (en) * 1976-06-17 1978-01-13 Allegheny Ludlum Ind Inc SILICON STEEL AND PROCESS FOR THE TREATMENT OF THIS STEEL
FR2355088A1 (en) * 1976-06-17 1978-01-13 Allegheny Ludlum Ind Inc SILICON STEEL AND PROCESS FOR ITS TREATMENT
FR2383244A1 (en) * 1977-03-07 1978-10-06 Gen Electric MANUFACTURING PROCESS OF IRON-SILICON ALLOY SHEETS WITH ORIENTAL CRYSTALS
FR2427405A1 (en) * 1978-05-30 1979-12-28 Allegheny Ludlum Ind Inc BASIC ELECTROLYTIC COATING USEFUL FOR THE PREPARATION OF SILICON STEEL OF HIGH PERMEABILITY
EP0294981A1 (en) * 1987-06-04 1988-12-14 Allegheny Ludlum Corporation Method of producing grain-oriented silicon steel with small boron additions

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2307917B (en) * 1995-12-08 1999-03-17 Hitachi Powdered Metals Manufacturing process of sintered iron alloy improved in machinability,mixed powder for manufacturing modification of iron alloy and iron alloy product

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2022396A1 (en) * 1968-11-01 1970-07-31 Yawata Iron & Steel Co
FR2219980A1 (en) * 1973-03-01 1974-09-27 Armco Steel Corp
US3905843A (en) * 1974-01-02 1975-09-16 Gen Electric Method of producing silicon-iron sheet material with boron addition and product
DE2448778B1 (en) * 1974-10-12 1975-10-23 Nippon Steel Corp Annealing silicon steel sheet or strip - using parting cpd. contg. magnesium oxide and boron oxide as magnesium borate
FR2300821A1 (en) * 1975-02-13 1976-09-10 Allegheny Ludlum Ind Inc PROCESS FOR PREPARING A SILICON STEEL OF HIGH MAGNETIC PERMEABILITY
FR2322930A1 (en) * 1975-09-08 1977-04-01 Allegheny Ludlum Ind Inc PROCESS FOR TREATMENT OF ORIENTATED SILICON STEEL INHIBITED BY ALUMINUM NITRIDE

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2022396A1 (en) * 1968-11-01 1970-07-31 Yawata Iron & Steel Co
FR2219980A1 (en) * 1973-03-01 1974-09-27 Armco Steel Corp
US3905843A (en) * 1974-01-02 1975-09-16 Gen Electric Method of producing silicon-iron sheet material with boron addition and product
DE2448778B1 (en) * 1974-10-12 1975-10-23 Nippon Steel Corp Annealing silicon steel sheet or strip - using parting cpd. contg. magnesium oxide and boron oxide as magnesium borate
FR2300821A1 (en) * 1975-02-13 1976-09-10 Allegheny Ludlum Ind Inc PROCESS FOR PREPARING A SILICON STEEL OF HIGH MAGNETIC PERMEABILITY
FR2322930A1 (en) * 1975-09-08 1977-04-01 Allegheny Ludlum Ind Inc PROCESS FOR TREATMENT OF ORIENTATED SILICON STEEL INHIBITED BY ALUMINUM NITRIDE

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355087A1 (en) * 1976-06-17 1978-01-13 Allegheny Ludlum Ind Inc SILICON STEEL AND PROCESS FOR THE TREATMENT OF THIS STEEL
FR2355088A1 (en) * 1976-06-17 1978-01-13 Allegheny Ludlum Ind Inc SILICON STEEL AND PROCESS FOR ITS TREATMENT
FR2383244A1 (en) * 1977-03-07 1978-10-06 Gen Electric MANUFACTURING PROCESS OF IRON-SILICON ALLOY SHEETS WITH ORIENTAL CRYSTALS
FR2427405A1 (en) * 1978-05-30 1979-12-28 Allegheny Ludlum Ind Inc BASIC ELECTROLYTIC COATING USEFUL FOR THE PREPARATION OF SILICON STEEL OF HIGH PERMEABILITY
EP0294981A1 (en) * 1987-06-04 1988-12-14 Allegheny Ludlum Corporation Method of producing grain-oriented silicon steel with small boron additions

Also Published As

Publication number Publication date
BR7702460A (en) 1978-01-17
SE7703456L (en) 1977-10-16
YU98477A (en) 1982-10-31
AU513065B2 (en) 1980-11-13
PL115481B1 (en) 1981-04-30
GB1584455A (en) 1981-02-11
AU2431777A (en) 1978-10-19
IT1125734B (en) 1986-05-14
JPS52141415A (en) 1977-11-25
FR2348277B1 (en) 1983-11-04

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse