IT1125734B - METHOD OF PRODUCTION OF SILICON STEEL SHEETS WITH ORIENTED GRAINS - Google Patents

METHOD OF PRODUCTION OF SILICON STEEL SHEETS WITH ORIENTED GRAINS

Info

Publication number
IT1125734B
IT1125734B IT2247077A IT2247077A IT1125734B IT 1125734 B IT1125734 B IT 1125734B IT 2247077 A IT2247077 A IT 2247077A IT 2247077 A IT2247077 A IT 2247077A IT 1125734 B IT1125734 B IT 1125734B
Authority
IT
Italy
Prior art keywords
production
steel sheets
silicon steel
oriented grains
grains
Prior art date
Application number
IT2247077A
Other languages
Italian (it)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1125734B publication Critical patent/IT1125734B/en

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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (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)
IT2247077A 1976-04-15 1977-04-14 METHOD OF PRODUCTION OF SILICON STEEL SHEETS WITH ORIENTED GRAINS IT1125734B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US67714676A 1976-04-15 1976-04-15
US67714776A 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 (1)

Publication Number Publication Date
IT1125734B true IT1125734B (en) 1986-05-14

Family

ID=27505370

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2247077A IT1125734B (en) 1976-04-15 1977-04-14 METHOD OF PRODUCTION OF SILICON STEEL SHEETS WITH ORIENTED GRAINS

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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102713A (en) * 1976-06-17 1978-07-25 Allegheny Ludlum Industries, Inc. Silicon steel and processing therefore
ZA773084B (en) * 1976-06-17 1978-04-26 Allegheny Ludlum Ind Inc Silicon steel and processing therefor
DE2805810A1 (en) * 1977-03-07 1978-09-14 Gen Electric COATING OF SILICON IRON MATERIAL
AU4688979A (en) * 1978-05-30 1979-12-06 Allegheny Ludlum Industries Inc. Electrolytic base coating
MX167814B (en) * 1987-06-04 1993-04-13 Allegheny Ludlum Corp METHOD FOR PRODUCING GEAR ORIENTED SILICON STEEL WITH SMALL BORO ADDITIONS
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1287424A (en) * 1968-11-01 1972-08-31 Nippon Steel Corp Process for producing oriented magnetic steel plates low in the iron loss
US3873381A (en) * 1973-03-01 1975-03-25 Armco Steel Corp High permeability cube-on-edge oriented silicon steel and method of making it
US3905843A (en) * 1974-01-02 1975-09-16 Gen Electric Method of producing silicon-iron sheet material with boron addition and product
AR208355A1 (en) * 1975-02-13 1976-12-20 Allegheny Ludlum Ind Inc PROCEDURE FOR PRODUCING SILICONE ELECTROMAGNETIC STEEL
US4010050A (en) * 1975-09-08 1977-03-01 Allegheny Ludlum Industries, Inc. Processing for aluminum nitride inhibited oriented silicon steel

Also Published As

Publication number Publication date
FR2348277A1 (en) 1977-11-10
JPS52141415A (en) 1977-11-25
AU2431777A (en) 1978-10-19
GB1584455A (en) 1981-02-11
PL115481B1 (en) 1981-04-30
FR2348277B1 (en) 1983-11-04
BR7702460A (en) 1978-01-17
AU513065B2 (en) 1980-11-13
YU98477A (en) 1982-10-31
SE7703456L (en) 1977-10-16

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