IT1079691B - Perfezionamento nei procedimento di produzione di acciai al silicio per impieghi magnetici - Google Patents

Perfezionamento nei procedimento di produzione di acciai al silicio per impieghi magnetici

Info

Publication number
IT1079691B
IT1079691B IT49835/77A IT4983577A IT1079691B IT 1079691 B IT1079691 B IT 1079691B IT 49835/77 A IT49835/77 A IT 49835/77A IT 4983577 A IT4983577 A IT 4983577A IT 1079691 B IT1079691 B IT 1079691B
Authority
IT
Italy
Prior art keywords
improvement
production process
silicon steels
magnetic use
magnetic
Prior art date
Application number
IT49835/77A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1079691B publication Critical patent/IT1079691B/it

Links

Classifications

    • 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
    • C21D8/1277—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (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)
  • Heat Treatment Of Sheet Steel (AREA)
IT49835/77A 1976-06-17 1977-06-15 Perfezionamento nei procedimento di produzione di acciai al silicio per impieghi magnetici IT1079691B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/696,967 US4102713A (en) 1976-06-17 1976-06-17 Silicon steel and processing therefore

Publications (1)

Publication Number Publication Date
IT1079691B true IT1079691B (it) 1985-05-13

Family

ID=24799242

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49835/77A IT1079691B (it) 1976-06-17 1977-06-15 Perfezionamento nei procedimento di produzione di acciai al silicio per impieghi magnetici

Country Status (22)

Country Link
US (1) US4102713A (it)
JP (1) JPS52153827A (it)
AR (1) AR222963A1 (it)
AT (1) AT363978B (it)
AU (1) AU509494B2 (it)
BE (1) BE855835A (it)
BR (1) BR7703869A (it)
CA (1) CA1084818A (it)
CS (1) CS216696B2 (it)
DE (1) DE2727089A1 (it)
ES (1) ES459893A1 (it)
FR (1) FR2355088A1 (it)
GB (1) GB1565420A (it)
HU (1) HU178414B (it)
IN (1) IN146552B (it)
IT (1) IT1079691B (it)
MX (1) MX4670E (it)
PL (1) PL114603B1 (it)
RO (1) RO72397A (it)
SE (1) SE7707031L (it)
YU (1) YU151777A (it)
ZA (1) ZA773087B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805810A1 (de) * 1977-03-07 1978-09-14 Gen Electric Beschichtung von silizium-eisenmaterial
US4160681A (en) * 1977-12-27 1979-07-10 Allegheny Ludlum Industries, Inc. Silicon steel and processing therefore
US4200477A (en) * 1978-03-16 1980-04-29 Allegheny Ludlum Industries, Inc. Processing for electromagnetic silicon steel
US4157925A (en) * 1978-04-12 1979-06-12 Allegheny Ludlum Industries, Inc. Texture annealing silicon steel
US4244757A (en) * 1979-05-21 1981-01-13 Allegheny Ludlum Steel Corporation Processing for cube-on-edge oriented silicon steel
US4367100A (en) * 1979-10-15 1983-01-04 Allegheny Ludlum Steel Corporation Silicon steel and processing therefore
US4338144A (en) * 1980-03-24 1982-07-06 General Electric Company Method of producing silicon-iron sheet material with annealing atmospheres of nitrogen and hydrogen
WO1999063120A1 (fr) * 1998-05-29 1999-12-09 Sumitomo Special Metals Co., Ltd. Procede de production d'un acier a haute teneur en silicium, et acier au silicium

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222228A (en) * 1962-06-28 1965-12-07 Crucible Steel Co America Method of boronizing steel
JPS5112451B1 (it) * 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
US3676227A (en) * 1968-11-01 1972-07-11 Nippon Steel Corp Process for producing single oriented silicon steel plates low in the iron loss
GB1287424A (en) * 1968-11-01 1972-08-31 Nippon Steel Corp Process for producing oriented magnetic steel plates low in the iron loss
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
BE754777A (fr) * 1969-08-18 1971-02-12 Morton Int Inc Composition de revetement a base d'oxyde de magnesium et procede d'utilisation de cette composition
US3697322A (en) * 1970-08-17 1972-10-10 Merck & Co Inc Magnesium oxide coatings
US3873381A (en) * 1973-03-01 1975-03-25 Armco Steel Corp High permeability cube-on-edge oriented silicon steel and method of making it
US3941621A (en) * 1973-05-14 1976-03-02 Merck & Co., Inc. Coatings for ferrous substrates
US3945862A (en) * 1973-06-26 1976-03-23 Merck & Co., Inc. Coated ferrous substrates comprising an amorphous magnesia-silica complex
US3905842A (en) * 1974-01-07 1975-09-16 Gen Electric Method of producing silicon-iron sheet material with boron addition and product
US3957546A (en) * 1974-09-16 1976-05-18 General Electric Company Method of producing oriented silicon-iron sheet material with boron and nitrogen additions
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
SE7703456L (sv) * 1976-04-15 1977-10-16 Gen Electric Tunnplat av kiseljern med bortillsats samt forfarande for framstellning derav
US4030950A (en) * 1976-06-17 1977-06-21 Allegheny Ludlum Industries, Inc. Process for cube-on-edge oriented boron-bearing silicon steel including normalizing

Also Published As

Publication number Publication date
GB1565420A (en) 1980-04-23
IN146552B (it) 1979-07-14
BR7703869A (pt) 1978-03-28
HU178414B (en) 1982-05-28
US4102713A (en) 1978-07-25
DE2727089A1 (de) 1977-12-29
BE855835A (fr) 1977-12-19
FR2355088B1 (it) 1982-06-18
FR2355088A1 (fr) 1978-01-13
CS216696B2 (en) 1982-11-26
AR222963A1 (es) 1981-07-15
SE7707031L (sv) 1977-12-18
RO72397A (ro) 1982-05-10
ATA420177A (de) 1981-02-15
AU509494B2 (en) 1980-05-15
ES459893A1 (es) 1978-11-16
YU151777A (en) 1982-10-31
ZA773087B (en) 1978-04-26
MX4670E (es) 1982-07-23
CA1084818A (en) 1980-09-02
PL114603B1 (en) 1981-02-28
JPS52153827A (en) 1977-12-21
AT363978B (de) 1981-09-10
PL198884A1 (pl) 1978-02-13
AU2552477A (en) 1978-11-30

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