GB1145408A - Process for annealing iron silicon magnetic alloys - Google Patents

Process for annealing iron silicon magnetic alloys

Info

Publication number
GB1145408A
GB1145408A GB25275/66A GB2527566A GB1145408A GB 1145408 A GB1145408 A GB 1145408A GB 25275/66 A GB25275/66 A GB 25275/66A GB 2527566 A GB2527566 A GB 2527566A GB 1145408 A GB1145408 A GB 1145408A
Authority
GB
United Kingdom
Prior art keywords
sheet
sulphur
heat
separator
annealing
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.)
Expired
Application number
GB25275/66A
Other languages
English (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.)
Armco Inc
Original Assignee
Armco 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 Armco Inc filed Critical Armco Inc
Publication of GB1145408A publication Critical patent/GB1145408A/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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Chemical Treatment Of Metals (AREA)
GB25275/66A 1965-06-09 1966-06-07 Process for annealing iron silicon magnetic alloys Expired GB1145408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US462708A US3375144A (en) 1965-06-09 1965-06-09 Process for producing oriented silicon steels in which an annealing separator is used which contains a sodium or potassium, hydroxide or sulfide

Publications (1)

Publication Number Publication Date
GB1145408A true GB1145408A (en) 1969-03-12

Family

ID=23837475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25275/66A Expired GB1145408A (en) 1965-06-09 1966-06-07 Process for annealing iron silicon magnetic alloys

Country Status (7)

Country Link
US (1) US3375144A (de)
BE (1) BE682238A (de)
DE (1) DE1508365A1 (de)
ES (1) ES327704A1 (de)
FR (1) FR1482649A (de)
GB (1) GB1145408A (de)
SE (1) SE305461B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533861A (en) * 1966-06-09 1970-10-13 Westinghouse Electric Corp Method of improving the magnetostriction and core loss of cube-on-face oriented magnetic steels
US3879234A (en) * 1971-12-22 1975-04-22 Merck & Co Inc Lithia-containing frit additives for MgO coatings
US4367100A (en) * 1979-10-15 1983-01-04 Allegheny Ludlum Steel Corporation Silicon steel and processing therefore
EP0305966B1 (de) * 1987-08-31 1992-11-04 Nippon Steel Corporation Verfahren zur Herstellung von kornorientierten Stahlblechen mit Metallglanz und ausgezeichneter Stanzbarkeit
US5547519A (en) * 1995-02-28 1996-08-20 Armco Inc. Magnesia coating and process for producing grain oriented electrical steel for punching quality

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2150777A (en) * 1934-06-09 1939-03-14 Gen Electric Alkaline coating for sheet steel
US2385332A (en) * 1941-04-23 1945-09-25 American Rolling Mill Co Production of silicon steel sheet stock having insulative surfaces
US2394047A (en) * 1941-07-24 1946-02-05 Westinghouse Electric Corp Process of coating ferrous silicon magnetic material
US2354123A (en) * 1941-08-16 1944-07-18 Westinghouse Electric & Mfg Co Insulation for silicon irons
US2809137A (en) * 1954-12-02 1957-10-08 Gen Electric Insulating coating for magnetic sheet material and method of making the same
US3227587A (en) * 1959-08-18 1966-01-04 Allegheny Ludlum Steel Method of annealing magnesia coated silicon-iron alloys in a vacuum
US3331713A (en) * 1964-06-15 1967-07-18 Allegheny Ludlum Steel Method of forming an insulating coating on silicon-iron sheets

Also Published As

Publication number Publication date
ES327704A1 (es) 1967-03-16
DE1508365A1 (de) 1969-10-30
FR1482649A (fr) 1967-05-26
US3375144A (en) 1968-03-26
BE682238A (de) 1966-11-14
SE305461B (de) 1968-10-28

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