FR2449134A1 - Procede pour former une pellicule dielectrique ayant une excellente aptitude au decoupage par poinconnage et une forte adhesion, meme apres recuit de detente des tensions dans l'air, sur les surfaces d'une tole d'acier electrique - Google Patents

Procede pour former une pellicule dielectrique ayant une excellente aptitude au decoupage par poinconnage et une forte adhesion, meme apres recuit de detente des tensions dans l'air, sur les surfaces d'une tole d'acier electrique

Info

Publication number
FR2449134A1
FR2449134A1 FR8003292A FR8003292A FR2449134A1 FR 2449134 A1 FR2449134 A1 FR 2449134A1 FR 8003292 A FR8003292 A FR 8003292A FR 8003292 A FR8003292 A FR 8003292A FR 2449134 A1 FR2449134 A1 FR 2449134A1
Authority
FR
France
Prior art keywords
pts
electro
steel sheet
air
heating
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
FR8003292A
Other languages
English (en)
French (fr)
Other versions
FR2449134B1 (da
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Publication of FR2449134A1 publication Critical patent/FR2449134A1/fr
Application granted granted Critical
Publication of FR2449134B1 publication Critical patent/FR2449134B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
FR8003292A 1979-02-15 1980-02-14 Procede pour former une pellicule dielectrique ayant une excellente aptitude au decoupage par poinconnage et une forte adhesion, meme apres recuit de detente des tensions dans l'air, sur les surfaces d'une tole d'acier electrique Granted FR2449134A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1650779A JPS55110731A (en) 1979-02-15 1979-02-15 Formation of electrically insulating film excellent in punchability and adhesion after stress-relief annealing in air on electrical steel plate

Publications (2)

Publication Number Publication Date
FR2449134A1 true FR2449134A1 (fr) 1980-09-12
FR2449134B1 FR2449134B1 (da) 1984-01-13

Family

ID=11918179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8003292A Granted FR2449134A1 (fr) 1979-02-15 1980-02-14 Procede pour former une pellicule dielectrique ayant une excellente aptitude au decoupage par poinconnage et une forte adhesion, meme apres recuit de detente des tensions dans l'air, sur les surfaces d'une tole d'acier electrique

Country Status (4)

Country Link
JP (1) JPS55110731A (da)
DE (1) DE3005538C2 (da)
FR (1) FR2449134A1 (da)
SE (1) SE451603B (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0700059A1 (en) * 1993-02-08 1996-03-06 Kawasaki Steel Corporation Electromagnetic steel sheet having an electrically insulating coating with superior weldability

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909313A (en) * 1972-09-29 1975-09-30 Nippon Steel Corp Method for forming an electric insulating film having excellent punching property and heat resistance on an electrical steel sheet
DE2546193A1 (de) * 1974-10-15 1976-04-22 Tokyo Shibaura Electric Co Vorrichtung fuer elastische oberflaechenwellen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909313A (en) * 1972-09-29 1975-09-30 Nippon Steel Corp Method for forming an electric insulating film having excellent punching property and heat resistance on an electrical steel sheet
DE2546193A1 (de) * 1974-10-15 1976-04-22 Tokyo Shibaura Electric Co Vorrichtung fuer elastische oberflaechenwellen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0700059A1 (en) * 1993-02-08 1996-03-06 Kawasaki Steel Corporation Electromagnetic steel sheet having an electrically insulating coating with superior weldability

Also Published As

Publication number Publication date
JPS55110731A (en) 1980-08-26
DE3005538A1 (de) 1980-08-21
SE8001146L (sv) 1980-08-16
SE451603B (sv) 1987-10-19
DE3005538C2 (de) 1986-09-25
FR2449134B1 (da) 1984-01-13

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Legal Events

Date Code Title Description
ST Notification of lapse