FR2383510A1 - Solution de revetement d'aciers pour emplois magnetiques et revetement isolant obtenu a partir de cette solution - Google Patents

Solution de revetement d'aciers pour emplois magnetiques et revetement isolant obtenu a partir de cette solution

Info

Publication number
FR2383510A1
FR2383510A1 FR7805954A FR7805954A FR2383510A1 FR 2383510 A1 FR2383510 A1 FR 2383510A1 FR 7805954 A FR7805954 A FR 7805954A FR 7805954 A FR7805954 A FR 7805954A FR 2383510 A1 FR2383510 A1 FR 2383510A1
Authority
FR
France
Prior art keywords
parts
solution
calc
coating
weight
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
FR7805954A
Other languages
English (en)
Other versions
FR2383510B1 (fr
Inventor
Edmondo Marianeschi
Paolo Marini
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.)
Centro Sperimentale Metallurgico SpA
Original Assignee
Centro Sperimentale Metallurgico SpA
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 Centro Sperimentale Metallurgico SpA filed Critical Centro Sperimentale Metallurgico SpA
Publication of FR2383510A1 publication Critical patent/FR2383510A1/fr
Application granted granted Critical
Publication of FR2383510B1 publication Critical patent/FR2383510B1/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
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

a. Solutions de revêtement de rubans d'acier magnétique formant un film isolant et ayant un bas coefficient de dilatation thermique. b. Les solutions comprennent, sur base anhydre, pour 100 parties en poids d'acide phosphorique (calc. en P2 O5 ), de 10 à 35 parties en poids d'ions Ca**2**+ (calc. en CaO) et de 70 à 200 parties en poids de silice colloïdale (calc. en SiO 2 ). On peut y ajouter encore jusqu'à 20 parties de Mg**2+ (calc. en MgO), jusqu'à 30 parties de Cr**6+ (calc. en CrO3 ) et/ou jusqu'à 30 parties d acide phosphorique supplémentaire. c. Application au revêtement de rubans magnétiques utilisés dans les transformateurs et les moteurs électriques.
FR7805954A 1977-03-09 1978-03-02 Solution de revetement d'aciers pour emplois magnetiques et revetement isolant obtenu a partir de cette solution Granted FR2383510A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48382/77A IT1115840B (it) 1977-03-09 1977-03-09 Soluzione di rivestimenti per acciai per impieghi magnetici

Publications (2)

Publication Number Publication Date
FR2383510A1 true FR2383510A1 (fr) 1978-10-06
FR2383510B1 FR2383510B1 (fr) 1982-06-18

Family

ID=11266228

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805954A Granted FR2383510A1 (fr) 1977-03-09 1978-03-02 Solution de revetement d'aciers pour emplois magnetiques et revetement isolant obtenu a partir de cette solution

Country Status (10)

Country Link
US (1) US4213792A (fr)
JP (1) JPS53110931A (fr)
BE (1) BE864661A (fr)
CA (1) CA1117260A (fr)
DE (1) DE2810155A1 (fr)
FR (1) FR2383510A1 (fr)
GB (1) GB1587981A (fr)
IT (1) IT1115840B (fr)
LU (1) LU79175A1 (fr)
NL (1) NL7802609A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3172671D1 (en) * 1980-07-24 1985-11-21 Nippon Kinzoku Co Ltd Process for surface treatment of stainless steel sheet
US4347085A (en) * 1981-04-23 1982-08-31 Armco Inc. Insulative coatings for electrical steels
AT377788B (de) * 1982-08-27 1985-04-25 Itt Korrosionsschutzfarbe
JPH0744097B2 (ja) * 1986-10-30 1995-05-15 新日本製鐵株式会社 歪取焼鈍時に鋼板の焼付きのない電磁鋼板用絶縁皮膜の形成方法
DE4233549A1 (de) * 1992-10-01 1994-04-21 Brose Fahrzeugteile Verfahren und Vorrichtung zum Erfassen der Drehzahl und der Dreheinrichtung eines Drehantriebes
US5340605A (en) * 1993-03-05 1994-08-23 The United States Of America As Represented By The United States Department Of Energy Method for plating with metal oxides
US5372847A (en) * 1993-09-16 1994-12-13 The United States Of America As Represented By The United States Department Of Energy Ammonia release method for depositing metal oxides
KR101195220B1 (ko) 2005-12-26 2012-10-29 주식회사 포스코 피막 밀착성이 우수하고 장력부여능이 뛰어난 절연피막형성용 피복조성물 및 이를 이용한 방향성 전기강판의절연피막 형성방법
JP6156646B2 (ja) 2013-10-30 2017-07-05 Ｊｆｅスチール株式会社 磁気特性および被膜密着性に優れる方向性電磁鋼板
DE102020125897A1 (de) 2020-10-02 2022-04-07 Vacuumschmelze Gmbh & Co. Kg Blechpaket, elektrische Maschine und Verfahren zum Herstellen eines Blechpakets

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1134177A (fr) * 1954-09-02 1957-04-08 Parker Ste Continentale Procédé pour l'obtention de revêtements à base de phosphate alcalino-terreux
DE980071C (de) * 1953-09-12 1969-08-28 Metallgesellschaft Ag Loesung und Verfahren zur Herstellung von hitzebestaendigen Phosphatschichten zur elektrischen Isolation auf Eisen und Stahl, insbesondere zum Isolieren von Magnetblechen
DE1496651A1 (de) * 1955-04-09 1969-10-23 Metallgesellschaft Ag Hochtemperaturbestaendiges isoliertes Transformatorenblech oder -band und Verfahren zur Herstellung von Isolierschichten fuer diesen Zweck
DE1621530A1 (de) * 1967-11-23 1971-06-03 Transform Roentgen Matern Veb Verfahren zur Behandlung von Magnetblechen
FR2251610A1 (fr) * 1973-11-17 1975-06-13 Kawasaki Steel Co
FR2311860A1 (fr) * 1975-05-23 1976-12-17 Allegheny Ludlum Ind Inc Acier au silicium a grains orientes et son procede de production

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501846A (en) * 1945-10-03 1950-03-28 Armco Steel Corp Production of silicon steel sheet stock having the property of high surface resistivity
BE513769A (fr) * 1951-08-29
US3121038A (en) * 1960-06-01 1964-02-11 Gen Electric Method of providing a high resistance insulation coating for a conductor in a sheath
US3214302A (en) * 1961-02-22 1965-10-26 Hooker Chemical Corp Method for forming insulating coatings on metal surfaces
US3207636A (en) * 1962-06-26 1965-09-21 Yawata Iron & Steel Co Method for coating silicon steel transformer sheets and composition
US3248249A (en) * 1963-06-28 1966-04-26 Telefiex Inc Inorganic coating and bonding composition
US3528863A (en) * 1966-06-09 1970-09-15 Westinghouse Electric Corp Glass-coated electrical steel sheet
BE789262A (fr) * 1971-09-27 1973-01-15 Nippon Steel Corp Procede de formation d'un film isolant sur un feuillard d'acierau silicium oriente
US3948786A (en) * 1974-10-11 1976-04-06 Armco Steel Corporation Insulative coating for electrical steels
JPS5917521B2 (ja) * 1975-08-22 1984-04-21 川崎製鉄株式会社 方向性けい素鋼板に耐熱性のよい上塗り絶縁被膜を形成する方法
BE854833A (fr) * 1976-05-24 1977-09-16 Centro Sperimentale Metallurgico Spa Separateur de recuit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE980071C (de) * 1953-09-12 1969-08-28 Metallgesellschaft Ag Loesung und Verfahren zur Herstellung von hitzebestaendigen Phosphatschichten zur elektrischen Isolation auf Eisen und Stahl, insbesondere zum Isolieren von Magnetblechen
FR1134177A (fr) * 1954-09-02 1957-04-08 Parker Ste Continentale Procédé pour l'obtention de revêtements à base de phosphate alcalino-terreux
DE1496651A1 (de) * 1955-04-09 1969-10-23 Metallgesellschaft Ag Hochtemperaturbestaendiges isoliertes Transformatorenblech oder -band und Verfahren zur Herstellung von Isolierschichten fuer diesen Zweck
DE1621530A1 (de) * 1967-11-23 1971-06-03 Transform Roentgen Matern Veb Verfahren zur Behandlung von Magnetblechen
FR2251610A1 (fr) * 1973-11-17 1975-06-13 Kawasaki Steel Co
FR2311860A1 (fr) * 1975-05-23 1976-12-17 Allegheny Ludlum Ind Inc Acier au silicium a grains orientes et son procede de production

Also Published As

Publication number Publication date
US4213792A (en) 1980-07-22
CA1117260A (fr) 1982-02-02
DE2810155A1 (de) 1978-09-14
GB1587981A (en) 1981-04-15
IT1115840B (it) 1986-02-10
JPS618150B2 (fr) 1986-03-12
FR2383510B1 (fr) 1982-06-18
LU79175A1 (fr) 1978-06-28
NL7802609A (nl) 1978-09-12
BE864661A (fr) 1978-07-03
JPS53110931A (en) 1978-09-28

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