FR2357660A1 - Pellicule isolante de forsterite formee sur la surface d'une tole d'acier au silicium a grains orientes avec une induction magnetique elevee et procede de formation de cette pellicule - Google Patents

Pellicule isolante de forsterite formee sur la surface d'une tole d'acier au silicium a grains orientes avec une induction magnetique elevee et procede de formation de cette pellicule

Info

Publication number
FR2357660A1
FR2357660A1 FR7720522A FR7720522A FR2357660A1 FR 2357660 A1 FR2357660 A1 FR 2357660A1 FR 7720522 A FR7720522 A FR 7720522A FR 7720522 A FR7720522 A FR 7720522A FR 2357660 A1 FR2357660 A1 FR 2357660A1
Authority
FR
France
Prior art keywords
film
silicon steel
insulating film
sheet
forming
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
FR7720522A
Other languages
English (en)
French (fr)
Other versions
FR2357660B1 (OSRAM
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 FR2357660A1 publication Critical patent/FR2357660A1/fr
Application granted granted Critical
Publication of FR2357660B1 publication Critical patent/FR2357660B1/fr
Granted legal-status Critical Current

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
    • C21D8/1244—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
    • 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
    • C21D8/1277—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Inorganic Insulating Materials (AREA)
FR7720522A 1976-07-05 1977-07-04 Pellicule isolante de forsterite formee sur la surface d'une tole d'acier au silicium a grains orientes avec une induction magnetique elevee et procede de formation de cette pellicule Granted FR2357660A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7972076A JPS535800A (en) 1976-07-05 1976-07-05 Highhmagneticcflux density oneeway siliconnsteellfolstellite insulator film and method of formation thereof

Publications (2)

Publication Number Publication Date
FR2357660A1 true FR2357660A1 (fr) 1978-02-03
FR2357660B1 FR2357660B1 (OSRAM) 1980-03-14

Family

ID=13698025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720522A Granted FR2357660A1 (fr) 1976-07-05 1977-07-04 Pellicule isolante de forsterite formee sur la surface d'une tole d'acier au silicium a grains orientes avec une induction magnetique elevee et procede de formation de cette pellicule

Country Status (6)

Country Link
US (1) US4127429A (OSRAM)
JP (1) JPS535800A (OSRAM)
DE (1) DE2730172C2 (OSRAM)
FR (1) FR2357660A1 (OSRAM)
GB (1) GB1573830A (OSRAM)
SE (1) SE442752B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0130674A3 (en) * 1983-07-05 1985-05-15 Allegheny Ludlum Corporation Process for producing cube-on-edge oriented electromagnetic silicon steel

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693762A (en) * 1983-07-05 1987-09-15 Allegheny Ludlum Corporation Processing for cube-on-edge oriented silicon steel
JP2790674B2 (ja) * 1989-09-29 1998-08-27 川崎製鉄株式会社 方向性珪素鋼板の絶縁被膜形成方法
DE19816200A1 (de) * 1998-04-09 1999-10-14 G K Steel Trading Gmbh Verfahren zur Herstellung eines Forsterit-Isolationsfilms auf einer Oberfläche von korn-orientierten, anisotropen, elektrotechnischen Stahlblechen
JP4268344B2 (ja) * 2001-04-12 2009-05-27 Ｊｆｅスチール株式会社 加工性に優れる絶縁被膜付き電磁鋼板
US8691172B2 (en) * 2008-02-25 2014-04-08 Kbi Enterprises, Llc Forsterite and method for making
US8920581B2 (en) * 2008-12-16 2014-12-30 Nippon Steel & Sumitomo Metal Corporation Grain-oriented electrical steel sheet and manufacturing method thereof
JP5610084B2 (ja) * 2011-10-20 2014-10-22 Ｊｆｅスチール株式会社 方向性電磁鋼板およびその製造方法
KR101683693B1 (ko) * 2013-02-27 2016-12-07 제이에프이 스틸 가부시키가이샤 방향성 전자 강판의 제조 방법
KR101675318B1 (ko) * 2015-12-21 2016-11-11 주식회사 포스코 방향성 전기강판 및 이의 제조방법
WO2020203928A1 (ja) 2019-03-29 2020-10-08 Ｊｆｅスチール株式会社 方向性電磁鋼板およびその製造方法
WO2021085421A1 (ja) * 2019-10-31 2021-05-06 Ｊｆｅスチール株式会社 方向性電磁鋼板とその製造方法
CN116457478A (zh) * 2020-10-26 2023-07-18 日本制铁株式会社 卷绕铁芯

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196054A (en) * 1963-08-14 1965-07-20 Armco Steel Corp Process of decarburizing and annealing of open coil silicon-iron sheet stock without intervening surface treatment
US3116179A (en) * 1960-09-27 1963-12-31 Armco Steel Corp Production of non-oriented ferrous magnetic materials
JPS4813814B1 (OSRAM) * 1969-12-18 1973-05-01
CS166652B2 (OSRAM) * 1971-02-20 1976-03-29
US3945862A (en) * 1973-06-26 1976-03-23 Merck & Co., Inc. Coated ferrous substrates comprising an amorphous magnesia-silica complex
JPS5432412B2 (OSRAM) * 1973-10-31 1979-10-15
JPS50116998A (OSRAM) * 1974-02-28 1975-09-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0130674A3 (en) * 1983-07-05 1985-05-15 Allegheny Ludlum Corporation Process for producing cube-on-edge oriented electromagnetic silicon steel

Also Published As

Publication number Publication date
FR2357660B1 (OSRAM) 1980-03-14
US4127429A (en) 1978-11-28
SE442752B (sv) 1986-01-27
JPS5734351B2 (OSRAM) 1982-07-22
DE2730172C2 (de) 1983-11-10
DE2730172A1 (de) 1978-01-19
JPS535800A (en) 1978-01-19
GB1573830A (en) 1980-08-28
SE7707712L (sv) 1978-01-06

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