BE821596A - Procede de formation d'un revetement isolant sur une tole en acier au silicium - Google Patents

Procede de formation d'un revetement isolant sur une tole en acier au silicium

Info

Publication number
BE821596A
BE821596A BE149977A BE149977A BE821596A BE 821596 A BE821596 A BE 821596A BE 149977 A BE149977 A BE 149977A BE 149977 A BE149977 A BE 149977A BE 821596 A BE821596 A BE 821596A
Authority
BE
Belgium
Prior art keywords
forming
steel sheet
insulating coating
silicon steel
silicon
Prior art date
Application number
BE149977A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE821596A publication Critical patent/BE821596A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical 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
    • C23C22/05Chemical 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 using aqueous solutions
    • C23C22/06Chemical 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 using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24Chemical 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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • C23C22/33Chemical 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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also phosphates
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical 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
    • C23C22/73Chemical 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
    • C23C22/74Chemical 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/14Magnets 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
    • H01F1/147Alloys characterised by their composition
    • H01F1/14766Fe-Si based alloys
    • H01F1/14775Fe-Si based alloys in the form of sheets
    • H01F1/14783Fe-Si based alloys in the form of sheets with insulating coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Insulating Bodies (AREA)
  • Soft Magnetic Materials (AREA)
BE149977A 1973-11-17 1974-10-29 Procede de formation d'un revetement isolant sur une tole en acier au silicium BE821596A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12949573A JPS5652117B2 (fi) 1973-11-17 1973-11-17

Publications (1)

Publication Number Publication Date
BE821596A true BE821596A (fr) 1975-02-17

Family

ID=15010880

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149977A BE821596A (fr) 1973-11-17 1974-10-29 Procede de formation d'un revetement isolant sur une tole en acier au silicium

Country Status (13)

Country Link
US (1) US3985583A (fi)
JP (1) JPS5652117B2 (fi)
BE (1) BE821596A (fi)
BR (1) BR7409439A (fi)
CA (1) CA1021672A (fi)
DE (1) DE2450850C3 (fi)
DK (1) DK148692C (fi)
FI (1) FI57976C (fi)
FR (1) FR2251610B1 (fi)
GB (1) GB1482546A (fi)
IT (1) IT1025703B (fi)
NO (1) NO139971C (fi)
SE (1) SE420109B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810155A1 (de) * 1977-03-09 1978-09-14 Centro Speriment Metallurg Ueberzugsloesung fuer elektrostahlbleche

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032366A (en) * 1975-05-23 1977-06-28 Allegheny Ludlum Industries, Inc. Grain-oriented silicon steel and processing therefor
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
JPS53129116A (en) * 1977-04-18 1978-11-10 Nippon Steel Corp Oriented electromagnetic steel sheet with excellent magnetic characteristic s
JPS5655574A (en) * 1979-10-15 1981-05-16 Nippon Steel Corp Manufacture of nondirectional magnetic steel sheet excellent in iron loss and magnetostriction characteristic
US4269634A (en) * 1979-12-04 1981-05-26 Westinghouse Electric Corp. Loss reduction in oriented iron-base alloys containing sulfur
EP0045017B1 (en) * 1980-07-24 1985-10-16 Nippon Kinzoku Co., Ltd. Process for surface treatment of stainless steel sheet
JPS58185749U (ja) * 1982-05-31 1983-12-09 株式会社ノーリツ 気化バ−ナを備えた温水器
JPS6141778A (ja) * 1984-08-02 1986-02-28 Nippon Steel Corp 張力付加性およびスベリ性の優れた方向性電磁鋼板の絶縁皮膜形成方法
WO1986004929A1 (en) 1985-02-22 1986-08-28 Kawasaki Steel Corporation Process for producing unidirectional silicon steel plate with extraordinarily low iron loss
US4909864A (en) * 1986-09-16 1990-03-20 Kawasaki Steel Corp. Method of producing extra-low iron loss grain oriented silicon steel sheets
US6280862B1 (en) * 1997-04-03 2001-08-28 Kawasaki Steel Corporation Ultra-low iron loss grain-oriented silicon steel sheet
KR100554559B1 (ko) * 1997-12-12 2006-05-25 제이에프이 스틸 가부시키가이샤 스트레스릴리프어닐링이가능하고내용제성이뛰어난전자강판및그의제조방법
JP4479047B2 (ja) * 2000-03-30 2010-06-09 Jfeスチール株式会社 極めて鉄損の低い一方向性電磁鋼板の製造方法
JP2005317683A (ja) * 2004-04-27 2005-11-10 Nippon Steel Corp 3相積み鉄心用の方向性電磁鋼板
JP4747564B2 (ja) 2004-11-30 2011-08-17 Jfeスチール株式会社 方向性電磁鋼板
WO2006126660A1 (ja) 2005-05-23 2006-11-30 Nippon Steel Corporation 被膜密着性に優れる方向性電磁鋼板およびその製造方法
JP5063902B2 (ja) * 2006-02-17 2012-10-31 新日本製鐵株式会社 方向性電磁鋼板とその絶縁被膜処理方法
JP4983334B2 (ja) * 2007-03-28 2012-07-25 Jfeスチール株式会社 方向性電磁鋼板用絶縁被膜処理液および方向性電磁鋼板の製造方法
US9011585B2 (en) 2007-08-09 2015-04-21 Jfe Steel Corporation Treatment solution for insulation coating for grain-oriented electrical steel sheets
JP5181571B2 (ja) 2007-08-09 2013-04-10 Jfeスチール株式会社 方向性電磁鋼板用クロムフリー絶縁被膜処理液および絶縁被膜付方向性電磁鋼板の製造方法
JP5194641B2 (ja) 2007-08-23 2013-05-08 Jfeスチール株式会社 方向性電磁鋼板用絶縁被膜処理液および絶縁被膜付方向性電磁鋼板の製造方法
JP5104128B2 (ja) 2007-08-30 2012-12-19 Jfeスチール株式会社 方向性電磁鋼板用クロムフリー絶縁被膜処理液および絶縁被膜付方向性電磁鋼板の製造方法
EP2537958B1 (en) 2010-02-18 2016-08-31 Nippon Steel & Sumitomo Metal Corporation Non-oriented electromagnetic steel sheet and process for production thereof
JP5077470B2 (ja) 2010-08-06 2012-11-21 Jfeスチール株式会社 方向性電磁鋼板
MX335959B (es) * 2010-08-06 2016-01-05 Jfe Steel Corp Lamina de acero electrico de grano orientado y metodo para la fabricacion de la misma.
JP5434999B2 (ja) 2011-09-16 2014-03-05 Jfeスチール株式会社 鉄損特性に優れる方向性電磁鋼板の製造方法
US20140272399A1 (en) * 2011-11-04 2014-09-18 Tata Steel Uk Limited Coated grain oriented steel
CN104024474A (zh) * 2011-12-28 2014-09-03 杰富意钢铁株式会社 具有涂层的取向性电磁钢板及其制造方法
WO2014017590A1 (ja) 2012-07-26 2014-01-30 Jfeスチール株式会社 方向性電磁鋼板の製造方法
KR101707539B1 (ko) 2012-07-26 2017-02-16 제이에프이 스틸 가부시키가이샤 방향성 전자 강판의 제조 방법
KR102240346B1 (ko) * 2013-02-08 2021-04-14 닛폰세이테츠 가부시키가이샤 절연 코팅을 형성하기 위한 용액 및 방향성 전기 강 시트
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
CN106414802B (zh) 2014-01-31 2018-11-06 杰富意钢铁株式会社 无铬张力被膜用处理液、无铬张力被膜的形成方法、以及具有无铬张力被膜的取向性电磁钢板
JP6332452B2 (ja) 2015-03-27 2018-05-30 Jfeスチール株式会社 絶縁被膜付き方向性電磁鋼板およびその製造方法
WO2016158325A1 (ja) 2015-03-27 2016-10-06 Jfeスチール株式会社 絶縁被膜付き方向性電磁鋼板およびその製造方法
RU2698234C1 (ru) 2016-09-13 2019-08-23 ДжФЕ СТИЛ КОРПОРЕЙШН Лист из текстурированной электротехнической стали, имеющий не содержащее хрома изоляционное покрытие, создающее натяжение, и способы изготовления такого стального листа
KR101850133B1 (ko) * 2016-10-26 2018-04-19 주식회사 포스코 방향성 전기강판용 소둔 분리제 조성물, 방향성 전기강판 및 방향성 전기강판의 제조방법
KR20190086531A (ko) 2016-12-28 2019-07-22 제이에프이 스틸 가부시키가이샤 방향성 전기 강판, 변압기의 철심 및 변압기 그리고 변압기의 소음의 저감 방법
JP6573042B1 (ja) * 2017-11-28 2019-09-11 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
KR102483593B1 (ko) 2018-02-06 2022-12-30 제이에프이 스틸 가부시키가이샤 절연 피막 부착 전자 강판 및 그의 제조 방법
KR102458991B1 (ko) 2018-03-30 2022-10-25 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법 및 연속 성막 장치
KR102542094B1 (ko) 2018-05-30 2023-06-12 제이에프이 스틸 가부시키가이샤 절연 피막이 형성된 전기 강판 및 그 제조 방법, 상기 전기 강판을 사용하여 이루어지는 변압기의 철심, 변압기 그리고 변압기의 유전손실의 저감 방법
CN112534083B (zh) 2018-07-31 2022-05-17 杰富意钢铁株式会社 绝缘被膜处理液、带有绝缘被膜的取向性电磁钢板及其制造方法
US20210269921A1 (en) 2018-08-17 2021-09-02 Jfe Steel Corporation Production method for treatment solution for forming insulating coating, production method for steel sheet having insulating coating, and production apparatus for treatment solution for forming insulating coating
CN112567073B (zh) 2018-08-17 2022-05-27 杰富意钢铁株式会社 绝缘覆膜形成用处理液的制造方法和制造装置以及带有绝缘覆膜的钢板的制造方法
KR102503902B1 (ko) 2018-09-28 2023-02-27 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법 및 냉간 압연 설비
KR102650257B1 (ko) 2018-09-28 2024-03-21 제이에프이 스틸 가부시키가이샤 크롬프리 절연 피막 형성용 처리제, 절연 피막이 형성된 방향성 전기 강판 및 그 제조 방법
CA3151419C (en) 2019-10-31 2024-01-09 Takashi Terashima Electrical steel sheet with insulating film
WO2021084793A1 (ja) 2019-10-31 2021-05-06 Jfeスチール株式会社 絶縁被膜付き電磁鋼板
JP6904499B1 (ja) 2019-10-31 2021-07-14 Jfeスチール株式会社 被膜形成方法および絶縁被膜付き電磁鋼板の製造方法
EP4159336A4 (en) 2020-06-30 2024-04-03 JFE Steel Corporation METHOD AND PLANT FOR THE PRODUCTION OF GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET
JP7276502B2 (ja) 2020-06-30 2023-05-18 Jfeスチール株式会社 方向性電磁鋼板の製造方法及び設備列
JP7081725B1 (ja) 2020-06-30 2022-06-07 Jfeスチール株式会社 方向性電磁鋼板の製造方法
KR20230066067A (ko) * 2020-10-21 2023-05-12 제이에프이 스틸 가부시키가이샤 방향성 전기 강판, 방향성 전기 강판의 제조 방법 및 방향성 전기 강판의 평가 방법
US20240052448A1 (en) 2021-01-28 2024-02-15 Jfe Steel Corporation Method of manufacturing grain-oriented electrical steel sheet and rolling apparatus for manufacturing electrical steel sheet
RU2765555C1 (ru) 2021-05-31 2022-02-01 Публичное Акционерное Общество "Новолипецкий металлургический комбинат" Электроизоляционное покрытие для электротехнической анизотропной стали, не содержащее в составе соединений хрома и обладающее высокими потребительскими характеристиками
EP4353850A1 (en) 2021-06-30 2024-04-17 JFE Steel Corporation Method for manufacturing oriented electromagnetic steel sheet and rolling equipment for manufacturing oriented electromagnetic steel sheet
KR20240011759A (ko) 2021-06-30 2024-01-26 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법 및 방향성 전기 강판 제조용 압연 설비
CN115851004B (zh) * 2021-09-24 2023-12-12 宝山钢铁股份有限公司 一种耐热刻痕型取向硅钢涂层用涂液、取向硅钢板及其制造方法
MX2024007026A (es) 2021-12-14 2024-06-21 Jfe Steel Corp Lamina de acero electrico de grano orientado y metodos de fabricacion de la misma.
WO2023139847A1 (ja) 2022-01-21 2023-07-27 Jfeスチール株式会社 前処理液および絶縁被膜付き電磁鋼板の製造方法
EP4446464A1 (en) 2022-01-21 2024-10-16 JFE Steel Corporation Pre-treatment liquid and method for manufacturing electromagnetic steel sheet provided with insulating film
KR20240134954A (ko) 2022-03-14 2024-09-10 제이에프이 스틸 가부시키가이샤 방향성 전기 강판 및 그 제조 방법
WO2024096761A1 (en) 2022-10-31 2024-05-10 Public Joint-stock Company "Novolipetsk Steel" An electrical insulating coating сomposition providing high commercial properties to grain oriented electrical steel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL66964C (fi) * 1946-04-03
US3138492A (en) * 1961-10-11 1964-06-23 Allegheny Ludlum Steel Insulating coating for magnetic steel
US3248249A (en) * 1963-06-28 1966-04-26 Telefiex Inc Inorganic coating and bonding composition
US3562011A (en) * 1968-04-26 1971-02-09 Gen Electric Insulating coating comprising an aqueous mixture of the reaction product of chromium nitrate and sodium chromate,phosphoric acid and colloidal silica and method of making the same
US3615918A (en) * 1969-03-28 1971-10-26 Armco Steel Corp Method of annealing with a magnesia separator containing a decomposable phosphate
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810155A1 (de) * 1977-03-09 1978-09-14 Centro Speriment Metallurg Ueberzugsloesung fuer elektrostahlbleche

Also Published As

Publication number Publication date
US3985583A (en) 1976-10-12
DK148692B (da) 1985-09-02
SE420109B (sv) 1981-09-14
JPS5079442A (fi) 1975-06-27
DE2450850B2 (de) 1977-08-18
CA1021672A (en) 1977-11-29
IT1025703B (it) 1978-08-30
DE2450850C3 (de) 1978-04-13
GB1482546A (en) 1977-08-10
FI57976C (fi) 1980-11-10
FI57976B (fi) 1980-07-31
BR7409439A (pt) 1976-05-18
FR2251610A1 (fi) 1975-06-13
SE7411670L (fi) 1975-05-20
NO139971B (no) 1979-03-05
FI275074A (fi) 1975-05-18
NO139971C (no) 1979-06-13
DK148692C (da) 1986-02-10
DE2450850A1 (de) 1975-05-22
FR2251610B1 (fi) 1979-03-16
NO743362L (fi) 1975-06-16
DK546974A (fi) 1975-07-21
JPS5652117B2 (fi) 1981-12-10

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Owner name: KAWASAKI STEEL CORP.

Effective date: 19941029