CA1021672A - Method for forming an insulating coating on an oriented silicon steel sheet - Google Patents

Method for forming an insulating coating on an oriented silicon steel sheet

Info

Publication number
CA1021672A
CA1021672A CA209,263A CA209263A CA1021672A CA 1021672 A CA1021672 A CA 1021672A CA 209263 A CA209263 A CA 209263A CA 1021672 A CA1021672 A CA 1021672A
Authority
CA
Canada
Prior art keywords
forming
steel sheet
insulating coating
silicon steel
oriented silicon
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
CA209,263A
Other languages
English (en)
French (fr)
Inventor
Hiroshi Shimanaka
Toshio Ichida
Shigeru Kobayashi
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
Application granted granted Critical
Publication of CA1021672A publication Critical patent/CA1021672A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • 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
    • 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
    • C23C22/05—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 using aqueous solutions
    • C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • C23C22/33—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also phosphates
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Insulating Bodies (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Soft Magnetic Materials (AREA)
CA209,263A 1973-11-17 1974-09-16 Method for forming an insulating coating on an oriented silicon steel sheet Expired CA1021672A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1021672A true CA1021672A (en) 1977-11-29

Family

ID=15010880

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209,263A Expired CA1021672A (en) 1973-11-17 1974-09-16 Method for forming an insulating coating on an oriented silicon steel sheet

Country Status (13)

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

Families Citing this family (76)

* 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
IT1115840B (it) * 1977-03-09 1986-02-10 Centro Speriment Metallurg Soluzione di rivestimenti per acciai per impieghi magnetici
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
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
US4713123A (en) 1985-02-22 1987-12-15 Kawasaki Steel Corporation Method of producing extra-low iron loss grain oriented silicon steel sheets
US4909864A (en) * 1986-09-16 1990-03-20 Kawasaki Steel Corp. Method of producing extra-low iron loss grain oriented silicon steel sheets
WO1998044517A1 (fr) * 1997-04-03 1998-10-08 Kawasaki Steel Corporation Tole d'acier au silicium unidirectionnel a perte ultra-faible dans le fer
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
JP5230194B2 (ja) 2005-05-23 2013-07-10 新日鐵住金株式会社 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
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
US9011585B2 (en) 2007-08-09 2015-04-21 Jfe Steel Corporation Treatment solution for insulation coating for grain-oriented electrical steel sheets
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
JP5073853B2 (ja) 2010-02-18 2012-11-14 新日本製鐵株式会社 無方向性電磁鋼板及びその製造方法
JP5077470B2 (ja) 2010-08-06 2012-11-21 Jfeスチール株式会社 方向性電磁鋼板
US9330839B2 (en) * 2010-08-06 2016-05-03 Jfe Steel Corporation Grain oriented electrical steel sheet and method for manufacturing the same
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
PL2773781T3 (pl) * 2011-11-04 2015-12-31 Tata Steel Uk Ltd Powlekana stal z orientacją ziaren
EP2799594B1 (en) * 2011-12-28 2018-10-31 JFE Steel Corporation Directional electromagnetic steel sheet with coating, and method for producing same
EP2878688B1 (en) 2012-07-26 2019-07-03 JFE Steel Corporation Method for producing grain-oriented electrical steel sheet
CN104471084B (zh) 2012-07-26 2016-06-29 杰富意钢铁株式会社 取向性电磁钢板的制造方法
US11440846B2 (en) * 2013-02-08 2022-09-13 Nippon Steel Corporation Solution for forming insulation coating and grain-oriented electrical steel sheet
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
JP5900705B2 (ja) 2014-01-31 2016-04-06 Jfeスチール株式会社 クロムフリー張力被膜用処理液、クロムフリー張力被膜の形成方法およびクロムフリー張力被膜付き方向性電磁鋼板の製造方法
BR112017020757B1 (pt) 2015-03-27 2022-11-01 Jfe Steel Corporation Métodos de fabricar uma chapa de aço elétrico de grão orientado com um revestimento isolante
KR102007108B1 (ko) 2015-03-27 2019-08-02 제이에프이 스틸 가부시키가이샤 절연 피막이 형성된 방향성 전기 강판 및 그 제조 방법
US11756713B2 (en) 2016-09-13 2023-09-12 Jfe Steel Corporation Grain-oriented magnetic steel sheets having chromium-free insulating tension coating, and methods for producing such steel sheets
KR101850133B1 (ko) 2016-10-26 2018-04-19 주식회사 포스코 방향성 전기강판용 소둔 분리제 조성물, 방향성 전기강판 및 방향성 전기강판의 제조방법
WO2018123339A1 (ja) 2016-12-28 2018-07-05 Jfeスチール株式会社 方向性電磁鋼板、変圧器の鉄心および変圧器ならびに変圧器の騒音の低減方法
WO2019106976A1 (ja) 2017-11-28 2019-06-06 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
WO2019155858A1 (ja) 2018-02-06 2019-08-15 Jfeスチール株式会社 絶縁被膜付き電磁鋼板およびその製造方法
WO2019188976A1 (ja) 2018-03-30 2019-10-03 Jfeスチール株式会社 方向性電磁鋼板の製造方法および連続成膜装置
MX2020012796A (es) 2018-05-30 2021-02-15 Jfe Steel Corp Lamina de acero electrico que tiene recubrimiento aislante, metodo para la produccion de la misma, nucleo de transformador y transformador que utilizan la lamina de acero electrico, y metodo para la reduccion de perdida dielectrica en transformador.
EP3831980A4 (en) 2018-07-31 2021-08-25 JFE Steel Corporation INSULATION COATING TREATMENT SOLUTION, AND ORIENTED GRAIN ELECTRIC STEEL SHEET INCLUDING AN INSULATING COATING FILM FIXED TO IT AND ITS MANUFACTURING PROCESS
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
CN112771203B (zh) 2018-09-28 2023-10-17 杰富意钢铁株式会社 无铬绝缘被膜形成用处理剂、带绝缘被膜的方向性电磁钢板及其制造方法
RU2769149C1 (ru) 2018-09-28 2022-03-28 ДжФЕ СТИЛ КОРПОРЕЙШН Способ изготовления листа из текстурированной электротехнической стали и стан холодной прокатки
EP4026930A4 (en) 2019-10-31 2022-10-26 JFE Steel Corporation ELECTROMAGNETIC STEEL SHEET WITH INSULATION COATING FILM
WO2021084951A1 (ja) 2019-10-31 2021-05-06 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
KR102921681B1 (ko) 2020-06-30 2026-02-03 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법
KR102835139B1 (ko) 2020-06-30 2025-07-17 제이에프이 스틸 가부시키가이샤 방향성 전기 강판의 제조 방법 및 설비열
WO2022004678A1 (ja) 2020-06-30 2022-01-06 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
JP7063422B1 (ja) 2020-10-21 2022-05-09 Jfeスチール株式会社 方向性電磁鋼板、方向性電磁鋼板の製造方法および方向性電磁鋼板の評価方法
WO2022163723A1 (ja) 2021-01-28 2022-08-04 Jfeスチール株式会社 方向性電磁鋼板の製造方法および電磁鋼板製造用圧延設備
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
JP7616242B2 (ja) 2021-06-30 2025-01-17 Jfeスチール株式会社 方向性電磁鋼板の製造方法及び方向性電磁鋼板製造用圧延設備
EP4353850A4 (en) 2021-06-30 2025-07-30 Jfe Steel Corp METHOD FOR MANUFACTURING ORIENTED ELECTROMAGNETIC STEEL SHEET AND ROLLING EQUIPMENT FOR MANUFACTURING ORIENTED ELECTROMAGNETIC STEEL SHEET
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
CN118369452A (zh) 2021-12-14 2024-07-19 杰富意钢铁株式会社 方向性电磁钢板及其制造方法
US20250116005A1 (en) 2022-01-21 2025-04-10 Jfe Steel Corporation Pre-treatment liquid and method for manufacturing electromagnetic steel sheet provided with insulating film
CN118871603A (zh) 2022-03-14 2024-10-29 杰富意钢铁株式会社 取向性电磁钢板及其制造方法
US20260035762A1 (en) 2022-08-22 2026-02-05 Jfe Steel Corporation Annealing facility, and method for manufacturing grain-oriented electromagnetic steel sheet
US20260062773A1 (en) 2022-08-24 2026-03-05 Jfe Steel Corporation Method for producing grain-oriented electrical steel sheet and hot-rolled sheet for grain-oriented electrical steel sheet
CN119731350A (zh) 2022-09-06 2025-03-28 杰富意钢铁株式会社 取向性电磁钢板的制造方法和感应加热装置
JP7786566B2 (ja) 2022-09-06 2025-12-16 Jfeスチール株式会社 方向性電磁鋼板の製造方法および誘導加熱装置
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
WO2024134962A1 (ja) 2022-12-20 2024-06-27 Jfeスチール株式会社 絶縁被膜付き電磁鋼板の製造方法
JP7838658B2 (ja) 2023-03-29 2026-04-01 Jfeスチール株式会社 方向性電磁鋼板の製造方法及び方向性電磁鋼板の製造設備列
CN121195086A (zh) 2023-05-26 2025-12-23 俄罗斯新利佩茨克冶金联合公司 用于电工钢的电绝缘涂料
JP7683832B1 (ja) 2023-06-29 2025-05-27 Jfeスチール株式会社 方向性電磁鋼板の製造方法および誘導加熱装置
KR20260023067A (ko) 2023-06-29 2026-02-20 제이에프이 스틸 가부시키가이샤 방향성 전자 강판의 제조 방법 및 유도 가열 장치
WO2025095089A1 (ja) 2023-11-01 2025-05-08 Jfeスチール株式会社 方向性電磁鋼板の製造方法および製造設備
EP4772655A1 (en) 2023-11-22 2026-07-08 JFE Steel Corporation Hot rolling method, method for producing grain-oriented electromagnetic steel sheet, and hot-rolled coil for grain-oriented electromagnetic steel sheet
JPWO2025115662A1 (enExample) 2023-11-29 2025-06-05
CN122270566A (zh) 2023-11-29 2026-06-23 杰富意钢铁株式会社 热轧方法、热轧钢卷的制造方法、方向性电磁钢板的制造方法和板坯加热设备
WO2025154576A1 (ja) 2024-01-15 2025-07-24 Jfeスチール株式会社 方向性電磁鋼板の冷間圧延方法および製造方法ならびに冷間圧延設備列
WO2025154575A1 (ja) 2024-01-15 2025-07-24 Jfeスチール株式会社 方向性電磁鋼板の冷間圧延方法および製造方法ならびに冷間圧延設備列

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL66964C (enExample) * 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

Also Published As

Publication number Publication date
DK148692C (da) 1986-02-10
NO743362L (enExample) 1975-06-16
FI57976B (fi) 1980-07-31
FI275074A7 (enExample) 1975-05-18
US3985583A (en) 1976-10-12
SE420109B (sv) 1981-09-14
DE2450850C3 (de) 1978-04-13
DK148692B (da) 1985-09-02
FR2251610A1 (enExample) 1975-06-13
FI57976C (fi) 1980-11-10
NO139971B (no) 1979-03-05
SE7411670L (enExample) 1975-05-20
IT1025703B (it) 1978-08-30
FR2251610B1 (enExample) 1979-03-16
GB1482546A (en) 1977-08-10
DE2450850A1 (de) 1975-05-22
NO139971C (no) 1979-06-13
JPS5079442A (enExample) 1975-06-27
DE2450850B2 (de) 1977-08-18
JPS5652117B2 (enExample) 1981-12-10
BE821596A (fr) 1975-02-17
BR7409439A (pt) 1976-05-18
DK546974A (enExample) 1975-07-21

Similar Documents

Publication Publication Date Title
CA986793A (en) Method for forming an insulating film on a grain oriented silicon steel sheet
CA1027511A (en) Process for coating aluminum or aluminum alloy
IT1025703B (it) Metodo per la formazione di un rivestimento isolante su una lamiera di acciaio al silicioorientata
CA1009768A (en) Method for forming silicon conductive layers
CA928592A (en) Method of forming electric insulating coating on the surface of silicon steel sheet
CA1022810A (en) Method for preparing haze-resistant lithium-silicate glare-reducing coating
CA996846A (en) Method of providing an aluminium coating on a steel substrate
CA958291A (en) Method for aluminum coating
AU476897B2 (en) A method for forming an insulating glass filmon oriented silicon steel sheets
CA1031290A (en) Process for coating aluminum or aluminum alloy
CA967823A (en) Method of providing an object of silicon steel with a heat-resistant, electrically insulating coating
CA968648A (en) Method for surface coating
CA983324A (en) Seaming method for sheet metal ducts
CA1028580A (en) Metallic coating method
AU471526B2 (en) A method for forming an insulating coating onan oriented silicon steel sheet
CA970258A (en) Method for coating aluminum while avoiding objectionable wastes
AU469858B2 (en) Method for coating surfaces
AU7473974A (en) A method for forming an insulating coating onan oriented silicon steel sheet
AU492704B2 (en) Method for forming a heat-resistant coating on an oriented silicon steel sheet
AU421168B2 (en) Method of forming electric insulating coaxing on the surface of silicon steel sheet
AU490266B2 (en) Method of providing an aluminium coating ona steel substrate
AU485369B2 (en) Coating apparatus
AU405680B2 (en) A reagent for forming an insulating coating onthe surface of electrical steel sheets
AU483825B2 (en) Process for coating aluminum or aluminum alloy
AU479000B2 (en) Process for coating aluminum or aluminum alloy