BR8202252A - Processo de obtencao de um revestimento isolante diretamente sobre aco eletrico - Google Patents

Processo de obtencao de um revestimento isolante diretamente sobre aco eletrico

Info

Publication number
BR8202252A
BR8202252A BR8202252A BR8202252A BR8202252A BR 8202252 A BR8202252 A BR 8202252A BR 8202252 A BR8202252 A BR 8202252A BR 8202252 A BR8202252 A BR 8202252A BR 8202252 A BR8202252 A BR 8202252A
Authority
BR
Brazil
Prior art keywords
obtaining
insulating coating
electric steel
coating directly
directly
Prior art date
Application number
BR8202252A
Other languages
English (en)
Inventor
Machael Harris Haselkorn
Dannie S Loudermilk
Original Assignee
Armco Inc
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 Armco Inc filed Critical Armco Inc
Publication of BR8202252A publication Critical patent/BR8202252A/pt

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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Soft Magnetic Materials (AREA)
BR8202252A 1981-04-23 1982-04-19 Processo de obtencao de um revestimento isolante diretamente sobre aco eletrico BR8202252A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/256,856 US4347085A (en) 1981-04-23 1981-04-23 Insulative coatings for electrical steels

Publications (1)

Publication Number Publication Date
BR8202252A true BR8202252A (pt) 1983-04-05

Family

ID=22973877

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8202252A BR8202252A (pt) 1981-04-23 1982-04-19 Processo de obtencao de um revestimento isolante diretamente sobre aco eletrico

Country Status (12)

Country Link
US (1) US4347085A (pt)
JP (1) JPS57181103A (pt)
BE (1) BE892906A (pt)
BR (1) BR8202252A (pt)
CA (1) CA1168860A (pt)
DE (1) DE3214561A1 (pt)
ES (1) ES8304216A1 (pt)
FR (1) FR2504557A1 (pt)
GB (1) GB2097430A (pt)
IT (1) IT8267499A0 (pt)
SE (1) SE8202465L (pt)
YU (1) YU85882A (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4512823A (en) * 1982-09-22 1985-04-23 Calgon Corporation Barium or chromium additives to magnesium oxide coating slurry
US4548646A (en) * 1982-11-15 1985-10-22 Sermatech International Incorporated Thixotropic coating compositions and methods
DE3307158A1 (de) * 1983-03-01 1984-09-06 Hilti Ag, Schaan Verfahren zur aktivierung der phosphatschichtausbildung auf metallen und mittel zur durchfuehrung solcher verfahren
JPS60152681A (ja) * 1984-01-19 1985-08-10 Nippon Steel Corp 無方向性電磁鋼板の絶縁皮膜
US4647316A (en) * 1984-03-23 1987-03-03 Parker Chemical Company Metal base coating composition comprising chromium, silica and phosphate and process for coating metal therewith
CA1256003A (en) * 1984-03-23 1989-06-20 Parker Chemical Company Metal base coating composition comprising chromium, silica and phosphate and process for coating metal therewith
US4498936A (en) * 1984-05-21 1985-02-12 Armco Inc. Insulative coating composition for electrical steels
US4666535A (en) * 1986-04-15 1987-05-19 Allegheny Ludlum Corporation Method of producing low core losses in oriented silicon steels
CN1039915C (zh) * 1989-07-05 1998-09-23 新日本制铁株式会社 方向性电磁钢板上的绝缘皮膜成型方法
US5478413A (en) * 1994-12-27 1995-12-26 Sermatech International, Inc. Environmentally friendly coating compositions
US6150033A (en) * 1995-06-06 2000-11-21 Sermatech International, Inc. Environmentally friendly coating compositions, bonding solution, and coated parts
US5968240A (en) * 1997-08-19 1999-10-19 Sermatech International Inc. Phosphate bonding composition
US20030148019A1 (en) * 2001-11-19 2003-08-07 Hwang Byung Keun Compositions and methods for forming dielectric layers using a colloid
US6582530B1 (en) * 2002-09-05 2003-06-24 United Technologies Corporation Non-chromate protective coating for iron and iron alloys and coating solution
DE10329049A1 (de) * 2003-06-27 2005-01-13 Mtu Aero Engines Gmbh Verfahren zur Herstellung einer Schutzschicht, Schutzschicht, Verwendung derselben und Bauteil mit einer Schutzschicht
CN100567570C (zh) * 2006-08-31 2009-12-09 宝山钢铁股份有限公司 无铬环保的取向硅钢绝缘涂层
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
KR20140099923A (ko) * 2011-12-28 2014-08-13 제이에프이 스틸 가부시키가이샤 코팅 부착 방향성 전자 강판 및 그의 제조 방법
WO2015099355A1 (ko) * 2013-12-23 2015-07-02 주식회사 포스코 전기강판용 코팅제, 이의 제조방법 및 이를 사용한 전기강판 코팅방법
KR101632876B1 (ko) * 2013-12-23 2016-06-23 주식회사 포스코 전기강판용 코팅제, 이의 제조방법 및 이를 사용한 전기강판 코팅방법
CN104530782B (zh) * 2015-01-15 2017-02-22 上海迪升防腐新材料科技有限公司 一种磷酸盐涂层溶液及其制备方法
CN108659584B (zh) * 2018-05-08 2021-03-02 全球能源互联网研究院有限公司 一种超薄硅钢表面绝缘涂层及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207636A (en) * 1962-06-26 1965-09-21 Yawata Iron & Steel Co Method for coating silicon steel transformer sheets and composition
US3832245A (en) * 1971-06-14 1974-08-27 Asea Ab Method of manufacturing an object of silicon steel having low sulphur content
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
US3996073A (en) * 1974-10-11 1976-12-07 Armco Steel Corporation Insulative coating for electrical steels
US4179315A (en) * 1976-06-17 1979-12-18 Allegheny Ludlum Industries, Inc. Silicon steel and processing therefore
IT1115840B (it) * 1977-03-09 1986-02-10 Centro Speriment Metallurg Soluzione di rivestimenti per acciai per impieghi magnetici

Also Published As

Publication number Publication date
ES511595A0 (es) 1983-02-16
JPS57181103A (en) 1982-11-08
ES8304216A1 (es) 1983-02-16
YU85882A (en) 1985-12-31
US4347085A (en) 1982-08-31
BE892906A (fr) 1982-10-20
GB2097430A (en) 1982-11-03
DE3214561A1 (de) 1982-11-11
FR2504557A1 (fr) 1982-10-29
CA1168860A (en) 1984-06-12
SE8202465L (sv) 1982-10-24
IT8267499A0 (it) 1982-04-15

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