BR9004444A - MAGNESIUM OXIDE COATING FOR ELECTRIC ACCES AND COATING PROCESS - Google Patents

MAGNESIUM OXIDE COATING FOR ELECTRIC ACCES AND COATING PROCESS

Info

Publication number
BR9004444A
BR9004444A BR909004444A BR9004444A BR9004444A BR 9004444 A BR9004444 A BR 9004444A BR 909004444 A BR909004444 A BR 909004444A BR 9004444 A BR9004444 A BR 9004444A BR 9004444 A BR9004444 A BR 9004444A
Authority
BR
Brazil
Prior art keywords
coating
acces
electric
magnesium oxide
coating process
Prior art date
Application number
BR909004444A
Other languages
Portuguese (pt)
Inventor
Wade S Wright
Robin A Murphy
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 BR9004444A publication Critical patent/BR9004444A/en

Links

Classifications

    • 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
    • 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
    • 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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Soft Magnetic Materials (AREA)
BR909004444A 1989-09-08 1990-09-06 MAGNESIUM OXIDE COATING FOR ELECTRIC ACCES AND COATING PROCESS BR9004444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40471489A 1989-09-08 1989-09-08

Publications (1)

Publication Number Publication Date
BR9004444A true BR9004444A (en) 1991-09-10

Family

ID=23600734

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909004444A BR9004444A (en) 1989-09-08 1990-09-06 MAGNESIUM OXIDE COATING FOR ELECTRIC ACCES AND COATING PROCESS

Country Status (6)

Country Link
EP (1) EP0416420B1 (en)
JP (1) JP2686455B2 (en)
KR (1) KR0173781B1 (en)
BR (1) BR9004444A (en)
CA (1) CA2024226C (en)
DE (1) DE69015060T2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2690841B2 (en) * 1992-09-18 1997-12-17 新日本製鐵株式会社 Annealing Separator for grain oriented electrical steel sheet for obtaining uniform high-strength glass coating and excellent magnetic properties
DE4409691A1 (en) * 1994-03-22 1995-09-28 Ebg Elektromagnet Werkstoffe Process for the production of electrical sheets with a glass coating
JP3475258B2 (en) * 1994-05-23 2003-12-08 株式会社海水化学研究所 Ceramic film forming agent and method for producing the same
KR100245032B1 (en) * 1994-11-16 2000-03-02 아사무라 타카싯 Process for producing directional sheet excellent in glass coating and magnetic properties
US5840131A (en) * 1994-11-16 1998-11-24 Nippon Steel Corporation Process for producing grain-oriented electrical steel sheet having excellent glass film and magnetic properties
DE19750066C1 (en) * 1997-11-12 1999-08-05 Ebg Elektromagnet Werkstoffe Process for coating electrical steel strips with an annealing separator
KR19990042456A (en) * 1997-11-26 1999-06-15 성재갑 Aerosol composition of hair treatment lotion and valve for injecting same
KR100435477B1 (en) * 1999-12-27 2004-06-10 주식회사 포스코 A method for manufacturing grain-oriented electrical steel sheet having no surface defects and superior punching property
DE102008039326A1 (en) 2008-08-22 2010-02-25 IWT Stiftung Institut für Werkstofftechnik Preparing electrically insulated electric sheet, to prepare laminated magnetic core, comprises coating one side of sheet using liquid mixture comprising hydrolyzed and condensed metal organic monomer, and heat treating coated sheet
CN102453793B (en) * 2010-10-25 2013-09-25 宝山钢铁股份有限公司 Annealing isolation agent used for preparing mirror surface-oriented silicon steel with excellent magnetic property
EP2814989A1 (en) 2012-02-13 2014-12-24 Solaronics S.A. Cooling of coated sheet metal strip
MX2022005191A (en) * 2019-10-31 2022-05-16 Jfe Steel Corp Grain-oriented electromagnetic steel sheet and method for manufacturing same.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231296B2 (en) * 1973-06-07 1977-08-13
US3841925A (en) * 1973-09-12 1974-10-15 Morton Norwich Products Inc Magnesium oxide steel coating composition and process
US4032366A (en) * 1975-05-23 1977-06-28 Allegheny Ludlum Industries, Inc. Grain-oriented silicon steel and processing therefor
BR7804962A (en) * 1977-08-04 1979-05-08 Armco Inc PROCESS TO STABILIZE VISCOSITY AND INCREASE THE CONCENTRATION OF Aqueous MAGNESIA PASTE
JPS5441220A (en) * 1977-09-09 1979-04-02 Nippon Steel Corp Manufacture of oriented electrical steel sheet with superior magnetic characteristics
JPS5466935A (en) * 1977-11-09 1979-05-29 Kawasaki Steel Co Method of forming forsterite insulating layer in directive silicon steel plate
JPS54128928A (en) * 1978-03-31 1979-10-05 Nippon Steel Corp Protective coating material for annealing of anisotropic silicon steel plate
JPS6096770A (en) * 1983-10-28 1985-05-30 Nippon Steel Corp Preparation of oriented electromagnetic steel plate excellent in iron loss
EP0305966B1 (en) * 1987-08-31 1992-11-04 Nippon Steel Corporation Method for producing grain-oriented electrical steel sheet having metallic luster and excellent punching property

Also Published As

Publication number Publication date
CA2024226C (en) 2000-02-15
EP0416420A3 (en) 1992-11-19
KR0173781B1 (en) 1999-02-18
CA2024226A1 (en) 1991-03-09
JP2686455B2 (en) 1997-12-08
DE69015060D1 (en) 1995-01-26
EP0416420B1 (en) 1994-12-14
EP0416420A2 (en) 1991-03-13
KR910006518A (en) 1991-04-29
DE69015060T2 (en) 1995-04-27
JPH03120376A (en) 1991-05-22

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Legal Events

Date Code Title Description
FB20 Grant procedure suspended (art. 20)
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 06/09/2010