BR9004444A - Revestimento de oxido de magnesio para acos eletricos e processo de revestimento - Google Patents

Revestimento de oxido de magnesio para acos eletricos e processo de revestimento

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
English (en)
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/pt

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)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
BR909004444A 1989-09-08 1990-09-06 Revestimento de oxido de magnesio para acos eletricos e processo de revestimento BR9004444A (pt)

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 (pt) 1991-09-10

Family

ID=23600734

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909004444A BR9004444A (pt) 1989-09-08 1990-09-06 Revestimento de oxido de magnesio para acos eletricos e processo de revestimento

Country Status (6)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2690841B2 (ja) * 1992-09-18 1997-12-17 新日本製鐵株式会社 均一な高張力グラス被膜と優れた磁気特性を得るための方向性電磁鋼板用焼鈍分離剤
DE4409691A1 (de) * 1994-03-22 1995-09-28 Ebg Elektromagnet Werkstoffe Verfahren zur Herstellung von Elektroblechen mit einem Glasüberzug
JP3475258B2 (ja) * 1994-05-23 2003-12-08 株式会社海水化学研究所 セラミック被膜形成剤およびその製造方法
KR100245032B1 (ko) * 1994-11-16 2000-03-02 아사무라 타카싯 유리 피막과 자기 특성이 뛰어난 방향성 전자기 강판의 제조방법
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 (de) * 1997-11-12 1999-08-05 Ebg Elektromagnet Werkstoffe Verfahren zum Beschichten von Elektrostahlbändern mit einem Glühseparator
KR19990042456A (ko) * 1997-11-26 1999-06-15 성재갑 헤어트리트먼트 로션의 에어로졸 조성물 및 이를 분사하는 밸브
KR100435477B1 (ko) * 1999-12-27 2004-06-10 주식회사 포스코 표면결함이 없고 타발특성이 우수한 방향성 전기강판의제조방법
DE102008039326A1 (de) 2008-08-22 2010-02-25 IWT Stiftung Institut für Werkstofftechnik Verfahren zum elektrischen Isolieren von Elektroblech, elektrisch isoliertes Elektroblech, lamellierter magnetischer Kern mit dem Elektroblech und Verfahren zum Herstellen eines lamellierten magnetischen Kerns
CN102453793B (zh) * 2010-10-25 2013-09-25 宝山钢铁股份有限公司 用于具有优良磁性能的镜面取向硅钢制备的退火隔离剂
EP2814989A1 (en) 2012-02-13 2014-12-24 Solaronics S.A. Cooling of coated sheet metal strip
CN114466940B (zh) * 2019-10-31 2023-07-18 杰富意钢铁株式会社 取向性电磁钢板及其制造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231296B2 (ja) * 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 (pt) * 1977-08-04 1979-05-08 Armco Inc Processo para estabilizar a viscosidade e aumentar a concentracao de pasta aquosa de magnesia
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 (ja) * 1983-10-28 1985-05-30 Nippon Steel Corp 鉄損の優れた方向性電磁鋼板の製造方法
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
KR0173781B1 (ko) 1999-02-18
CA2024226C (en) 2000-02-15
JP2686455B2 (ja) 1997-12-08
EP0416420B1 (en) 1994-12-14
DE69015060T2 (de) 1995-04-27
EP0416420A2 (en) 1991-03-13
CA2024226A1 (en) 1991-03-09
JPH03120376A (ja) 1991-05-22
DE69015060D1 (de) 1995-01-26
EP0416420A3 (en) 1992-11-19
KR910006518A (ko) 1991-04-29

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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