CA2024226C - Enduit d'oxyde de magnesium pour aciers electriques et methode d'enduction - Google Patents

Enduit d'oxyde de magnesium pour aciers electriques et methode d'enduction Download PDF

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Publication number
CA2024226C
CA2024226C CA002024226A CA2024226A CA2024226C CA 2024226 C CA2024226 C CA 2024226C CA 002024226 A CA002024226 A CA 002024226A CA 2024226 A CA2024226 A CA 2024226A CA 2024226 C CA2024226 C CA 2024226C
Authority
CA
Canada
Prior art keywords
weight
magnesia
chlorine
slurry
chloride
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 - Fee Related
Application number
CA002024226A
Other languages
English (en)
Other versions
CA2024226A1 (fr
Inventor
Wade S. Wright
Robin A. Murphy
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.)
Armco Inc
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 CA2024226A1 publication Critical patent/CA2024226A1/fr
Application granted granted Critical
Publication of CA2024226C publication Critical patent/CA2024226C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys 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)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
CA002024226A 1989-09-08 1990-08-29 Enduit d'oxyde de magnesium pour aciers electriques et methode d'enduction Expired - Fee Related CA2024226C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40471489A 1989-09-08 1989-09-08
US07/404,714 1989-09-08

Publications (2)

Publication Number Publication Date
CA2024226A1 CA2024226A1 (fr) 1991-03-09
CA2024226C true CA2024226C (fr) 2000-02-15

Family

ID=23600734

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002024226A Expired - Fee Related CA2024226C (fr) 1989-09-08 1990-08-29 Enduit d'oxyde de magnesium pour aciers electriques et methode d'enduction

Country Status (6)

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

Families Citing this family (14)

* 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
DE69515892T3 (de) * 1994-11-16 2005-10-20 Nippon Steel Corp. Verfahren zur herstellung eines elektrisch direktionalen bleches mit guter glasbeschichtbarkeit und hervorragenden magnetischen eigenschaften
KR100245032B1 (ko) * 1994-11-16 2000-03-02 아사무라 타카싯 유리 피막과 자기 특성이 뛰어난 방향성 전자기 강판의 제조방법
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 (fr) 2012-02-13 2014-12-24 Solaronics S.A. Refroidissement de bande de tôle métallique revêtue
JP7268724B2 (ja) 2019-10-31 2023-05-08 Ｊｆｅスチール株式会社 方向性電磁鋼板とその製造方法
CN116574879B (zh) * 2023-04-27 2026-04-24 上海实业振泰化工有限公司 一种适用于HiB硅钢的液体添加剂及其制备方法
CN116555542B (zh) * 2023-04-27 2026-03-27 上海实业振泰化工有限公司 一种硅钢用复合固态添加剂及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231296B2 (fr) * 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
JPS5466935A (en) * 1977-11-09 1979-05-29 Kawasaki Steel Co Method of forming forsterite insulating layer in directive silicon steel plate
EP0305966B1 (fr) * 1987-08-31 1992-11-04 Nippon Steel Corporation Procédé de fabrication de tôles d'acier de qualité électrique à orientation de grains, à surface brillante métallique et apte à l'estampage

Also Published As

Publication number Publication date
DE69015060D1 (de) 1995-01-26
DE69015060T2 (de) 1995-04-27
CA2024226A1 (fr) 1991-03-09
KR0173781B1 (ko) 1999-02-18
KR910006518A (ko) 1991-04-29
EP0416420A2 (fr) 1991-03-13
BR9004444A (pt) 1991-09-10
EP0416420B1 (fr) 1994-12-14
JPH03120376A (ja) 1991-05-22
EP0416420A3 (en) 1992-11-19
JP2686455B2 (ja) 1997-12-08

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