DE68925742T2 - Verfahren zum Behandeln von Elektrostahl durch elektrolytisches Ätzen und Elektrostahl mit permanenter Bereichsverfeinerung - Google Patents

Verfahren zum Behandeln von Elektrostahl durch elektrolytisches Ätzen und Elektrostahl mit permanenter Bereichsverfeinerung

Info

Publication number
DE68925742T2
DE68925742T2 DE68925742T DE68925742T DE68925742T2 DE 68925742 T2 DE68925742 T2 DE 68925742T2 DE 68925742 T DE68925742 T DE 68925742T DE 68925742 T DE68925742 T DE 68925742T DE 68925742 T2 DE68925742 T2 DE 68925742T2
Authority
DE
Germany
Prior art keywords
electrical steel
regions
electrolytic etching
base metal
treating
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
DE68925742T
Other languages
English (en)
Other versions
DE68925742D1 (de
Inventor
Wayne F Block
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 DE68925742D1 publication Critical patent/DE68925742D1/de
Application granted granted Critical
Publication of DE68925742T2 publication Critical patent/DE68925742T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H01F1/16—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 in the form of sheets
    • H01F1/18—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 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
    • 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
    • C21D8/1294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/14—Etching locally

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Electrochemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • ing And Chemical Polishing (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Paints Or Removers (AREA)
  • Soft Magnetic Materials (AREA)
DE68925742T 1988-03-25 1989-03-17 Verfahren zum Behandeln von Elektrostahl durch elektrolytisches Ätzen und Elektrostahl mit permanenter Bereichsverfeinerung Expired - Fee Related DE68925742T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17369688A 1988-03-25 1988-03-25

Publications (2)

Publication Number Publication Date
DE68925742D1 DE68925742D1 (de) 1996-04-04
DE68925742T2 true DE68925742T2 (de) 1996-07-11

Family

ID=22633117

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68925742T Expired - Fee Related DE68925742T2 (de) 1988-03-25 1989-03-17 Verfahren zum Behandeln von Elektrostahl durch elektrolytisches Ätzen und Elektrostahl mit permanenter Bereichsverfeinerung

Country Status (11)

Country Link
US (1) US5013373A (de)
EP (1) EP0334221B1 (de)
JP (1) JPH01279711A (de)
KR (1) KR970008160B1 (de)
AT (1) ATE134709T1 (de)
BR (1) BR8901321A (de)
CA (1) CA1335371C (de)
DE (1) DE68925742T2 (de)
ES (1) ES2083958T3 (de)
IN (1) IN171546B (de)
YU (1) YU46968B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2895670B2 (ja) * 1991-10-24 1999-05-24 川崎製鉄株式会社 鉄損の低い方向性電磁鋼板及びその製造方法
EP0985743B8 (de) * 1997-10-14 2009-08-05 Nippon Steel Corporation Verfahren zur erzeugung eines isolierenden films auf einem magnetstahlblech
KR100530814B1 (ko) 2002-03-04 2005-11-24 신닛뽄세이테쯔 카부시키카이샤 금속띠의 간접 통전식 연속 전해 에칭 방법 및 간접통전식 연속 전해 에칭장치
CN104011231A (zh) 2011-12-27 2014-08-27 杰富意钢铁株式会社 取向性电磁钢板的铁损改善装置
JP6172403B2 (ja) * 2015-07-28 2017-08-02 Ｊｆｅスチール株式会社 線状溝形成方法および線状溝形成装置
EP3399058A4 (de) * 2015-12-30 2018-11-14 Posco Verfahren zum verfeinern eines magnetischen bereichs eines kornorientierten elektrischen stahlblechs und vorrichtung dafür
CN110323044B (zh) * 2018-03-30 2021-02-19 宝山钢铁股份有限公司 一种耐热磁畴细化型取向硅钢及其制造方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1804208B1 (de) * 1968-10-17 1970-11-12 Mannesmann Ag Verfahren zur Herabsetzung der Wattverluste von kornorientierten Elektroblechen,insbesondere von Wuerfeltexturblechen
US3644185A (en) * 1969-11-10 1972-02-22 United States Steel Corp Method of improving magnetic permeability of cube-on-edge oriented silicon-iron sheet stock
JPS5423647B2 (de) * 1974-04-25 1979-08-15
JPS585968B2 (ja) * 1977-05-04 1983-02-02 新日本製鐵株式会社 超低鉄損一方向性電磁鋼板の製造方法
US4123337A (en) * 1977-11-02 1978-10-31 Armco Steel Corporation Method of improving the surface insulation resistance of electrical steels having an insulative coating thereon
JPS5518566A (en) * 1978-07-26 1980-02-08 Nippon Steel Corp Improving method for iron loss characteristic of directional electrical steel sheet
US4468551A (en) * 1982-07-30 1984-08-28 Armco Inc. Laser treatment of electrical steel and optical scanning assembly therefor
US4535218A (en) * 1982-10-20 1985-08-13 Westinghouse Electric Corp. Laser scribing apparatus and process for using
IT1182608B (it) * 1984-10-15 1987-10-05 Nippon Steel Corp Lamiera di acciaio elettrico a grana orientata avente una bassa perdita di potenza e metodo per la sua fabbricazione
JPS6286182A (ja) * 1985-10-14 1987-04-20 Nippon Steel Corp 一方向性電磁鋼帯の処理方法
GB2168626B (en) * 1984-11-10 1987-12-23 Nippon Steel Corp Grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same
JPS61210125A (ja) * 1985-03-14 1986-09-18 Nippon Steel Corp 磁気特性の極めてすぐれた方向性電磁鋼板の製造法
JP2694941B2 (ja) * 1985-05-02 1997-12-24 新日本製鐵株式会社 低鉄損一方向性電磁鋼板の製造方法
US4680062A (en) * 1985-12-02 1987-07-14 Allegheny Ludlum Corporation Method for reducing core losses of grain-oriented silicon steel using liquid jet scribing
JPH0657857B2 (ja) * 1986-08-06 1994-08-03 川崎製鉄株式会社 低鉄損方向性電磁鋼板の製造方法
JPS6376819A (ja) * 1986-09-18 1988-04-07 Kawasaki Steel Corp 低鉄損方向性電磁鋼板およびその製造方法
JPH0670256B2 (ja) * 1987-12-26 1994-09-07 川崎製鉄株式会社 歪取り焼鈍によって特性が劣化しない低鉄損方向性珪素鋼板の製造方法
JPH01191744A (ja) * 1988-01-26 1989-08-01 Nippon Steel Corp 低鉄損一方向性電磁鋼板の製造方法
JPH01211903A (ja) * 1988-02-19 1989-08-25 Nippon Steel Corp 圧延方向と直角方向の鉄損の低い一方向性電磁鋼板およびその製造方法

Also Published As

Publication number Publication date
YU46968B (sh) 1994-09-09
DE68925742D1 (de) 1996-04-04
BR8901321A (pt) 1989-11-07
YU60789A (en) 1990-10-31
US5013373A (en) 1991-05-07
ATE134709T1 (de) 1996-03-15
EP0334221A2 (de) 1989-09-27
EP0334221A3 (en) 1990-08-22
JPH01279711A (ja) 1989-11-10
CA1335371C (en) 1995-04-25
JPH0576526B2 (de) 1993-10-22
KR890014758A (ko) 1989-10-25
KR970008160B1 (ko) 1997-05-21
ES2083958T3 (es) 1996-05-01
EP0334221B1 (de) 1996-02-28
IN171546B (de) 1992-11-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee