ZA835031B - Laser treatment of electrical steel - Google Patents

Laser treatment of electrical steel

Info

Publication number
ZA835031B
ZA835031B ZA835031A ZA835031A ZA835031B ZA 835031 B ZA835031 B ZA 835031B ZA 835031 A ZA835031 A ZA 835031A ZA 835031 A ZA835031 A ZA 835031A ZA 835031 B ZA835031 B ZA 835031B
Authority
ZA
South Africa
Prior art keywords
electrical steel
laser treatment
laser
treatment
steel
Prior art date
Application number
ZA835031A
Other languages
English (en)
Inventor
Gary L Neiheisel
Jerry W Schoen
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23596753&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA835031(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Armco Inc filed Critical Armco Inc
Publication of ZA835031B publication Critical patent/ZA835031B/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/14Magnets 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
    • H01F1/16Magnets 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
    • H01F1/18Magnets 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/082Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • B23K26/0821Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head using multifaceted mirrors, e.g. polygonal mirror
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/083Devices involving movement of the workpiece in at least one axial direction
    • B23K26/0838Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt
    • B23K26/0846Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt for moving elongated workpieces longitudinally, e.g. wire or strip material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1294Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/02Iron or ferrous alloys
    • B23K2103/04Steel or steel alloys
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00Metal treatment
    • Y10S148/902Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/903Directly treated with high energy electromagnetic waves or particles, e.g. laser, electron beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
ZA835031A 1982-07-30 1983-07-11 Laser treatment of electrical steel ZA835031B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/403,714 US4456812A (en) 1982-07-30 1982-07-30 Laser treatment of electrical steel

Publications (1)

Publication Number Publication Date
ZA835031B true ZA835031B (en) 1984-04-25

Family

ID=23596753

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA835031A ZA835031B (en) 1982-07-30 1983-07-11 Laser treatment of electrical steel

Country Status (10)

Country Link
US (1) US4456812A (xx)
EP (1) EP0100638B1 (xx)
JP (1) JPS5933802A (xx)
AU (1) AU572462B2 (xx)
BR (1) BR8304029A (xx)
CA (1) CA1202550A (xx)
CZ (1) CZ279229B6 (xx)
DE (1) DE3379245D1 (xx)
ES (1) ES8405445A1 (xx)
ZA (1) ZA835031B (xx)

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JP2004220670A (ja) * 2003-01-14 2004-08-05 Hitachi Ltd 磁化容易軸の向きが揃ったナノ粒子膜の作成方法とこれを用いた磁気記録媒体及びその製造方法及びその製造装置
WO2004083465A1 (ja) * 2003-03-19 2004-09-30 Nippon Steel Corporation 磁気特性の優れた方向性電磁鋼板とその製造方法
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US7273998B2 (en) * 2004-09-15 2007-09-25 General Electric Company System and method for monitoring laser shock processing
KR101234452B1 (ko) * 2008-02-19 2013-02-18 신닛테츠스미킨 카부시키카이샤 저철손 일방향성 전자기 강판 및 그 제조 방법
IT1394891B1 (it) * 2008-07-25 2012-07-20 Matteo Baistrocchi Impianto di scribing laser per il trattamento superficiale di lamierini magnetici con spot a sezione ellittica
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WO2013099272A1 (ja) 2011-12-28 2013-07-04 Jfeスチール株式会社 方向性電磁鋼板およびその製造方法
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KR101881708B1 (ko) 2014-07-03 2018-07-24 신닛테츠스미킨 카부시키카이샤 레이저 가공 장치
EP3165614B1 (en) 2014-07-03 2023-05-10 Nippon Steel Corporation Use of a laser processing apparatus and method for manufacturing a grain- oriented electromagnetic steel sheet
DE102015114358B4 (de) 2015-08-28 2017-04-13 Thyssenkrupp Electrical Steel Gmbh Verfahren zum Herstellen eines kornorientierten Elektrobands und kornorientiertes Elektroband
KR102148383B1 (ko) * 2016-01-22 2020-08-26 주식회사 포스코 방향성 전기강판의 자구미세화 방법과 그 장치
CN108781029B (zh) * 2016-03-28 2020-11-03 爱信艾达株式会社 转子的制造方法
RU2624998C1 (ru) * 2016-06-24 2017-07-11 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") Способ лазерной обработки неметаллических пластин
RU2646177C1 (ru) * 2017-02-03 2018-03-01 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") Способ лазерной обработки неметаллических материалов
CN108660295A (zh) * 2017-03-27 2018-10-16 宝山钢铁股份有限公司 一种低铁损取向硅钢及其制造方法
CN113172325B (zh) * 2021-05-21 2022-05-13 重庆科技学院 一种电子封装用电磁脉冲焊接工艺及设备
EP4273280A1 (en) 2022-05-04 2023-11-08 Thyssenkrupp Electrical Steel Gmbh Method for producing a grain-oriented electrical steel strip and grain-oriented electrical steel strip

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Also Published As

Publication number Publication date
EP0100638A2 (en) 1984-02-15
AU1648783A (en) 1984-02-02
CZ568983A3 (en) 1994-05-18
CZ279229B6 (cs) 1995-02-15
US4456812A (en) 1984-06-26
DE3379245D1 (en) 1989-03-30
EP0100638A3 (en) 1986-04-23
ES524560A0 (es) 1984-06-01
JPS5933802A (ja) 1984-02-23
AU572462B2 (en) 1988-05-12
ES8405445A1 (es) 1984-06-01
CA1202550A (en) 1986-04-01
BR8304029A (pt) 1984-03-07
JPH0532881B2 (xx) 1993-05-18
EP0100638B1 (en) 1989-02-22

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