EP1194600B1 - Verfahren zum herstellen von nichtkornorientiertem elektroblech - Google Patents

Verfahren zum herstellen von nichtkornorientiertem elektroblech Download PDF

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Publication number
EP1194600B1
EP1194600B1 EP00922652A EP00922652A EP1194600B1 EP 1194600 B1 EP1194600 B1 EP 1194600B1 EP 00922652 A EP00922652 A EP 00922652A EP 00922652 A EP00922652 A EP 00922652A EP 1194600 B1 EP1194600 B1 EP 1194600B1
Authority
EP
European Patent Office
Prior art keywords
temperature
weight
content
strip
thickness
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 - Lifetime
Application number
EP00922652A
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German (de)
English (en)
French (fr)
Other versions
EP1194600A2 (de
Inventor
Thomas Böhm
Jürgen Schneider
Karl Telger
Carl-Dieter Wuppermann
Rudolf Kawalla
Karl Ernst Friedrich
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.)
ThyssenKrupp Steel Europe AG
ThyssenKrupp Electrical Steel GmbH
Original Assignee
ThyssenKrupp Electrical Steel EBG GmbH
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 ThyssenKrupp Electrical Steel EBG GmbH filed Critical ThyssenKrupp Electrical Steel EBG GmbH
Publication of EP1194600A2 publication Critical patent/EP1194600A2/de
Application granted granted Critical
Publication of EP1194600B1 publication Critical patent/EP1194600B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
    • 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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1222—Hot rolling
    • 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
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling
    • 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
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—Final recrystallisation annealing

Definitions

  • non-grain oriented electrical steel sheet is understood to mean a steel sheet or a sheet steel strip which, regardless of its texture, falls under the sheets mentioned in DIN EN 10106 whose loss anisotropy does not exceed the maximum values specified in DIN EN 10106.
  • electrical steel and “electrical steel” are used interchangeably here.
  • J2500” and “J5000” designate the magnetic polarization at a magnetic field strength of 2500 A / m and 5000 A / m, respectively.
  • P 1.5 is understood to mean the loss of magnetization reversal at a polarization of 1.5 T and a frequency of 50 Hz.
  • Non-grain-oriented electrical sheets for To provide their magnetic Polarization values compared to conventional sheets are raised. This is especially true for the area Applications in which the induction of electrical Fields plays a special role. By the increase the magnetic polarization becomes the Reduced magnetization requirement. Go with it also the copper losses back, which is a significant Share in the operation of electrical machines have losses incurred. The economic value Non-grain oriented electrical sheets with increased Permeability is therefore significant.
  • Non-grain oriented Electrical sheet metal not only affects Non-grain oriented electrical sheets with high losses (P1.5 ⁇ 5 - 6 W / kg), but also sheets with medium (3.5 W / kg ⁇ P1.5 ⁇ 5.5 W / kg) and low losses (P1.5 ⁇ 3.5). Therefore one strives, the entire spectrum the weak, medium and highly silicated Electrotechnical steels with regard to their magnetic To improve properties. They own the Electro sheet grades with Si contents of up to 2.5% by mass Si a special one in view of its market potential Importance.
  • the tape produced according to the known method has a special cube texture, a particularly high one magnetic polarization of more than 1.7 T at one Field strength J2500 from 2500 A / m and low Re-magnetization losses on.
  • this one is Success to the specified, special composition bound.
  • This applies in particular to the Mn content, for which has surprisingly turned out to be the Setting the desired cube texture required is.
  • to maintain a certain ratio of Si and Al contents by which the characteristics of the concerned Electro sheet is decisively influenced.
  • This one Requirements not for the entire interest here The product range can be fulfilled in the EP 0 431 502 A2 described in each case only for Production of such sheets, the particularly high Requirements are made.
  • EP 0 434 641 A2 discloses a method for making a semi-finished Non-grain oriented steel sheet known. According to the known method is made of a steel which is 0.002 0.01% C, 0.2-2.0% Si, 0.001-0.1% S, 0.001-0.006 % N, 0.2-0.5% Al, 0.2-0.8% Mn, a slab cast. This slab is subjected to a heat treatment 1100 ° C to 1200 ° C and then finished hot rolled, the final rolling temperature between 830 ° c and 950 ° C.
  • the hot strip is a Subjected to annealing treatment, which lasts for 30 to 120 Seconds to a temperature that is between 880 ° C and 1030 ° C is located.
  • the annealed hot strip is then cold rolled without intermediate annealing, in the course of the Cold Rolling a Thickness Reduction of 70% to 85% is achieved.
  • the cold-rolled band a recrystallization annealing at temperatures of 620 ° C to 700 ° C for 30 to 120 seconds subjected.
  • EP 0 263 413 A2 discloses a method for Manufacture of final annealed non-grain oriented Electrical sheet, in which at a temperature above 1150 ° C.
  • preheating the for producing the sheets used slabs is omitted by a in terms of their Al and Si content exactly matched Steel alloy is used.
  • a hot strip annealing is in EP 0 263 413 A2 not described, so that can be assumed that for this Step usually incurred costs do not arise this known method.
  • the cooling carried out starting from the rolling end temperature can take place in air or with the assistance of water.
  • the reference thickness d 0 is understood to mean the thickness of a sample on which the respective cooling factor has been determined.
  • the slab before the final warming in several stitches to a thickness of 20 - 65 mm vorzuwalzen.
  • the subsequent Finish rolling to a strip thickness of ⁇ 3.5 mm too achieve low degrees of deformation, whereby the Training excellent magnetic properties of the Electro sheet is favored. It is cheap in this
  • the single-copy decrease in the Pre-rolling the slab is not more than 25%. Also This favors the production of an electric sheet with especially good magnetic properties.
  • Another Improvement can be achieved in that the Pre-rolling takes place in at least four stitches. Through this Measure will be the emergence of one regarding the desired high magnetic polarization favorable Structure additionally promoted.
  • the invention makes it possible, through a targeted Tuning of the individual process steps, in particular by matching the preheat temperature in Dependence on the Si and Al content of the steel and the Tuning of reel temperature depending on respective cooling behavior and the rolling end temperature, improved in terms of their magnetic properties To produce electrical panels, without that one Hot strip annealing must be performed. That's the way to go in accordance with the method of the invention starting from a Steel materials of conventional composition in one Process way produce electrical panels, which the their magnetic properties put increased Meet requirements.
  • An essential aspect of the invention consists in how mentioned, in the choice of reel temperature, the according to the invention for this purpose is to be set.
  • the thus determined reel temperature is one on the respective final rolling temperature matched homogenization of the structure in the material.
  • This causes a Improvement of the properties of the invention produced electrical sheets in relation to the Magnetic losses and the magnetic Polarization.
  • Special importance has in this Related also the above rule for the design of the area of final finish temperature.
  • the final rolling temperatures are chosen to be fall within the range described by this rule, so are reel temperature and finish rolling temperature in optimized way matched.
  • the final annealing required for the production of finally annealed "fully-finished" electrical sheet is preferably carried out in the continuous furnace according to the invention.
  • the final annealing is expediently carried out at a final annealing temperature ⁇ 780 ° C.
  • the invention is based on Embodiments explained in more detail.
  • the single FIGURE shows a flow chart of the in the inventive production of electrical sheets completed production steps.
  • slabs are made of a steel made of certain composition.
  • the concerned Compositions are shown in Tables 1 and 2 for the Examples of electrical sheets 1 to 8 indicated.
  • the slabs are then reheated to a reheating temperature T ZBR of up to 1250 ° C.
  • T ZBR reheating temperature
  • the thus reheated slab is pre-rolled to a thickness of 20-65 mm in several passes, in which the single-stitch decrease is not more than 25%, and introduced into a finishing roll at an inlet temperature T AT of at most 1100 ° C. In this it is rolled in several passes to a hot strip with a thickness of ⁇ 3.5 mm, the degrees of deformation decrease with increasing number of stitches in the range of 50% to 5%.
  • the reference thickness d 0 of the hot strip was 3 mm in the examples, while the actually existing thickness d of the hot rolled strip varied between 2.75 and 3.1 mm.
  • the cooling factor ⁇ ranged from 0.7 s -1 to 1.3 s -1 .
  • the time t between the end of the hot rolling and the reeling was between 10 to 25 and 8 to 30 seconds.
  • the final rolling temperature T ET present at the end of the finishing roll scale and the reel temperature T HT actually achieved in each case are likewise indicated in Tables 1 and 2 for the individual examples.
  • the hot strip undergoes a pickle without being subjected to hot strip annealing and is cold rolled after pickling in several passes to a cold strip having a thickness of 0.2-1 mm at a maximum degree of strain of 85% maximum. Finally, the electric sheets are finally annealed in a continuous furnace.
  • the maximum temperature T SG achieved in each case is also indicated in Tables 1 and 2.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Organic Insulating Materials (AREA)
EP00922652A 1999-04-23 2000-04-19 Verfahren zum herstellen von nichtkornorientiertem elektroblech Expired - Lifetime EP1194600B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19918484 1999-04-23
DE19918484A DE19918484C2 (de) 1999-04-23 1999-04-23 Verfahren zum Herstellen von nichtkornorientiertem Elektroblech
PCT/EP2000/003558 WO2000065103A2 (de) 1999-04-23 2000-04-19 Verfahren zum herstellen von nichtkornorientiertem elektroblech

Publications (2)

Publication Number Publication Date
EP1194600A2 EP1194600A2 (de) 2002-04-10
EP1194600B1 true EP1194600B1 (de) 2003-06-25

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ID=7905631

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EP00922652A Expired - Lifetime EP1194600B1 (de) 1999-04-23 2000-04-19 Verfahren zum herstellen von nichtkornorientiertem elektroblech

Country Status (13)

Country Link
US (1) US6582528B1 (es)
EP (1) EP1194600B1 (es)
JP (2) JP2002543274A (es)
KR (1) KR100702242B1 (es)
AT (1) ATE243771T1 (es)
AU (1) AU4296900A (es)
BR (1) BR0009990A (es)
CA (1) CA2367602A1 (es)
DE (2) DE19918484C2 (es)
ES (1) ES2200866T3 (es)
MX (1) MXPA01010684A (es)
PL (1) PL194747B1 (es)
WO (1) WO2000065103A2 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021115174A1 (de) 2021-06-11 2021-11-11 Technische Universität Bergakademie Freiberg, Körperschaft des öffentlichen Rechts Verfahren zur Herstellung eines höherpermeablen, nichtkornorientierten Elektrobleches und dessen Verwendung

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4303431B2 (ja) * 2000-12-11 2009-07-29 新日本製鐵株式会社 超高磁束密度無方向性電磁鋼板およびその製造方法
DE10150642A1 (de) * 2001-10-12 2003-04-30 Thyssenkrupp Stahl Ag Verfahren zum Herstellen von nicht kornorientierten Elektroblechen
DE10153234A1 (de) * 2001-10-31 2003-05-22 Thyssenkrupp Stahl Ag Für die Herstellung von nichtkornorientiertem Elektroblech bestimmtes, warmgewalztes Stahlband und Verfahren zu seiner Herstellung
DE10156059A1 (de) * 2001-11-16 2003-05-28 Thyssenkrupp Electrical Steel Ebg Gmbh Verfahren zur Herstellung von nichtkornorientiertem Elektroblech
CN101096724B (zh) * 2006-06-28 2010-05-12 宝山钢铁股份有限公司 具有优异电磁性能的电磁钢及其制造方法
CN103305748A (zh) 2012-03-15 2013-09-18 宝山钢铁股份有限公司 一种无取向电工钢板及其制造方法
WO2014019964A1 (en) * 2012-07-30 2014-02-06 Tata Steel Nederland Technology Bv A method for producing a high strength strip steel with a good deep drawability and a high strength steel produced thereby
CR20170156A (es) 2014-10-20 2017-09-22 Arcelormittal Método de producción de hojalata conteniendo una lámina de acero de silicio de grano no orientado, lámina de acero obtenida y uso de esta.
WO2016079565A1 (en) 2014-11-18 2016-05-26 Arcelormittal Method for manufacturing a high strength steel product and steel product thereby obtained
JP6020863B2 (ja) * 2015-01-07 2016-11-02 Ｊｆｅスチール株式会社 無方向性電磁鋼板およびその製造方法
DE102017208146B4 (de) * 2017-05-15 2019-06-19 Thyssenkrupp Ag NO-Elektroband für E-Motoren
CN107460409B (zh) * 2017-07-05 2019-10-18 邢台钢铁有限责任公司 一种汽车发电机极爪用高Al电工钢方坯及其生产方法
KR101977510B1 (ko) * 2017-12-26 2019-08-28 주식회사 포스코 자기적 특성이 우수하고, 두께 편차가 작은 무방향성 전기강판 및 그 제조방법
KR102043525B1 (ko) * 2017-12-26 2019-11-12 주식회사 포스코 자기적 특성 및 형상이 우수한 박물 무방향성 전기강판 및 그 제조방법
KR102045655B1 (ko) * 2017-12-26 2019-12-05 주식회사 포스코 자기적 특성 및 형상이 우수한 박물 무방향성 전기강판 및 그 제조방법
KR102045653B1 (ko) * 2017-12-26 2019-11-15 주식회사 포스코 재질과 두께의 편차가 작은 무방향성 전기강판 및 그 제조방법
DE102018201622A1 (de) 2018-02-02 2019-08-08 Thyssenkrupp Ag Nachglühfähiges, aber nicht nachglühpflichtiges Elektroband
DE102018201618A1 (de) 2018-02-02 2019-08-08 Thyssenkrupp Ag Nachglühfähiges, aber nicht nachglühpflichtiges Elektroband
WO2020094230A1 (de) 2018-11-08 2020-05-14 Thyssenkrupp Steel Europe Ag Elektroband oder -blech für höherfrequente elektromotoranwendungen mit verbesserter polarisation und geringen ummagnetisierungsverlusten
DE102019217491A1 (de) 2019-08-30 2021-03-04 Sms Group Gmbh Verfahren zur Herstellung eines kaltgewalzten Si-legierten Elektrobandes mit einer Kaltbanddicke dkb < 1 mm aus einem Stahlvorprodukt
DE102019216240A1 (de) * 2019-10-22 2021-04-22 Muhr Und Bender Kg Verfahren und Vorrichtung zur Herstellung eines nicht-kornorientierten Elektrobands
DE102022129242A1 (de) 2022-11-04 2024-05-08 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines nicht kornorientierten Elektrobands

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819426A (en) * 1972-07-31 1974-06-25 Nat Steel Corp Process for producing non-silicon bearing electrical steel
AT339940B (de) * 1973-11-05 1977-11-10 Voest Ag Verfahren zur herstellung von kaltgewalzten, siliziumlegierten elektroblechen
US4046602A (en) * 1976-04-15 1977-09-06 United States Steel Corporation Process for producing nonoriented silicon sheet steel having excellent magnetic properties in the rolling direction
US4306922A (en) * 1979-09-07 1981-12-22 British Steel Corporation Electro magnetic steels
JPS6254023A (ja) * 1985-08-31 1987-03-09 Nippon Steel Corp 高級無方向性電磁鋼板用熱延板の製造方法
JPS6383226A (ja) * 1986-09-29 1988-04-13 Nkk Corp 板厚精度および磁気特性が極めて均一な無方向性電磁鋼板およびその製造方法
JP2510640B2 (ja) * 1987-03-11 1996-06-26 新日本製鐵株式会社 高抗張力無方向性電磁鋼板の製造方法
JPH07116509B2 (ja) * 1989-02-21 1995-12-13 日本鋼管株式会社 無方向性電磁鋼板の製造方法
JPH07116507B2 (ja) * 1989-02-23 1995-12-13 日本鋼管株式会社 無方向性電磁鋼板の製造方法
DD299102A7 (de) * 1989-12-06 1992-04-02 ������@����������@��������@��������@��@��������k�� Verfahren zur herstellung von nichtorientiertem elektroblech
IT1237481B (it) * 1989-12-22 1993-06-07 Sviluppo Materiali Spa Procedimento per la prodizione di lamierino magnetico semifinito a grano non orientato.
JPH03232924A (ja) * 1990-02-08 1991-10-16 Nippon Steel Corp 直送圧延による無方向性電磁鋼板の製造方法
FR2665181B1 (fr) * 1990-07-30 1994-05-27 Ugine Aciers Procede de fabrication de tole d'acier magnetique a grains non orientes et tole obtenue par ce procede.
US5354389A (en) * 1991-07-29 1994-10-11 Nkk Corporation Method of manufacturing silicon steel sheet having grains precisely arranged in Goss orientation
JPH06279859A (ja) * 1993-03-29 1994-10-04 Nkk Corp 鉄損および磁束密度が極めて優れた無方向性電磁鋼板の製造方法
JP2874564B2 (ja) * 1994-08-23 1999-03-24 住友金属工業株式会社 磁気特性の優れた無方向性電磁鋼板の製造方法
JPH10245628A (ja) * 1997-03-04 1998-09-14 Nkk Corp 磁気異方性の小さな低級電磁鋼板の製造方法及び磁気異方性の小さな低級電磁鋼板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021115174A1 (de) 2021-06-11 2021-11-11 Technische Universität Bergakademie Freiberg, Körperschaft des öffentlichen Rechts Verfahren zur Herstellung eines höherpermeablen, nichtkornorientierten Elektrobleches und dessen Verwendung

Also Published As

Publication number Publication date
PL194747B1 (pl) 2007-06-29
EP1194600A2 (de) 2002-04-10
ES2200866T3 (es) 2004-03-16
US6582528B1 (en) 2003-06-24
WO2000065103A3 (de) 2001-04-05
KR20020006039A (ko) 2002-01-18
DE19918484A1 (de) 2000-10-26
JP2002543274A (ja) 2002-12-17
AU4296900A (en) 2000-11-10
ATE243771T1 (de) 2003-07-15
DE50002662D1 (de) 2003-07-31
CA2367602A1 (en) 2000-11-02
DE19918484C2 (de) 2002-04-04
KR100702242B1 (ko) 2007-04-03
WO2000065103A2 (de) 2000-11-02
BR0009990A (pt) 2002-01-08
MXPA01010684A (es) 2003-08-20
PL360057A1 (en) 2004-09-06
JP2009185386A (ja) 2009-08-20

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