SE465129B - Kornorienterad staaltunnplaat foer elektriska aendamaal med laag wattfoerlust efter avspaenningsgloedgning samt foerfarande foer framstaellning av plaaten - Google Patents

Kornorienterad staaltunnplaat foer elektriska aendamaal med laag wattfoerlust efter avspaenningsgloedgning samt foerfarande foer framstaellning av plaaten

Info

Publication number: SE465129B
Authority: SE; Sweden
Prior art keywords: steel sheet; grain; electrical purposes; oriented steel; oriented
Prior art date: 1984-11-10

Application number

SE8505295A

Other languages

English (en)

Swedish (sv)

Other versions

SE8505295D0 (sv

SE8505295L (sv

Inventor

H Kobayashi

M Nakamura

K Hirose

T Tsukada

H Yamashita

Original Assignee

Nippon Steel Corp

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.)

1984-11-10

Filing date

1985-11-08

Publication date

1991-07-29

1984-11-10 Priority claimed from JP23697384A external-priority patent/JPS61117284A/ja

1985-10-14 Priority claimed from JP60226953A external-priority patent/JPS6286175A/ja

1985-10-14 Priority claimed from JP22695485A external-priority patent/JPS6286182A/ja

1985-11-08 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

1985-11-08 Publication of SE8505295D0 publication Critical patent/SE8505295D0/xx

1986-05-11 Publication of SE8505295L publication Critical patent/SE8505295L/

1991-07-29 Publication of SE465129B publication Critical patent/SE465129B/sv

Links

229910000831 Steel Inorganic materials 0.000 title claims description 186
239000010959 steel Substances 0.000 title claims description 186
238000000034 method Methods 0.000 title claims description 51
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 7
230000005611 electricity Effects 0.000 title 1
239000011248 coating agent Substances 0.000 claims description 62
238000000576 coating method Methods 0.000 claims description 62
238000005530 etching Methods 0.000 claims description 53
238000000137 annealing Methods 0.000 claims description 36
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 32
229910017604 nitric acid Inorganic materials 0.000 claims description 32
239000000203 mixture Substances 0.000 claims description 30
229910052751 metal Inorganic materials 0.000 claims description 23
239000002184 metal Substances 0.000 claims description 23
229910019142 PO4 Inorganic materials 0.000 claims description 22
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 22
239000010452 phosphate Substances 0.000 claims description 22
229910052839 forsterite Inorganic materials 0.000 claims description 10
HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 10
230000005381 magnetic domain Effects 0.000 claims description 10
239000002253 acid Substances 0.000 claims description 9
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
238000010438 heat treatment Methods 0.000 claims description 3
238000004519 manufacturing process Methods 0.000 claims description 2
239000000463 material Substances 0.000 claims description 2
235000014113 dietary fatty acids Nutrition 0.000 claims 1
238000010894 electron beam technology Methods 0.000 claims 1
230000001747 exhibiting effect Effects 0.000 claims 1
239000000194 fatty acid Substances 0.000 claims 1
229930195729 fatty acid Natural products 0.000 claims 1
150000004665 fatty acids Chemical class 0.000 claims 1
230000003014 reinforcing effect Effects 0.000 claims 1
230000035882 stress Effects 0.000 description 39
239000000243 solution Substances 0.000 description 30
239000007788 liquid Substances 0.000 description 19
238000005096 rolling process Methods 0.000 description 13
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
238000005554 pickling Methods 0.000 description 10
238000007747 plating Methods 0.000 description 10
230000008569 process Effects 0.000 description 10
239000008119 colloidal silica Substances 0.000 description 9
239000007864 aqueous solution Substances 0.000 description 8
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
150000001875 compounds Chemical class 0.000 description 7
238000011282 treatment Methods 0.000 description 7
WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 6
ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 6
230000007423 decrease Effects 0.000 description 6
238000007654 immersion Methods 0.000 description 6
238000005097 cold rolling Methods 0.000 description 5
230000000052 comparative effect Effects 0.000 description 5
238000004090 dissolution Methods 0.000 description 5
238000011049 filling Methods 0.000 description 5
230000004907 flux Effects 0.000 description 5
239000010410 layer Substances 0.000 description 5
230000009467 reduction Effects 0.000 description 5
230000006866 deterioration Effects 0.000 description 4
238000010586 diagram Methods 0.000 description 4
239000006185 dispersion Substances 0.000 description 4
238000012360 testing method Methods 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 3
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
239000004327 boric acid Substances 0.000 description 3
238000005516 engineering process Methods 0.000 description 3
230000006872 improvement Effects 0.000 description 3
230000005855 radiation Effects 0.000 description 3
238000011084 recovery Methods 0.000 description 3
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
239000008199 coating composition Substances 0.000 description 2
239000013078 crystal Substances 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
238000007598 dipping method Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000001771 impaired effect Effects 0.000 description 2
GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 2
239000004137 magnesium phosphate Substances 0.000 description 2
229960002261 magnesium phosphate Drugs 0.000 description 2
229910000157 magnesium phosphate Inorganic materials 0.000 description 2
235000010994 magnesium phosphates Nutrition 0.000 description 2
CRGGPIWCSGOBDN-UHFFFAOYSA-N magnesium;dioxido(dioxo)chromium Chemical compound [Mg+2].[O-][Cr]([O-])(=O)=O CRGGPIWCSGOBDN-UHFFFAOYSA-N 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
229910052759 nickel Inorganic materials 0.000 description 2
230000008439 repair process Effects 0.000 description 2
239000000779 smoke Substances 0.000 description 2
239000002344 surface layer Substances 0.000 description 2
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
229910000676 Si alloy Inorganic materials 0.000 description 1
150000008065 acid anhydrides Chemical class 0.000 description 1
230000032683 aging Effects 0.000 description 1
ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
229910000151 chromium(III) phosphate Inorganic materials 0.000 description 1
IKZBVTPSNGOVRJ-UHFFFAOYSA-K chromium(iii) phosphate Chemical compound [Cr+3].[O-]P([O-])([O-])=O IKZBVTPSNGOVRJ-UHFFFAOYSA-K 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
238000012733 comparative method Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
238000005098 hot rolling Methods 0.000 description 1
229960002050 hydrofluoric acid Drugs 0.000 description 1
238000009776 industrial production Methods 0.000 description 1
238000009413 insulation Methods 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
230000001678 irradiating effect Effects 0.000 description 1
238000002372 labelling Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
239000012299 nitrogen atmosphere Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
239000012779 reinforcing material Substances 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000007921 spray Substances 0.000 description 1
230000000087 stabilizing effect Effects 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000005028 tinplate Substances 0.000 description 1

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
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Metallurgy (AREA)
Manufacturing & Machinery (AREA)
Crystallography & Structural Chemistry (AREA)
Thermal Sciences (AREA)
Electromagnetism (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Dispersion Chemistry (AREA)
Power Engineering (AREA)
Manufacturing Of Steel Electrode Plates (AREA)
Chemical Treatment Of Metals (AREA)
Soft Magnetic Materials (AREA)

SE8505295A 1984-11-10 1985-11-08 Kornorienterad staaltunnplaat foer elektriska aendamaal med laag wattfoerlust efter avspaenningsgloedgning samt foerfarande foer framstaellning av plaaten SE465129B (sv)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP23697384A JPS61117284A (ja)	1984-11-10	1984-11-10	低鉄損一方向性電磁鋼板の製造方法
JP60226953A JPS6286175A (ja)	1985-10-14	1985-10-14	方向性電磁鋼板の処理方法
JP22695485A JPS6286182A (ja)	1985-10-14	1985-10-14	一方向性電磁鋼帯の処理方法

Publications (3)

Publication Number	Publication Date
SE8505295D0 SE8505295D0 (sv)	1985-11-08
SE8505295L SE8505295L (sv)	1986-05-11
SE465129B true SE465129B (sv)	1991-07-29

Family

ID=27331238

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8505295A SE465129B (sv)	1984-11-10	1985-11-08	Kornorienterad staaltunnplaat foer elektriska aendamaal med laag wattfoerlust efter avspaenningsgloedgning samt foerfarande foer framstaellning av plaaten

Country Status (8)

Country	Link
US (1)	US4750949A (de)
KR (1)	KR910002866B1 (de)
BE (1)	BE903619A (de)
DE (1)	DE3539731C2 (de)
FR (1)	FR2575588B1 (de)
GB (1)	GB2168626B (de)
IT (1)	IT1182667B (de)
SE (1)	SE465129B (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4909864A (en) *	1986-09-16	1990-03-20	Kawasaki Steel Corp.	Method of producing extra-low iron loss grain oriented silicon steel sheets
GB2208871B (en) *	1987-08-22	1991-03-27	British Steel Plc	Processing grain-oriented "electrical" steel
US5185043A (en) *	1987-12-26	1993-02-09	Kawasaki Steel Corporation	Method for producing low iron loss grain oriented silicon steel sheets
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
US4915750A (en) *	1988-03-03	1990-04-10	Allegheny Ludlum Corporation	Method for providing heat resistant domain refinement of electrical steels to reduce core loss
IN171547B (de) *	1988-03-25	1992-11-14	Armco Advanced Materials
IN171546B (de) *	1988-03-25	1992-11-14	Armco Advanced Materials
US4904313A (en) *	1988-06-10	1990-02-27	Allegheny Ludlum Corporation	Method of producing stable magnetic domain refinement of electrical steels by metallic contaminants
US4911766A (en) *	1988-06-10	1990-03-27	Allegheny Ludlum Corporation	Method of refining magnetic domains of electrical steels using phosphorus
US5129965A (en) *	1990-07-20	1992-07-14	Nippon Steel Corporation	Method of producing grain oriented silicon steel sheets each having a low watt loss and a mirror surface
KR930007313B1 (ko) *	1990-08-01	1993-08-05	가와사끼세이데쓰 가부시끼가이샤	저 철손 방향성 전자강판의 제조방법
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
KR960006448B1 (ko) *	1992-08-05	1996-05-16	가와사끼 세이데쓰 가부시끼가이샤	저철손 방향성 전자강판의 제조방법
JP4319715B2 (ja) *	1998-10-06	2009-08-26	新日本製鐵株式会社	磁気特性の優れた一方向性電磁鋼板とその製造方法
JP4398666B2 (ja) *	2002-05-31	2010-01-13	新日本製鐵株式会社	磁気特性の優れた一方向性電磁鋼板およびその製造方法
DE10258531B3 (de) *	2002-12-14	2004-04-08	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Verfahren und Vorrichtung zur Herstellung korrosionsschutzbeschichteter Stähle
EP1607487B1 (de) *	2003-03-19	2016-12-21	Nippon Steel & Sumitomo Metal Corporation	Herstellungsverfahren eines kornorientierten magnetischen stahlblechs mit hervorragendem magnetischem verhalten
CN101946017B (zh) *	2008-02-19	2013-06-05	新日铁住金株式会社	低铁损单向性电磁钢板的制造方法
JP5919617B2 (ja) *	2010-08-06	2016-05-18	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
BR112013005335B1 (pt)	2010-09-09	2018-10-23	Nippon Steel & Sumitomo Metal Corporation	chapa de aço elétrico de grão orientado e método para fabricação da mesma
JP6121086B2 (ja) *	2010-09-30	2017-04-26	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
RU2578331C2 (ru) *	2011-12-27	2016-03-27	ДжФЕ СТИЛ КОРПОРЕЙШН	Устройство для улучшения свойств текстурированного листа электротехнической стали по потерям в железе
EP2843062B1 (de)	2012-04-27	2020-07-29	Nippon Steel Corporation	Kornorientiertes elektrostahlblech und herstellungsverfahren dafür
US9939382B2 (en) *	2013-03-28	2018-04-10	Jfe Steel Corporation	Method of checking forsterite, apparatus that evaluates forsterite, and production line that manufactures steel sheet
CN103777081B (zh) *	2013-12-30	2016-02-24	中国计量科学研究院	一种用于电工钢连续铁损测量的信号同步控制***及方法
CN103728501B (zh) *	2013-12-30	2016-03-02	中国计量科学研究院	一种电工钢连续铁损测量装置及方法
CN103728576B (zh) *	2013-12-30	2016-03-02	中国计量科学研究院	一种用于电工钢连续铁损测量的直流磁场补偿装置及方法
EP3330388B1 (de) *	2015-07-28	2021-09-01	JFE Steel Corporation	Verfahren zur herstellung von linearen rillen und vorrichtung zur herstellung von linearen rillen
CN105185503B (zh) *	2015-09-24	2018-01-19	国网智能电网研究院	一种电工钢板材及其制备方法
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
CN110919296B (zh) *	2018-09-19	2021-09-07	上海燊屿精密设备有限公司	一种冷轧不锈钢带去磁工艺
JP7188458B2 (ja)	2019-01-16	2022-12-13	日本製鉄株式会社	方向性電磁鋼板およびその製造方法

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Publication number	Priority date	Publication date	Assignee	Title
JPS53129116A (en) *	1977-04-18	1978-11-10	Nippon Steel Corp	Oriented electromagnetic steel sheet with excellent magnetic characteristic s
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
JPS5518566A (en) *	1978-07-26	1980-02-08	Nippon Steel Corp	Improving method for iron loss characteristic of directional electrical steel sheet
JPS5633878A (en) *	1979-08-29	1981-04-04	Hitachi Ltd	Charge coupling type semiconductor memory device
US4363677A (en) *	1980-01-25	1982-12-14	Nippon Steel Corporation	Method for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surface
DE3226640A1 (de) *	1981-07-17	1983-02-03	Nippon Steel Corp., Tokyo	Kornorientiertes elektrostahlblech mit niedrigen wattverlusten sowie verfahren und vorrichtung zu dessen herstellung
CA1197759A (en) *	1982-07-19	1985-12-10	Robert F. Miller	Method for producing cube-on-edge silicon steel
US4554029A (en) *	1982-11-08	1985-11-19	Armco Inc.	Local heat treatment of electrical steel
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

1985
- 1985-11-08 DE DE3539731A patent/DE3539731C2/de not_active Expired - Fee Related
- 1985-11-08 GB GB08527599A patent/GB2168626B/en not_active Expired
- 1985-11-08 BE BE0/215845A patent/BE903619A/fr not_active IP Right Cessation
- 1985-11-08 SE SE8505295A patent/SE465129B/sv not_active IP Right Cessation
- 1985-11-11 IT IT67947/85A patent/IT1182667B/it active
- 1985-11-11 KR KR1019850008408A patent/KR910002866B1/ko not_active IP Right Cessation
- 1985-11-12 US US06/796,869 patent/US4750949A/en not_active Expired - Lifetime
- 1985-11-12 FR FR858516665A patent/FR2575588B1/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
IT8567947A0 (it)	1985-11-11
KR910002866B1 (ko)	1991-05-06
GB2168626A (en)	1986-06-25
KR860004153A (ko)	1986-06-18
BE903619A (fr)	1986-03-03
GB8527599D0 (en)	1985-12-11
SE8505295D0 (sv)	1985-11-08
IT1182667B (it)	1987-10-05
SE8505295L (sv)	1986-05-11
GB2168626B (en)	1987-12-23
IT8567947A1 (it)	1987-05-11
DE3539731A1 (de)	1986-05-22
FR2575588A1 (fr)	1986-07-04
FR2575588B1 (fr)	1990-10-05
US4750949A (en)	1988-06-14
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