KR100266552B1 - 자속밀도가 높으면서 철손이 낮은 일방향성 전자강판 및 그 제조방법 - Google Patents
자속밀도가 높으면서 철손이 낮은 일방향성 전자강판 및 그 제조방법 Download PDFInfo
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- KR100266552B1 KR100266552B1 KR1019950046893A KR19950046893A KR100266552B1 KR 100266552 B1 KR100266552 B1 KR 100266552B1 KR 1019950046893 A KR1019950046893 A KR 1019950046893A KR 19950046893 A KR19950046893 A KR 19950046893A KR 100266552 B1 KR100266552 B1 KR 100266552B1
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 39
- 230000004907 flux Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 29
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 238000000137 annealing Methods 0.000 claims description 88
- 238000001953 recrystallisation Methods 0.000 claims description 43
- 239000013078 crystal Substances 0.000 claims description 40
- 238000005261 decarburization Methods 0.000 claims description 31
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000005097 cold rolling Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 11
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 7
- 239000012467 final product Substances 0.000 claims description 6
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 description 21
- 239000002244 precipitate Substances 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 10
- 239000003112 inhibitor Substances 0.000 description 10
- 238000013507 mapping Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 8
- 229910052711 selenium Inorganic materials 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 241000272814 Anser sp. Species 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000010191 image analysis Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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Classifications
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- 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
-
- 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
- C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
-
- 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
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
-
- 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
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (8)
- Si : 2.5~4.0중량%, Al : 0.005~0.06중량%를 함유하는 조성으로 이루어지는 일방향성 전자강판으로서, 상기 강판의 개개의 결정립중, 면적율로 적어도 95%가, 상기 강판의 압연방향에 대해 5°이내에 [001]축을 가지며, 또한 판면 수직방향에 대해 5°이내에 [110]축을 갖는, 직경이 5~50nm의 조대한 2차 재결정립으로 이루어지고, 이와 같은 조대한 2차 재결정립중에 또는 입계에, 상기 조대 2차립의 [001]축에 대한 [001]축의 상대각도가 2~30°인, 직경이 0.05~2mm의 세결정립을 갖는 것을 특징으로 하는 자속밀도가 높으면서 철손이 낮은 일방향성 정자강판.
- 제1항에 있어서, 전자강판이, Si : 2.5~4.0중량%, Al : 0.005~0.06중량%외에, Sb : 0.005~0.2중량%를 함유하는 조성으로 이루어지는 자속 밀도가 높으면서 철손이 낮은 일방향성 전자강판.
- 제1항에 있어서, 전자강판이, Si : 2.5~4.0중량%, Al : 0.005~0.06중량% 외에, Sb : 0.005~0.02중량% 및 Mo : 0.003~0.1중량%를 함유하는 조성으로 이루어지는 자속밀도가 높으면서 철손이 낮은 일방향성 전자강판.
- 제1항, 2항 또는 3항에 있어서, 세결정립의 결정방위가 (α, β, γ) 각 표시로, α2°이고 또 α1.5β 및 α1.5γ를 만족하는 것을 특징으로 하는 자속밀도가 높으면서 철손이 낮은 일방향성 전자강판.
- Si : 2.5~4.0중량%, Al : 0.005~0.06중량%를 함유하는 조성으로 이루어지는 방향성 전자강판용 슬라브를 열간 압연하고, 이어서 1회의 냉간 압연 또는 중간 소둔을 사이에 두는 2회의 냉간 압연에 의해 최종 제품판 두께로 마무리한 후, 탈탄·1차 개결정 소둔을 하고, 이어서 강판 표면에 MgO를 주성분으로 하는 소둔 분리제를 도포한 후, 2차 재결정 소둔 및 순화 소둔으로 이루어지는 최종 마무리 소둔을 실시함으로써 일방향성 전자강판을 제조하는 방법에 있어서, 상기 탈탄·1차 재결정 소둔공정에서, 450℃부터 800~880℃의 온도 범위의 소정의 유지온도까지를 10℃/min이상의 속도로 급속 가열함과 동시에, 이 탈탄·1차 개결정 소둔의 후반 과정에서, 소둔 분위기를 노점이 -20℃이하인 질소 분위기로 하여 침질 처리를 하는 것을 특징으로 하는 자속밀도가 높으면서 철손이 낮은 일방향성 전자강판의 제조방법.
- Si : 2.5~4.0중량%, Al : 0.005~0.06중량% 를 함유하는 조성으로 이루어지는 방향성 전자강판용 슬라브를 열간 압연하고, 이어서 1회의 냉간압연 또는 중간 소둔을 사이에 두는 2회의 냉간 압연에 의해 최종제품판 두께로 마무리한 후, 탈탄·1차 개결정 소둔을 실시하고, 이어서 강판표면에 MgO를 주성분으로 하는 소둔 분리제를 도포한 후, 2차 재결정 소둔 및 순화 소둔으로 이루어지는 최종 마무리 소둔을 실시함으로써 일방향성 전자강판을 제조하는 방법에 있어서, 상기 탈탄·1차 개결정 소둔공정에서, 450℃부터 800~880℃의 온도 범위의 소정의 유지 온도까지를 10℃/min이상의 속도로 급속하게 가열함과 동시에, 이와 같은 탈탄·1차 개결정 소둔 후, 최종 마무리 소둔에 앞서, 노점이 -20℃이하인 질소 분위기중에서 침질처리를 실시하는 것을 특징으로 하는 자속밀도가 높으면서 철손이 낮은 일방향성 전자강판의 제조방법.
- 제5항에 있어서, 침질처리에 의해 강판 표층부에서의 N농도를 20~200ppm 높이는 것을 특징으로 하는 자속밀도가 높으면서 철손이 낮은 일방향성 전자 강판의 제조방법.
- 제6항에 있어서, 침질처리에 의해 강판 표층부에서의 N농도를 20~200ppm 높이는 것을 특징으로 하는 자속밀도가 높으면서 철손이 낮은 일방향성 전자강판의 제조방법.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP94-300894 | 1994-12-05 | ||
| JP30089494 | 1994-12-05 | ||
| JP95-161958 | 1995-06-28 | ||
| JP16195895A JP3598590B2 (ja) | 1994-12-05 | 1995-06-28 | 磁束密度が高くかつ鉄損の低い一方向性電磁鋼板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR960023141A KR960023141A (ko) | 1996-07-18 |
| KR100266552B1 true KR100266552B1 (ko) | 2000-09-15 |
Family
ID=26487902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950046893A Expired - Lifetime KR100266552B1 (ko) | 1994-12-05 | 1995-12-05 | 자속밀도가 높으면서 철손이 낮은 일방향성 전자강판 및 그 제조방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US5702541A (ko) |
| EP (1) | EP0716151B1 (ko) |
| JP (1) | JP3598590B2 (ko) |
| KR (1) | KR100266552B1 (ko) |
| CN (1) | CN1071799C (ko) |
| CA (1) | CA2164466A1 (ko) |
| DE (1) | DE69527602T2 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100538595B1 (ko) * | 1997-07-17 | 2006-03-22 | 제이에프이 스틸 가부시키가이샤 | 자기특성이우수한방향성전자강판및그의제조방법 |
| KR100831756B1 (ko) * | 2000-08-09 | 2008-05-23 | 티센크룹 악키아이 스페시알리 테르니 에스. 피. 에이. | 그레인 방향성 전기 강 스트립의 제조시 억제제 분포를조절하는 방법 |
| KR20190077890A (ko) * | 2017-12-26 | 2019-07-04 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5885371A (en) * | 1996-10-11 | 1999-03-23 | Kawasaki Steel Corporation | Method of producing grain-oriented magnetic steel sheet |
| US6083326A (en) * | 1996-10-21 | 2000-07-04 | Kawasaki Steel Corporation | Grain-oriented electromagnetic steel sheet |
| IT1290171B1 (it) * | 1996-12-24 | 1998-10-19 | Acciai Speciali Terni Spa | Procedimento per il trattamento di acciaio al silicio, a grano orientato. |
| IT1290173B1 (it) * | 1996-12-24 | 1998-10-19 | Acciai Speciali Terni Spa | Procedimento per la produzione di lamierino di acciaio al silicio a grano orientato |
| IT1290977B1 (it) * | 1997-03-14 | 1998-12-14 | Acciai Speciali Terni Spa | Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato |
| IT1290978B1 (it) * | 1997-03-14 | 1998-12-14 | Acciai Speciali Terni Spa | Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato |
| BR9800978A (pt) | 1997-03-26 | 2000-05-16 | Kawasaki Steel Co | Chapas elétricas de aço com grão orientado tendo perda de ferro muito baixa e o processo de produção da mesma |
| EP0892072B1 (en) * | 1997-07-17 | 2003-01-22 | Kawasaki Steel Corporation | Grain-oriented electrical steel sheet excellent in magnetic characteristics and production process for same |
| US6200395B1 (en) | 1997-11-17 | 2001-03-13 | University Of Pittsburgh - Of The Commonwealth System Of Higher Education | Free-machining steels containing tin antimony and/or arsenic |
| IT1299137B1 (it) * | 1998-03-10 | 2000-02-29 | Acciai Speciali Terni Spa | Processo per il controllo e la regolazione della ricristallizzazione secondaria nella produzione di lamierini magnetici a grano orientato |
| KR19990088437A (ko) * | 1998-05-21 | 1999-12-27 | 에모또 간지 | 철손이매우낮은고자속밀도방향성전자강판및그제조방법 |
| DE69916743T2 (de) | 1998-10-27 | 2004-09-23 | Jfe Steel Corp. | Elektrostahlblech und dessen Herstellungsverfahren |
| US6206983B1 (en) | 1999-05-26 | 2001-03-27 | University Of Pittsburgh - Of The Commonwealth System Of Higher Education | Medium carbon steels and low alloy steels with enhanced machinability |
| KR100359622B1 (ko) * | 1999-05-31 | 2002-11-07 | 신닛뽄세이테쯔 카부시키카이샤 | 고자장 철손 특성이 우수한 고자속밀도 일방향성 전자 강판 및 그의 제조방법 |
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| JP2007314826A (ja) * | 2006-05-24 | 2007-12-06 | Nippon Steel Corp | 鉄損特性に優れた一方向性電磁鋼板 |
| CN102041440B (zh) * | 2011-01-16 | 2012-01-25 | 首钢总公司 | 一种高磁感取向硅钢的生产方法 |
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| FR2990246B1 (fr) | 2012-05-03 | 2014-05-02 | Hydromecanique & Frottement | Chemise de moteur a combustion interne |
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| CN108368562B (zh) * | 2015-12-11 | 2021-07-20 | 日本制铁株式会社 | 成形品的制造方法及成形品 |
| WO2019013351A1 (ja) * | 2017-07-13 | 2019-01-17 | 新日鐵住金株式会社 | 方向性電磁鋼板及びその製造方法 |
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| WO2025070796A1 (ja) * | 2023-09-27 | 2025-04-03 | 日本製鉄株式会社 | 方向性電磁鋼板、及び方向性電磁鋼板の製造方法 |
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| DE69332394T2 (de) * | 1992-07-02 | 2003-06-12 | Nippon Steel Corp., Tokio/Tokyo | Kornorientiertes Elektroblech mit hoher Flussdichte und geringen Eisenverlusten und Herstellungsverfahren |
| EP0588342B1 (en) * | 1992-09-17 | 2000-07-12 | Nippon Steel Corporation | Grain-oriented electrical steel sheet and material having very high magnetic flux density and method of manufacturing same |
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- 1995-06-28 JP JP16195895A patent/JP3598590B2/ja not_active Expired - Fee Related
- 1995-12-05 CA CA002164466A patent/CA2164466A1/en not_active Abandoned
- 1995-12-05 KR KR1019950046893A patent/KR100266552B1/ko not_active Expired - Lifetime
- 1995-12-05 CN CN95121635A patent/CN1071799C/zh not_active Expired - Lifetime
- 1995-12-05 DE DE69527602T patent/DE69527602T2/de not_active Expired - Lifetime
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- 1995-12-05 EP EP95119146A patent/EP0716151B1/en not_active Expired - Lifetime
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| EP0147659A2 (en) * | 1983-12-02 | 1985-07-10 | Kawasaki Steel Corporation | Method for manufacturing grain-oriented silicon steel sheet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100538595B1 (ko) * | 1997-07-17 | 2006-03-22 | 제이에프이 스틸 가부시키가이샤 | 자기특성이우수한방향성전자강판및그의제조방법 |
| KR100831756B1 (ko) * | 2000-08-09 | 2008-05-23 | 티센크룹 악키아이 스페시알리 테르니 에스. 피. 에이. | 그레인 방향성 전기 강 스트립의 제조시 억제제 분포를조절하는 방법 |
| KR20190077890A (ko) * | 2017-12-26 | 2019-07-04 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
| KR102080166B1 (ko) | 2017-12-26 | 2020-02-21 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3598590B2 (ja) | 2004-12-08 |
| CA2164466A1 (en) | 1996-06-06 |
| DE69527602T2 (de) | 2002-11-28 |
| US5702541A (en) | 1997-12-30 |
| JPH08213225A (ja) | 1996-08-20 |
| DE69527602D1 (de) | 2002-09-05 |
| CN1071799C (zh) | 2001-09-26 |
| US5800633A (en) | 1998-09-01 |
| CN1138107A (zh) | 1996-12-18 |
| EP0716151B1 (en) | 2002-07-31 |
| EP0716151A1 (en) | 1996-06-12 |
| KR960023141A (ko) | 1996-07-18 |
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