SK285282B6 - Spôsob výroby oceľových plechov s vysokými feromagnetickými charakteristikami - Google Patents
Spôsob výroby oceľových plechov s vysokými feromagnetickými charakteristikami Download PDFInfo
- Publication number
- SK285282B6 SK285282B6 SK863-99A SK86399A SK285282B6 SK 285282 B6 SK285282 B6 SK 285282B6 SK 86399 A SK86399 A SK 86399A SK 285282 B6 SK285282 B6 SK 285282B6
- Authority
- SK
- Slovakia
- Prior art keywords
- temperature
- annealing
- rolling
- nitriding
- hot
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 230000005291 magnetic effect Effects 0.000 title abstract description 9
- 229910000976 Electrical steel Inorganic materials 0.000 title abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000005121 nitriding Methods 0.000 claims abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 238000001953 recrystallisation Methods 0.000 claims abstract description 7
- 238000009749 continuous casting Methods 0.000 claims abstract description 4
- 238000000137 annealing Methods 0.000 claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000005097 cold rolling Methods 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 238000005098 hot rolling Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005262 decarbonization Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 24
- 239000002244 precipitate Substances 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 description 9
- 230000035699 permeability Effects 0.000 description 8
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 6
- 239000011572 manganese Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- -1 silicon nitrides Chemical class 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- COOGPNLGKIHLSK-UHFFFAOYSA-N aluminium sulfide Chemical class [Al+3].[Al+3].[S-2].[S-2].[S-2] COOGPNLGKIHLSK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- VCTOKJRTAUILIH-UHFFFAOYSA-N manganese(2+);sulfide Chemical class [S-2].[Mn+2] VCTOKJRTAUILIH-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009827 uniform distribution Methods 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
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- 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
- C21D8/1216—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
- C21D8/1261—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
- 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
- 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
- C22C38/06—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
- 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
- C21D8/1222—Hot rolling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT96RM000904A IT1290172B1 (it) | 1996-12-24 | 1996-12-24 | Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche. |
| PCT/EP1997/004007 WO1998028452A1 (en) | 1996-12-24 | 1997-07-24 | Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK86399A3 SK86399A3 (en) | 2000-01-18 |
| SK285282B6 true SK285282B6 (sk) | 2006-10-05 |
Family
ID=11404620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK863-99A SK285282B6 (sk) | 1996-12-24 | 1997-07-24 | Spôsob výroby oceľových plechov s vysokými feromagnetickými charakteristikami |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US6471787B2 (cs) |
| EP (1) | EP0950119B1 (cs) |
| JP (1) | JP4651755B2 (cs) |
| KR (1) | KR100561142B1 (cs) |
| CN (1) | CN1077142C (cs) |
| AT (1) | ATE197721T1 (cs) |
| AU (1) | AU4202197A (cs) |
| BR (1) | BR9713624A (cs) |
| CZ (1) | CZ291193B6 (cs) |
| DE (1) | DE69703590T2 (cs) |
| ES (1) | ES2154054T3 (cs) |
| GR (1) | GR3035444T3 (cs) |
| IT (1) | IT1290172B1 (cs) |
| PL (1) | PL182830B1 (cs) |
| RU (1) | RU2193603C2 (cs) |
| SK (1) | SK285282B6 (cs) |
| WO (1) | WO1998028452A1 (cs) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| KR100530056B1 (ko) * | 2001-11-13 | 2005-11-22 | 주식회사 포스코 | 생산성이 우수한 방향성 전기강판의 제조방법 |
| JP2004315949A (ja) * | 2003-04-21 | 2004-11-11 | Internatl Business Mach Corp <Ibm> | 物理状態制御用情報計算装置、物理状態制御用情報計算方法、物理状態制御用情報計算用プログラム及び物理状態制御装置 |
| TR201902554T4 (tr) * | 2003-10-10 | 2019-03-21 | Nucor Corp | Çelik şerit döküm. |
| US7484551B2 (en) | 2003-10-10 | 2009-02-03 | Nucor Corporation | Casting steel strip |
| EP1752548B1 (de) * | 2005-08-03 | 2016-02-03 | ThyssenKrupp Steel Europe AG | Verfahren zur Herstellung von kornorientiertem Elektroband |
| PL1752549T3 (pl) * | 2005-08-03 | 2017-08-31 | Thyssenkrupp Steel Europe Ag | Sposób wytwarzania taśmy elektrotechnicznej o zorientowanych ziarnach |
| CN100455690C (zh) * | 2005-11-30 | 2009-01-28 | 宝山钢铁股份有限公司 | 一种基于薄板坯连铸连轧的取向硅钢及其制造方法 |
| US7650925B2 (en) | 2006-08-28 | 2010-01-26 | Nucor Corporation | Identifying and reducing causes of defects in thin cast strip |
| JP5001611B2 (ja) * | 2006-09-13 | 2012-08-15 | 新日本製鐵株式会社 | 高磁束密度方向性珪素鋼板の製造方法 |
| CN101643881B (zh) * | 2008-08-08 | 2011-05-11 | 宝山钢铁股份有限公司 | 一种含铜取向硅钢的生产方法 |
| CN101768697B (zh) | 2008-12-31 | 2012-09-19 | 宝山钢铁股份有限公司 | 用一次冷轧法生产取向硅钢的方法 |
| EP2418294B1 (en) * | 2009-04-06 | 2019-12-25 | Nippon Steel Corporation | Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet |
| RU2407809C1 (ru) * | 2009-08-03 | 2010-12-27 | Открытое акционерное общество "Новолипецкий металлургический комбинат" | Способ производства анизотропной электротехнической стали с высокими магнитными свойствами |
| RU2403293C1 (ru) * | 2009-08-03 | 2010-11-10 | Открытое акционерное общество "Новолипецкий металлургический комбинат" | Способ производства анизотропной электротехнической стали |
| RU2407808C1 (ru) * | 2009-08-03 | 2010-12-27 | Открытое акционерное общество "Новолипецкий металлургический комбинат" | Способ производства анизотропной электротехнической стали с низкими удельными потерями на перемагничивание |
| KR101122127B1 (ko) * | 2009-12-23 | 2012-03-16 | 주식회사 포스코 | 정련 방법 및 이에 의해 제조된 방향성 전기 강판 |
| CN101775548B (zh) * | 2009-12-31 | 2011-05-25 | 武汉钢铁(集团)公司 | 低渗氮量高磁感取向硅钢带的生产方法 |
| DE102011107304A1 (de) | 2011-07-06 | 2013-01-10 | Thyssenkrupp Electrical Steel Gmbh | Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrostahlflachprodukts |
| KR101570018B1 (ko) | 2011-12-28 | 2015-11-17 | 제이에프이 스틸 가부시키가이샤 | 방향성 전기 강판 및 그 철손 개선 방법 |
| CN103074476B (zh) * | 2012-12-07 | 2014-02-26 | 武汉钢铁(集团)公司 | 一种分三段常化生产高磁感取向硅钢带的方法 |
| JP5692479B2 (ja) * | 2012-12-28 | 2015-04-01 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板の製造方法 |
| RU2617308C2 (ru) * | 2012-12-28 | 2017-04-24 | ДжФЕ СТИЛ КОРПОРЕЙШН | Способ производства текстурированного листа из электротехнической стали и первично-рекристаллизованный стальной лист для производства текстурированного листа из электротехнической стали |
| KR101980940B1 (ko) * | 2012-12-28 | 2019-05-21 | 제이에프이 스틸 가부시키가이샤 | 방향성 전기 강판의 제조 방법 및 방향성 전기 강판 제조용의 1 차 재결정 강판 |
| DE102014104106A1 (de) | 2014-03-25 | 2015-10-01 | Thyssenkrupp Electrical Steel Gmbh | Verfahren zur Herstellung von hochpermeablem kornorientiertem Elektroband |
| CN106480281A (zh) * | 2015-08-24 | 2017-03-08 | 鞍钢股份有限公司 | 一种高磁感取向电工钢的生产方法 |
| CN106480305A (zh) * | 2015-08-24 | 2017-03-08 | 鞍钢股份有限公司 | 一种提高冷轧电工钢脱碳效率的生产方法 |
| JP6455468B2 (ja) | 2016-03-09 | 2019-01-23 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板の製造方法 |
| CN108444236B (zh) * | 2018-04-26 | 2020-09-01 | 怀化学院 | 一种基于新能源控制的烘干设备 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5032059B2 (cs) * | 1971-12-24 | 1975-10-17 | ||
| JPS5037009B2 (cs) | 1972-04-05 | 1975-11-29 | ||
| JPS5933170B2 (ja) | 1978-10-02 | 1984-08-14 | 新日本製鐵株式会社 | 磁束密度の極めて高い、含Ａｌ一方向性珪素鋼板の製造法 |
| JPS5948934B2 (ja) * | 1981-05-30 | 1984-11-29 | 新日本製鐵株式会社 | 高磁束密度一方向性電磁鋼板の製造方法 |
| JPS5956523A (ja) | 1982-09-24 | 1984-04-02 | Nippon Steel Corp | 高磁束密度一方向性珪素鋼板の製造方法 |
| SU1314687A1 (ru) * | 1985-05-05 | 1995-09-27 | Научно-исследовательский институт металлургии | Способ производства листовой электротехнической стали |
| JPH0717961B2 (ja) * | 1988-04-25 | 1995-03-01 | 新日本製鐵株式会社 | 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法 |
| US5186762A (en) * | 1989-03-30 | 1993-02-16 | Nippon Steel Corporation | Process for producing grain-oriented electrical steel sheet having high magnetic flux density |
| US5082509A (en) * | 1989-04-14 | 1992-01-21 | Nippon Steel Corporation | Method of producing oriented electrical steel sheet having superior magnetic properties |
| JP2782086B2 (ja) * | 1989-05-29 | 1998-07-30 | 新日本製鐵株式会社 | 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法 |
| RU2002820C1 (ru) * | 1991-07-01 | 1993-11-15 | Новолипецкий металлургический комбинат им.Ю.В.Андропова | Способ производства анизотропной электротехнической стали |
| JP2620438B2 (ja) * | 1991-10-28 | 1997-06-11 | 新日本製鐵株式会社 | 磁束密度の高い一方向性電磁鋼板の製造方法 |
| JPH06179917A (ja) * | 1992-12-15 | 1994-06-28 | Nippon Steel Corp | 高磁束密度一方向性電磁鋼板の製造方法 |
| JPH06179915A (ja) * | 1992-12-15 | 1994-06-28 | Nippon Steel Corp | 高磁束密度一方向性電磁鋼板の製造方法 |
| RU2048544C1 (ru) * | 1993-02-15 | 1995-11-20 | Новолипецкий металлургический комбинат им.Ю.В.Андропова | Способ производства анизотропной электротехнической стали |
| JPH06306473A (ja) * | 1993-04-26 | 1994-11-01 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
| JPH06306474A (ja) * | 1993-04-26 | 1994-11-01 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
| JP3443151B2 (ja) * | 1994-01-05 | 2003-09-02 | 新日本製鐵株式会社 | 方向性珪素鋼板の製造方法 |
| JPH07258802A (ja) * | 1994-03-25 | 1995-10-09 | Nippon Steel Corp | 高磁束密度低鉄損一方向性電磁鋼板およびその製造法 |
| JPH07278671A (ja) * | 1994-04-06 | 1995-10-24 | Nippon Steel Corp | 低鉄損鏡面方向性電磁鋼板の製造方法 |
| JP3551517B2 (ja) * | 1995-01-06 | 2004-08-11 | Ｊｆｅスチール株式会社 | 磁気特性の良好な方向性けい素鋼板及びその製造方法 |
| US5643370A (en) * | 1995-05-16 | 1997-07-01 | Armco Inc. | Grain oriented electrical steel having high volume resistivity and method for producing same |
-
1996
- 1996-12-24 IT IT96RM000904A patent/IT1290172B1/it active IP Right Grant
-
1997
- 1997-07-24 SK SK863-99A patent/SK285282B6/sk not_active IP Right Cessation
- 1997-07-24 AU AU42021/97A patent/AU4202197A/en not_active Abandoned
- 1997-07-24 AT AT97940017T patent/ATE197721T1/de active
- 1997-07-24 KR KR1019997005752A patent/KR100561142B1/ko not_active Expired - Lifetime
- 1997-07-24 CN CN97180995A patent/CN1077142C/zh not_active Expired - Fee Related
- 1997-07-24 EP EP97940017A patent/EP0950119B1/en not_active Expired - Lifetime
- 1997-07-24 DE DE69703590T patent/DE69703590T2/de not_active Expired - Lifetime
- 1997-07-24 CZ CZ19992310A patent/CZ291193B6/cs not_active IP Right Cessation
- 1997-07-24 BR BR9713624-7A patent/BR9713624A/pt not_active IP Right Cessation
- 1997-07-24 WO PCT/EP1997/004007 patent/WO1998028452A1/en not_active Application Discontinuation
- 1997-07-24 ES ES97940017T patent/ES2154054T3/es not_active Expired - Lifetime
- 1997-07-24 PL PL97334287A patent/PL182830B1/pl unknown
- 1997-07-24 US US09/331,506 patent/US6471787B2/en not_active Expired - Lifetime
- 1997-07-24 JP JP52827398A patent/JP4651755B2/ja not_active Expired - Lifetime
- 1997-07-24 RU RU99116327/02A patent/RU2193603C2/ru not_active IP Right Cessation
-
2001
- 2001-02-20 GR GR20010400275T patent/GR3035444T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU4202197A (en) | 1998-07-17 |
| US20020033206A1 (en) | 2002-03-21 |
| CZ291193B6 (cs) | 2003-01-15 |
| ITRM960904A0 (it) | 1996-12-24 |
| ES2154054T3 (es) | 2001-03-16 |
| RU2193603C2 (ru) | 2002-11-27 |
| DE69703590D1 (de) | 2000-12-28 |
| IT1290172B1 (it) | 1998-10-19 |
| EP0950119A1 (en) | 1999-10-20 |
| CZ231099A3 (cs) | 2000-07-12 |
| JP2001506702A (ja) | 2001-05-22 |
| JP4651755B2 (ja) | 2011-03-16 |
| SK86399A3 (en) | 2000-01-18 |
| BR9713624A (pt) | 2000-04-11 |
| KR100561142B1 (ko) | 2006-03-15 |
| CN1242057A (zh) | 2000-01-19 |
| ITRM960904A1 (it) | 1998-06-24 |
| EP0950119B1 (en) | 2000-11-22 |
| WO1998028452A1 (en) | 1998-07-02 |
| CN1077142C (zh) | 2002-01-02 |
| US6471787B2 (en) | 2002-10-29 |
| DE69703590T2 (de) | 2001-05-31 |
| GR3035444T3 (en) | 2001-05-31 |
| PL182830B1 (pl) | 2002-03-29 |
| PL334287A1 (en) | 2000-02-14 |
| ATE197721T1 (de) | 2000-12-15 |
| KR20000069695A (ko) | 2000-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed due to non-payment of maintenance fees |
Effective date: 20140724 |