JP2001515540A - 結晶粒配向電気シートの製造時における抑制制御方法 - Google Patents
結晶粒配向電気シートの製造時における抑制制御方法Info
- Publication number
- JP2001515540A JP2001515540A JP54004898A JP54004898A JP2001515540A JP 2001515540 A JP2001515540 A JP 2001515540A JP 54004898 A JP54004898 A JP 54004898A JP 54004898 A JP54004898 A JP 54004898A JP 2001515540 A JP2001515540 A JP 2001515540A
- Authority
- JP
- Japan
- Prior art keywords
- ppm
- range
- grain
- temperature
- strip
- 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.)
- Pending
Links
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
- C21D8/1261—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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D8/1255—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
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- C21D8/1216—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
- C21D8/1227—Warm rolling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (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)
- Measuring Magnetic Variables (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Epoxy Compounds (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Medicines Containing Plant Substances (AREA)
- Seasonings (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Disintegrating Or Milling (AREA)
- Coating With Molten Metal (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.珪素鋼板を鋳造してスラブを作製し、次いで高温まで加熱して熱間圧延処理 し;こうして得られた熱間圧延ストリップを、アニール処理および焼入処理し、 これを冷間圧延処理することにより得られた冷間圧延ストリップを一次再結晶ア ニール処理、窒化処理にかけ、更に、二次再結晶アニール処理にかけて、結晶粒 配向電気シートを製造する時の抑制制御方法であって、 次のステツプ: (i)銅、炭素、およびアルミニウムの含有量がそれぞれ、次の範囲:800〜18 00ppm、50〜550ppm、250〜350ppmである珪素鋼板を連続鋳造するステップと、 (ii)連続鋳造されたスラブを、1150〜1320℃の範囲内の温度で加熱し、これ を熱間圧延処理するステップと、 (iii)こうして得られたストリップを1100〜1150℃まで急速に加熱し、850〜 950℃まで冷却し、この温度を30〜100秒間にわたり保持し、次いで、550〜850 ℃まで急冷し、結果として、以下の実験式: Iz=l.91Fv/r 〔式中、Fvは、有用な析出物の体積分率であり、rは、該析出物の平均半径で ある〕 に従って計算される、結晶粒成長を制御するための有効抑制度(Iz)が、400 〜1300cm-1の範囲内にあるストリップが得られるようにするステップと、 の協同的関係での組合わせを特徴とする方法。 2.前記銅含有量が1000〜1500ppmの範囲内であることを特徴とする請求項1記 載の方法。 3.前記炭素含有量が、配向結晶粒最終製品の場合、50〜250ppmの範囲内であり 、超配向結晶粒最終製品の場合、250〜550ppmの範囲内であることを特徴とす る請求項1または2記載の方法。 4.前記アルミニウム含有量が280〜310ppmの範囲内であることを特徴とする請 求項1〜3のいずれか1項記載の方法。 5.1200〜1300℃の範囲内の温度で前記スラブを加熱することを特徴とする請求 項1〜4のいずれか1項記載の方法。 6.前記冷間圧延処理のいくつかのステップが180〜250℃の範囲内の温度で行わ れることを特徴とする請求項1〜5のいずれか1項記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT97A000146 | 1997-03-14 | ||
IT97RM000146A IT1290977B1 (it) | 1997-03-14 | 1997-03-14 | Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato |
PCT/EP1997/004088 WO1998041659A1 (en) | 1997-03-14 | 1997-07-28 | Process for the inhibition control in the production of grain-oriented electrical sheets |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001515540A true JP2001515540A (ja) | 2001-09-18 |
Family
ID=11404859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54004898A Pending JP2001515540A (ja) | 1997-03-14 | 1997-07-28 | 結晶粒配向電気シートの製造時における抑制制御方法 |
Country Status (16)
Country | Link |
---|---|
US (1) | US6361620B1 (ja) |
EP (1) | EP0966549B1 (ja) |
JP (1) | JP2001515540A (ja) |
KR (1) | KR100561143B1 (ja) |
CN (1) | CN1094982C (ja) |
AT (1) | ATE245709T1 (ja) |
AU (1) | AU4378097A (ja) |
BR (1) | BR9714628A (ja) |
CZ (1) | CZ295535B6 (ja) |
DE (1) | DE69723736T2 (ja) |
ES (1) | ES2203820T3 (ja) |
IT (1) | IT1290977B1 (ja) |
PL (1) | PL182838B1 (ja) |
RU (1) | RU2198230C2 (ja) |
SK (1) | SK284364B6 (ja) |
WO (1) | WO1998041659A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011102456A1 (ja) | 2010-02-18 | 2011-08-25 | 新日本製鐵株式会社 | 方向性電磁鋼板の製造方法 |
US9175362B2 (en) | 2010-02-18 | 2015-11-03 | Nippon Steel & Sumitomo Metal Corporation | Method of manufacturing grain-oriented electrical steel sheet |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE69923102T3 (de) † | 1998-03-30 | 2015-10-15 | Nippon Steel & Sumitomo Metal Corporation | Verfahren zur Herstellung eines kornorientierten Elektrobleches mit ausgezeichneten magnetischen Eigenschaften |
EP1162280B1 (en) * | 2000-06-05 | 2013-08-07 | Nippon Steel & Sumitomo Metal Corporation | Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties |
IT1316026B1 (it) | 2000-12-18 | 2003-03-26 | Acciai Speciali Terni Spa | Procedimento per la fabbricazione di lamierini a grano orientato. |
WO2008126911A1 (ja) * | 2007-04-05 | 2008-10-23 | Nippon Steel Corporation | キュリー点を有する鋼帯の連続焼鈍方法および連続焼鈍設備 |
ITRM20070218A1 (it) * | 2007-04-18 | 2008-10-19 | Ct Sviluppo Materiali Spa | Procedimento per la produzione di lamierino magnetico a grano orientato |
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 |
JP4800442B2 (ja) * | 2008-09-10 | 2011-10-26 | 新日本製鐵株式会社 | 方向性電磁鋼板の製造方法 |
IT1396714B1 (it) * | 2008-11-18 | 2012-12-14 | Ct Sviluppo Materiali Spa | Procedimento per la produzione di lamierino magnetico a grano orientato a partire da bramma sottile. |
JP4840518B2 (ja) * | 2010-02-24 | 2011-12-21 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
JP5712491B2 (ja) * | 2010-03-12 | 2015-05-07 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
RU2503728C1 (ru) * | 2010-05-25 | 2014-01-10 | Ниппон Стил Энд Сумитомо Метал Корпорейшн | Способ изготовления листа электротехнической стали с ориентированной зеренной структурой |
KR101633255B1 (ko) | 2014-12-18 | 2016-07-08 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
US11459629B2 (en) * | 2016-02-22 | 2022-10-04 | Jfe Steel Corporation | Method of producing grain-oriented electrical steel sheet |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US5472521A (en) * | 1933-10-19 | 1995-12-05 | Nippon Steel Corporation | Production method of grain oriented electrical steel sheet having excellent magnetic characteristics |
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 |
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 |
US5759293A (en) * | 1989-01-07 | 1998-06-02 | Nippon Steel Corporation | Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip |
JPH0730397B2 (ja) * | 1990-04-13 | 1995-04-05 | 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の製造方法 |
JP2519615B2 (ja) * | 1991-09-26 | 1996-07-31 | 新日本製鐵株式会社 | 磁気特性の優れた方向性電磁鋼板の製造方法 |
KR960010811B1 (ko) * | 1992-04-16 | 1996-08-09 | 신니뽄세이데스 가부시끼가이샤 | 자성이 우수한 입자배향 전기 강 시트의 제조방법 |
US5507883A (en) * | 1992-06-26 | 1996-04-16 | Nippon Steel Corporation | Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same |
JP2724659B2 (ja) * | 1992-11-26 | 1998-03-09 | 新日本製鐵株式会社 | 磁気特性の優れた高磁束密度一方向性電磁鋼板 |
DE4311151C1 (de) * | 1993-04-05 | 1994-07-28 | Thyssen Stahl Ag | Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten |
JP3240035B2 (ja) * | 1994-07-22 | 2001-12-17 | 川崎製鉄株式会社 | コイル全長にわたり磁気特性に優れた方向性けい素鋼板の製造方法 |
JP3598590B2 (ja) * | 1994-12-05 | 2004-12-08 | Jfeスチール株式会社 | 磁束密度が高くかつ鉄損の低い一方向性電磁鋼板 |
JPH08225843A (ja) * | 1995-02-15 | 1996-09-03 | Nippon Steel Corp | 方向性珪素鋼板の製造方法 |
FR2731713B1 (fr) * | 1995-03-14 | 1997-04-11 | Ugine Sa | Procede de fabrication d'une tole d'acier electrique a grains orientes pour la realisation notamment de circuits magnetiques de transformateurs |
US5643370A (en) * | 1995-05-16 | 1997-07-01 | Armco Inc. | Grain oriented electrical steel having high volume resistivity and method for producing same |
JP2850823B2 (ja) * | 1995-12-27 | 1999-01-27 | 日本電気株式会社 | チップ型固体電解コンデンサの製造方法 |
US5885371A (en) * | 1996-10-11 | 1999-03-23 | Kawasaki Steel Corporation | Method of producing grain-oriented magnetic steel sheet |
-
1997
- 1997-03-14 IT IT97RM000146A patent/IT1290977B1/it active IP Right Grant
- 1997-07-28 SK SK1225-99A patent/SK284364B6/sk not_active IP Right Cessation
- 1997-07-28 ES ES97941899T patent/ES2203820T3/es not_active Expired - Lifetime
- 1997-07-28 EP EP97941899A patent/EP0966549B1/en not_active Expired - Lifetime
- 1997-07-28 AT AT97941899T patent/ATE245709T1/de active
- 1997-07-28 JP JP54004898A patent/JP2001515540A/ja active Pending
- 1997-07-28 PL PL97335653A patent/PL182838B1/pl unknown
- 1997-07-28 DE DE69723736T patent/DE69723736T2/de not_active Expired - Lifetime
- 1997-07-28 BR BR9714628-5A patent/BR9714628A/pt not_active IP Right Cessation
- 1997-07-28 AU AU43780/97A patent/AU4378097A/en not_active Abandoned
- 1997-07-28 KR KR1019997008328A patent/KR100561143B1/ko not_active IP Right Cessation
- 1997-07-28 US US09/381,104 patent/US6361620B1/en not_active Expired - Lifetime
- 1997-07-28 RU RU99121853/02A patent/RU2198230C2/ru not_active IP Right Cessation
- 1997-07-28 CN CN97182039A patent/CN1094982C/zh not_active Expired - Fee Related
- 1997-07-28 WO PCT/EP1997/004088 patent/WO1998041659A1/en active IP Right Grant
- 1997-07-28 CZ CZ19993251A patent/CZ295535B6/cs not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011102456A1 (ja) | 2010-02-18 | 2011-08-25 | 新日本製鐵株式会社 | 方向性電磁鋼板の製造方法 |
US9175362B2 (en) | 2010-02-18 | 2015-11-03 | Nippon Steel & Sumitomo Metal Corporation | Method of manufacturing grain-oriented electrical steel sheet |
Also Published As
Publication number | Publication date |
---|---|
US6361620B1 (en) | 2002-03-26 |
KR20000076233A (ko) | 2000-12-26 |
ITRM970146A1 (it) | 1998-09-14 |
BR9714628A (pt) | 2000-03-28 |
DE69723736T2 (de) | 2004-04-22 |
EP0966549A1 (en) | 1999-12-29 |
CN1094982C (zh) | 2002-11-27 |
AU4378097A (en) | 1998-10-12 |
ATE245709T1 (de) | 2003-08-15 |
CZ9903251A3 (cs) | 2001-07-11 |
SK284364B6 (sk) | 2005-02-04 |
CZ295535B6 (cs) | 2005-08-17 |
IT1290977B1 (it) | 1998-12-14 |
PL335653A1 (en) | 2000-05-08 |
ES2203820T3 (es) | 2004-04-16 |
CN1249008A (zh) | 2000-03-29 |
DE69723736D1 (de) | 2003-08-28 |
WO1998041659A1 (en) | 1998-09-24 |
SK122599A3 (en) | 2000-05-16 |
RU2198230C2 (ru) | 2003-02-10 |
EP0966549B1 (en) | 2003-07-23 |
KR100561143B1 (ko) | 2006-03-15 |
PL182838B1 (pl) | 2002-03-29 |
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