KR100336661B1 - 매우철손이낮은방향성전자강판과그제조방법 - Google Patents
매우철손이낮은방향성전자강판과그제조방법 Download PDFInfo
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- KR100336661B1 KR100336661B1 KR1019980010335A KR19980010335A KR100336661B1 KR 100336661 B1 KR100336661 B1 KR 100336661B1 KR 1019980010335 A KR1019980010335 A KR 1019980010335A KR 19980010335 A KR19980010335 A KR 19980010335A KR 100336661 B1 KR100336661 B1 KR 100336661B1
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- steel sheet
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- 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
- 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
- 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
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
-
- 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
- C21D8/1294—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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
슬래브 기호 | 평균결정립직경(mm) | 결정립직경분포(%) | 방위편차각α(도) | 강중분석치 (ppm) | W17/50(w/kg) | 900℃초과의 제1어 닐링의 700 내지 900℃간의가열속도(℃/s) | 비고 | |||||||
2mm 이하 | 2-10mm | 10mm이상 | C | S+Se | N | O | Al | Ti | ||||||
I-1 | 16.3 | 4.4 | 0.0 | 95.6 | 2.6 | 11 | 5 | 4 | 8 | 4 | 9 | 0.66 | 15 | 본발명 |
I-2 | 2.6 | 8.5 | 28.0 | 63.5 | 15.3 | 12 | 3 | 4 | 10 | 3 | 8 | 1.18 | 35 | 비교예 |
I-3 | 15.5 | 3.3 | 0.0 | 96.7 | 1.8 | 10 | 4 | 4 | 9 | 4 | 10 | 0.63 | 16 | 본발명 |
I-4 | 4.3 | 6.2 | 41.4 | 52.4 | 12.6 | 11 | 4 | 3 | 11 | 4 | 9 | 1.03 | 38 | 비교예 |
I-5 | 17.3 | 3.6 | 0.0 | 96.4 | 2.8 | 12 | 4 | 3 | 8 | 4 | 8 | 0.68 | 16 | 본발명 |
I-6 | 5.6 | 5.3 | 70.1 | 24.6 | 7.3 | 11 | 4 | 4 | 9 | 4 | 8 | 0.92 | 38 | 비교예 |
Claims (8)
- 제품의 2 차 재결정립은,결정방위의 (110)〔001〕 방위로부터의 면내편차각의 평균이 4 도 이내이고,입경 10 ㎜ 이상의 결정립이 면적비율로 75 % 이상이고,평균입경이 25 ㎜ 이하인 것을 특징으로 하는 매우 철손이 낮은 방향성 전자강판.
- 제 1 항에 있어서,제품의 강판 중에 Si 를 1.5 ∼ 7.0 wt% 함유하고,인히비터 보조원소로서 Mn, Cu, Sn, Ge, Bi, V, Nb, Cr, Te 및 Mo 중 1 종 또는 2 종 이상의 합계로 0.005 ∼ 2.5 wt%, P 를 0.005 ∼ 0.30 wt% 함유하고,Ni : 0.005 ∼ 1.0 wt%, Sb : 0.02 ∼ 0.15 wt%, B : 0 ∼ 0.0050 wt% 를 더 함유하고,Sb 함유율 : X (wt%), Ni 함유량 : Y (wt%) 로서,0.02 ≤ Y ≤ 1.0, 5(X-0.05) ≤ Y ≤ 10X 의 각관계를 만족시키고,불순물로서 C 를 0.003 wt% 이하, S 및 Se 를 합계하여 0.003 wt% 이하, N 을 0.003 wt% 이하, Al 을 0.002 wt% 이하, Ti 를 0.003 wt% 이하로 저감하고,잔부는 기타 불가피적 불순물 및 Fe 로 이루어지는 것을 특징으로 하는 매우 철손이 낮은 방향성 전자강판.
- 제 1 항 또는 제 2 항에 있어서, 제품강판표면에 압연방향과 교차하는 방향으로 폭 : 50 ∼ 1000 ㎛, 깊이 : 10 ∼ 50 ㎛ 의 홈을 구비하는 것을 특징으로 하는 매우 철손이 낮은 방향성 전자강판.
- 제 1 항 또는 제 2 항에 있어서, 입경 2 ㎜ 이하의 결정립을 인공적으로 배치하여 이루어지는 것을 특징으로 하는 매우 철손이 낮은 방향성 전자강판.
- 제 1 항 또는 제 2 항에 있어서, 강판표면이 경면상태 혹은 결정방위 강조처리를 실시한 강판표면으로서,이 강판표면상에 간접적 혹은 직접적으로 마지막 코팅이 실시되는 것을 특징으로 하는 매우 철손이 낮은 방향성 전자강판.
- C 를 0.02 ∼ 0.10 wt%, Si 를 1.5 ∼ 7.0 wt%,인히비터 원소로서 Al 을 0.010 ∼ 0.040 wt% 및/또는 B 를 0.0003 ∼ 0.040 wt%, S 및 Se 를 단독 혹은 복합으로 0.005 ∼ 0.025 wt%, N 을 0.0010 ∼ 0.0100 wt% 함유하고,인히비터 보조원소로서 Mn, Cu, Sb, Sn, Ge, Bi, V, Nb, Cr, Te 및 Mo 를 단독 혹은 2 종 이상의 합계로 0.005 ∼ 2.5 wt%, P 를 0.30 wt% 이하로 함유하고,Ni 를 더 함유하며, 잔부는 기타 불가피적 불순물과 Fe 로 이루어지는 강슬래브를 1300 ℃ 이상으로 가열하여 열간압연을 실시하고, 1 회 혹은 복수회의 냉간압연으로 최종 판두께로 한 후, 탈탄 어닐링 후, 최종 마무리 어닐링을 실시하는 일련의 방향성 전자강판의 제조방법에 있어서,이 슬래브 성분에 있어서,Ni 함유량 : Y (wt%), Sb 함유량 : X (wt%) 및 C 함유량 Z (wt%) 로서,0.02 ≤ Y ≤ 1.0, 5(X-0.05) ≤ Y ≤ 10X0.02 ≤ Z ≤ 0.10, -0.6X + 0.06 ≤ Z ≤ -0.6X + 0.11 의 각식을 만족시키고,열간압연 종료온도를 900 ℃ 이상 1150 ℃ 이하로 하고,열간압연후의 최초 어닐링에서 700 ∼ 900 ℃ 사이의 승온속도를 2 ∼ 30 ℃/s 로 하고,최종 마무리 어닐링의 승온과정에 있어서, 적어도 900 ℃ 부터는 분위기 중에 H2를 함유시키고, 적어도 1000 ℃ 까지 분위기 중에 N2를 함유시키는 것을 특징으로 하는 매우 철손이 낮은 방향성 전자강판의 제조방법.
- 제 6 항에 있어서, 최종 냉간압연 이후에 강판표면에 홈을 형성시키는 처리를 하는 것을 특징으로 하는 매우 철손이 낮은 방향성 전자강판의 제조방법.
- 제 6 항 또는 제 7 항에 있어서, 최종 마무리 어닐링 후, 경면화처리 혹은결정방위 강조처리를 하고, 이 처리공정 후, 마지막 코팅을 실시하는 것을 특징으로 하는 매우 철손이 낮은 방향성 전자강판의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP97-73300 | 1997-03-26 | ||
JP7330097 | 1997-03-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980080664A KR19980080664A (ko) | 1998-11-25 |
KR100336661B1 true KR100336661B1 (ko) | 2002-07-18 |
Family
ID=13514184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019980010335A KR100336661B1 (ko) | 1997-03-26 | 1998-03-25 | 매우철손이낮은방향성전자강판과그제조방법 |
Country Status (5)
Country | Link |
---|---|
US (2) | US6103022A (ko) |
EP (1) | EP0869190B1 (ko) |
KR (1) | KR100336661B1 (ko) |
BR (1) | BR9800978A (ko) |
DE (1) | DE69809323T2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20170074478A (ko) * | 2015-12-22 | 2017-06-30 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
Families Citing this family (21)
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KR19990088437A (ko) | 1998-05-21 | 1999-12-27 | 에모또 간지 | 철손이매우낮은고자속밀도방향성전자강판및그제조방법 |
DE69913624T2 (de) * | 1998-09-18 | 2004-06-09 | Jfe Steel Corp. | Kornorientieres Siliziumstahlblech und Herstellungsverfahren dafür |
US6309473B1 (en) | 1998-10-09 | 2001-10-30 | Kawasaki Steel Corporation | Method of making grain-oriented magnetic steel sheet having low iron loss |
USRE39482E1 (en) * | 1998-10-09 | 2007-02-06 | Jfe Steel Corporation | Method of making grain-oriented magnetic steel sheet having low iron loss |
KR100658408B1 (ko) | 1998-10-27 | 2006-12-15 | 제이에프이 스틸 가부시키가이샤 | 가공성과 자기특성이 양호한 전자강판 및 그 제조방법 |
JP2002220642A (ja) * | 2001-01-29 | 2002-08-09 | Kawasaki Steel Corp | 鉄損の低い方向性電磁鋼板およびその製造方法 |
CN1252304C (zh) * | 2003-11-27 | 2006-04-19 | 林栋樑 | 高硅钢及其制备方法 |
KR101340223B1 (ko) * | 2008-12-16 | 2013-12-10 | 신닛테츠스미킨 카부시키카이샤 | 방향성 전자기 강판 및 그 제조 방법 |
EP2460902B1 (en) * | 2009-07-31 | 2016-05-04 | JFE Steel Corporation | Grain-oriented magnetic steel sheet |
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 |
WO2012001971A1 (ja) * | 2010-06-30 | 2012-01-05 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
RU2562182C2 (ru) | 2011-01-12 | 2015-09-10 | Ниппон Стил Энд Сумитомо Метал Корпорейшн | Лист из электротехнической стали с ориентированной зеренной структурой и способ его получения |
EP2775007B1 (en) | 2013-03-08 | 2018-12-05 | Voestalpine Stahl GmbH | A process for the production of a grain-oriented electrical steel |
CN103774042B (zh) * | 2013-12-23 | 2016-05-25 | 钢铁研究总院 | 一种薄板坯连铸连轧高磁感取向硅钢及其制备方法 |
CN104120233A (zh) * | 2014-07-02 | 2014-10-29 | 东北大学 | 一次轧制制备取向高硅钢板的方法 |
KR101707451B1 (ko) * | 2015-12-22 | 2017-02-16 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
CN108660303B (zh) | 2017-03-27 | 2020-03-27 | 宝山钢铁股份有限公司 | 一种耐消除应力退火的激光刻痕取向硅钢及其制造方法 |
KR102249920B1 (ko) * | 2018-09-27 | 2021-05-07 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
EP3654355A1 (de) | 2018-11-14 | 2020-05-20 | Siemens Aktiengesellschaft | Elektroblech mit strukturierter oberfläche zur domänenverfeinerung |
CN111020150B (zh) * | 2019-08-14 | 2021-03-09 | 钢铁研究总院 | 一种低温分步式退火制备超薄硅钢的方法 |
MX2022002590A (es) * | 2019-09-06 | 2022-03-25 | Jfe Steel Corp | Lamina de acero electrico de grano orientado y metodo de produccion de la misma. |
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EP0345936B1 (en) * | 1988-06-10 | 1995-08-30 | Allegheny Ludlum Corporation | Method of refining magnetic domains of electrical steels |
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JP3399969B2 (ja) * | 1992-01-10 | 2003-04-28 | 川崎製鉄株式会社 | 磁気特性の優れた方向性電磁鋼板の製造方法 |
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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 |
JP3470475B2 (ja) * | 1995-11-27 | 2003-11-25 | Jfeスチール株式会社 | 極めて鉄損の低い方向性電磁鋼板とその製造方法 |
US5885371A (en) * | 1996-10-11 | 1999-03-23 | Kawasaki Steel Corporation | Method of producing grain-oriented magnetic steel sheet |
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1998
- 1998-03-20 BR BR9800978-8A patent/BR9800978A/pt not_active IP Right Cessation
- 1998-03-24 US US09/046,904 patent/US6103022A/en not_active Expired - Lifetime
- 1998-03-25 DE DE69809323T patent/DE69809323T2/de not_active Expired - Lifetime
- 1998-03-25 EP EP98105426A patent/EP0869190B1/en not_active Expired - Lifetime
- 1998-03-25 KR KR1019980010335A patent/KR100336661B1/ko not_active IP Right Cessation
-
2000
- 2000-04-11 US US09/548,085 patent/US6364963B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170074478A (ko) * | 2015-12-22 | 2017-06-30 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
KR102177523B1 (ko) | 2015-12-22 | 2020-11-11 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
US10907231B2 (en) | 2015-12-22 | 2021-02-02 | Posco | Grain-oriented electrical steel sheet and manufacturing method therefor |
Also Published As
Publication number | Publication date |
---|---|
DE69809323D1 (de) | 2002-12-19 |
EP0869190A1 (en) | 1998-10-07 |
US6103022A (en) | 2000-08-15 |
US6364963B1 (en) | 2002-04-02 |
EP0869190B1 (en) | 2002-11-13 |
DE69809323T2 (de) | 2003-03-20 |
BR9800978A (pt) | 2000-05-16 |
KR19980080664A (ko) | 1998-11-25 |
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