KR100523770B1 - 자기 특성이 우수한 일방향성 전자 강판 및 그 제조 방법 - Google Patents
자기 특성이 우수한 일방향성 전자 강판 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100523770B1 KR100523770B1 KR10-2003-0034602A KR20030034602A KR100523770B1 KR 100523770 B1 KR100523770 B1 KR 100523770B1 KR 20030034602 A KR20030034602 A KR 20030034602A KR 100523770 B1 KR100523770 B1 KR 100523770B1
- Authority
- KR
- South Korea
- Prior art keywords
- iron loss
- steel sheet
- rolling direction
- layer
- electrical steel
- Prior art date
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
Claims (4)
- 강판의 한 쪽면 혹은 양면에, 압연 방향으로 대략 수직으로, 또한 일정 주기로 레이저 빔을 조사하여 선형의 용융 재응고층을 형성하여 철손 특성을 개선한 일방향성 전자 강판에 있어서, 용융 재응고층 단면의 압연 방향 폭을 W, 깊이를 d, 압연 방향 피치를 PL이라 했을 때, 이하의 조건을 모두 충족시키는 것을 특징으로 하는 자기 특성이 우수한 일방향성 전자 강판.30 ㎛ ≤ W ≤ 200 ㎛d ≥ 15 ㎛d/W ≥ 0.22 ㎜ ≤ PL ≤ 4 ㎜
- 삭제
- 삭제
- 레이저 장치를 연속 발진 파이버 레이저로부터 출력되는 레이저 빔으로 하여 청구항 제1항의 자기 특성이 우수한 일방향성 전자 강판을 제조하는 방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2002-00159823 | 2002-05-31 | ||
JP2002159823 | 2002-05-31 | ||
JPJP-P-2003-00109227 | 2003-04-14 | ||
JP2003109227A JP4398666B2 (ja) | 2002-05-31 | 2003-04-14 | 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030094030A KR20030094030A (ko) | 2003-12-11 |
KR100523770B1 true KR100523770B1 (ko) | 2005-10-26 |
Family
ID=29422473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0034602A KR100523770B1 (ko) | 2002-05-31 | 2003-05-30 | 자기 특성이 우수한 일방향성 전자 강판 및 그 제조 방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7045025B2 (ko) |
EP (1) | EP1367140B1 (ko) |
JP (1) | JP4398666B2 (ko) |
KR (1) | KR100523770B1 (ko) |
CN (1) | CN1247801C (ko) |
DE (1) | DE60310305T2 (ko) |
TW (1) | TWI227739B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11318562B2 (en) | 2016-12-22 | 2022-05-03 | Posco | Grain-oriented electrical steel sheet and magnetic domain refinement method therefor |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1607487B1 (en) * | 2003-03-19 | 2016-12-21 | Nippon Steel & Sumitomo Metal Corporation | Manufacturing method of a grain-oriented magnetic steel sheet excellent in magnetic characteristics |
TWI305548B (en) * | 2005-05-09 | 2009-01-21 | Nippon Steel Corp | Low core loss grain-oriented electrical steel sheet and method for producing the same |
JP5000182B2 (ja) * | 2006-04-07 | 2012-08-15 | 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 |
KR101006553B1 (ko) * | 2008-09-22 | 2011-01-07 | 차승호 | 무 동력식 액상음료 배출기 |
KR101066584B1 (ko) * | 2008-12-26 | 2011-09-22 | 주식회사 포스코 | 레이저를 이용한 방향성/무방향성 전기강판 제조방법 및 레이저를 이용한 전기강판 집합조직 제어 방법 |
KR101141283B1 (ko) * | 2009-12-04 | 2012-05-04 | 주식회사 포스코 | 저철손 고자속밀도 방향성 전기강판 |
EP2799561B1 (en) * | 2011-12-27 | 2019-11-27 | JFE Steel Corporation | Device to improve iron loss properties of grain-oriented electrical steel sheet |
US9761359B2 (en) * | 2012-02-23 | 2017-09-12 | Jfe Steel Corporation | Method of producing electrical steel sheet |
JP5928607B2 (ja) * | 2012-11-26 | 2016-06-01 | 新日鐵住金株式会社 | 方向性電磁鋼板及び方向性電磁鋼板の製造方法 |
KR101719231B1 (ko) | 2014-12-24 | 2017-04-04 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
TWI632959B (zh) * | 2015-07-29 | 2018-08-21 | 日商新日鐵住金股份有限公司 | Titanium composite and titanium for hot rolling |
KR102100946B1 (ko) | 2015-07-29 | 2020-04-14 | 닛폰세이테츠 가부시키가이샤 | 티탄 복합재 및 열간 압연용 티탄재 |
WO2017018515A1 (ja) * | 2015-07-29 | 2017-02-02 | 新日鐵住金株式会社 | 熱間圧延用チタン材 |
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 |
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 |
CN110093486B (zh) | 2018-01-31 | 2021-08-17 | 宝山钢铁股份有限公司 | 一种耐消除应力退火的低铁损取向硅钢的制造方法 |
DE102020000518B3 (de) * | 2020-01-25 | 2021-04-22 | MOEWE Optical Solutions GmbH | Einrichtung zur großflächigen Laserbearbeitung zur Kornorientierung von Elektroblechen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2062972B (en) * | 1979-10-19 | 1983-08-10 | Nippon Steel Corp | Iron core for electrical machinery and apparatus and well as method for producing the iron core |
US4724015A (en) * | 1984-05-04 | 1988-02-09 | Nippon Steel Corporation | Method for improving the magnetic properties of Fe-based amorphous-alloy thin strip |
GB2168626B (en) * | 1984-11-10 | 1987-12-23 | Nippon Steel Corp | Grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same |
JPS6344804A (ja) | 1986-08-13 | 1988-02-25 | 井関農機株式会社 | 対地作業機のミツクスコントロ−ル装置 |
US4780155A (en) * | 1987-05-08 | 1988-10-25 | Allegheny Ludlum Corporation | Capacitive electrical discharge scribing for improving core loss of grain-oriented silicon steel |
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 |
JP2647322B2 (ja) * | 1993-01-11 | 1997-08-27 | 新日本製鐵株式会社 | 低鉄損方向性電磁鋼板およびその製造方法 |
EP0662520B1 (en) * | 1993-12-28 | 2000-05-31 | Kawasaki Steel Corporation | Low-iron-loss grain-oriented electromagnetic steel sheet and method of producing the same |
JP3152554B2 (ja) * | 1994-02-04 | 2001-04-03 | 新日本製鐵株式会社 | 磁気特性の優れた電磁鋼板 |
JPH07331333A (ja) * | 1994-06-03 | 1995-12-19 | Kawasaki Steel Corp | 鉄損特性に優れた方向性電磁鋼板およびその製造方法 |
EP0870843A1 (en) * | 1995-12-27 | 1998-10-14 | Nippon Steel Corporation | Magnetic steel sheet having excellent magnetic properties and method for manufacturing the same |
DE69835923T2 (de) * | 1997-01-24 | 2007-09-13 | Nippon Steel Corp. | Verfahren und vorrichtung zur herstellung von kornorientiertem stahlblech mit hervorragenden magnetischen eigenschaften |
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 |
EP1149924B1 (en) * | 2000-04-24 | 2009-07-15 | Nippon Steel Corporation | Grain-oriented electrical steel sheet excellent in magnetic properties |
-
2003
- 2003-04-14 JP JP2003109227A patent/JP4398666B2/ja not_active Expired - Fee Related
- 2003-05-27 DE DE60310305T patent/DE60310305T2/de not_active Expired - Lifetime
- 2003-05-27 EP EP03011166A patent/EP1367140B1/en not_active Expired - Lifetime
- 2003-05-30 KR KR10-2003-0034602A patent/KR100523770B1/ko active IP Right Grant
- 2003-05-30 US US10/448,754 patent/US7045025B2/en not_active Expired - Lifetime
- 2003-05-30 TW TW092114802A patent/TWI227739B/zh active
- 2003-06-02 CN CNB031379931A patent/CN1247801C/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11318562B2 (en) | 2016-12-22 | 2022-05-03 | Posco | Grain-oriented electrical steel sheet and magnetic domain refinement method therefor |
US11772199B2 (en) | 2016-12-22 | 2023-10-03 | Posco | Grain-oriented electrical steel sheet and magnetic domain refinement method therefor |
Also Published As
Publication number | Publication date |
---|---|
DE60310305T2 (de) | 2007-04-12 |
EP1367140A1 (en) | 2003-12-03 |
TWI227739B (en) | 2005-02-11 |
DE60310305D1 (de) | 2007-01-25 |
US7045025B2 (en) | 2006-05-16 |
JP2004056090A (ja) | 2004-02-19 |
JP4398666B2 (ja) | 2010-01-13 |
CN1247801C (zh) | 2006-03-29 |
EP1367140B1 (en) | 2006-12-13 |
US20040040629A1 (en) | 2004-03-04 |
TW200400271A (en) | 2004-01-01 |
CN1475583A (zh) | 2004-02-18 |
KR20030094030A (ko) | 2003-12-11 |
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