JP4280224B2 - 鉄損に優れた無方向性電磁鋼板 - Google Patents
鉄損に優れた無方向性電磁鋼板 Download PDFInfo
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(1)質量%で、C:0.01%以下、Si:0.1%以上7.0%以下、Al:0.1%以上3.0%以下、Mn:0.1%以上2.0%以下、Ti:0.0016%以上0.02%以下、REM:0.00075%以上0.05%以下、N:0.005%以下、S:0.005%以下を含有し、残部が鉄および不可避的不純物からなる無方向性電磁鋼板であって、亀裂ないし破面を有する径1μm以上5μm以下の含REM介在物を含有し、かつ、亀裂ないし破面を有する径1μm以上5μm以下の含REM介在物のうちTiNと結合している介在物数の割合が5%以上であり、さらに、[REM]で示されたREMの質量%と、[Ti]で示されたTiの質量%が、[REM]÷[Ti]≧0.5を満たすことを特徴とする無方向性電磁鋼板。
[C]:Cは、磁気特性に有害となるばかりか、Cの析出による磁気時効が著しくなるので、上限を0.01質量%とした。下限は0質量%を含む。
Claims (1)
- 質量%で、C:0.01%以下、Si:0.1%以上7.0%以下、Al:0.1%以上3.0%以下、Mn:0.1%以上2.0%以下、Ti:0.0016%以上0.02%以下、REM:0.00075%以上0.05%以下、N:0.005%以下、S:0.005%以下を含有し、残部が鉄および不可避的不純物からなる無方向性電磁鋼板であって、亀裂ないし破面を有する径1μm以上5μm以下の含REM介在物を含有し、かつ、亀裂ないし破面を有する径1μm以上5μm以下の含REM介在物のうちTiNと結合している介在物数の割合が5%以上であり、さらに、[REM]で示されたREMの質量%と、[Ti]で示されたTiの質量%が、[REM]÷[Ti]≧0.5を満たすことを特徴とする無方向性電磁鋼板。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004320804A JP4280224B2 (ja) | 2004-11-04 | 2004-11-04 | 鉄損に優れた無方向性電磁鋼板 |
KR1020077010067A KR100912974B1 (ko) | 2004-11-04 | 2005-09-28 | 저철손 무방향성 전자기 강판 |
CN2005800375660A CN101052735B (zh) | 2004-11-04 | 2005-09-28 | 铁损优良的无方向性电磁钢板 |
PCT/JP2005/018392 WO2006048989A1 (ja) | 2004-11-04 | 2005-09-28 | 鉄損に優れた無方向性電磁鋼板 |
DE602005027481T DE602005027481D1 (de) | 2004-11-04 | 2005-09-28 | Nichtorientiertes elektrostahlblech mit hervorragendem eisenverlust. |
US11/666,844 US7662242B2 (en) | 2004-11-04 | 2005-09-28 | Non-oriented electrical steel superior in core loss |
EP05790122A EP1816226B1 (en) | 2004-11-04 | 2005-09-28 | Non-oriented electrical steel sheet superior in core loss. |
RU2007120509/02A RU2362829C2 (ru) | 2004-11-04 | 2005-09-28 | Нетекстурированный электротехнический стальной лист, улучшенный по потерям в сердечнике |
TW094134240A TWI279447B (en) | 2004-11-04 | 2005-09-30 | Non-oriented electrical steel sheet excellent in core loss |
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JP2004320804A JP4280224B2 (ja) | 2004-11-04 | 2004-11-04 | 鉄損に優れた無方向性電磁鋼板 |
Publications (2)
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JP2006131943A JP2006131943A (ja) | 2006-05-25 |
JP4280224B2 true JP4280224B2 (ja) | 2009-06-17 |
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JP (1) | JP4280224B2 (ja) |
CN (1) | CN101052735B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4431185B2 (ja) | 2008-06-13 | 2010-03-10 | 新日本製鐵株式会社 | 伸びフランジ性と疲労特性に優れた高強度鋼板およびその溶鋼の溶製方法 |
JP4510911B2 (ja) * | 2008-07-24 | 2010-07-28 | 新日本製鐵株式会社 | 高周波用無方向性電磁鋼鋳片の製造方法 |
CN102348826B (zh) * | 2009-03-13 | 2014-03-12 | 新日铁住金株式会社 | 无方向性电磁钢板及其制造方法 |
CN102459675B (zh) * | 2009-06-03 | 2016-06-01 | 新日铁住金株式会社 | 无方向性电磁钢板及其制造方法 |
WO2013121924A1 (ja) * | 2012-02-14 | 2013-08-22 | 新日鐵住金株式会社 | 無方向性電磁鋼板 |
JP2014185365A (ja) * | 2013-03-22 | 2014-10-02 | Jfe Steel Corp | 高周波鉄損特性に優れる無方向性電磁鋼板 |
KR101701194B1 (ko) * | 2015-12-23 | 2017-02-01 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
CN111074175A (zh) * | 2019-12-31 | 2020-04-28 | 江苏新华合金有限公司 | 一种FeAl4棒材及其生产工艺 |
CN115584437B (zh) * | 2022-09-29 | 2024-01-30 | 马鞍山钢铁股份有限公司 | 一种高强度高磁感的热轧磁轭钢及生产方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5730810A (en) * | 1994-04-22 | 1998-03-24 | Kawasaki Steel Corporation | Non-oriented electromagnetic steel sheet with low iron loss after stress relief annealing, and core of motor or transformer |
JP3458683B2 (ja) * | 1997-11-28 | 2003-10-20 | Jfeスチール株式会社 | 歪取り焼鈍後の磁気特性に優れる無方向性電磁鋼板の製造方法 |
WO2001098550A1 (fr) * | 2000-06-19 | 2001-12-27 | Nkk Corporation | Feuille d'acier electromagnetique non orientee et son procede de production |
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2004
- 2004-11-04 JP JP2004320804A patent/JP4280224B2/ja active Active
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- 2005-09-28 CN CN2005800375660A patent/CN101052735B/zh active Active
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CN101052735A (zh) | 2007-10-10 |
CN101052735B (zh) | 2011-07-06 |
JP2006131943A (ja) | 2006-05-25 |
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