JP4280223B2 - 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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- JP4280223B2 JP4280223B2 JP2004320757A JP2004320757A JP4280223B2 JP 4280223 B2 JP4280223 B2 JP 4280223B2 JP 2004320757 A JP2004320757 A JP 2004320757A JP 2004320757 A JP2004320757 A JP 2004320757A JP 4280223 B2 JP4280223 B2 JP 4280223B2
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Description
(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、N:0.005%以下、Ti:0.0015%超0.02%以下、REM:0.05%以下、S:0.005%以下、O: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り、かつ、[S]で示されたSの質量%と、[O]で示されたOの質量%と、[REM]で示されたREMの質量%と、[Ti]で示されたTiの質量%と、[N]で示されたNの質量%が、[1式]ならびに[2式]を満たすことを特徴とする無方向性電磁鋼板。
[REM]2×[O]2×[S]≧1×10-15 [1式]
([REM]2×[O]2×[S])÷([Ti]×[N])≧1×10-10 [2式]
[REM]2×[O]2×[S]≧1×10-15 [1式]
([REM]2×[O]2×[S])÷([Ti]×[N])≧1×10-10 [2式]
[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、N:0.005%以下、Ti:0.0015%超0.02%以下、REM:0.05%以下、S:0.005%以下、O: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り、かつ、[S]で示されたSの質量%と、[O]で示されたOの質量%と、[REM]で示されたREMの質量%と、[Ti]で示されたTiの質量%と、[N]で示されたNの質量%が、[1式]ならびに[2式]を満たすことを特徴とする無方向性電磁鋼板。
[REM]2×[O]2×[S]≧1×10-15 [1式]
([REM]2×[O]2×[S])÷([Ti]×[N])≧1×10-10 [2式]
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004320757A JP4280223B2 (ja) | 2004-11-04 | 2004-11-04 | 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. |
CN2005800375660A CN101052735B (zh) | 2004-11-04 | 2005-09-28 | 铁损优良的无方向性电磁钢板 |
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 |
KR1020077010067A KR100912974B1 (ko) | 2004-11-04 | 2005-09-28 | 저철손 무방향성 전자기 강판 |
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 |
US11/666,844 US7662242B2 (en) | 2004-11-04 | 2005-09-28 | Non-oriented electrical steel superior in core loss |
TW094134240A TWI279447B (en) | 2004-11-04 | 2005-09-30 | Non-oriented electrical steel sheet excellent in core loss |
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JP2004320757A JP4280223B2 (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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JP2006131939A JP2006131939A (ja) | 2006-05-25 |
JP4280223B2 true JP4280223B2 (ja) | 2009-06-17 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4648910B2 (ja) * | 2006-10-23 | 2011-03-09 | 新日本製鐵株式会社 | 磁気特性の優れた無方向性電磁鋼板の製造方法 |
JP5098430B2 (ja) * | 2007-05-17 | 2012-12-12 | 新日鐵住金株式会社 | 打ち抜き加工性と鉄損に優れた無方向性電磁鋼板および製造方法 |
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 |
JP5423616B2 (ja) * | 2009-09-14 | 2014-02-19 | 新日鐵住金株式会社 | 磁気特性に優れた無方向性電磁鋼板の製造方法および無方向性電磁鋼板製造用の鋳造鋼帯の製造方法 |
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