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71. 发明专利

JP2003293100A Nonoriented magnetic steel sheet having excellent magnetic property after stress relieving annealing 有权
标题翻译：非线性磁性钢板在应力退火后具有优异的磁性能
公开(公告)号：JP2003293100A
公开(公告)日：2003-10-15
申请号：JP2002099635
申请日：2002-04-02
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： FUJITA AKIO , KONO MASAAKI , KOMORI YUKA , KONO MASAKI
IPC分类号： C22C38/00 , C22C38/06 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a nonoriented magnetic steel sheet of which oxidation on stress relieving annealing in users can be suppressed, and which has low magnetism particularly in iron loss after the stress relieving annealing. SOLUTION: The nonoriented magnetic steel sheet contains, by mass, ≤0.005% C, 1.0 to 3.5% Si, 0.7 to 3.0% Al, ≤0.1% P and ≤0.0030% S, has a Vickers hardness of ≤210 HV1, and mean crystal grain size of ≥80 μm. The surface layer in the range from the surface of the steel sheet only to ≤0.5 μm is provided with an optimized concentrated layer of Al. COPYRIGHT: (C)2004,JPO
摘要翻译：解决的问题：提供一种能够抑制使用者的减轻应力消除退火的非取向磁性钢板，特别是在应力消除退火后的铁损中具有低磁性。解决方案：非取向磁性钢板以质量％计含有0.03％的Si，1.0〜3.5％的Si，0.7〜3.0％的Al，≤0.1％的P和≤0.0030％的S，维氏硬度为≤210HV1 ，平均晶粒尺寸≥80μm。在从钢板表面到≤0.5μm的范围内的表面层设置有优化的Al的浓缩层。版权所有（C）2004，JPO

72. 发明专利

JP2008231504A Non-oriented electromagnetic steel sheet 有权
标题翻译：非对称电磁钢板
公开(公告)号：JP2008231504A
公开(公告)日：2008-10-02
申请号：JP2007072358
申请日：2007-03-20
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , KONO MASAAKI , OKUBO TOMOYUKI
IPC分类号： C22C38/00 , C22C38/60 , H01F1/147 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented electromagnetic steel sheet which can stably realize an effect of reducing high-frequency iron loss due to the addition of Mn. SOLUTION: The non-oriented electromagnetic steel sheet comprises, by mass%, 0.005% or less C, 1.5 to 4% Si, 1 to 5% Mn, 0.1% or less P, 0.005% or less S, 3% or less Al, 0.005% or less N; further 0.0010% or less Se; or 0.0020% or less Se, 0.0005 to 0.007% Ca; or 0.0020% or less Se, 0.0003 to 0.005% Mg; and the balance Fe with unavoidable impurities. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够稳定地实现由于添加Mn而降低高频铁损的效果的无取向电磁钢板。解决方案：无方向性电磁钢板以质量％计含有C：0.005％以下，Si：1.5〜4％，Mn：1〜5％，P：0.1％以下，S：0.005％以下，S：3％或更少的Al，0.005％以下的N; Se 0.00％以下; 或0.0020％以下的Se，0.0005〜0.007％的Ca; 或0.0020％以下的Se，0.0003〜0.005％的Mg; 余量为Fe与不可避免的杂质。版权所有（C）2009，JPO＆INPIT

73. 发明专利

JP2007186791A High strength non-oriented electrical steel sheet and method for manufacture the same 有权
标题翻译：高强度非定向电工钢板及其制造方法
公开(公告)号：JP2007186791A
公开(公告)日：2007-07-26
申请号：JP2006338644
申请日：2006-12-15
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KONO MASAAKI , ODA YOSHIHIKO , OKUBO TOMOYUKI
IPC分类号： C22C38/00 , B21B1/22 , B21B3/02 , C21D8/12 , C22C38/14 , C22C38/60 , H01F1/16
CPC分类号： Y02T10/6295
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented electrical steel sheet which has a high strength, excellent magnetic properties and fatigue properties, and also is excellent in productivity. SOLUTION: The steel sheet has a steel composition containing 0.010% by mass or less of C and 0.010% by mass or less of N, provided that C+N≤0.010% by mass, and also containing >3.5 to 5.0% by mass of Si, 3.0% by mass or less of Mn, 3.0% by mass or less of Al, 0.2% by mass or less of P, 0.01% by mass or less of S, and one or more kinds selected from Ti and V of 0.01 to 0.8% by mass in total, provided that (Ti+V)/(C+N)≥16, and the balance Fe with inevitable impurities. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高强度，优异的磁特性和疲劳性能的非取向电工钢板，并且也具有优异的生产率。解决方案：如果C +N≤0.010质量％，并且还含有> 3.5〜5.0质量％的钢，则钢板的组成为含有0.010质量％以下的C和0.010质量％以下的N，的Si，3.0质量％以下的Mn，3.0质量％以下的Al，0.2质量％以下的P，0.01质量％以下的S，以及选自Ti和（Ti + V）/（C + N）≥16，余量为Fe与不可避免的杂质的总量为0.01〜0.8质量％。版权所有（C）2007，JPO＆INPIT

74. 发明专利

JP2007023322A Method for producing insulating film-coated electromagnetic steel sheet having excellent appearance 审中-公开
标题翻译：生产具有优异外观的绝缘薄膜电磁钢板的方法
公开(公告)号：JP2007023322A
公开(公告)日：2007-02-01
申请号：JP2005205298
申请日：2005-07-14
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SASHI KAZUMICHI , KOMORI YUKA , KONO MASAAKI
IPC分类号： C23C22/00 , B05D7/14 , C23C22/74 , C23G1/08
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a chromium-free insulating film-coated electromagnetic steel sheet having excellent appearance by heat treatment in a short time after phosphoric acid pickling treatment.
SOLUTION: In the method for producing an insulating film-coated electromagnetic steel sheet where a treatment liquid for forming a chromium-free film is applied to the surface of a steel sheet, and, thereafter, baking is performed, so as to form an insulating film, before the treatment liquid for film formation is applied, the surface of the steel sheet is subjected to phosphoric acid pickling treatment, and water vapor under the pressure of ≥0.1 MPa and/or boiling water heated at ≥60°C is jetted thereon.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种在磷酸酸洗处理后的短时间内通过热处理具有优异外观的无铬绝缘膜涂覆电磁钢板的制造方法。解决方案：在将用于形成无铬膜的处理液施加到钢板表面的绝缘膜涂覆电磁钢板的制造方法中，然后进行烘烤，以便形成绝缘膜，在施加用于成膜的处理液之前，对钢板的表面进行磷酸酸洗处理，在≥0.1MPa的压力和/或加热至≥60℃的沸水中进行水蒸气被喷射在其上。版权所有（C）2007，JPO＆INPIT

75. 发明专利

JP2006169577A Method for producing semi-process non-oriented magnetic steel sheet with excellent iron-loss characteristic 审中-公开
标题翻译：用于生产具有优异铁损特性的半导体非磁性磁钢板的方法
公开(公告)号：JP2006169577A
公开(公告)日：2006-06-29
申请号：JP2004362589
申请日：2004-12-15
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TAKASHIMA MINORU , KONO MASAAKI
IPC分类号： C21D8/12 , B21B1/02 , B21B1/46 , B21B3/02 , B22D11/12 , C22C38/00 , C22C38/06 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a semi-process non-oriented magnetic steel sheet with excellent iron-loss characteristic. SOLUTION: This semi-process non-oriented magnetic steel sheet is produced by preparing the molten steel by melting, which is composed of, by mass%, ≤0.04% C, COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种具有优异的铁损特性的半过程非取向电磁钢板的制造方法。解决方案：该半成品非取向性电磁钢板是通过以质量％计≤0.04％C，<3.0％Si + Al，≤2.0％Mn ，≤0.2％P，连续铸造成板坯，再加热后进行热轧，进行冷轧，成型板厚度，然后进行精加工退火。然后，在这种情况下，在从钢水的凝固完成到板坯的再加热的开始（例如锻造压制和/或轧制）的板坯的平均温度为700-1,300℃的温度范围内，进行赋予板坯的应变量为1.0〜30％的应变赋予工序。此外，在钢水凝固到应变赋予工序之后的期间，可以在700-1,300℃的温度范围内加热板坯。版权所有（C）2006，JPO＆NCIPI

76. 发明专利

JP2005256085A Treatment liquid curable at low temperature and superior in storage stability for forming chromic-acid-based insulating layer on electromagnetic steel sheet, and elctromagnetic steel sheet with chromic-acid-based insulating layer 有权
标题翻译：处理液体在低温和高温下在电磁钢板上形成基于铬酸盐的绝缘层的储存稳定性和具有基于铬酸盐的绝缘层的电镀钢板
公开(公告)号：JP2005256085A
公开(公告)日：2005-09-22
申请号：JP2004069201
申请日：2004-03-11
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOMORI YUKA , KONO MASAAKI , KONO MASAKI , SASHI KAZUMICHI
IPC分类号： C23C22/00
摘要： PROBLEM TO BE SOLVED: To provide a treatment liquid having a good balance between low-temperature curability of a chromic-acid-based insulating layer and storage stability of the coating liquid, for forming the chromic-acid-based insulating layer on an electromagnetic steel sheet.
SOLUTION: The treatment liquid comprises, with respect to 100 pts.wt. of chromic acid (in CrO
3 terms), 1 to 60 pts.wt. of a compound including one or more metals selected from groups IIIA and IIIB in the periodic table in terms of the total metal amount, 150 pts.wt. of a resin solid content, 5 to 100 pts.wt. of a reducing agent, and 5 to 100 pts.wt. of carboxylic acid or carboxylate in COOH terms.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供在铬酸类绝缘层的低温固化性和涂布液的储存稳定性之间具有良好平衡的处理液，用于将铬酸类绝缘层形成在电磁钢板。解决方案：处理液相对于100重量份的铬酸（CrO 3 SB 3），1〜60重量份的包括一种或多种选自元素周期表中IIIA和IIIB族的金属的化合物的总金属量为150重量份。的树脂固含量为5〜100重量份的还原剂，和5至100重量份的羧酸或羧酸盐。版权所有（C）2005，JPO＆NCIPI

77. 发明专利

JP2005240150A Method for manufacturing high-strength non-oriented silicon steel sheet of low iron loss 有权
标题翻译：制造低铁损高强度非导电硅钢板的方法
公开(公告)号：JP2005240150A
公开(公告)日：2005-09-08
申请号：JP2004054285
申请日：2004-02-27
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YAMADA KATSUMI , SATO KAORU , KONO MASAAKI
IPC分类号： C21D9/46 , C22C38/00 , C22C38/16 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a non-oriented silicon steel sheet compatibly having excellent magnetic characteristic and high strength in an industrially stable manner. SOLUTION: In the manufacturing method, a slab having a composition consisting of, by mass, ≤0.01% C, ≤4.5% Si, ≤3% Mn, ≤3% Al, ≤0.5% P, ≤5% Ni, ≥0.35% and ≤4% Cu, and the balance Fe with inevitable impurities is subjected to hot rolling, and successively cold rolling to realize the product thickness, and further subjected to the finish annealing at a temperature of ≥800°C and ≤1,100°C, and still further subjected to the two-stage aging, i.e., being maintained in the temperature range of 350-400°C for at least one hour, and successively maintained in the temperature range of 450-550°C for 0.5-5 hours. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种以工业上稳定的方式制造具有优异的磁特性和高强度的非取向硅钢板的方法。解决方案：在制造方法中，具有由质量≤0.01％C，≤4.5％Si，≤3％Mn，≤3％Al，≤0.5％P，≤5％Ni组成的板坯，≥0.35％和≤4％的Cu，余量为Fe的不可避免的杂质进行热轧，连续冷轧实现产品厚度，进一步在≥800℃的温度下进行最终退火，≤ 1100℃，进一步进行两段时效，即在350〜400℃的温度范围内保持至少1小时，并依次保持在450-550℃的温度范围内0.5 -5个小时。版权所有（C）2005，JPO＆NCIPI

78. 发明专利

JP2005120424A Nonoriented silicon steel sheet excellent in corrosion resistance after heat treated, and high strength nonoriented silicon steel sheet excellent in corrosion resistance and magnetic property 审中-公开
标题翻译：加热处理后的耐腐蚀性优异的非导电硅钢板和耐腐蚀性和磁性优异的高强度非导电硅钢板
公开(公告)号：JP2005120424A
公开(公告)日：2005-05-12
申请号：JP2003356561
申请日：2003-10-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SASHI KAZUMICHI , KONO MASAAKI , FUJITA AKIO , KONO MASAKI
IPC分类号： B05D5/12 , B05D7/14 , C21D9/46 , C22C38/00 , C22C38/16 , C23C22/00 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a nonoriented silicon steel sheet for a high speed rotary motor excellent in the corrosion resistance of sheared edge parts after blanked, and further excellent in strength properties. SOLUTION: The surface of a silicon steel sheet containing 0.2 to 4.0% Cu is coated with an insulating film mainly made up of one or more kinds of inorganic compounds selected from among a P compound, an Al compound and an Si compound. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于高速旋转电机的非取向硅钢板，其在冲裁后的剪切边缘部件的耐腐蚀性优异，并且进一步优异的强度性能。解决方案：含有0.2〜4.0％Cu的硅钢板的表面涂覆有主要由选自P化合物，Al化合物和Si化合物中的一种或多种无机化合物构成的绝缘膜。版权所有（C）2005，JPO＆NCIPI

79. 发明专利

JP2004353037A High-strength non-oriented electromagnetic steel sheet superior in magnetic property, and manufacturing method therefor 审中-公开
公开(公告)号：JP2004353037A
公开(公告)日：2004-12-16
申请号：JP2003152635
申请日：2003-05-29
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OMURA TAKESHI , KONO MASAAKI , KONO MASAKI
IPC分类号： C21D9/46 , C22C38/00 , C22C38/12 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented electromagnetic steel sheet which balances adequate magnetic properties with high strength. SOLUTION: The high-strength non-oriented electromagnetic steel sheet superior in magnetic properties comprises 0.02% or less C, 4.5% or less Si, 3.0% or less Mn, 3.0% or less Al, 0.50% or less P, 5.0% or less Ni, further one or more elements selected from among Au, Be, Mo and W in the range of each 0.2 to 4.0%, and the balance Fe with unavoidable impurities; contains precipitates including either of Au, Be, Mo and W inside the steel sheet, having an average particle diameter of 20 nm or less; and has tensile strength not lower than CTS (MPa) shown in the following expression: CTS=5600[%C]+87[%Si]+15[%Mn]+70[%Al]+430[%P]+37[%Ni]+22d -1/2 +230, wherein d is the average grain size of crystal grains. COPYRIGHT: (C)2005,JPO&NCIPI

80. 发明专利

JP2004339603A High-strength non-oriented electromagnetic steel sheet superior in high-frequency magnetic property, and manufacturing method therefor 有权
公开(公告)号：JP2004339603A
公开(公告)日：2004-12-02
申请号：JP2003433858
申请日：2003-12-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OMURA TAKESHI , KONO MASAAKI , TAKASHIMA MINORU , KONO MASAKI
IPC分类号： C21D9/46 , C22C38/00 , C22C38/58 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented electromagnetic steel sheet having high-frequency magnetic properties together with high strength, and to provide an industrially stable manufacturing method therefor. SOLUTION: This electromagnetic steel sheet has a composition comprising, by mass%, 1.0-7.0% Si, 1.0-8.0% Cr, 0.35-3.0% Cu and the balance Fe with unavoidable impurities; and further includes 10 6 pieces/mm 2 or more of Cu precipitates having an average particle diameter of 15 nm or smaller. COPYRIGHT: (C)2005,JPO&NCIPI

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