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21.发明授权公开(公告)号：US08784995B2
公开(公告)日：2014-07-22
申请号：US13821608
申请日：2011-09-09
CPC分类号： C22C38/00 , C21D8/12 , C21D8/1233 , C21D8/1277 , C21D8/1283 , C21D2201/05 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/34 , C22C38/60 , H01F1/16
摘要： A grain oriented electrical steel sheet has linear grooves for magnetic domain refinement formed on a surface thereof and may reduce iron loss by using these linear grooves, where the proportion of those linear grooves having crystal grains directly beneath themselves, each crystal grain having an orientation deviating from the Goss orientation by 10° or more and a grain size of 5 μm or more, is controlled to 20% or less, and secondary recrystallized grains are controlled to have an average β angle of 2.0° or less, and each secondary recrystallized grain having a grain size of 10 mm or more is controlled to have an average β-angle variation of 1° to 4°.
摘要翻译： 晶粒取向电工钢板在其表面上形成有磁畴细化的线性沟槽，并且可以通过使用这些线性沟槽来减少铁损，其中具有晶粒直径的那些直线槽的比例在其自身下方，每个晶粒的取向偏离 从高斯取向10°以上，5μm以上的粒径控制在20％以下，将二次再结晶粒控制为平均粒径; 角度为2.0°以下，粒径为10mm以上的二次再结晶晶粒的平均角度变化为1°〜4°。
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22.发明申请公开(公告)号：US20130143050A1
公开(公告)日：2013-06-06
申请号：US13814065
申请日：2011-08-03
申请人： Takeshi Omura , Hiroi Yamaguchi , Seiji Okabe
发明人： Takeshi Omura , Hiroi Yamaguchi , Seiji Okabe
IPC分类号： H01F41/00
CPC分类号： H01F41/00 , B21B3/02 , C21D8/1272 , C21D8/1288 , C21D2201/05 , C22C38/00 , C22C38/008 , C22C38/04 , C22C38/08 , H01F1/18
摘要： A grain oriented electrical steel sheet that is subjected to magnetic domain refining treatment by electron beam irradiation and exhibits excellent low-noise properties when assembled as an actual transformer in which tension exerted on the steel sheet by the forsterite film is 2.0 MPa or higher both in a rolling direction and a direction transverse (perpendicular) to the rolling direction, and a ratio of an irradiation pitch in a thermal strain introduced region (B) to a spot diameter (A) on an electron beam irradiation surface satisfies 0.5≦B/A≦5.0.
摘要翻译： 通过电子束照射进行磁畴精制处理的晶粒取向电工钢板，组装成实施变压器时，具有优异的低噪声特性，其中通过镁橄榄石膜施加在钢板上的张力为2.0MPa以上 轧制方向和与轧制方向横向（垂直）的方向，并且热应变引入区域（B）中的照射间距与电子束照射表面上的光斑直径（A）的比率满足0.5@B/A @ 5.0。
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公开(公告)号：US20130143003A1
公开(公告)日：2013-06-06
申请号：US13814344
申请日：2011-08-04
IPC分类号： H01F1/18
CPC分类号： H01F1/18 , C21D1/38 , C21D8/12 , C21D8/1277 , C21D8/1283 , C21D2201/05 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/08 , Y10T428/24628
摘要： A grain oriented electrical steel sheet has sufficiently low iron loss and having less conventionally-concerned warpage of the steel sheet even after the steel sheet is subjected to artificial magnetic domain refining treatment, where strain-introducing treatment is conducted with high energy so that an iron loss-reducing effect can be maximized. The grain oriented electrical steel sheet is obtained by adjusting tension to be applied to a tension-applying insulating coating, or to both surfaces of the steel sheet by the tension-applying insulating coating, before strain-introducing treatment in the range of Formula (1): 1.0≦(tension applied to non-strain-introduced surface)/(tension applied to strain-introduced surface)≦2.0 (1), and by controlling the amount of warpage of the steel sheet toward the strain-introduced surface side after strain-introducing treatment in the range of 1 mm or more and 10 mm or less.
摘要翻译： 即使在对钢板进行人造磁畴精制处理之后，晶粒取向电工钢板也具有足够低的铁损，并且具有较少的常规的钢板翘曲，其中以高能量进行应变导入处理， 减少损失的效果可以最大化。 晶粒取向电工钢板通过在应变导入处理之前通过张力施加绝缘涂层调节施加到张力施加绝缘涂层的张力或钢板的两个表面，在式（1）的范围内 ）：2.0（1）中的1.0 @（施加到非应变导入表面的张力）/（施加到应变导入表面的张力）@ 2.0（1），并且通过控制钢板朝向应变导入表面侧的翘曲量 应变引入处理在1mm以上且10mm以下的范围内。
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公开(公告)号：US09240266B2
公开(公告)日：2016-01-19
申请号：US13814344
申请日：2011-08-04
CPC分类号： H01F1/18 , C21D1/38 , C21D8/12 , C21D8/1277 , C21D8/1283 , C21D2201/05 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/08 , Y10T428/24628
摘要： A grain oriented electrical steel sheet has sufficiently low iron loss and having less conventionally-concerned warpage of the steel sheet even after the steel sheet is subjected to artificial magnetic domain refining treatment, where strain-introducing treatment is conducted with high energy so that an iron loss-reducing effect can be maximized. The grain oriented electrical steel sheet is obtained by adjusting tension to be applied to a tension-applying insulating coating, or to both surfaces of the steel sheet by the tension-applying insulating coating, before strain-introducing treatment in the range of Formula (1): 1.0≦(tension applied to non-strain-introduced surface)/(tension applied to strain-introduced surface)≦2.0 (1), and by controlling the amount of warpage of the steel sheet toward the strain-introduced surface side after strain-introducing treatment in the range of 1 mm or more and 10 mm or less.
摘要翻译： 即使在对钢板进行人造磁畴精制处理之后，晶粒取向电工钢板也具有足够低的铁损，并且具有较少的常规的钢板翘曲，其中以高能量进行应变导入处理， 减少损失的效果可以最大化。 晶粒取向电工钢板通过在应变导入处理之前通过张力施加绝缘涂层调节施加到张力施加绝缘涂层的张力或钢板的两个表面，在式（1 ）：1.0＆nlE;（施加于非应变导入面的张力）/（施加到应变导入面的张力）＆lt; 2.0;（1），并且通过控制钢板朝向应变导入面的翘曲量 在应变引入处理之后，在1mm以上且10mm以下的范围内。
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25.发明授权
公开(公告)号：US5718775A
公开(公告)日：1998-02-17
申请号：US756213
申请日：1996-11-25
IPC分类号： C21D3/02 , C21D3/04 , C21D8/12 , C21D9/46 , C22C38/00 , C22C38/02 , H01F1/147 , H01F1/16 , H01F1/14
CPC分类号： C22C38/02 , C21D3/02 , C21D3/04 , C21D8/1227 , C21D8/1255 , H01F1/14766 , C21D2201/05 , C21D8/1272 , C21D8/1288
摘要： Grain-oriented electrical steel sheet having a very low iron loss with controlled area ratio of fine grains, average grain size of coarse grains, obliquity of the grain boundary line of coarse grains, permeability under 1.0 T, and film tension.
摘要翻译： 晶粒取向电磁钢板，其铁粉损耗非常低，微细颗粒的控制面积比，粗晶粒的平均粒径，粗晶粒的晶界倾斜度，1.0T以下的渗透率，以及膜张力。
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26.发明授权
公开(公告)号：US5885374A
公开(公告)日：1999-03-23
申请号：US932688
申请日：1997-09-18
CPC分类号： C21D3/04 , C21D8/1255 , C23C26/00
摘要： Producing a grain oriented silicon steel sheet by controlling physical properties of the oxides layer, formed in decarburization annealing, in the surface layer of a steel sheet. A silicon compound is adhered to the surface of steel sheet before the decarburization annealing in an amount ranging from about 0.5 to 7.0 mg per square meter, expressed as Si, and the atmosphere of an earlier portion of the temperature holding process is adjusted to a ratio of steam partial pressure to the hydrogen partial pressure of less than about 0.7, and the atmosphere of the temperature rising process up to the temperature holding process is adjusted to an atmospheric composition lower than the atmospheric composition of the earlier portion of the temperature holding process, and the atmosphere of a later part of the temperature holding process is adjusted to an atmospheric composition lower than the atmospheric composition of the earlier part of the temperature holding process and in a range from about 0.005 to 0.2.
摘要翻译： 通过控制在钢板的表面层中脱碳退火中形成的氧化物层的物理性质来制造晶粒取向硅钢板。 在脱碳退火之前，将硅化合物以约0.5-7.0mg /平方米的量表示为Si，并将温度保持过程的较早部分的气氛调节至比例 的蒸汽分压至小于约0.7的氢分压，并将直到温度保持过程的升温过程的气氛调节至低于保温过程较早部分的大气成分的大气成分， 将温度保持过程的后期部分的气氛调节至低于温度保持过程的早期部分的大气成分的大气成分，并且在约0.005至0.2的范围内。
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27.发明授权Process for producing grain oriented silicon steel sheet, and decarburized sheet 失效制造晶粒取向硅钢片的方法和脱碳片
公开(公告)号：US5725681A
公开(公告)日：1998-03-10
申请号：US707122
申请日：1996-09-03
CPC分类号： C21D3/04 , C21D8/1255 , C23C26/00
摘要： Producing a grain oriented silicon steel sheet by controlling physical properties of the oxides layer, formed in decarburization annealing, in the surface layer of a steel sheet. A silicon compound is adhered to the surface of steel sheet before the decarburization annealing in an amount ranging from about 0.5 to 7.0 mg per square meter, expressed as Si, and the atmosphere of an earlier portion of the temperature holding process is adjusted to a ratio of steam partial pressure to the hydrogen partial pressure of less than about 0.7, and the atmosphere of the temperature rising process up to the temperature holding process is adjusted to an atmospheric composition lower than the atmospheric composition of the earlier portion of the temperature holding process, and the atmosphere of a later part of the temperature holding process is adjusted to an atmospheric composition lower than the atmospheric composition of the earlier part of the temperature holding process and in a range from about 0.005 to 0.2.
摘要翻译： 通过控制在钢板的表面层中脱碳退火中形成的氧化物层的物理性质来制造晶粒取向硅钢板。 在脱碳退火之前，将硅化合物以约0.5-7.0mg /平方米的量表示为Si，并将温度保持过程的较早部分的气氛调节至比例 的蒸汽分压至小于约0.7的氢分压，并将直到温度保持过程的升温过程的气氛调节至低于保温过程较早部分的大气成分的大气成分， 将温度保持过程的后期部分的气氛调节至低于温度保持过程的早期部分的大气成分的大气成分，并且在约0.005至0.2的范围内。
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公开(公告)号：US5853499A
公开(公告)日：1998-12-29
申请号：US919758
申请日：1997-08-28
CPC分类号： C22C38/02 , C21D3/02 , C21D3/04 , C21D8/1227 , C21D8/1255 , H01F1/14766 , C21D2201/05 , C21D8/1272 , C21D8/1288
摘要： Grain-oriented electrical steel sheet having a very low iron loss with controlled area ratio of fine grains, average grain size of coarse grains, obliquity of the grain boundary line of coarse grains, permeability under 1.0 T, and film tension.
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29.发明授权公开(公告)号：US06758915B2
公开(公告)日：2004-07-06
申请号：US10297423
申请日：2002-12-05
IPC分类号： H01F104
CPC分类号： C23C14/228 , C21D8/1288 , C22C38/06 , C23C14/08
摘要： The invention is a grain-oriented magnetic steel sheet having extremely low iron loss, suitable for use as an iron core material for transformers and power generators, and a method for producing the same. The method includes forming a coating layer on a surface of a steel sheet having a thickness of 0.27 mm or less by vapor deposition in a low oxidizing atmosphere with an oxygen partial pressure (Po2) of less than 0.1 atm and a total pressure of 0.1 atm or more. The steel sheet has extremely low iron loss with a thickness of 0.27 mm or less and includes a coating layer formed by vapor deposition on a matrix surface.
摘要翻译： 本发明是适用于变压器和发电机的铁芯材料的铁损极低的晶粒取向电磁钢板及其制造方法。 该方法包括在氧分压低于0.1atm，总压力0.1atm的低氧化气氛中通过气相沉积在厚度为0.27mm或更小的钢板的表面上形成涂层 或者更多。 钢板的铁损非常低，厚度为0.27mm以下，并且包括通过气相沉积在基体表面上形成的涂层。
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公开(公告)号：US6136456A
公开(公告)日：2000-10-24
申请号：US177476
申请日：1998-10-23
CPC分类号： C23C28/321 , C21D8/1277 , C21D8/1288 , C23C28/322 , C23C28/345 , C23C28/3455 , H01F1/14783 , Y10T428/12465 , Y10T428/12472 , Y10T428/12611 , Y10T428/12722 , Y10T428/12799 , Y10T428/12854 , Y10T428/12937 , Y10T428/12972 , Y10T428/12993
摘要： Grain oriented electrical steel sheet with a very low iron loss and a method for producing the same, wherein the surface of the iron substrate of the grain oriented electrical steel sheet is subjected to an enhancement treatment of crystal grain orientation or surface smoothing to a mean roughness of about 0.20 .mu.m or less, electroplating a chromium plating layer on the substrate with heterogeneous growth, and applying a tension coating film to the plating layer.
摘要翻译： 具有非常低的铁损的晶粒取向电工钢板及其制造方法，其中使晶粒取向电工钢板的铁基材的表面进行晶粒取向或表面平滑化的增强处理至平均粗糙度 约0.20μm以下，在基板上镀上不均匀生长的镀铬层，向镀层施加张力涂膜。
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