公开(公告)号：US20130160901A1

公开(公告)日：2013-06-27

申请号：US13821608

申请日：2011-09-09

申请人： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Yasuyuki Hayakawa

发明人： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Yasuyuki Hayakawa

IPC分类号： H01F1/01

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，粒径5μm以上，控制在20％以下，二次再结晶晶粒的平均β角为2.0°以下，二次再结晶晶粒 粒径为10mm以上的粒径被控制为具有1°至4°的平均β角度变化。

公开(公告)号：US08784995B2

公开(公告)日：2014-07-22

申请号：US13821608

申请日：2011-09-09

申请人： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Yasuyuki Hayakawa

发明人： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Yasuyuki Hayakawa

IPC分类号： C21D1/70 ,  H01F1/00 ,  B32B9/00 ,  B32B15/04

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°。

公开(公告)号：US09406437B2

公开(公告)日：2016-08-02

申请号：US13814532

申请日：2011-08-05

申请人： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe

发明人： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe

IPC分类号： H01F41/00 ,  C22C38/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/34 ,  H01F1/18 ,  C21D8/12 ,  B21B3/02

CPC分类号： H01F41/00 ,  B21B3/02 ,  C21D8/1255 ,  C21D8/1272 ,  C21D8/1283 ,  C21D8/1288 ,  C21D8/1294 ,  C21D9/46 ,  C22C38/00 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/34 ,  H01F1/18 ,  Y10T428/2457 ,  Y10T428/24612

摘要： A grain oriented electrical steel sheet has thickness of forsterite film at bottom portions of grooves formed on a surface of the steel sheet is ≧0.3 μm, groove frequency is ≦20%, abundance ratio of grooves crystal grains directly beneath themselves, each crystal grain having orientation deviating from Goss orientation by ≧10° and grain size ≧5 μm, total tension exerted on the steel sheet in the rolling direction by the forsterite film and tension coating is ≧10.0 MPa, total tension exerted on the steel sheet in a direction perpendicular to the rolling direction by the forsterite film and tension coating is ≧5.0 MPa and total tension satisfies 1.0≦A/B≦5.0, where A is total tension exerted in rolling direction by forsterite film and tension coating, and B is total tension exerted in direction perpendicular to rolling direction by forsterite film and tension coating.

摘要翻译： 晶粒取向电工钢板在钢板表面形成的槽的底部的镁橄榄石膜的厚度为≥0.3μm，槽频率≤20％，自身下方的槽晶粒的丰度比，各晶粒具有 从高斯取向偏离≧10°并且晶粒尺寸≥5μm的方向，通过镁橄榄石膜和张力涂层在轧制方向上施加在钢板上的总张力为≥10MPa，在垂直方向上对钢板施加的总张力 通过镁橄榄石膜的轧制方向，张力涂层为≥5.0MPa，总张力满足1.0≤A/B≤5.0，其中A是通过镁橄榄石膜和张力涂层在轧制方向上施加的总张力，B是施加在 通过镁橄榄石膜和张力涂层垂直于轧制方向的方向。

公开(公告)号：US20130206283A1

公开(公告)日：2013-08-15

申请号：US13814115

申请日：2011-08-05

申请人： Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Takeshi Omura

发明人： Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Takeshi Omura

IPC分类号： H01F1/01 ,  H01F41/02

CPC分类号： H01F1/01 ,  C21D1/38 ,  C21D8/12 ,  C21D8/1277 ,  C21D8/1283 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/04 ,  C22C38/34 ,  H01F1/16 ,  H01F41/02

摘要： A grain oriented electrical steel sheet has thermal strain introduced thereinto in a dotted-line arrangement in which strain-imparted areas are lined in a direction that crosses a rolling direction of the steel sheet, wherein the strain-imparted areas introduced in the dotted-line arrangement have a size from 0.10 mm or more to 0.50 mm or less and an interval between the adjacent strain-imparted areas is from 0.10 mm or more to 0.60 mm or less.

摘要翻译： 晶粒取向电工钢板以引线方式引入热应变，其中应变赋予区域沿与钢板的轧制方向交叉的方向排列，其中引入虚线的应变赋予区域 排列的尺寸为0.10mm以上且0.50mm以下，相邻的应变赋予区域的间隔为0.10mm以上且0.60mm以下。

公开(公告)号：US20130129985A1

公开(公告)日：2013-05-23

申请号：US13814675

申请日：2011-08-05

申请人： Hirotaka Inoue ,  Takeshi Omura ,  Hiroi Yamaguchi ,  Seiji Okabe

发明人： Hirotaka Inoue ,  Takeshi Omura ,  Hiroi Yamaguchi ,  Seiji Okabe

IPC分类号： H01F41/00

CPC分类号： H01F41/00 ,  C21D8/1216 ,  C21D9/46 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/60 ,  C23C26/00 ,  C23C30/00 ,  H01F1/18 ,  Y10T428/2457 ,  Y10T428/24612

摘要： A grain oriented electrical steel sheet may reduce iron loss of material with linear grooves formed thereon for magnetic domain refinement and offer excellent low iron loss properties when assembled as an actual transformer, where the steel sheet has sheet thickness of 0.30 mm or less, linear grooves are formed at intervals of 2-10 mm in the rolling direction, the depth of each of the linear grooves is 10 μm or more, the thickness of the forsterite film at bottom portions of the linear grooves is 0.3 μm or more, total tension applied to the steel sheet by the forsterite film and tension coating is 10.0 MPa or higher in rolling direction, and the proportion of eddy current loss in iron loss W17/50 of the steel sheet is 65% or less when alternating magnetic field of 1.7 T and 50 Hz is applied to the steel sheet in the rolling direction.

摘要翻译： 晶粒取向电工钢板可以减少形成在其上的线性槽的铁损，用于磁畴细化，并且当作为实际变压器组装时提供优异的低铁损性能，其中钢板具有0.30mm或更小的板厚度，线性槽 在轧制方向上以2-10mm的间隔形成，每个直线槽的深度为10μm以上，直线槽底部的镁橄榄石膜的厚度为0.3μm以上，施加总张力 通过镁橄榄石膜和钢板的拉伸强度在轧制方向为10.0MPa以上，钢板的铁损W17 / 50的涡电流损失比例为1.7T以下的交变磁场时的65％以下 在轧制方向上对钢板施加50Hz。

公开(公告)号：US20130129984A1

公开(公告)日：2013-05-23

申请号：US13814532

申请日：2011-08-05

申请人： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe

发明人： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe

IPC分类号： H01F41/00

CPC分类号： H01F41/00 ,  B21B3/02 ,  C21D8/1255 ,  C21D8/1272 ,  C21D8/1283 ,  C21D8/1288 ,  C21D8/1294 ,  C21D9/46 ,  C22C38/00 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/34 ,  H01F1/18 ,  Y10T428/2457 ,  Y10T428/24612

摘要： A grain oriented electrical steel sheet has thickness of forsterite film at bottom portions of grooves formed on a surface of the steel sheet is ≧0.3 μm, groove frequency is ≦20%, abundance ratio of grooves crystal grains directly beneath themselves, each crystal grain having orientation deviating from Goss orientation by ≧10° and grain size ≧5 μm, total tension exerted on the steel sheet in the rolling direction by the forsterite film and tension coating is ≧10.0 MPa, total tension exerted on the steel sheet in a direction perpendicular to the rolling direction by the forsterite film and tension coating is ≧5.0 MPa and total tension satisfies 1.0≦A/B≦5.0, where A is total tension exerted in rolling direction by forsterite film and tension coating, and B is total tension exerted in direction perpendicular to rolling direction by forsterite film and tension coating.

摘要翻译： 晶粒取向电工钢板在钢板表面形成的槽底部的镁橄榄石膜的厚度>0.3μm，槽频率为20％，自身下方的槽晶粒的丰度比，各晶粒 具有与高斯取向偏离> = 10°并且晶粒尺寸>5μm的方向，通过镁橄榄石膜和张力涂层在轧制方向上施加在钢板上的总张力> = 10.0MPa，施加在钢板上的总张力 在通过镁橄榄石膜垂直于轧制方向的方向上，张力涂层为> = 5.0MPa，总张力满足1.0 @ A / B @ 5.0，其中A是通过镁橄榄石膜和张力涂层在轧制方向上施加的总张力，B 是通过镁橄榄石膜和张力涂层在垂直于轧制方向的方向上施加的总张力。

公开(公告)号：US09396872B2

公开(公告)日：2016-07-19

申请号：US13814675

申请日：2011-08-05

申请人： Hirotaka Inoue ,  Takeshi Omura ,  Hiroi Yamaguchi ,  Seiji Okabe

发明人： Hirotaka Inoue ,  Takeshi Omura ,  Hiroi Yamaguchi ,  Seiji Okabe

IPC分类号： H01F41/00 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/60 ,  C23C30/00 ,  H01F1/18 ,  C23C26/00 ,  C21D8/12 ,  C21D9/46

CPC分类号： H01F41/00 ,  C21D8/1216 ,  C21D9/46 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/60 ,  C23C26/00 ,  C23C30/00 ,  H01F1/18 ,  Y10T428/2457 ,  Y10T428/24612

摘要： A grain oriented electrical steel sheet may reduce iron loss of material with linear grooves formed thereon for magnetic domain refinement and offer excellent low iron loss properties when assembled as an actual transformer, where the steel sheet has sheet thickness of 0.30 mm or less, linear grooves are formed at intervals of 2-10 mm in the rolling direction, the depth of each of the linear grooves is 10 μm or more, the thickness of the forsterite film at bottom portions of the linear grooves is 0.3 μm or more, total tension applied to the steel sheet by the forsterite film and tension coating is 10.0 MPa or higher in rolling direction, and the proportion of eddy current loss in iron loss W17/50 of the steel sheet is 65% or less when alternating magnetic field of 1.7 T and 50 Hz is applied to the steel sheet in the rolling direction.

摘要翻译： 晶粒取向电工钢板可以减少形成在其上的线性槽的铁损，用于磁畴细化，并且当作为实际变压器组装时提供优异的低铁损性能，其中钢板具有0.30mm或更小的板厚度，线性槽 在轧制方向上以2-10mm的间隔形成，每个直线槽的深度为10μm以上，直线槽底部的镁橄榄石膜的厚度为0.3μm以上，施加总张力 通过镁橄榄石膜和钢板的拉伸强度在轧制方向为10.0MPa以上，钢板的铁损W17 / 50的涡电流损失比例为1.7T以下的交变磁场时的65％以下 在轧制方向上对钢板施加50Hz。

公开(公告)号：US09346123B2

公开(公告)日：2016-05-24

申请号：US13806926

申请日：2011-06-29

申请人： Seiji Okabe ,  Hiroi Yamaguchi ,  Takeshi Omura

发明人： Seiji Okabe ,  Hiroi Yamaguchi ,  Takeshi Omura

IPC分类号： B23K26/00 ,  B23K26/08 ,  C21D8/12 ,  C21D10/00 ,  C22C38/00 ,  C22C38/04 ,  C22C38/60 ,  C22C38/02 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/18

CPC分类号： B23K26/0846 ,  B23K26/00 ,  B23K2101/16 ,  B23K2103/04 ,  C21D8/12 ,  C21D8/1272 ,  C21D8/1294 ,  C21D10/00 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/18 ,  C22C38/60

摘要： A device reduces dust for safely preventing laser-irradiation capacity from decreasing due to contamination and reliably reducing iron loss of a grain oriented electrical steel sheet. The device improves iron loss properties of a grain oriented electrical steel sheet by irradiating its surface with laser to reduce iron loss, wherein, distance between a laser beam emission port and a laser irradiation point is L (mm); laser irradiation angle formed by a line linking the emission port and the irradiation point with respect to a direction vertical to the sheet is θ (°); and L≧50, the emission port is positioned such that L and θ satisfy: 60−0.3L≦θ≦60 when L≦100; 40−0.1L≦θ≦60 when 100 400.

摘要翻译： 装置减少灰尘，以安全地防止激光照射能力由于污染而降低，并可靠地降低了取向电工钢板的铁损。 该装置通过用激光照射其表面来改善晶粒取向电工钢板的铁损性能，以减少铁损，其中激光束射出口和激光照射点之间的距离为L（mm）; 由连接发射口和照射点的线相对于与片材垂直的方向形成的激光照射角是＆amp; （°）; L≥50，排放口定位成L和＆amp; t; 满足：60-0.3L＆nlE;＆thetas;＆nlE; 60当L＆nlE; 100; 40-0.1L＆nlE;＆thetas;＆nlE; 60当100 400。

公开(公告)号：US09536657B2

公开(公告)日：2017-01-03

申请号：US13805109

申请日：2011-06-28

申请人： Takeshi Omura ,  Hiroaki Toda ,  Hiroi Yamaguchi ,  Seiji Okabe

发明人： Takeshi Omura ,  Hiroaki Toda ,  Hiroi Yamaguchi ,  Seiji Okabe

IPC分类号： H01F41/00 ,  C21D8/12 ,  H01F1/16 ,  C22C38/02

CPC分类号： H01F41/00 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1272 ,  C21D8/1288 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  H01F1/16

摘要： A grain oriented electrical steel sheet is subjected to magnetic domain refinement by laser irradiation and has magnetic flux density B8 of at least 1.91T, wherein the nitrogen content in the forsterite coating is 3.0 mass % or less. The grain oriented electrical steel sheet satisfies recent demand for iron loss reduction.

摘要翻译： 晶粒取向电工钢板通过激光照射进行磁畴精制，磁通密度B8为1.91T以上，镁橄榄石涂层中的氮含量为3.0质量％以下。 晶粒取向电工钢板满足了铁损减少的最新需求。

公开(公告)号：US09396850B2

公开(公告)日：2016-07-19

申请号：US13806901

申请日：2011-06-28

申请人： Hiroi Yamaguchi ,  Hiroaki Toda ,  Takeshi Omura ,  Seiji Okabe

发明人： Hiroi Yamaguchi ,  Hiroaki Toda ,  Takeshi Omura ,  Seiji Okabe

IPC分类号： H01F1/01 ,  C21D10/00 ,  C22C38/18 ,  H01F41/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/20 ,  C22C38/60 ,  H01F1/18 ,  C21D8/12

CPC分类号： H01F1/01 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1255 ,  C21D8/1261 ,  C21D8/1266 ,  C21D8/1272 ,  C21D8/1283 ,  C21D8/1288 ,  C21D8/1294 ,  C21D10/005 ,  C21D2201/05 ,  C22C38/04 ,  C22C38/06 ,  C22C38/18 ,  C22C38/20 ,  C22C38/60 ,  H01F1/18 ,  H01F41/02

摘要： A grain oriented electrical steel sheet (1) suppresses the content of Cr in the grain oriented electrical steel sheet to 0.1 mass % or less; (2) sets the coating weight of a forsterite coating, in terms of basis weight of oxygen therein, to at least 3.0 g/m2 and thickness of an anchor portion as a lower portion of forsterite coating to 1.5 μm or less; and (3) controls setting the magnitude of deflection of a test specimen having length: 280 mm to at least 10mm when the forsterite coating is provided on only one surface thereof and at least 20 mm when forsterite coating and the tension coating are provided on the surface.

摘要翻译： 晶粒取向电工钢板（1）将晶粒取向电工钢板的Cr含量抑制在0.1质量％以下。 （2）将镁橄榄石涂层的涂布重量设定为至少3.0g / m 2，作为镁橄榄石涂层的下部的锚定部的厚度为1.5μm以下; 并且（3）控制当将镁橄榄石涂层仅在其一个表面上设置时，将长度为：280mm的试样的挠曲幅度设定为至少10mm，当镁橄榄石涂层和张力涂层 表面。