公开(公告)号：US20130167982A1

公开(公告)日：2013-07-04

申请号：US13806877

申请日：2011-06-29

申请人： Hiroi Yamaguchi ,  Seiji Okabe ,  Kunihiro Senda ,  Takeshi Omura

发明人： Hiroi Yamaguchi ,  Seiji Okabe ,  Kunihiro Senda ,  Takeshi Omura

IPC分类号： H01F41/22

CPC分类号： H01F41/22 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1255 ,  C21D8/1261 ,  C21D8/1266 ,  C21D8/1283 ,  C21D8/1288 ,  C21D8/1294 ,  C21D10/005 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/18 ,  C22C38/60 ,  H01F1/16

摘要： A method of manufacturing a grain oriented electrical steel sheet includes subjecting a steel slab to rolling to obtain a steel sheet, subjecting the steel sheet to decarburizing annealing, coating of an annealing separator mainly composed of MgO onto a surface of the steel sheet, and final annealing to obtain a grain oriented electrical steel sheet having at least 4.0 g/m2 of coating weight of forsterite coating formed on the surface of the steel sheet, 0.9 μm or less of the average grain size of the forsterite coating, and at least 1.91 T of magnetic flux density B8; and linearly irradiating a surface of the grain oriented electrical steel sheet this obtained with a laser having wavelength of 0.2 μm to 0.9 μm in a direction intersecting the rolling direction of the steel sheet.

摘要翻译： 晶粒取向电工钢板的制造方法包括对钢板进行轧制以获得钢板，对钢板进行脱碳退火，将主要由MgO组成的退火分离器涂覆在钢板的表面上，最终 进行退火，得到在钢板表面形成的镁橄榄石涂层的涂层重量至少为4.0g / m 2的晶粒取向电工钢板，镁橄榄石涂层的平均粒径为0.9μm以下，至少为1.91T 的磁通密度B8; 并且在与钢板的轧制方向交叉的方向上用波长为0.2μm〜0.9μm的激光线取得的晶粒取向电工钢板的表面线性地照射。

公开(公告)号：US20130161301A1

公开(公告)日：2013-06-27

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

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）; 相对于垂直于片材的方向通过连接发射端口和照射点的线形成的激光照射角度为θ（°）; 并且L> = 50时，当L <100时，当L <100时，当L> 100时，L和θθ满足： 400。

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：US09514868B2

公开(公告)日：2016-12-06

申请号：US13805773

申请日：2011-06-28

申请人： Takeshi Omura ,  Hiroi Yamaguchi ,  Seiji Okabe

发明人： Takeshi Omura ,  Hiroi Yamaguchi ,  Seiji Okabe

IPC分类号： H01F1/01 ,  C21D9/46 ,  C21D10/00 ,  C22C38/00 ,  C22C38/04 ,  C22C38/06 ,  H01F41/06 ,  H01F1/18 ,  C22C38/02 ,  C22C38/08 ,  C21D8/12

CPC分类号： H01F1/01 ,  C21D3/04 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1255 ,  C21D8/1283 ,  C21D8/1288 ,  C21D8/1294 ,  C21D9/46 ,  C21D10/005 ,  C21D2201/05 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/60 ,  H01F1/18 ,  H01F3/02 ,  H01F41/064

摘要： A grain oriented electrical steel sheet is subjected to magnetic domain refinement by laser irradiation or electron irradiation and exhibits excellent low noise properties and low iron-loss properties when assembled into a real transformer device, by setting: the total tension (A) in rolling direction imparted to the steel sheet by the forsterite coating and the tension coating to be equal to or higher than 10.0 MPa; setting the total tension (B) in a direction orthogonal to the rolling direction imparted to the steel sheet by the forsterite coating and the tension coating to be equal to or higher than 5.0 MPa; and setting the total tension (A) and the total tension (B) to satisfy a formula shown below. 1.0≦A/B≦5.0

公开(公告)号：US09330839B2

公开(公告)日：2016-05-03

申请号：US13814357

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： B32B15/00 ,  H01F41/00 ,  C21D8/12 ,  C22C38/00 ,  C22C38/04 ,  C22C38/08 ,  C22C38/34 ,  H01F1/18

CPC分类号： H01F41/00 ,  C21D1/773 ,  C21D6/001 ,  C21D6/005 ,  C21D6/008 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0284 ,  C21D8/0289 ,  C21D8/1255 ,  C21D8/1272 ,  C21D8/1288 ,  C21D9/46 ,  C21D10/00 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/34 ,  C22C38/60 ,  H01F1/18

摘要： A grain oriented electrical steel sheet 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 a ratio (Wa/Wb) of a film thickness (Wa) of the forsierite film on a strain-introduced side of the steel sheet to a film thickness (Wb) of the forsierite film on a non-strain-introduced side of the steel sheet is 0.5 or higher, a magnetic domain discontinuous portion in a surface of the steel sheet on the strain-introduced side has an average width of 150 to 300 μm, and a magnetic domain discontinuous portion in a surface of the steel sheet on the non-strain-introduced side has an average width of 250 to 500 μm.

摘要翻译： 通过电子束照射对晶粒取向电工钢板进行磁畴精制处理，组装成实际的变压器时，具有优异的低噪声特性，其中，硅橡胶的膜厚（Wa）的比（Wa / Wb） 钢板的应变导入侧的膜与钢板的非应变导入侧的硅灰石膜的膜厚（Wb）为0.5以上，钢的表面的磁畴不连续部分 应变导入侧的片材的平均宽度为150〜300μm，非应变导入侧的钢板表面的磁畴不连续部的平均宽度为250〜500μm。

公开(公告)号：US20130098507A1

公开(公告)日：2013-04-25

申请号：US13805773

申请日：2011-06-28

申请人： Takeshi Omura ,  Hiroi Yamaguchi ,  Seiji Okabe

发明人： Takeshi Omura ,  Hiroi Yamaguchi ,  Seiji Okabe

IPC分类号： H01F1/01 ,  H01F41/06

CPC分类号： H01F1/01 ,  C21D3/04 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1255 ,  C21D8/1283 ,  C21D8/1288 ,  C21D8/1294 ,  C21D9/46 ,  C21D10/005 ,  C21D2201/05 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/60 ,  H01F1/18 ,  H01F3/02 ,  H01F41/064

摘要： A grain oriented electrical steel sheet is subjected to magnetic domain refinement by laser irradiation or electron irradiation and exhibits excellent low noise properties and low iron-loss properties when assembled into a real transformer device, by setting: the total tension (A) in rolling direction imparted to the steel sheet by the forsterite coating and the tension coating to be equal to or higher than 10.0 MPa; setting the total tension (B) in a direction orthogonal to the rolling direction imparted to the steel sheet by the forsterite coating and the tension coating to be equal to or higher than 5.0 MPa; and setting the total tension (A) and the total tension (B) to satisfy a formula shown below. 1.0≦A/B≦5.0

摘要翻译： 晶粒取向电工钢板通过激光照射或电子照射进行磁畴细化，组装成实际变压器装置时，具有优异的低噪声特性和低的铁损性能，通过设定：轧制方向的总张力（A） 通过镁橄榄石涂层和张力涂层赋予钢板等于或高于10.0MPa; 在通过镁橄榄石涂层和张力涂层赋予钢板的轧制方向的正交方向上设定总张力（B）等于或高于5.0MPa; 并设定总张力（A）和总张力（B）以满足下面所示的公式。 1.0 @ A / B @ 5.0

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。

公开(公告)号：US20130133783A1

公开(公告)日：2013-05-30

申请号：US13814629

申请日：2011-08-04

申请人： Hiroi Yamaguchi ,  Seiji Okabe ,  Takeshi Omura ,  Tadashi Nakanishi

发明人： Hiroi Yamaguchi ,  Seiji Okabe ,  Takeshi Omura ,  Tadashi Nakanishi

IPC分类号： H01F1/01

CPC分类号： H01F1/01 ,  C21D8/1261 ,  C21D8/1283 ,  C21D8/1288 ,  C21D8/1294 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/34 ,  H01F1/16

摘要： A grain oriented electrical steel sheet has a magnetic domain structure modified by strain introduction without a trace of treatment, in which noise generated when the grain oriented electrical steel sheet is used laminated on an iron core of a transformer is effectively reduced by: setting a magnetic flux density B8 to 1.92 T or higher; then setting a ratio of average magnetic domain width of treated surface after strain-introducing treatment Wa to average magnetic domain width before strain-introducing treatment W0 as Wa/W0 0.7; and further setting a ratio of average width of magnetic domain discontinuous portion in the untreated surface to average width of magnetic domain discontinuous portion in treated surface resulting from strain-introducing treatment Wc as Wd/Wc>0.8; and setting Wc

摘要翻译： 晶粒取向电工钢板具有通过应变引入改性的磁畴结构，而不需要进行微处理，当通过使用层压在变压器的铁芯上的方向的电磁钢板产生的噪声有效地减小：设置磁 磁通密度B8〜1.92T以上; 然后将应变导入处理后的处理面的平均磁畴宽度与应变导入处理前的平均磁畴宽度W0设定为Wa / W0 <0.4; 并将Wa与未处理表面Wb的平均磁畴宽度的比设定为Wa / Wb> 0.7; 进一步将未处理面的磁畴不连续部的平均宽度与应变导入处理Wc的处理面的磁畴不连续部的平均宽度的比设为Wd / Wc> 0.8; 并设置Wc <0.3.5 mm。

公开(公告)号：US20130130043A1

公开(公告)日：2013-05-23

申请号：US13814357

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 ,  C21D1/773 ,  C21D6/001 ,  C21D6/005 ,  C21D6/008 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0284 ,  C21D8/0289 ,  C21D8/1255 ,  C21D8/1272 ,  C21D8/1288 ,  C21D9/46 ,  C21D10/00 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/34 ,  C22C38/60 ,  H01F1/18

摘要： A grain oriented electrical steel sheet 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 a ratio (Wa/Wb) of a film thickness (Wa) of the forsierite film on a strain-introduced side of the steel sheet to a film thickness (Wb) of the forsierite film on a non-strain-introduced side of the steel sheet is 0.5 or higher, a magnetic domain discontinuous portion in a surface of the steel sheet on the strain-introduced side has an average width of 150 to 300 μm, and a magnetic domain discontinuous portion in a surface of the steel sheet on the non-strain-introduced side has an average width of 250 to 500 μm.

摘要翻译： 通过电子束照射对晶粒取向电工钢板进行磁畴精制处理，组装成实际的变压器时，具有优异的低噪声特性，其中，硅橡胶的膜厚（Wa）的比（Wa / Wb） 钢板的应变导入侧的膜与钢板的非应变导入侧的硅灰石膜的膜厚（Wb）为0.5以上，钢的表面的磁畴不连续部分 应变导入侧的片材的平均宽度为150〜300μm，非应变导入侧的钢板表面的磁畴不连续部的平均宽度为250〜500μm。