-
公开(公告)号：US11091842B2
公开(公告)日：2021-08-17
申请号：US16342829
申请日：2017-10-17
IPC分类号： C23F17/00 , C23C14/06 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/00 , C22C38/60 , C23D5/02 , C21D9/46 , C21D8/12 , C21D6/00 , C21D3/04 , H01F1/18 , B32B15/04 , C23C28/04 , C23C14/00 , C23C14/22 , C23C16/36 , C23C16/34 , C23C16/32
摘要： Provided are: an oriented electromagnetic steel sheet with outstanding coating adhesion and magnetic properties after stress relief annealing; and a method for manufacturing the oriented electromagnetic steel sheet. The oriented electromagnetic steel sheet comprises: a steel sheet; a non-oxide ceramic coating disposed on the steel sheet and containing a non-oxide; and an insulating tensile coating disposed on the non-oxide ceramic coating and containing an oxide. The thickness of the non-oxide ceramic coating is 0.020-0.400 μm. The thickness of the insulating tensile coating is at least 1.0 μm. The chromium content on the steel plate side of the non-oxide ceramic coating is less than 25 atomic %, and the chromium content on the insulating tensile coating side of the non-oxide ceramic coating is at least 25 atomic %.
-
2.发明申请公开(公告)号：US20190256985A1
公开(公告)日：2019-08-22
申请号：US16342829
申请日：2017-10-17
IPC分类号： C23F17/00 , C23C14/06 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/00 , C22C38/60 , C23D5/02 , C21D9/46 , C21D8/12 , C21D6/00 , C21D3/04 , H01F1/18
摘要： Provided are: an oriented electromagnetic steel sheet with outstanding coating adhesion and magnetic properties after stress relief annealing; and a method for manufacturing the oriented electromagnetic steel sheet. The oriented electromagnetic steel sheet comprises: a steel sheet; a non-oxide ceramic coating disposed on the steel sheet and containing a non-oxide; and an insulating tensile coating disposed on the non-oxide ceramic coating and containing an oxide. The thickness of the non-oxide ceramic coating is 0.020-0.400 μm. The thickness of the insulating tensile coating is at least 1.0 μm. The chromium content on the steel plate side of the non-oxide ceramic coating is less than 25 atomic %, and the chromium content on the insulating tensile coating side of the non-oxide ceramic coating is at least 25 atomic %.
-
3.发明授权公开(公告)号：US10031068B2
公开(公告)日：2018-07-24
申请号：US14425983
申请日：2013-09-25
发明人： Tomohiko Ito , Junichi Yotsuji , Shigehiro Takajo , Hiroi Yamaguchi , Kazuhiro Hanazawa , Yasunari Koga
IPC分类号： H01F1/16 , C21D8/12 , G01N21/21 , G01R33/032 , G01N21/86 , C22C38/00 , H01F41/02 , C21D11/00 , C21D1/38 , G01N27/82 , C21D1/34 , C21D9/46
摘要： A steel sheet inspection device includes: a magnetooptic element that is able to detect, as an optical property, a magnetic domain structure of a steel sheet to be inspected; a light source that irradiates the magnetooptic element with linearly polarized light; a detector that detects the linearly polarized light with a polarization plane rotated according to the magnetic domain structure of the steel sheet transferred to the magnetooptic element; and a drive mechanism that drives at least the magnetooptic element so as to contact and separate the steel sheet and the magnetooptic element with and from each other.
-
公开(公告)号：US10020101B2
公开(公告)日：2018-07-10
申请号：US14367654
申请日：2012-12-21
发明人： Shigehiro Takajo , Seiji Okabe
CPC分类号： H01F1/16 , C21D1/34 , C21D1/38 , C21D8/12 , C21D8/1244 , C21D8/1294 , C21D2201/05 , C22C38/00
摘要： Disclosed is a grain-oriented electrical steel sheet exhibiting low hysteresis loss and low coercive force, in which an increase in hysteresis loss due to laser irradiation or electron beam irradiation, which has been a conventional concern, is effectively inhibited. The grain-oriented electrical steel sheet has closure domain regions (X) formed to divide the magnetic domains in a rolling direction, from one end to the other in the width direction of the steel sheet, provided that Expression (1) is satisfied: −(500t−80)×s+230≤w≤−(500t−80)×s+330 Expression (1), where t represents a sheet thickness (mm); w represents a smaller one of the widths (μm) of the regions measured on the front and rear surfaces of the steel sheet, respectively, by using a Bitter method; and s represents an average number of the regions present within one crystal grain.
-
公开(公告)号：US20160333435A1
公开(公告)日：2016-11-17
申请号：US15112476
申请日：2015-01-08
发明人： Hirotaka Inoue , Shigehiro Takajo , Seiji Okabe
IPC分类号： C21D8/12 , H01F1/16 , B23K26/352 , B23K15/00 , B23K26/00
摘要： A magnetic domain refining treatment is performed by dividing a surface of a steel sheet into a plurality of regions in a widthwise direction, disposing a laser irradiation apparatus or an electron beam irradiation apparatus in each of the regions, and forming beam-irradiated regions through beam irradiation, wherein beams are irradiated so that a nature of a juncture between beam-irradiated regions satisfies 0≦α≦0.3×a and −1.2×a+0.02×w−0.5×α−6.5≦β≦−0.13×a−200×(1/w)+5.4 when TD spacing β at the juncture between the beam-irradiated regions is −3 to 0 mm, whereby a grain oriented electrical steel sheet having an excellent iron loss property is produced in a good productivity.
摘要翻译： 通过将钢板的表面沿宽度方向分割成多个区域，在各区域内配置激光照射装置或电子束照射装置，通过光束形成光束照射区域，进行磁畴精制处理 照射，其中照射光束，使得光束照射区域之间的接合的性质满足0≤α≤0.3×a和-1.2×a + 0.02×w-0.5×α-6.5≤β≤-0.13×a-200 ×（1 / w）+5.4，在射线照射区域之间的接合部处的TD间隔β为-3〜0mm的情况下，以良好的生产率制造出具有优异的铁损特性的晶粒取向电工钢板。
-
6.发明申请GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME (AS AMENDED) 有权面向电磁钢板及其制造方法（如修改）公开(公告)号：US20160230240A1
公开(公告)日：2016-08-11
申请号：US15022710
申请日：2014-08-26
发明人： Kunihiro Senda , Shigehiro Takajo , Tomoyuki Okubo
CPC分类号： C21D8/1244 , C21D6/005 , C21D6/008 , C21D8/12 , C21D8/1233 , C21D8/125 , C21D8/1261 , C21D8/1266 , C21D8/1272 , C21D8/1277 , C21D8/1283 , C21D8/1288 , C21D9/46 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/60 , H01F1/16
摘要： Provided is a grain-oriented electrical steel sheet including: a forsterite base film formed on a surface of the steel sheet; and an insulating tension coating formed on the base film, in which when Ti intensity FX(Ti), Al intensity FX(Al), and Fe intensity FX(Fe) obtained through quantitative analysis by performing fluorescent X-ray analysis on the surface of the steel sheet satisfy FX(Ti)/FX(Al)≧0.15 and FX(Ti)/FX(Fe)≧0.004, the frequency of crystal boundaries of secondary recrystallized grains in the direction orthogonal to the rolling direction is 20 grain boundaries/100 mm or less, the mean thickness of the forsterite base film t(Fo) and the thickness of the insulating tension coating t(C) satisfies t(Fo)/t(C)≧0.3, and magnetic domain refining treatment is performed by irradiation with a laser beam, plasma flame, or electron beam, a sufficient iron loss reducing effect is achieved in a range where coating detachment does not occur.
摘要翻译： 本发明提供一种晶粒取向电工钢板，其特征在于，包括：在所述钢板表面形成的镁橄榄石基膜; 以及在基底膜上形成的绝缘张力涂层，其中当通过在表面上进行荧光X射线分析通过定量分析获得的Ti强度FX（Ti），Al强度FX（Al）和Fe强度FX（Fe） 钢板满足FX（Ti）/ FX（Al）≥0.15，FX（Ti）/ FX（Fe）≥0.004，二次再结晶晶粒在与轧制方向正交的方向上的晶界的频率为20个晶界/ 100mm以下，镁橄榄石基膜t（Fo）的平均厚度和绝缘张力涂层t（C）的厚度满足t（Fo）/ t（C）≥0.3，磁畴精制处理通过 在激光束，等离子体火焰或电子束照射下，在不发生涂层剥离的范围内，实现足够的铁损降低效果。
-
7.发明申请GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR IMPROVING IRON LOSS PROPERTIES THEREOF 审中-公开面向导电的电工钢板及其改善铁损的方法公开(公告)号：US20150132547A1
公开(公告)日：2015-05-14
申请号：US14368975
申请日：2012-12-27
IPC分类号： H01F1/18 , C21D6/00 , C23F17/00 , C21D8/12 , C22C38/00 , C22C38/08 , C22C38/06 , C22C38/04 , C22C38/02 , H01F41/02 , C22C38/60
CPC分类号： H01F1/18 , C21D1/38 , C21D6/001 , C21D6/005 , C21D6/008 , C21D8/12 , C21D8/1255 , C21D8/1272 , C21D8/1283 , C21D8/1294 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/60 , C23C8/50 , C23C8/80 , C23C22/74 , C23F17/00 , H01F41/02 , Y10T428/24851
摘要： A grain-oriented electrical steel sheet, on which magnetic domain refining treatment by strain application has been performed, has an insulating coating with excellent insulation properties and corrosion resistance. The grain-oriented electrical steel sheet is obtained by irradiating a steel sheet with a high-energy beam to apply, to the steel sheet, linear strain extending in a direction that intersects a rolling direction of the steel sheet, and then re-forming an insulating coating on the steel sheet, in which in an irradiation mark region due to the high-energy beam, a ratio of an area containing defects on the insulating coating is 40% or less, a maximum width of the irradiation mark region in the rolling direction is 250 μm or less, and a thickness of the insulating coating is 0.3 μm or more and 2.0 μm or less.
摘要翻译： 已经通过应变施加进行磁畴精制处理的晶粒取向电工钢板具有绝缘性和耐腐蚀性优异的绝缘涂层。 晶粒取向电工钢板是通过用高能束照射钢板而获得的，以向钢板施加沿与钢板的轧制方向相交的方向延伸的线性应变，然后重新形成 绝缘涂层在钢板上，其中在由高能束引起的照射标记区域中，绝缘涂层上含有缺陷的区域的比例为40％以下，轧制中的照射标记区域的最大宽度 方向为250μm以下，绝缘层的厚度为0.3μm以上且2.0μm以下。
-
公开(公告)号：US20150034211A1
公开(公告)日：2015-02-05
申请号：US14367654
申请日：2012-12-21
发明人： Shigehiro Takajo , Seiji Okabe
CPC分类号： H01F1/16 , C21D1/34 , C21D1/38 , C21D8/12 , C21D8/1244 , C21D8/1294 , C21D2201/05 , C22C38/00
摘要： Disclosed is a grain-oriented electrical steel sheet exhibiting low hysteresis loss and low coercive force, in which an increase in hysteresis loss due to laser irradiation or electron beam irradiation, which has been a conventional concern, is effectively inhibited. The grain-oriented electrical steel sheet has closure domain regions (X) formed to divide the magnetic domains in a rolling direction, from one end to the other in the width direction of the steel sheet, provided that Expression (1) is satisfied: −(500t−80)×s+230≦w≦−(500t−80)×s+330 Expression (1), where t represents a sheet thickness (mm); w represents a smaller one of the widths (μm) of the regions measured on the front and rear surfaces of the steel sheet, respectively, by using a Bitter method; and s represents an average number of the regions present within one crystal grain.
摘要翻译： 公开了有效地抑制由常规问题引起的激光照射或电子束照射引起的滞后损耗增加的磁滞损耗低和矫顽力低的晶粒取向电工钢板。 晶粒取向电工钢板具有闭合区域区域（X），其形成为在钢板的宽度方向上从轧制方向的一端到另一端分割磁畴，只要满足式（1）： （500t-80）×s + 230＆nlE; w＆nlE; - （500t-80）×s + 330表达式（1）其中t表示片厚度（mm）; w表示通过使用Bitter法分别在钢板的前表面和后表面测量的区域的宽度（μm）中的较小的一个; s表示存在于一个晶粒内的区域的平均数。
-
公开(公告)号：US20220275487A1
公开(公告)日：2022-09-01
申请号：US17629863
申请日：2020-07-03
发明人： Yoshihisa Ichihara , Takeshi Omura , Hirotaka Inoue , Shigehiro Takajo , Masanori Odachi , Kunihiro Senda
摘要： A grain-oriented electrical steel sheet having linear grooves formed cyclically in a rolling direction of the grain-oriented electrical steel sheet such that a longitudinal direction of the linear grooves intersects the rolling direction, in which each of the linear grooves has a discontinuous portion of center lines where center lines of the groove are shifted in a groove width direction, and when a width of the linear groove is defined as a and a distance in the groove width direction between the center lines in the discontinuous portion of center lines is defined as b, a and b satisfy relational expression (1) below. 0.05≤b/a≤0.95 (1)
-
10.发明授权公开(公告)号：US11180834B2
公开(公告)日：2021-11-23
申请号：US16471175
申请日：2017-12-06
IPC分类号： C22C38/06 , C22C38/00 , C22C38/02 , C22C38/04 , C23C14/06 , C23C14/22 , C23C26/00 , C23C28/04 , H01F1/147
摘要： Provided are: a grain-oriented electrical steel sheet that has an excellent magnetic property and coating adhesiveness after stress relief annealing; and a production method therefor. This grain-oriented electrical steel sheet has: a steel sheet; a metal coating which contains a metal element and which is disposed on the steel sheet; a coating layer A which is a ceramic coating having an oxide content of less than 30 mass % and which is disposed on the metal coating; and a coating layer B which is an insulating tensile coating containing an oxide and which is disposed on the coating layer A, wherein the metal coating has a thickness of 1.0-10.0 nm, and in the metal element, the atomic radius ratio represented by formula (1) is at least 10%, when the atomic radius of iron is defined as RFe and the atomic radius of the metal element as RA. (|RFe−RA|/RFe)×100. Formula (1):
-
-
-
-
-
-
-
-
-
搜索结果
61 条记录 (耗时 0.025 秒)
