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61. 发明专利

JP2012194174A Electron beam irradiating method 有权
标题翻译：电子束辐照方法
公开(公告)号：JP2012194174A
公开(公告)日：2012-10-11
申请号：JP2011273758
申请日：2011-12-14
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , OMURA TAKESHI , INOUE HIROTAKA , OKABE SEIJI
IPC分类号： G21K5/04 , C21D1/38 , G21K5/00
摘要： PROBLEM TO BE SOLVED: To provide an electron beam irradiating method in which the local temperature rise of an idle target can be prevented advantageously and furthermore, deformation of the idle target and occurrence of metal vapor can be avoided.SOLUTION: When a separately prepared idle target is irradiated with electron beams for a period until the output of the electron beams are stabilized or for a period until the outside of a metal strip is irradiated with the electron beams in the method that the metal strip is irradiated with the electron beam, a beam irradiation diameter on the idle target surface when the idle target is irradiated with the electron beams is made at least 1.2 times the beam irradiation diameter on the metal strip surface when the metal strip is irradiated with the electron beams.
摘要翻译：解决的问题：为了提供能够有效地防止怠速目标的局部温度升高的电子束照射方法，此外，可以避免怠速目标的变形和金属蒸汽的发生。解决方案：当单独准备的空闲目标被电子束照射一段时间直到电子束的输出稳定为止，或直到金属带的外部被电子束照射的时间段金属条被电子束照射时，当用电子束照射怠速目标时，在怠速目标表面上的光束照射直径在金属条带被照射时至少为金属条表面上的光束照射直径的1.2倍电子束。版权所有（C）2013，JPO＆INPIT

62. 发明专利

JP2012177164A Method for manufacturing grain-oriented magnetic steel sheet 有权
标题翻译：制造面向磁性的钢板的方法
公开(公告)号：JP2012177164A
公开(公告)日：2012-09-13
申请号：JP2011040745
申请日：2011-02-25
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , OKABE SEIJI , OMURA TAKESHI , TAKAGI SHIGEHIRO , INOUE HIROTAKA
IPC分类号： C21D8/12 , C21D9/46 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented magnetic steel sheet formed with a groove that reduces iron loss of a steel sheet more effectively even when subjected to stress relief annealing.SOLUTION: In irradiating with a laser beam or electron beam in pulses to form a linear groove in a direction intersecting with a rolling direction of the grain-oriented magnetic steel sheet, a groove width formed by the irradiation with a line of beam over one end to the other end of an edge of the steel plate is controlled narrower than a final groove width, and is irradiated with two or more lines of beam to form a linear groove with the final groove width.
摘要翻译：要解决的问题：提供一种形成有凹槽的晶粒取向电磁钢板，即使在进行消除应力退火时也能更有效地减少钢板的铁损。解决方案：在以脉冲形式照射激光束或电子束的方向上，在与晶粒取向电磁钢板的轧制方向相交的方向上形成直线槽，通过用光束线照射形成的槽宽度控制钢板边缘另一端的一端被控制得比最终的槽宽窄，并用两条或更多条梁束照射，形成具有最终槽宽度的直线槽。版权所有（C）2012，JPO＆INPIT

63. 发明专利

JP2012177149A Grain-oriented silicon steel sheet, and method for manufacturing the same 有权
标题翻译：面向硅的硅钢板及其制造方法
公开(公告)号：JP2012177149A
公开(公告)日：2012-09-13
申请号：JP2011040196
申请日：2011-02-25
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OMURA TAKESHI , INOUE HIROTAKA , TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , OKABE SEIJI
IPC分类号： C21D8/12 , B23K15/00 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/60 , H01F1/16 , H01F1/18 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented silicon steel sheet obtaining excellent noise characteristics and core loss characteristics when the steel sheets are assembled to an actual transformer.SOLUTION: The average β angle of the secondary recrystallized particle is ≤2°. The average β angle variation range within the secondary recrystallized particle is ≥1° and ≤4°. Surface tension in the rolling direction is ≥10 MPa. Magnetostriction λp-p at the magnetic flux density of 1.7T and the frequency of 50 Hz is ≤1.0×10. Further, the plate thickness t and the core loss Wsatisfy following expression (1): W≤2.1×t +0.3, where t denotes the plate thickness (mm).
摘要翻译：要解决的问题：提供一种晶粒取向硅钢板，当将钢板组装到实际变压器上时，获得优异的噪声特性和磁芯损耗特性。
解决方案：二次再结晶粒子的平均β角度≤2°。二次再结晶粒子的平均β角变化范围为≥1°，≤4°。轧制方向的表面张力≥10MPa。磁通密度为1.7T，频率为50Hz的磁致伸缩λp-p为≤1.0×10 -6。此外，板厚t和铁心损耗W 17/50 <满足以下表达式（1）：W 17/50 ≤ 2.1×t +0.3，其中t表示板厚度（mm）。版权所有（C）2012，JPO＆INPIT

64. 发明专利

JP2012172191A Production method for grain-oriented magnetic steel sheet 有权
标题翻译：面向磁性钢板的生产方法
公开(公告)号：JP2012172191A
公开(公告)日：2012-09-10
申请号：JP2011034809
申请日：2011-02-21
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OMURA TAKESHI , INOUE HIROTAKA , TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , OKABE SEIJI
IPC分类号： C21D9/46 , B23K15/00 , C21D8/12 , C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented magnetic steel sheet exhibiting excellent core-loss characteristics and noise characteristics when the steel sheet is assembled into an actual transformer.SOLUTION: When a magnetic domain refinement treatment with electron beam irradiation is performed after last final annealing or after tension coating treatment, relationship between a residence time t per one point and a point interval X is controlled to fall within the following ranges according to the output of the electron beam: (1) 0.05≤2(Dat)/X≤1.5 when the beam output is lower than 600 W; (2) 0.03≤2(Dat)/X≤0.8 when the beam output is 600-1,200 W; and (3) 0.01≤2(Dat)/X≤0.2 when the beam output exceeds 1,200 W, wherein Da: a thermal diffusion rate (22.7x10m/s at 300K in Fe), t: a residence time per one point (s), X: a point interval (mm).
摘要翻译：要解决的问题：提供当将钢板组装到实际变压器中时具有优异的铁心损耗特性和噪声特性的晶粒取向电磁钢板。解决方案：当在最后一次退火或拉伸涂布处理之后进行电子束照射的磁畴细化处理时，每点停留时间t与点间隔X之间的关系被控制在以下范围内对于电子束的输出：（1）0.05≤2（Da t） 1/2 /X≤1.5 当光束输出低于600W时; （2）当光束输出为600-1200时，0.03≤2（Da 。 t） 1/2 /X≤0.8 瓦; 当光束输出超过1200W时，（3）0.01≤2（Da 。 t） 1/2 /X≤0.2 其中Da：在300K下Fe的热扩散速率（22.7×10 6 / s），t：a 每一点停留时间，X：点间隔（mm）。版权所有（C）2012，JPO＆INPIT

65. 发明专利

JP2012126995A Method for manufacturing grain-oriented electromagnetic steel sheet 有权
标题翻译：制造面向导电电磁钢板的方法
公开(公告)号：JP2012126995A
公开(公告)日：2012-07-05
申请号：JP2011258174
申请日：2011-11-25
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SENDA KUNIHIRO , YAMAGUCHI HIROSHI , OKABE SEIJI
IPC分类号： C21D8/12 , B21B3/02 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented electromagnetic steel sheet capable of optimizing thermal strain near a surface of the steel sheet when input energy is increased to obtain a high effect of subdividing a magnetic domain with respect to the grain-oriented electromagnetic steel sheet having an insulating film on its surface, thereby obtaining the desired effect of core loss reduction.SOLUTION: The grain-oriented electromagnetic steel sheet is manufactured by forming an electron beam irradiation zone by emitting at least two electron beams with acceleration voltages different from each other by at least 10 kV, wherein a center distance of the electron beams in the electron beam irradiation zone is within 1 mm.
摘要翻译：解决的问题：为了提供一种能够在输入能量增加时优化钢板表面附近的热应变的晶粒取向电磁钢板，以获得相对于晶粒尺寸的磁畴的细分，其表面具有绝缘膜，从而获得所需的磁芯损耗降低效果。解决方案：通过用至少两个彼此不同的加速电压发射至少两个电子束形成电子束照射区域制造晶粒取向电磁钢板，其中电子束的中心距离在电子束照射区域在1mm以内。版权所有（C）2012，JPO＆INPIT

66. 发明专利

JP2012057219A Grain-oriented electromagnetic steel sheet and method of manufacturing the same 有权
标题翻译：面向导电电磁钢板及其制造方法
公开(公告)号：JP2012057219A
公开(公告)日：2012-03-22
申请号：JP2010202378
申请日：2010-09-09
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , OMURA TAKESHI , OKABE SEIJI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method of obtaining a grain-oriented electromagnetic steel sheet with low noise generated when exciting a transformer iron core produced using the steel sheet, in a method of manufacturing the grain-oriented electromagnetic steel sheet for reducing iron loss by irradiating a steel sheet surface with a laser and forming irradiation marks in a continuous or noncontinuous line shape on the surface.SOLUTION: When scanning a laser in a direction crossing a rolling direction of the steel sheet on the surface of the grain-oriented electromagnetic steel sheet after secondary recrystallization annealing, repeatedly performing irradiation at an interval in the rolling direction, and executing magnetic domain subdivision processing, the interval in the rolling direction of laser scanning is changed.
摘要翻译：要解决的问题：提供一种获得在使用该钢板制造的变压器铁芯激励时产生的噪声低的晶粒取向电磁钢板的方法，在制造用于通过用激光照射钢板表面并在表面上形成连续或非连续线状的照射痕迹来减少铁损。解决方案：在二次再结晶退火之后沿着与取向电磁钢板的表面的钢板的轧制方向交叉的方向扫描激光，在轧制方向上反复进行照射，并执行磁性域分割处理，激光扫描的滚动方向的间隔发生变化。版权所有（C）2012，JPO＆INPIT

67. 发明专利

JP2012052233A Method for producing grain-oriented electromagnetic steel sheet 有权
标题翻译：生产面向导电电磁钢板的方法
公开(公告)号：JP2012052233A
公开(公告)日：2012-03-15
申请号：JP2011172323
申请日：2011-08-05
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： HAYAKAWA YASUYUKI , OMURA TAKESHI , YAMAGUCHI HIROSHI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , C23C22/00 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To provide a way for sufficiently relishing improvement effect of magnetic characteristic even when the warpage caused by electronic beam or laser irradiation is eliminated.SOLUTION: In performing a magnetic domain fragmentation treatment by irradiating an electronic beam or a laser to a grain-oriented electromagnetic steel sheet after the completion of finish annealing in a direction crossing with the rolling direction of the steel sheet, warpage is granted to the steel sheet just before the irradiation of the electron beam or the laser and the electron beam or the laser is irradiated to the convex side of the warpage in order to evenly straighten the steel sheet.
摘要翻译：要解决的问题：即使当消除由电子束或激光照射引起的翘曲时，提供充分改善磁特性的改善效果的方法。解决方案：通过在与钢板的轧制方向交叉的方向上完成最终退火后将电子束或激光照射到晶粒取向电磁钢板进行磁畴破碎处理，获得翘曲在电子束或激光照射之前的钢板上，并且电子束或激光照射到翘曲的凸面，以均匀地拉直钢板。版权所有（C）2012，JPO＆INPIT

68. 发明专利

JP2012036446A Grain-oriented electrical steel sheet and method for producing the same 有权
标题翻译：面向导电的电工钢板及其制造方法
公开(公告)号：JP2012036446A
公开(公告)日：2012-02-23
申请号：JP2010178026
申请日：2010-08-06
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OMURA TAKESHI , INOUE HIROTAKA , YAMAGUCHI HIROSHI , OKABE SEIJI
IPC分类号： C22C38/00 , C21D8/12 , C22C38/60 , C23C22/00 , H01F1/16 , H01F1/18
CPC分类号： H01F41/00 , B21B3/02 , C21D8/1255 , C21D8/1272 , C21D8/1283 , C21D8/1288 , C21D8/1294 , C22C38/00 , C22C38/001 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/34 , H01F1/18 , Y10T428/2457 , Y10T428/24612
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented electrical steel sheet capable of further reducing iron loss of a material with a groove formed thereon for magnetic domain fragmentation and capable of obtaining excellent low-iron-loss characteristics when incorporated into an actual transformer.SOLUTION: There is provided a grain-oriented electrical steel sheet having the following characteristics: the thickness of a forsterite coating at the bottom of a groove formed on the surface of the steel sheet is 0.3 μm or more; the groove frequency which is the abundance ratio of grooves having, immediately thereunder, crystal grains with an orientation difference of 10° or more from the Goss orientation and a grain size of 5 μm or more is 20% or less; the total tension to be applied to the steel sheet by the forsterite coating and a tension coating is 10.0 MPa or more in the rolling direction and 5.0 MPa or more in the direction perpendicular to the rolling direction; and the total of these tensions satisfies the relationship of formula: 1.0≤A/B≤5.0, where A is the total tension applied in the rolling direction by the forsterite coating and the tension coating, and B is the total tension applied in the direction perpendicular to the rolling direction by the forsterite coating and the tension coating.
摘要翻译：解决问题的方案：提供一种能够进一步降低材料的铁损的方向性电磁钢板，其上形成有用于磁畴破碎的凹槽，并且能够在掺入到磁场中时获得优异的低铁损特性实际变压器。解决方案：提供一种具有以下特征的晶粒取向电工钢板：在钢板表面形成的槽底部的镁橄榄石涂层的厚度为0.3μm以上; 与之前相比，具有从高斯取向取向差为10°以上的晶粒和5μm以上的晶粒尺寸的槽的丰度比的槽频率为20％以下; 通过镁橄榄石涂层和张力涂布施加到钢板上的总张力在轧制方向上为10.0MPa以上，在垂直于轧制方向的方向为5.0MPa以上。并且这些张力的总和满足公式：1.0≤A/B≤5.0的关系，其中A是通过镁橄榄石涂层和张力涂层在轧制方向上施加的总张力，B是沿方向施加的总张力通过镁橄榄石涂层和张力涂层垂直于轧制方向。版权所有（C）2012，JPO＆INPIT

69. 发明专利

JP2012036443A Electron beam irradiation method 有权
标题翻译：电子束辐射方法
公开(公告)号：JP2012036443A
公开(公告)日：2012-02-23
申请号：JP2010177882
申请日：2010-08-06
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , OKABE SEIJI , OMURA TAKESHI
IPC分类号： C21D8/12 , C21D1/38 , C21D9/56 , G21K5/04 , G21K5/10 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide an electron beam irradiation method capable of suppressing variation in core loss values in the plate width direction by performing electron beam irradiation exactly in response to the alteration of strip width even when the strip width alters.SOLUTION: When electron beam scanning is continuously performed in the width direction of a travelling metal strip by a plurality of electron guns, the position of each electron gun is adjusted both in the direction parallel to the width direction of the strip and the vertical direction to the strip surface in response to the position alteration of the strip used as an irradiation object.

70. 发明专利

JP2012035302A Electron beam irradiation device 有权
标题翻译：电子束辐照器件
公开(公告)号：JP2012035302A
公开(公告)日：2012-02-23
申请号：JP2010177689
申请日：2010-08-06
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , HANAZAWA KAZUHIRO , OKABE SEIJI , OMURA TAKESHI
IPC分类号： B23K15/00 , C21D8/12
摘要： PROBLEM TO BE SOLVED: To provide an electron beam irradiation device that prevents contamination of a vacuum chamber or electron gun by reducing an adverse effect due to an evaporation component incidental to the damage of an insulation coating, which could be led when irradiating with an electron beam at high energy, without giving rise to deterioration of a magnetic domain subdividing effect caused by the electron beam irradiation.SOLUTION: In the electron beam irradiation device, a shielding plate with a slit through which the electron beam passes, is arranged on the side of a metallic strip surface to which the electron beam is radiated, when electronic beam scanning is performed by the electron gun successively in the width direction of the running metallic strip.
摘要翻译：要解决的问题：提供一种电子束照射装置，其通过减少由于绝缘涂层的损伤附带的蒸发成分引起的不利影响来防止真空室或电子枪的污染，这可以在照射时引发具有高能量的电子束，而不会导致由电子束照射引起的磁畴细分效应的劣化。解决方案：在电子束照射装置中，电子束通过的狭缝的屏蔽板被布置在电子束被辐射的金属条表面的一侧，当电子束扫描由电子枪在运行中的金属条的宽度方向依次。版权所有（C）2012，JPO＆INPIT

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