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11. 发明专利

JP2012052230A Oriented magnetic steel plate and production method for the same 有权
标题翻译：面向磁钢板及其生产方法
公开(公告)号：JP2012052230A
公开(公告)日：2012-03-15
申请号：JP2011172254
申请日：2011-08-05
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OMURA TAKESHI , YAMAGUCHI HIROSHI , OKABE SEIJI
IPC分类号： C22C38/00 , C21D8/12 , C21D9/46 , C22C38/60 , H01F1/16
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： PROBLEM TO BE SOLVED: To provide an oriented magnetic steel plate with magnetic domain refinement by electron beam irradiation and which achieves excellent low-noise characteristics when assembled on an existing transformer.SOLUTION: In the oriented magnetic steel plate, the ratio (Wa/Wb) between a film thickness (Wa) of a fosterite coating on a distortion introduction side of the steel plate and a film thickness (Wb) of the fosterite coating on a distortion non-introduction side is 0.5 or greater; the average width of a discontinuous section in a magnetic domain in the steel plate surface on the distortion introduction side is 150-300 [mu]m; and the average width of the discontinuous section in the magnetic domain in the steel plate surface on the distortion non-introduction side is 250-500 [mu]m.
摘要翻译：要解决的问题：通过电子束照射提供具有磁畴细化的取向磁钢板，并且当组装在现有的变压器上时具有优异的低噪声特性。解决方案：在定向磁性钢板中，钢板的变形引入侧的振动涂层的膜厚（Wa）与振动层的膜厚（Wb）之比（Wa / Wb）在失真非引入侧为0.5以上; 在畸变引入侧的钢板表面的磁畴中的不连续部分的平均宽度为150-300μm; 并且在失真非导入侧的钢板表面中的磁畴中的不连续部分的平均宽度为250-500μm。版权所有（C）2012，JPO＆INPIT

12. 发明专利

JP2012031519A Directional electromagnetic steel sheet and manufacturing method therefor 有权
标题翻译：方向电磁钢板及其制造方法
公开(公告)号：JP2012031519A
公开(公告)日：2012-02-16
申请号：JP2011146562
申请日：2011-06-30
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OKABE SEIJI , TODA HIROAKI , YAMAGUCHI HIROSHI , OMURA TAKESHI
IPC分类号： C21D8/12 , C23C22/00 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a directional electromagnetic steel sheet excellent in both core loss and magnetostriction characteristics.SOLUTION: The method includes, when irradiating with a laser a directional electromagnetic steel sheet subjected to forsterite film formation followed by tensile strength coating formation to thereby reduce the core loss of the flat rolled electromagnetic steel sheet and strip, detecting the amount of forsterite film prior to tensile strength coating formation, as well as detecting the amount of tensile strength coating after tensile strength coating formation, collating these amounts of detection with the relation between the amounts of forsterite film and tensile strength coating in which the core loss after laser irradiation is within a target range and the laser irradiation conditions, the relation being evaluated in advance, and irradiating with a laser the directional electromagnetic steel sheet under the irradiation conditions obtained as the result of the collation.
摘要翻译：要解决的问题：提供一种制造磁芯损耗和磁致伸缩特性优异的方向电磁钢板的方法。解决方案：该方法包括：当用激光照射经过镁橄榄石成膜的定向电磁钢板，然后进行拉伸强度涂层形成，从而减小平轧电磁钢板和钢带的铁损，在拉伸强度涂层形成之前的镁橄榄石膜，以及检测拉伸强度涂层形成之后的拉伸强度涂层的量，将这些检测量与镁橄榄石膜的量和拉伸强度涂层之间的关系进行比较，其中激光后的芯损耗照射在目标范围内，激光照射条件，关系被预先评估，并且在作为核对结果获得的照射条件下用激光照射定向电磁钢板。版权所有（C）2012，JPO＆INPIT

13. 发明专利

JP2012031517A Grain-oriented electromagnetic steel sheet and method for forming insulating film of grain-oriented electromagnetic steel sheet 有权
标题翻译：面向电磁钢板的成粒电磁钢板绝缘膜的制备方法
公开(公告)号：JP2012031517A
公开(公告)日：2012-02-16
申请号：JP2011146418
申请日：2011-06-30
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： C23C22/00 , C21D9/46 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To effectively reduce noise feared when a grain-oriented electromagnetic steel sheet is used by being laminated on an iron core of transformer, etc. by adding contrivance to insulating coating process.SOLUTION: Distortion is given to the surface of the grain-oriented electromagnetic steel sheet already insulating-coated and finish-annealed, by at least one of an optical means, a mechanical means, a chemical means and a thermal means, and insulating coating is given only to the distortion-given surface again, in the grain-oriented electromagnetic steel sheet. In this steel sheet, a solid matter is added in insulating coating, and the solid matter is not exserted in the distortion-given surface, while the solid matter is exserted in the surface opposite to the distortion-given surface.
摘要翻译：要解决的问题：为了有效地减少通过在变压器的铁芯上层叠而使用晶粒取向电磁钢板时，通过添加绝缘涂层工艺来防止噪音。解决方案：通过光学装置，机械装置，化学装置和热装置中的至少一种，对已经绝缘涂覆和精制退火的晶粒取向电磁钢板的表面进行变形，以及在晶粒取向的电磁钢板中，再次仅对变形给定的表面进行绝缘涂层。在这种钢板中，在绝缘涂层中添加固体物质，固体物质不会在变形给定的表面中露出，同时在与变形给定表面相反的表面中露出固体物质。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2011075297A Method for measuring core loss 有权
标题翻译：测量核心损失的方法
公开(公告)号：JP2011075297A
公开(公告)日：2011-04-14
申请号：JP2009224202
申请日：2009-09-29
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , IMANISHI DAISUKE
IPC分类号： G01N25/18
摘要： PROBLEM TO BE SOLVED: To provide a method for measuring core loss simply and accurately measuring power loss distribution in a magnetic steel sheet or in a laminated body of the same which composes a transformer core and the like. SOLUTION: The method for measuring the core loss of the magnetic steel sheet or the laminated body of the same measures an alternate current core loss value of an object to be measured, which is the magnetic steel sheet or the laminated body of the same, by thermography from the temperature rising rate of the surface, wherein the magnetic field change rate until reaching a predetermined excitation condition is 0.004-0.1 T/sec, and the temperature rising rate of the object to be measured is measured in not less than 1 sec and within not more than 40 sec after reaching the excitation condition. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种测量磁芯损耗的方法，其简单且准确地测量电磁钢板或其中构成变压器铁心的层压体等的功率损耗分布。＆lt; P＆gt;解决方案：用于测量电磁钢板或其层压体的铁心损耗的方法测量作为电磁钢板或层压体的被测量物体的交流磁芯损耗值相同的是，通过从表面的升温速度的热成像，其中直到达到预定激发条件的磁场变化率为0.004-0.1T / sec，并且测量对象的升温速率不小于达到励磁条件后不超过40秒。版权所有（C）2011，JPO＆INPIT

15. 发明专利

JP2015004091A 方向性電磁鋼板の製造方法および方向性電磁鋼板用冷間圧延板有权
标题翻译：生产面向电工钢板的方法和面向电磁钢板的冷轧板
公开(公告)号：JP2015004091A
公开(公告)日：2015-01-08
申请号：JP2013128829
申请日：2013-06-19
申请人： Jfeスチール株式会社 , Jfe Steel Corp
发明人： TAKAGI SHIGEHIRO , ARAGAKI YUKIHIRO , HAYAKAWA YASUYUKI , YAMAGUCHI HIROSHI
IPC分类号： C21D8/12 , B21B3/02 , C22C38/00 , C22C38/60 , H01F1/16
摘要：【課題】窒化珪素を形成する目的で二次再結晶前の鋼板に窒素を加える方向性電磁鋼板において、熱延工程を適正化し、再結晶工程を追加することによって斜めCube方位を減少させ、良好な磁気特性を有する方向性電磁鋼板の製造方法を提供する。【解決手段】所定の組成になる鋼スラブを、再加熱することなくあるいは再加熱後、通常の熱間圧延の後あるいは通常の熱間圧延において、n段の圧延スタンドを有する圧延機を用い、所定条件にて板厚:4mm以下としたのち、焼鈍および圧延によって最終板厚の冷間圧延板とし、ついで一次再結晶焼鈍の途中、あるいは焼鈍後に窒素増量が50質量ppm以上1000質量ppm以下となる窒化処理を施した後、焼鈍分離剤を塗布し、二次再結晶焼鈍する。【選択図】図1
摘要翻译：要解决的问题：提供一种在二次再结晶之前向钢板中加入氮的晶粒取向电工钢板的制造方法，以形成氮化硅，通过调整热轧步骤并加入重结晶来降低倾斜立方体取向以获得具有良好磁特性的方向性电磁钢板。解决方案：将特定组成的钢板任选地再加热，然后在规定的条件下或普通的条件下轧制成4mm或更小的板厚通过使用具有n步轧制机的轧制机进行热轧，通过退火和轧制形成最终板厚的冷轧板，进行氮化处理，在氮化处理期间或之后的氮重量增加为50-1000质量ppm 一次再结晶退火，用退火分离机进行二次再结晶退火。

16. 发明专利

JP2014156644A Nitriding treatment facility for grain-oriented electromagnetic steel sheet, and nitriding treatment method 有权
标题翻译：面向电磁铁片的硝化处理设备及硝化处理方法
公开(公告)号：JP2014156644A
公开(公告)日：2014-08-28
申请号：JP2013029356
申请日：2013-02-18
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MATSUDA HIROSHI , TAKAHASHI HIDEYUKI , YAMAGUCHI HIROSHI , HAYAKAWA YASUYUKI , ARAGAKI YUKIHIRO , TERAJIMA TAKASHI
IPC分类号： C21D9/46 , C21D8/12 , C23C8/38 , H01F1/16
CPC分类号： C21D8/1255 , C21D8/12 , C21D8/1272 , C21D9/0006 , C21D9/46 , C23C8/02 , C23C8/26 , C23C8/38 , C23C8/80 , H01F1/16 , H01F41/02 , H01J37/32018 , H01J37/3277
摘要： PROBLEM TO BE SOLVED: To provide a nitriding treatment facility for grain-oriented electromagnetic steel sheet that is highly useful in obtaining an excellent magnetic property with no variation, by, during the production of grain-oriented electromagnetic steel sheet, subjecting the sheet to appropriate nitriding treatment prior to secondary recrystallization, to uniformly disperse the inhibitor forming elements over the entire length and width of the strip.SOLUTION: A nitriding treatment facility for grain-oriented electromagnetic steel sheet in which, in a production line of grain-oriented electromagnetic steel sheet, nitriding treatment is continuously applied to a strip pair which is continuously passed through, after the cold rolling and before the secondary recrystallization annealing, and in which there is provided with a nitriding treatment zone to apply nitriding treatment to the strip, a cooling zone to cool the strip, and a heating zone to heat the strip prior to the nitriding treatment zone as required, and in the nitriding treatment zone there is placed a positive electrode for glow discharge oppositely to the strip, as well as there being placed a negative electrode for glow discharge adjacent to the strip between the positive electrode and the strip, and a glow discharge is generated between the positive electrode and the negative electrode and the generated plasma is irradiated to the strip, to apply nitriding treatment.
摘要翻译：要解决的问题：为了提供一种在获得优异的磁性能而无变化的高度有用的晶粒取向电磁钢板的氮化处理设备，通过在晶粒取向电磁钢板的制造过程中，对片材进行适当的在二次再结晶之前进行氮化处理，使抑制剂形成元件均匀地分散在条带的整个长度和宽度上。解决方案：一种用于晶粒取向电磁钢板的氮化处理设备，其中在晶粒取向电磁钢在冷轧后和二次再结晶退火之前，连续地通过的条形板对氮化处理持续施加，并且在其中设置有氮化处理区以对带进行氮化处理，冷却区以冷却条带和加热区域以在氮化之前加热条带并且在氮化处理区域中，放置有用于与带状物相反的辉光放电的正电极，并且在正电极和带之间设置有用于辉光放电的负电极，邻近带状物，并且在正极和负极之间产生辉光放电，并将所产生的等离子体照射到条上，进行氮化处理。

17. 发明专利

JP2014114490A Method for producing grain oriented silicon steel sheet having excellent magnetic property 有权
标题翻译：用于生产具有优异磁性性能的面向导电硅钢片的方法
公开(公告)号：JP2014114490A
公开(公告)日：2014-06-26
申请号：JP2012270497
申请日：2012-12-11
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , HAYAKAWA YASUYUKI , ARAGAKI YUKIHIRO , MATSUDA HIROSHI , WAKISAKA YUIKO
IPC分类号： C21D8/12 , B21B1/22 , B21B3/02 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a grain oriented silicon steel sheet which responds to the request for further reduction of core loss.SOLUTION: A method for producing a grain oriented silicon steel sheet composed of a series of steps in which: a steel slab having a prescribed composition is subjected to hot rolling at 1300°C or lower, is, if required, subjected to hot rolled sheet annealing and is thereafter subjected to cold rolling by single rolling into a cold rolled steel sheet with a final sheet thickness; and then, the cold rolled sheet is subjected to primary recrystallization annealing, is thereafter coated with a separation agent for annealing and is subjected to secondary recrystallization annealing. In the method, the size of a work roll upon the cold rolling is controlled to 250 mm or higher, and also, in a meantime after the primary recrystallization annealing to the completion of the secondary recrystallization, sulfur-increasing treatment by which the content of S in the steel sheet is controlled to 100 to 400 mass ppm is performed.
摘要翻译：要解决的问题：提供一种响应于进一步减少铁芯损耗的要求的晶粒取向硅钢板的制造方法。解决方案：一种由一系列步骤制成的晶粒取向硅钢板的制造方法，其中：将具有规定组成的钢坯在1300℃以下进行热轧，如果需要，进行热轧板退火，然后通过单轧进行冷轧，制成具有最终板的冷轧钢板厚度; 然后对冷轧板进行一次再结晶退火，然后用退火用分离剂进行涂布，进行二次再结晶退火。在该方法中，将冷轧后的工作辊的尺寸控制在250mm以上，同时在一次再结晶退火到二次再结晶完成之后，进行增硫处理，将钢板中的S控制为100〜400质量ppm。

18. 发明专利

JP2014070973A Steel plate inspection apparatus and steel plate inspection method 有权
标题翻译：钢板检查装置和钢板检查方法
公开(公告)号：JP2014070973A
公开(公告)日：2014-04-21
申请号：JP2012216380
申请日：2012-09-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ITO TOMOHIKO , YOTSUTSUJI JUNICHI , TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , HANAZAWA KAZUHIRO , KOGA YASUNARI , SAIKI JUNICHI
IPC分类号： G01N27/72 , C21D8/12 , G01R33/032 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To perform visualized inspection of a magnetic domain structure of a steel plate continuously without stopping a manufacturing line.SOLUTION: A steel plate inspection apparatus 1 according to the present invention comprises: a central shaft 3 bridged in a plate width direction of a steel plate 2 in a manufacturing line; a roll 4 rotating around the central shaft 3 while pressing the steel plate 2 so that a distance between the steel plate 2 and the central shaft 3 is kept constant; a magnetooptical element 5 that is placed close to the steel plate 2 and can detect a magnetic domain structure of the steel plate 2 as optical characteristics; a fixture 6 that is fixed on the central shaft 3 and makes the a magnetooptical element 5 keep a constant distance from the central shaft 3; a light source for irradiating the magnetooptical element 5 with linear polarization; and a detector 7 for detecting the linear polarization whose polarization plane is rotated in accordance with the magnetic domain structure of the steel plate 2 that has been transcribed to the magnetooptical element 5.
摘要翻译：要解决的问题：连续地进行钢板的磁畴结构的可视化检查而不停止生产线。解决方案：根据本发明的钢板检查装置1包括：在板宽度方向上桥接的中心轴3 的钢板2; 围绕中心轴3旋转的辊4，同时按压钢板2，使得钢板2和中心轴3之间的距离保持恒定; 放置在靠近钢板2的磁光元件5，可以检测钢板2的磁畴结构作为光学特性; 固定在中心轴3上并使磁光元件5与中心轴3保持恒定距离的固定装置6; 用于以线偏振照射磁光元件5的光源; 以及检测器7，用于检测其偏振面根据已被转录到磁光元件5的钢板2的磁畴结构而旋转的线偏振。

19. 发明专利

JP2013234342A Method of magnetic domain refinement and grain-oriented electromagnetic steel sheet 有权
标题翻译：磁畴精制和面向电磁钢板的方法
公开(公告)号：JP2013234342A
公开(公告)日：2013-11-21
申请号：JP2012105811
申请日：2012-05-07
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MATSUDA HIROSHI , TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , TAKASHIMA MINORU
IPC分类号： C21D8/12 , B23K26/00 , C22C38/00 , C22C38/60 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To provide a method of a magnetic domain refinement capable of preventing a film from destroying even if a high energy beam is irradiated to the film under a condition of sufficiently obtaining an improvement effect in magnetic property, and not requiring re-coating of an insulating film, and also to provide a grain-oriented electromagnetic steel sheet manufactured by the method.SOLUTION: A method of a magnetic domain refinement includes scanning and irradiating a high energy beam to a surface of a grain-oriented electromagnetic steel sheet provided with an insulating film having a film tension of 5 MPa or more in a direction intersecting with a rolling direction after a finish annealing, to thereby introduce thermal strain regions. The magnetic domain refinement is carried out by irradiating the high energy beam while the compressive stress of 90% or less of the yield stress is applied to an irradiation surface by twisting/deforming and curving the steel sheet.
摘要翻译：要解决的问题：为了提供一种能够在充分获得磁性能改善效果的条件下即使在能量束照射高能量光束时能够防止膜破坏的磁畴细化的方法，涂覆绝缘膜，并且还提供通过该方法制造的晶粒取向的电磁钢板。解决方案：磁畴细化的方法包括扫描并将高能束照射到晶粒取向电磁钢板的表面在最终退火后，在与轧制方向交叉的方向上具有5MPa以上的膜张力的绝缘膜，从而引入热应变区域。通过照射高能束进行磁畴细化，同时通过扭曲/变形和弯曲来对照射面施加90％以下的屈服应力的压缩应力。

20. 发明专利

JP2013072116A 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：JP2013072116A
公开(公告)日：2013-04-22
申请号：JP2011212355
申请日：2011-09-28
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： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented electrical steel sheet which sufficiently exhibits effects of segmentalized magnetic domains and has excellent magnetic properties even when an irradiation rate of an electron beam becomes higher than before.SOLUTION: When the length of a heat-affected zone in the scanning direction of an electron beam is L(μm), and the length of the heat-affected zone in the direction perpendicular to the scanning direction is L(μm), the ratio between them (L/L) is 1.2 or more.

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