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61. 发明专利

JP2012012661A Core-loss improving device and core-loss improving method for grain-oriented electromagnetic steel sheet 有权
标题翻译：晶粒破坏改进装置和核心损耗改进方法用于面向导电的电磁钢板
公开(公告)号：JP2012012661A
公开(公告)日：2012-01-19
申请号：JP2010150173
申请日：2010-06-30
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OKABE SEIJI , YAMAGUCHI HIROSHI , OMURA TAKESHI
IPC分类号： C21D8/12 , B23K26/00 , C22C38/00 , C22C38/04 , C22C38/60
CPC分类号： B23K26/0846 , B23K26/00 , B23K2201/16 , B23K2203/04 , 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： PROBLEM TO BE SOLVED: To provide a device and a method that solve the problem of dust, prevent reduction in laser irradiation capability due to contamination, and reliably reduce the core loss of a grain-oriented magnetic steel sheet.SOLUTION: When reducing the core loss of the electromagnetic steel sheet by irradiating the surface of the grain-oriented electromagnetic steel sheet which is finally annealed with laser, a laser radiation point is arranged at a position where, when the distance between the laser radiation point in an irradiation device of the laser, and a laser irradiation point on the steel sheet is set as L (mm), and the angle between a straight line connecting the laser radiation point to the laser irradiation point and the vertical direction is set as θ(°), L is 50 or more, and further in the case of L≤100, 60-0.3L≤θ≤60 is obtained, in the case of 100
摘要翻译：要解决的问题：提供一种解决灰尘问题的装置和方法，防止由于污染导致的激光照射能力的降低，并可靠地降低晶粒取向电磁钢板的铁损。解决方案：通过照射最后用激光退火的晶粒取向电磁钢板的表面来减少电磁钢板的磁芯损耗，激光辐射点被布置在位置处，激光照射装置中的激光照射点，钢板上的激光照射点设定为L（mm），将激光照射点与激光照射点和垂直方向连接的直线之间的角度设为设为θ（°），L为50以上，进一步在L≤100的情况下，得到60〜0.3L≤θ≤60，在100

62. 发明专利

JP2014208895A 方向性電磁鋼板の製造方法有权
标题翻译：生产面向电磁钢的方法
公开(公告)号：JP2014208895A
公开(公告)日：2014-11-06
申请号：JP2014055435
申请日：2014-03-18
申请人： Jfeスチール株式会社 , Jfe Steel Corp
发明人： YAMAGUCHI HIROSHI , ARAGAKI YUKIHIRO , WAKISAKA YUIKO , MATSUDA HIROSHI , HAYAKAWA YASUYUKI , TERAJIMA TAKASHI
IPC分类号： C21D8/12 , B21B3/02 , B21B45/00 , C22C38/00 , C22C38/60 , H01F1/16
CPC分类号： B21B3/02 , B21B45/00 , C21D8/12 , 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た方向性電磁鋼板が、窒素を鋼中へ効率的に拡散させ、窒化珪素を粒界に析出させることで、良好な磁気特性を有するものとなる方向性電磁鋼板の製造方法を提供する。【解決手段】冷間圧延時のワークロール径を250mm以上とし、さらに、一次再結晶焼鈍中、焼鈍後のいずれかのタイミングで窒素増量(ΔN)が50質量ppm以上1000質量ppm以下となる窒化処理を施す。【選択図】図1
摘要翻译：要解决的问题：提供一种通过在二次再结晶之前向钢板中添加氮以形成氮化硅并且由于氮有效扩散到钢中而具有良好的磁特性而产生的晶粒取向电工钢的方法，氮化硅在晶界中的沉积。解决方案：冷轧中使用的工作辊的直径为250mm或更大，氮化处理产生50-1,000质量ppm的氮加权（＆Dgr; N）一次再结晶退火或退火后的时间。

63. 发明专利

JP2014156646A Nitriding treatment facility and nitriding treatment method for grain-oriented electrical steel sheet 有权
标题翻译：用于面向电工钢板的硝化处理设备和硝化处理方法
公开(公告)号：JP2014156646A
公开(公告)日：2014-08-28
申请号：JP2013029368
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 , TERAJIMA TAKASHI , WAKISAKA YUIKO
IPC分类号： C23C8/26 , C21D9/46 , H01F1/16
CPC分类号： C23C8/38 , C21D1/09 , C21D1/773 , C21D8/12 , C21D8/1255 , C21D9/46 , C21D2201/05 , C22C38/02 , C23C8/02 , C23C8/26 , H01F1/14775 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide nitriding treatment facilities for a grain-oriented electrical steel sheet that are extremely useful in obtaining superior magnetic characteristics having no variance by carrying out a suitable nitriding treatment before secondary re-crystallization and then dispersing inhibitor forming elements uniformly to the overall length and overall width of a strip when manufacturing a grain-oriented electrical steel sheet.SOLUTION: There are provided facilities that perform a continuous nitriding treatment on strips threaded successively after cold rolling and before secondary re-crystallization annealing in a manufacturing line for a grain-oriented electrical steel sheet. The facilities include a nitriding treatment zone where the strip is subjected to the nitriding treatment, a cooling zone where the strip is cooled, and a heating zone where the strip is heated before the nitriding treatment zone when necessary. In the nitriding treatment zone, an electrode for glow discharge is installed, and a plasma nitriding treatment is carried out on the strip, serving as a negative pole, through a glow discharge while the electrode for glow discharge serves as a positive pole.
摘要翻译：要解决的问题：提供一种方向性电磁钢板的氮化处理设备，其通过在二次再结晶之前进行适当的氮化处理，然后均匀地将抑制剂形成元素均匀地分散到获得优异的磁性，而不会有变化，这是非常有用的在制造方向性电磁钢板时的带材的总长度和总宽度。解决方案：提供了在冷轧后连续带材和在二次再结晶退火之前对生产线进行连续氮化处理的设备一种晶粒取向电工钢板。这些设施包括氮化处理区域，其中带材经过氮化处理，冷却带被冷却的冷却区域和在必要时在氮化处理区域之前加热带材的加热区域。在氮化处理区域中，设置辉光放电用电极，通过辉光放电进行等离子体氮化处理，作为负极，通过辉光放电用电极作为正极进行等离子体氮化处理。

64. 发明专利

JP2014070975A Apparatus and method for detecting magnetic domain discontinuous portion 有权
标题翻译：用于检测磁畴不连续部分的装置和方法
公开(公告)号：JP2014070975A
公开(公告)日：2014-04-21
申请号：JP2012216382
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
IPC分类号： G01N27/72 , C21D8/12 , G01R33/02 , G01R33/032
摘要： PROBLEM TO BE SOLVED: To make a contour of a magnetic domain discontinuous portion, formed by magnetic domain segmentalization processing, clear.SOLUTION: An apparatus 1 for detecting a magnetic domain discontinuous portion according to the present invention comprises: a magnetooptical element 2 that is in contact with or close to a surface of a steel plate S and that converts a magnetic structure of the steel plate S into optical characteristics by transcription of the magnetic structure; a magnetizer 3 that is disposed on a side opposite to the magnetooptical element 2 in relation to the steel plate S and that magnetizes the steel plate S; a light source 5 for irradiating the magnetooptical element 2 with linear polarization; and a detector 10 for detecting linear polarization, with which the magnetooptical element 2 has been irradiated, whose polarization plane is rotated by the magnetic domain structure of the steel plate S that has been transcribed to the magnetooptical element 2.
摘要翻译：要解决的问题：通过磁畴分段处理形成磁畴不连续部分的轮廓是清楚的。解决方案：根据本发明的用于检测磁畴不连续部分的装置1包括：磁光元件2，其是与钢板S的表面接触或接近，并且通过磁性结构的转印将钢板S的磁性结构转换成光学特性; 磁化器3，其相对于钢板S设置在与磁光元件2相反的一侧，并且使钢板S磁化; 用于以线偏振照射磁光元件2的光源5; 以及检测器10，用于检测已经照射光磁元件2的线偏振，其偏振面被转印到磁光元件2的钢板S的磁畴结构旋转。

65. 发明专利

JP2014070974A Apparatus and method for detecting abnormality in electron gun 有权
标题翻译：用于检测电子枪不正常的装置和方法
公开(公告)号：JP2014070974A
公开(公告)日：2014-04-21
申请号：JP2012216381
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
IPC分类号： G01N27/72 , G01R33/032
CPC分类号： G01N21/21 , G01N2201/062 , G01R33/032 , H01J29/48
摘要： PROBLEM TO BE SOLVED: To detect abnormality in an electron gun by inspection at inspection points that are fewer than the number of installed electron guns of a magnetic domain segmentalizing apparatus.SOLUTION: An apparatus 1 for detecting abnormality in an electron gun according to the present invention detects abnormality in electron guns of a magnetic domain segmentalizing apparatus 2, for an electromagnetic steel plate, provided with a plurality of electron guns 3, 3, 3, 3. The apparatus 1 comprises: a magnetooptical element that contacts with and departs from inspection regions R, R, Rset so as to include a boundary of a magnetic domain discontinuous portion L generated by irradiation of the plurality of electron guns 3, 3, 3, 3to a surface of the electromagnetic steel plate with electron beams and that can detect a magnetic domain structure of a steel plate S in the inspection regions R, R, Ras optical characteristics; a light source for irradiating the magnetooptical element with linear polarization; and a detector for detecting polarization rotated by the magnetic domain structure of the steel plate S that has been transcribed to the magnetooptical element.
摘要翻译：要解决的问题：通过在小于磁畴分段装置的电子枪数量的检查点进行检查来检测电子枪的异常。解决方案：根据本发明的用于检测电子枪异常的装置1 本发明检测到磁畴分段装置2的电子枪的异常，对于具有多个电子枪3,3,3,3的电磁钢板。装置1包括：接触和不检查的磁光元件区域R，R，Rset，以便包括通过用电子束照射多个电子枪3,3,3而产生的磁畴不连续部分L的边界，并且可以检测磁畴结构的钢板S在检测区R，R，Ras的光学特性; 用于以线偏振照射磁光元件的光源; 以及用于检测由已经转录到磁光元件的钢板S的磁畴结构旋转的偏振的检测器。

66. 发明专利

JP2014070972A Steel plate inspection apparatus, steel plate inspection method, and steel plate manufacturing method 有权
标题翻译：钢板检查装置，钢板检查方法和钢板制造方法
公开(公告)号：JP2014070972A
公开(公告)日：2014-04-21
申请号：JP2012216379
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
IPC分类号： G01N27/72 , C21D8/12 , G01R33/032 , H01F1/16
CPC分类号： G01N21/21 , C21D1/34 , C21D1/38 , C21D8/12 , C21D8/1244 , C21D8/1294 , C21D9/46 , C21D11/00 , C22C38/00 , G01N21/86 , G01N27/82 , G01N2021/8609 , G01R33/032 , H01F1/16 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To improve manufacturing yield by performing visualized inspection of a magnetic domain structure of a steel plate immediately after its magnetic domain segmentalization processing.SOLUTION: A steel plate inspection apparatus 1 according to the present invention comprises: a magnetooptical element 5 converting a magnetic domain structure of a steel plate to be inspected into optical characteristics detectable as optical characteristics; a light source 7 irradiating the magnetooptical element 5 with linear polarization; a detector 12 for detecting the linear polarization whose polarization plane is rotated in accordance with the magnetic domain structure of the steel plate that has been transcribed to the magnetooptical element 5; and a drive mechanism for driving at least the magnetooptical element 5 so as to make the steel plate contact with and depart from the magnetooptical element 5.
摘要翻译：要解决的问题：通过在其磁畴分段处理之后立即对钢板的磁畴结构进行可视化检查来提高制造成品率。解决方案：根据本发明的钢板检查装置1包括：磁光元件5转换将要检查的钢板的磁畴结构视为光学特性可检测的光学特性; 以线偏振照射磁光元件5的光源7; 检测器12，用于检测偏振面根据已经转录到磁光元件5的钢板的磁畴结构旋转的线偏振; 以及用于至少驱动磁光元件5以使钢板与磁光元件5接触和离开的驱动机构。

67. 发明专利

JP2013139590A Oriented electromagnetic steel plate and manufacturing method thereof 有权
标题翻译：面向电磁钢板及其制造方法
公开(公告)号：JP2013139590A
公开(公告)日：2013-07-18
申请号：JP2011289783
申请日：2011-12-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , SUEHIRO RYUICHI , YAMAGUCHI HIROSHI
IPC分类号： C22C38/00 , C21D8/12 , C22C38/60 , H01F1/16
CPC分类号： H01F1/147 , C21D1/34 , C21D1/38 , C21D8/12 , C21D8/1294 , C21D2201/05 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide an oriented electromagnetic steel plate that, when used for a transformer core or the like, produces an extremely low amount of noise and iron loss, exhibits high energy utilization efficiency, and enables the manufacture of a transformer that can be used in a variety of environments.SOLUTION: The oriented electromagnetic steel plate includes closure domains formed linearly across a rolling direction, in the rolling direction and periodically. In the plate, relating to a strain distribution in a rolling-direction cross section in a region in which the closure domains are formed, the maximum tensile strain in the thickness direction is at most 0.45% and the maximum tensile strain t(%) and maximum compressive strain c(%) in the rolling direction satisfy relation of following formula (1): (1) t+0.06≤t+c≤0.35.
摘要翻译：要解决的问题：提供一种定向电磁钢板，其用于变压器铁芯等时产生极低量的噪声和铁损，表现出高的能量利用效率，并且能够制造可以可用于各种环境。解决方案：定向电磁钢板包括沿轧制方向，轧制方向和周期性线性形成的闭合磁畴。在板中，关于形成有封闭畴的区域的轧制方向截面的应变分布，厚度方向的最大拉伸应变为0.45％以下，最大拉伸应变t（％）和轧制方向的最大压应变c（％）满足下式（1）的关系：（1）t +0.06≤t+c≤0.35。

68. 发明专利

JP2013068517A Noise prediction method for power transformers 有权
标题翻译：电力变压器噪声预测方法
公开(公告)号：JP2013068517A
公开(公告)日：2013-04-18
申请号：JP2011207303
申请日：2011-09-22
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OMURA TAKESHI , INOUE HIROTAKA , YAMAGUCHI HIROSHI
IPC分类号： G01H9/00
摘要： PROBLEM TO BE SOLVED: To provide a method by which noise arising in a power transformer can be predicted with high accuracy.SOLUTION: In predicting noise arising in a power transformer provided with an iron core formed by stacking a plurality of directional electromagnetic steel sheets and fixing them by fastening, a magnetic flux density waveform within the iron core which is magnetized to a prescribed magnetic flux density is figured out; then an exciting voltage at which the magnetic flux density waveform within the iron core arises is given to a sample; the magneto-strain vibration thereby generated in the sample is measured; and noise is predicted from the measured magneto-strain vibration with the influence of fastening being taken into account.
摘要翻译：要解决的问题：提供可以高精度地预测电力变压器中产生的噪声的方法。
解决方案：在预测设置有通过堆叠多个定向电磁钢板并通过紧固固定而形成的铁芯的电力变压器中产生的噪声时，铁芯内的磁通密度波形被磁化成规定的磁找出通量密度; 然后将产生铁芯内的磁通密度波形的励磁电压送给样品; 测量样品中产生的磁应变振动; 并且考虑到紧固的影响，从测量的磁应变振动预测噪声。版权所有（C）2013，JPO＆INPIT

69. 发明专利

JP2012192448A Method for irradiating with electron beam 有权
标题翻译：用电子束照射的方法
公开(公告)号：JP2012192448A
公开(公告)日：2012-10-11
申请号：JP2011273761
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： B23K15/02 , B23K15/00 , C23C26/00
摘要： PROBLEM TO BE SOLVED: To provide a method for irradiating with an electron beam adapted to advantageously prevent local high-temperature warming up of an idle target, and consequently, avoid a deformation of the idle target and production of a metal vapor as well.SOLUTION: The method for irradiating a metal strip with an electron beam includes radiating an electron beam onto an additionally provided idle target during the time elapsing until an output of the electron beam is stabilized, or the time when the electron beam is radiated onto an exterior of the metal strip, in which a diameter of a beam-irradiated area on the surface of the idle target is adjusted by slanting a beam-irradiated surface of the idle target to vary a radiation angle of the electron beam with respect to the beam-irradiated surface of the idle target.
摘要翻译：要解决的问题：提供一种用于照射适于有利地防止怠速目标的局部高温升温的电子束的方法，因此避免怠速目标的变形和金属蒸气的产生，如好。解决方案：用电子束照射金属带的方法包括在时间经过之前将电子束辐射到附加提供的空闲目标上，直到电子束的输出稳定，或者电子束被辐射的时间在金属条的外部，其中通过倾斜怠速目标的光束照射表面来调整空闲目标表面上的光束照射区域的直径，以改变电子束相对于空中目标的射束照射表面。版权所有（C）2013，JPO＆INPIT

70. 发明专利

JP2012077380A Grain-oriented electromagnetic steel sheet, and method for 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：JP2012077380A
公开(公告)日：2012-04-19
申请号：JP2011197620
申请日：2011-09-09
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 , HAYAKAWA YASUYUKI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16 , H01F1/18
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： PROBLEM TO BE SOLVED: To provide a grain-oriented electromagnetic steel sheet, of which the iron loss is reduced by forming linear grooves for magnetic domain refinement.SOLUTION: The grain-oriented electromagnetic steel sheet has grooves for magnetic domain refinement on the surface of the sheet. The ratio of the linear grooves is controlled to 20% or less, directly under which there exist crystal grains having an orientation difference of 10 degrees or more from Goss orientation and having a grain diameter of 5 μm or more. In addition, when the average β-angle of secondarily recrystallized grains directly under these linear grooves is 2.0 degrees or less, the average fluctuation range of the β-angles of secondarily recrystallized grains whose grain diameters are 10 mm or more, out of the secondarily recrystallized grains under the linear grooves, is controlled to 1 to 4 degrees.
摘要翻译：要解决的问题：提供一种通过形成用于磁畴细化的线性沟槽来减少铁损的晶粒取向电磁钢板。解决方案：晶粒取向电磁钢板在片材表面上具有用于磁畴细化的槽。直线槽的比例控制在20％以下，直接存在从高斯取向取向为10度以上且晶粒直径为5μm以上的晶粒。此外，直接在这些直线槽的二次再结晶晶粒的平均β角为2.0度以下时，二次再结晶晶粒的β值的平均起伏范围为二次以上线性槽下的再结晶晶粒控制在1〜4度。版权所有（C）2012，JPO＆INPIT

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