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1. 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.
摘要翻译：要解决的问题：提供一种即使当电子束的照射速率变得比以前更高时，也能充分发挥节段化磁畴的作用并具有优异的磁特性的方向性电磁钢板。解决方案：当电子束的扫描方向上的热影响区的长度为L 1 （μm）时，热影响区的长度在垂直于扫描方向的方向是L 2 （μm），它们之间的比例（L 1 / L 2 ）为1.2以上。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012140665A 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：JP2012140665A
公开(公告)日：2012-07-26
申请号：JP2010293290
申请日：2010-12-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OKABE SEIJI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To provide a method by which a magnetic domain refinement effect and a tension-imparting effect can be enjoyed more than enough by solving the problem of noise in the case of using, for a transformer, a grain-oriented electromagnetic steel sheet into which thermal strain is introduced.SOLUTION: When the grain-oriented electromagnetic steel sheet wound in a coiled form is subjected to magnetic domain refinement treatment which includes, in order, subjecting the steel sheet to final annealing; forming a tension-insulating film and subjecting the steel sheet to flattening annealing; and introducing a thermal strain region in a direction crossing a rolling direction of the steel sheet, the steel sheet after the flattening annealing is given a curve in which a bus line has a direction crossing the rolling direction, and the thermal strain region is introduced into the internal surface of the curve.
摘要翻译：要解决的问题：为了提供一种方法，通过在变压器的情况下，通过解决噪声问题，可以获得足够的磁畴细化效果和张力赋予效果，导入热应变的电磁钢板。解决方案：当卷绕成卷绕形式的晶粒取向电磁钢板进行磁畴细化处理时，依次包括对钢板进行最终退火; 形成张力绝缘膜并对钢板进行平坦化退火; 并且在与钢板的轧制方向交叉的方向上引入热应变区域，在平坦化退火后的钢板中，给出了总线具有与轧制方向交叉的方向的曲线，将热应变区域导入曲线的内表面。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012057232A Grain oriented magnetic steel sheet and production method therefor 审中-公开
标题翻译：谷物磁性钢板及其生产方法
公开(公告)号：JP2012057232A
公开(公告)日：2012-03-22
申请号：JP2010203420
申请日：2010-09-10
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , TAKAMIYA TOSHITO , OKABE SEIJI , OMURA TAKESHI
IPC分类号： C22C38/00 , B23K15/00 , C21D8/12 , C22C38/04 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a grain oriented magnetic steel sheet which exhibits excellent low core loss characteristic when a transformer is manufactured by laminating the grain oriented magnetic steel sheet having core loss reduced by being given strain by irradiation with electron beam.SOLUTION: The grain oriented magnetic steel sheet is characterized in that the irradiated trace of electron beam has sine-wave shape and relation between an amplitude D and a wavelength L of the sine-wave shape satisfies expression (1): 3π≥L/D≥π.
摘要翻译：要解决的问题：提供一种通过层压通过用电子束的照射被给定应变而降低了铁损的晶粒取向电磁钢板制造变压器时具有优异的低铁损特性的晶粒取向电磁钢板。解决方案：晶粒取向电磁钢板的特征在于电子束的照射迹线具有正弦波形，正弦波形状的振幅D和波长L之间的关系满足式（1）：3π≥ L /D≥π。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012031516A Process for producing grain-oriented electromagnetic steel sheet 有权
标题翻译：生产面向电磁钢板的工艺
公开(公告)号：JP2012031516A
公开(公告)日：2012-02-16
申请号：JP2011144841
申请日：2011-06-29
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , OKABE SEIJI , SENDA KUNIHIRO , OMURA TAKESHI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16 , H01F1/18
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： PROBLEM TO BE SOLVED: To provide a process for producing a grain-oriented electromagnetic sheet capable of effectively reducing iron loss by adding a device to a domain refinement technique by laser irradiation.SOLUTION: The process for producing the grain-oriented electromagnetic steel sheet includes a final finish annealing step in which a forsterite coating film is formed on a surface of the steel sheet in an amount of 4.0 g/mor more so as to have an average grain diameter of 0.9 μm or less and in which the steel sheet is regulated so as to have a magnetic flux density Bof 1.91 T or higher. Laser light having a wavelength of 0.2-0.9 μm is repeatedly irradiated linearly on the grain-oriented electromagnetic steel sheet along a direction which intersects the rolling direction of the steel sheet.
摘要翻译：解决的问题：提供一种能够通过激光照射向畴精制技术中添加器件而有效降低铁损的晶粒取向电磁片的制造方法。解决方案：晶粒取向电磁钢板的制造方法包括最终成品退火工序，其中在钢板表面上以4.0g / m 2的量形成镁橄榄石涂膜 2 以上，以使平均粒径为0.9μm以下，钢板被调整为具有磁通密度B 8 < / SB>为1.91T以上。沿着与钢板的轧制方向交叉的方向，在晶粒取向电磁钢板上反复照射波长为0.2〜0.9μm的激光。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012031515A Grain-oriented magnetic steel sheet, and method of manufacturing the same 有权
标题翻译：面向磁性的磁性钢板及其制造方法
公开(公告)号：JP2012031515A
公开(公告)日：2012-02-16
申请号：JP2011144696
申请日：2011-06-29
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： WATANABE MAKOTO , OKABE SEIJI , YAMAGUCHI HIROSHI
IPC分类号： C21D8/12 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a method of solving the problem of warping on a laser irradiation surface and the problem of partial breakage of a tension-giving film in flattening annealing, and a method of sufficiently enjoying a magnetic domain refinement effect and tension giving effect.SOLUTION: In a magnetic domain refinement treatment, finish annealing is applied to a grain-oriented magnetic steel sheet wound in a coil shape, and successively, after applying flattening annealing, a laser beam is irradiated in a direction intersecting the rolling direction of the steel sheet. When carrying out the magnetic domain refinement treatment, the warping originated in the coil is made to remain in the steel sheet after the flattening annealing, and the convex surface side of the warping is irradiated with the laser beam and the steel sheet is corrected to be flat.
摘要翻译：要解决的问题：提供一种解决激光照射面翘曲的问题的方法以及在平坦化退火中的张力赋予膜的局部断裂的问题，以及充分享受磁畴细化效果的方法和张力发挥作用。解决方案：在磁畴精制处理中，对缠绕成线圈状的晶粒取向电磁钢板进行最终退火，然后在进行平坦化退火后，在与轧制方向交叉的方向上照射激光束的钢板。当进行磁畴精制处理时，在平坦化退火之后使在线圈中产生的翘曲保留在钢板中，并且用激光束照射翘曲的凸面侧，将钢板修正为平面。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2012012639A Oriented electromagnetic steel sheet 有权
标题翻译：定向电磁钢板
公开(公告)号：JP2012012639A
公开(公告)日：2012-01-19
申请号：JP2010148301
申请日：2010-06-29
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OMURA TAKESHI , SENDA KUNIHIRO , YAMAGUCHI HIROSHI , OKABE SEIJI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide an oriented electromagnetic steel sheet that achieves further reduced iron loss performance by effectively utilizing a magnetic domain subdividing technology.SOLUTION: In the oriented electromagnetic steel sheet, a linear groove extending in the direction intersecting with a milling direction is formed on one side of the sheet, while on the opposite side of the sheet, a linear high dislocation density area is formed in a position corresponding to the linear groove. In the widths of the linear groove and the linear high dislocation density area, either one having the narrower width is overlapped by the other by 50% or more width thereof.
摘要翻译：要解决的问题：提供一种通过有效利用磁畴细分技术进一步降低铁损性能的取向电磁钢板。解决方案：在定向电磁钢板中，在与片材的一侧形成在与研磨方向相交的方向上延伸的直线槽，而在片材的相对侧上形成线性高位错密度区域在与线性槽对应的位置。在线性沟槽和线性高位错密度区域的宽度中，具有较窄宽度的宽度之一彼此重叠50％或更大的宽度。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2013159833A Method and apparatus for improving iron loss of directional electromagnetic steel plate 有权
标题翻译：改进方向电磁钢板损失的方法和装置
公开(公告)号：JP2013159833A
公开(公告)日：2013-08-19
申请号：JP2012023369
申请日：2012-02-06
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OKABE SEIJI , TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI
IPC分类号： C21D8/12 , H01F1/16 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method for obtaining the same effect as lengthening of an electron beam shape.SOLUTION: In segmentalization of a magnetic domain by irradiating a surface of a finish-annealed directional electromagnetic steel plate with an electron beam, when an irradiation spot of the electron beam is scanned in a direction intersecting a rolling direction of the steel plate, the irradiation spot is vibrated in the scanning direction.
摘要翻译：要解决的问题：提供一种获得与延长电子束形状相同效果的方法。解决方案：在通过用电子束照射精制退火定向电磁钢板的表面的磁畴的分段化中，当沿与钢板的轧制方向交叉的方向扫描电子束的照射点，照射点在扫描方向上振动。

8. 发明专利

JP2012177163A Method for manufacturing directional magnetic steel sheet 有权
标题翻译：制造方向磁钢板的方法
公开(公告)号：JP2012177163A
公开(公告)日：2012-09-13
申请号：JP2011040741
申请日：2011-02-25
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： INOUE HIROTAKA , YAMAGUCHI HIROSHI , OKABE SEIJI , OMURA TAKESHI , TAKAGI SHIGEHIRO
IPC分类号： C21D8/12 , B23K15/00 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/60 , H01F1/16 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a directional magnetic steel sheet having excellent magnetic characteristics even when used for an application causing bias magnetism by a method other than providing a gap in an iron core.SOLUTION: Strain is introduced linearly at an angle within 30° with a sheet width direction by electronic beam irradiation while turning the row interval in a rolling direction of irradiation lines to 2-10 mm and turning irradiation energy quantity E (mJ/mm) per unit area defined by the following equation (1): E (mJ/mm)=electron beam accelerating voltage (kV)×beam current value (mA)/(beam scanning speed (m/s)×beam diameter (mm)), wherein E is within the range of 20 to 220 mJ/mmso as to satisfy that a magnetic flux density Bis ≥1.90T and a magnetic flux density Bis ≤1.60T.
摘要翻译：要解决的问题：即使在用于通过除了在铁芯中提供间隙之外的方法引起偏磁的应用中也提供具有优异磁特性的定向磁钢板。解决方案：通过电子束照射将片材宽度方向以30°的角度线性地引入，将照射线的轧制方向的行间隔转换为2-10mm，并且将照射能量E（mJ / （1）中定义的单位面积的mm 2 ）E（mJ / mm 2 ）=电子束加速电压（kV）×光束电流值（mA）/（光束扫描速度（m / s）×光束直径（mm）），其中E在20〜220mJ / mm的范围内 8 为≥1.90T，磁通密度B 0.5 ≤1.60T。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012172259A Method of manufacturing high-strength cold-rolled steel plate excellent in bendability 审中-公开
标题翻译：制造高韧性钢板的优良方法
公开(公告)号：JP2012172259A
公开(公告)日：2012-09-10
申请号：JP2011039016
申请日：2011-02-24
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , OKABE SEIJI , OMURA TAKESHI , INOUE HIROTAKA
IPC分类号： C21D1/34 , B23K15/00 , B23K26/00 , C21D1/38 , C21D9/46
摘要： PROBLEM TO BE SOLVED: To provide a technology that improves ductility, especially bendability, without spoiling virtually the strength of a cold-rolled steel plate.SOLUTION: Laser beam or electron beam is linearly directed to the surface of a steel plate at a heat input amount per unit time of 50 W or larger and a heat input amount per unit length of 10-250 J/m, so as to recover and/or recrystallize the structure adjacent to a portion to which the laser beam or electron beam is radiated, in the surface layer of the steel plate.

10. 发明专利

JP2012126973A 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：JP2012126973A
公开(公告)日：2012-07-05
申请号：JP2010280752
申请日：2010-12-16
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SENDA KUNIHIRO , INOUE HIROTAKA , OKABE SEIJI
IPC分类号： C22C38/00 , C21D8/12 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented electromagnetic steel sheet having low core loss characteristic by performing a magnetic domain subdivision treatment by groove formation by a chemical means.SOLUTION: In this grain-oriented electromagnetic steel sheet having a linear groove whose angle to the rolling right angle direction is within 45°, the existence frequency of fine grains whose length in the rolling direction on the bottom part of the groove is ≤1 mm is ≤10% (including the case of no fine grains), and a forsterite coating as much as ≥0.6 g/min terms of the Mg basis Metsuke (weight per unit area) per one side of the steel sheet is provided in the groove, and further the angle (β angle) of the (100) axis of secondary recrystallized grains facing to the rolling direction of the steel sheet, which is formed with respect to a rolling surface is ≤3° in terms of a mean value.
摘要翻译：要解决的问题：通过化学方法通过槽形成进行磁畴细分处理来提供具有低铁损特性的晶粒取向电磁钢板。解决方案：在具有与滚动直角方向的角度在45°内的直线槽的这种晶粒取向电磁钢板中，槽的底部的轧制方向的长度的存在频率为 ≤1mm≤10％（包括无细晶粒的情况），以镁基Metsuke为基准的镁橄榄石涂层多至≥0.6g/ m 2 SP SP =“POST”> 2 钢板的每一侧的单位面积重量）设置在槽内，另外，与形成有钢板的轧制方向的二次再结晶晶粒的（100）轴的角度（β角）相对于滚动面的平均值为3°。版权所有（C）2012，JPO＆INPIT

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