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1. 发明专利

JP2011195875A Method for producing grain-oriented magnetic steel sheet 有权
标题翻译：生产面向磁性钢板的方法
公开(公告)号：JP2011195875A
公开(公告)日：2011-10-06
申请号：JP2010063130
申请日：2010-03-18
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , MURAKI MINEO , ISHIDA TOMOHARU , ARAGAKI YUKIHIRO
IPC分类号： C21D8/12 , B21B3/02 , C21D9/46 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for improving a magnetic characteristic and especially, a core-loss characteristic by adding Nb in a steel slab containing no inhibitor.SOLUTION: As components of the steel slab, 0.001-0.015 mass% Nb is contained and the content of Al is set to ≤100 mass ppm and the contents of N, S and Si are respectively set to ≤50 mass ppm and an annealing temperature before applying a finish cold-rolling, is set at ≥900°C and successively, the cooling speed from 900°C to 600°C, is controlled to ≥1°C/s as the average speed and the rolling-reduction ratio in the finish cold-rolling is controlled to ≥80% and the annealing temperature in a recrystallize-annealing is controlled to be ≤900°C, and the time for holding the temperature of ≥800°C to the steel sheet is controlled within 600 sec.
摘要翻译：要解决的问题：提供一种提高磁特性的方法，特别是在不含抑制剂的钢坯中添加Nb的铁损特性。解决方案：作为钢坯的成分，含有0.001-0.015质量％的Nb 并且将Al的含量设定为≤100质量ppm，将N，S和Si的含量分别设定为≤50质量ppm，并且在进行精轧冷轧之前的退火温度设定为≥900℃，并且依次，从900℃到600℃的冷却速度被控制为≥1℃/ s，因为冷轧中的平均速度和轧制压下率控制在≥80％，退火温度在再结晶退火控制在≤900℃，将钢板温度≥800℃的时间控制在600秒以内。

2. 发明专利

JP2010229521A Method for manufacturing grain-oriented electrical steel sheet 有权
标题翻译：制造面向导电电工钢板的方法
公开(公告)号：JP2010229521A
公开(公告)日：2010-10-14
申请号：JP2009080090
申请日：2009-03-27
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , MURAKI MINEO , OMURA TAKESHI
IPC分类号： C21D8/12 , B21B3/02 , C21D9/46 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a grain-oriented electrical steel sheet having the highly stable magnetic characteristics by using a component system containing no inhibitor. SOLUTION: When the grain-oriented electrical steel sheet is manufactured by using a slab composed of a component system containing no inhibitor, the slab contains a total of 10-150 ppm of one or more kinds selected among B, Nb and V as the micro-elements, and further, the ratio of Al and N contained as the impurities, is Al/N≥1.4, and the average temperature increase rate between 600-800°C during recrystallization annealing is ≥15°C/s. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过使用不含抑制剂的组分体系制造具有高度稳定的磁特性的方向性电磁钢板的方法。解决方案：当通过使用由不含抑制剂的组分体系构成的板坯制造晶粒取向电工钢板时，板坯含有总共10-150ppm的选自B，Nb和V中的一种或多种作为微量元素，此外，作为杂质的Al和N的比例为Al /N≥1.4，再结晶退火时的600-800℃的平均升温速度为≥15℃/ s。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2014210956A 高珪素鋼板の製造方法有权
标题翻译：制造高硅钢板的方法
公开(公告)号：JP2014210956A
公开(公告)日：2014-11-13
申请号：JP2013088103
申请日：2013-04-19
申请人： Jfeスチール株式会社 , Jfe Steel Corp
发明人： FUJITO SHINJI , KOGA YASUNARI , TOMINAGA KENICHI , DOI TAKASHI , HIRATANI TATSUHIKO , IMAMURA TAKESHI
IPC分类号： C23C8/08
CPC分类号： C23C8/08
摘要：【課題】浸珪処理による高珪素鋼板の製造において、押し疵欠陥の発生を抑制するのに好適な高珪素鋼板の製造方法を提供する。【解決手段】浸珪処理ライン内の浸珪処理炉で、四塩化珪素を含有する雰囲気中にて鋼板に浸珪処理を施す高珪素鋼板の製造方法において、浸珪処理炉の排ガスから四塩化珪素を回収し液化して四塩化珪素液とし、該四塩化珪素液を、四塩化珪素の沸点以上であって前記回収した四塩化珪素に含まれるSi2Cl6Oの沸点未満の温度に加熱して蒸留処理し、蒸留して得た四塩化珪素液を気化して前記浸珪処理炉での浸珪処理に使用することを特徴とする高珪素鋼板の製造方法。【選択図】図2
摘要翻译：要解决的问题：提供一种适合于通过硅化处理来抑制高硅钢板制造中发生挤压缺陷缺陷的高硅钢板的制造方法。解决方案：制造高硅钢板的方法是能够在硅化处理线中的硅化处理炉中，在含有四氯化硅的气氛中将钢板硅化。该方法包括：从硅化处理炉的排气中收集和液化四氯化硅，形成四氯化硅液体; 在四氯化硅的沸点以下且小于收集的四氯化硅中所含的SiClO的沸点的温度下加热和蒸馏四氯化硅液体; 并且在硅化处理炉中蒸发通过蒸馏获得的四氯化硅液体用于硅化处理。

4. 发明专利

JP2014167147A Method for producing grain-oriented electromagnetic steel sheets 有权
标题翻译：生产面向导电电磁钢板的方法
公开(公告)号：JP2014167147A
公开(公告)日：2014-09-11
申请号：JP2013039264
申请日：2013-02-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SUEHIRO RYUICHI , ARAGAKI YUKIHIRO , IMAMURA TAKESHI , TAKAMIYA TOSHITO
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide an advantageous method for producing a grain-oriented electromagnetic steel sheet with low iron loss and high magnetic flux density.SOLUTION: A method for producing a grain-oriented electromagnetic steel sheet comprises a series of steps of: hot-rolling a steel material comprising 0.002 to 0.10 mass% of C, 2.0 to 8.0 mass% of Si, and 0.01 to 0.8 mass% of Mn to obtain a hot-rolled sheet; after the hot-rolled sheet is annealed as necessary, cold-rolling the steel one time, or at least two times between which is interposed an interim annealing, to obtain a cold-rolled sheet of final sheet thickness; and after primary recrystallization annealing, applying an annealing separator to the steel sheet surface and then performing a final annealing. In the method, a holding processing is carried out in which: a final cold rolling rate in the cold-rolling process is 82 to 97%; the temperature interval of 200-700°C is rapidly heated at a rate of 50°C/s or higher in the heating step of the primary recrystallization annealing to set any temperature of 250-600°C as a holding initiation temperature; and the average temperature change ratio for 1 to 10 seconds from the holding initiation temperature is controlled in the range of -5 to +10°C/s.
摘要翻译：要解决的问题：提供一种制造具有低铁损和高磁通密度的晶粒取向电磁钢板的有利方法。解决方案：一种用于制造晶粒取向电磁钢板的方法包括以下一系列步骤：热轧制含有C：0.002〜0.10质量％，Si 2.0〜8.0质量％，Mn：0.01〜0.8质量％的钢材，得到热轧板; 在根据需要对热轧板进行退火后，对钢进行一次冷轧或至少两次，进行中间退火，得到最终板厚的冷轧板; 在一次再结晶退火后，向钢板表面涂布退火分离剂，然后进行最终退火。在该方法中，进行保持处理，其中：冷轧过程中的最终冷轧速率为82-97％; 在一次再结晶退火的加热步骤中，将温度为200-700℃的温度以50℃/ s以上的速度快速加热，以将温度设定为250-600℃作为保持起始温度; 从保持起始温度开始1〜10秒的平均温度变化率控制在-5〜+ 10℃/ s的范围。

5. 发明专利

JP2014114499A Grain oriented silicon steel plate 有权
标题翻译：颗粒导向硅钢板
公开(公告)号：JP2014114499A
公开(公告)日：2014-06-26
申请号：JP2012271080
申请日：2012-12-12
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , ARAGAKI YUKIHIRO , SUEHIRO RYUICHI , TAKAMIYA TOSHITO
IPC分类号： C22C38/00 , C21D8/12 , C22C38/02 , C22C38/60 , H01F1/16
CPC分类号： H01F1/14775 , C21D8/12 , C21D8/1255 , C21D8/1272 , C21D2201/05 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/16 , C22C38/20 , C22C38/34 , C22C38/40 , C22C38/60 , H01F1/16 , Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide a grain oriented silicon steel plate in which a secondary recrystallization grain can be made fine without excessively raising a rate of temperature rise in primary recrystallization annealing, and an iron loss characteristic is more excellent than that of a conventional material.SOLUTION: A grain oriented silicon steel plate is that Si:2-5 mass% is included, a distribution of an orientation difference angle between a crystal orientation of a secondary recrystallization grain and a Goss orientation has two or more peaks, and preferably the orientation difference angle of a second peak from one in which the orientation difference angle is small in the two or more peaks is at least 5°, and a grain diameter of a secondary recrystallization grain is at most 15 mm.
摘要翻译：要解决的问题：提供一次结晶退火中二次再结晶晶粒微细而不会过度提高升温速率的晶粒取向硅钢板，铁损特性比常规材料更优异解决方案：晶粒取向硅钢板是包含Si：2-5质量％，二次再结晶晶粒的晶体取向与高斯取向之间的取向差角的分布具有两个以上的峰值，优选为在两个或多个峰中取向差角小的第二峰的取向差角为至少5°，二次再结晶晶粒的晶粒直径为15mm以下。

6. 发明专利

JP2014025106A Method for producing grain oriented silicon steel sheet 有权
标题翻译：生产面向硅的钢板的方法
公开(公告)号：JP2014025106A
公开(公告)日：2014-02-06
申请号：JP2012165516
申请日：2012-07-26
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , ARAGAKI YUKIHIRO , WATANABE MAKOTO , SUEHIRO RYUICHI , TAKAMIYA TOSHIHITO
IPC分类号： C21D8/12 , C21D9/46 , C22C38/00 , C22C38/60 , H01F1/16
CPC分类号： C21D9/46 , C21D6/004 , C21D6/005 , C21D6/008 , C21D8/12 , C21D8/1222 , C21D8/1233 , C21D8/1255 , C21D8/1261 , C21D8/1266 , C21D8/1272 , C21D8/1283 , C21D2201/05 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/16 , C22C38/34 , C22C38/40 , C22C38/60 , H01F1/14775 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a grain oriented silicon steel sheet having a low core loss and a reduced variation in iron core value compared with the conventional technique by adjusting a temperature rising pattern upon carburization annealing.SOLUTION: The method for producing a grain oriented silicon steel sheet is characterized in that, in a method for producing a grain oriented silicon steel sheet composed of a series of steps in which a steel stock comprising, by mass, 0.002 to 0.10% C, 2.0 to 8.0% Si and 0.005 to 1.0% Mn is subjected to hot rolling to form into a hot-rolled sheet, is, if required subjected to hot rolled sheet annealing, is subjected to cold rolling for one time or two or more times including process annealing to form into a cold-rolled sheet with a final sheet thickness, and is subjected to decarburization annealing also worked as primary recrystallization annealing, and the surface of the steel sheet is coated with a separation agent for annealing, and finish annealing is performed, in the decarburization annealing, rapid heating is performed at 50°C/s or higher in the section of 200 to 700°C, it is held for 1 to 10 seconds at any temperature in the range of 250 to 600°C.
摘要翻译：要解决的问题：提供一种通过调节渗碳退火时的升温图案，与传统技术相比，具有低铁损和铁芯值变化的晶粒取向硅钢板的制造方法。解决方案：制造晶粒取向硅钢板的特征在于，在由以下的一系列工序构成的晶粒取向硅钢板的制造方法中，其中，通过以质量计含有0.002〜0.10％的C，2.0〜8.0％的Si，将0.005〜1.0％的Mn进行热轧成型为热轧板，如果需要进行热轧板退火，则进行冷轧1次以上2次以上的加工退火，形成将具有最终板厚的冷轧板进行一次再结晶退火，并进行脱碳退火，并且将钢板的表面涂覆有分离剂f 或退火，并进行最终退火，在脱碳退火中，在200〜700℃的部分中以50℃/ s以上进行快速加热，在任意温度范围内保持1〜10秒钟 250〜600℃。

7. 发明专利

JP2013209681A Iron-based amorphous alloy thin strip 有权
标题翻译：基于铁的非晶合金薄条
公开(公告)号：JP2013209681A
公开(公告)日：2013-10-10
申请号：JP2012078770
申请日：2012-03-30
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , TAKASHIMA MINORU , OKABE SEIJI , SHIGA NOBUISA
IPC分类号： C22C45/02
摘要： PROBLEM TO BE SOLVED: To provide an Fe-B-Si-Mn-based amorphous alloy thin strip which is inexpensive and excellent in core loss characteristics.SOLUTION: An iron-based amorphous alloy thin strip includes component composition represented by chemical formula FeBSiMn(wherein x:75-87 at%, y: 6-15 at%, z: 7-17 at%, and a: 0.2-3 at%), and preferably includes one or more selected from 0.5 at% or less of Ni, 1 at% or less of Cr, 2 at% or less of C, 1 at% or less of P, and 2.0 at% or less of Cu as numbers included in the total, wherein skewness (Rsk) of a surface roughness curve in a surface which is in contact with a cooling roll is less than 0.
摘要翻译：要解决的问题：提供廉价且铁损特性优异的Fe-B-Si-Mn系非晶合金薄带。解决方案：铁基非晶合金薄带包括由化学式FeBSiMn（其中x：75-87原子％，y：6-15原子％，z：7-17原子％，a：0.2-3原子％），优选包含选自Ni原子的0.5原子％以下的一种以上，1原子％以下的Cr，2原子％以下的C，1原子％以下的P和2.0原子％以下的Cu作为总数，其中表面粗糙度曲线的斜率（Rsk）在与冷却辊接触的表面中小于0。

8. 发明专利

JP2013155397A Electromagnetic steel plate 有权
标题翻译：电磁钢板
公开(公告)号：JP2013155397A
公开(公告)日：2013-08-15
申请号：JP2012015053
申请日：2012-01-27
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , TAKASHIMA MINORU , HIRATANI TATSUHIKO
IPC分类号： C22C38/00 , C21D8/12 , C22C38/02 , C22C38/60 , H01F1/16
CPC分类号： H01F1/14766 , C21D8/12 , C21D2201/05 , C22C38/00 , C22C38/002 , C22C38/004 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/16 , C22C38/18 , C22C38/20 , C22C38/22 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/60 , H01F1/14775 , H01F1/14791 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide an electromagnetic steel plate capable of improving DC superposition characteristics of a core excited by high frequency.SOLUTION: This electromagnetic steel plate has a component composition comprising C: less than 0.010 mass%, and Si: 1.5 to 10 mass%, with the balance comprising Fe and inevitable impurities, and has a structure in which the main orientation in the texture of the steel plate is //ND and the random intensity ratio in the main orientation is at least 5, preferably the random intensity ratio in the {111} orientation is at least 10, and more preferably the random intensity ratio in the {310} orientation is not higher than 3, and furthermore preferably has a concentration gradient in which Si concentration is higher in its surface layer side and is lower in the central part in the plate thickness direction, and the highest value of the Si concentration is at least 5.5 mass% and the difference of the highest value and the lowest value is at least 0.5 mass%.
摘要翻译：要解决的问题：提供能够提高由高频激发的芯的直流叠加特性的电磁钢板。解决方案：该电磁钢板具有C：小于0.010质量％，Si：1.5〜10 质量％，余量包含Fe和不可避免的杂质，并且具有钢板组织中的主取向为<111> // ND，主取向的随机强度比为5以上的结构 {111} <112>取向中的随机强度比为至少10，更优选{310} <001>取向中的随机强度比不高于3，进一步优选具有浓度梯度，其中Si 其表面层侧的浓度高，在板厚方向的中央部较低，Si浓度的最高值为5.5质量％以上，最高值与低的差 st值为0.5质量％以上。

9. 发明专利

JP2013122081A Ultrathin electromagnetic steel sheet 有权
标题翻译： ULTRATHIN电磁钢板
公开(公告)号：JP2013122081A
公开(公告)日：2013-06-20
申请号：JP2012143991
申请日：2012-06-27
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , TAKASHIMA MINORU , HIRATANI TATSUHIKO
IPC分类号： C22C38/00 , C21D8/12 , C22C38/04 , C22C38/60 , C23C10/08 , H01F1/16
CPC分类号： H01F10/007 , C21D1/74 , C21D1/76 , C21D6/008 , C21D8/0263 , C21D8/1222 , C21D8/1233 , C21D8/1255 , C21D8/1261 , C21D8/1266 , C21D9/46 , C22C38/00 , C22C38/002 , C22C38/004 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/60 , C23C10/08 , H01F1/16 , Y10T428/12431
摘要： PROBLEM TO BE SOLVED: To provide an ultrathin magnetic steel sheet that has no degradation of magnetic properties and is superior in iron loss properties in which the degradation of space factor is avoided, even if an electromagnetic steel sheet with a sheet thickness of 0.10 mm or less is subjected to siliconizing treatment to increase the content of Si in the steel.SOLUTION: The ultrathin magnetic steel sheet contains, by mass%, 0.007% or less of C, 4 to 10% of Si, and 0.005 to 1.0% of Mn, with Fe and inevitable impurities as the balance, and is characterized in that the sheet thickness is between 0.01 and 0.10 mm and the cross section roughness Pa to 1.0 μm or less.
摘要翻译：要解决的问题：为了提供一种磁性不降低的超薄磁性钢板，并且在避免空间因素降低的铁损性方面优异，即使具有板厚度的电磁钢板对0.10mm以下进行硅化处理以提高钢中Si的含量。解决方案：超薄磁性钢板以质量％计含有C，0.007％或更少的C，4至10％的Si和0.005至1.0％的Mn，Fe和不可避免的杂质作为余量，并且其特征在于其厚度为0.01〜0.10mm，截面粗糙度Pa为1.0μm以下。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2012112006A Grain-oriented magnetic steel sheet and method for producing the same 有权
标题翻译：面向磁性的电磁钢板及其制造方法
公开(公告)号：JP2012112006A
公开(公告)日：2012-06-14
申请号：JP2010263051
申请日：2010-11-26
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ISHIDA TOMOHARU , MAKIISHI NORIKO , YAMASHITA TAKAKO , IMAMURA TAKESHI , MURAKI MINEO
IPC分类号： C21D9/46 , C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented magnetic steel sheet excellent in magnetic properties and a method for producing the same.SOLUTION: The method for producing the grain-oriented magnetic steel sheet includes hot rolling a slab having a component composition comprising, by mass, 0.002 to 0.100% C, 2.0 to 8.0% Si, 0.005 to 1.00% Mn, 0.010% or less Al, 0.005% or less N, 0.005% or less S, 0.005% or less Se, and 0.001 to 0.015% Nb, and the balance consisting of Fe and unavoidable impurities. Then, the hot-rolled steel sheet is subjected to recrystallizing annealing by applying one or two or more cold rolling with intermediate annealing. Then, after finish annealing, the resulting steel sheet is cooled at an average cooling rate of 0.3°C/min or less from the finish annealing temperature to 600°C. The amount of dissolved Nb of the grain-oriented magnetic steel sheet produced in this way will be 0.0006% or less.
摘要翻译：要解决的问题：提供一种磁特性优异的晶粒取向电磁钢板及其制造方法。＆lt; P＆gt;解决方案：晶粒取向电磁钢板的制造方法包括热轧具有以质量计含有0.002〜0.100％C，2.0〜8.0％Si，0.005〜1.00％Mn，0.010％或更少的Al，0.005％以下的N，0.005％以下的S，0.005％以下的Se和0.001〜0.015％的Nb，余量由Fe和不可避免的杂质构成。然后，通过用中间退火进行1次或2次以上的冷轧，对该热轧钢板进行再结晶退火。然后，在最终退火后，将得到的钢板以0.3℃/ min以下的平均冷却速度从最终退火温度冷却至600℃。以这种方式制造的晶粒取向电磁钢板的溶解Nb的量为0.0006％以下。版权所有（C）2012，JPO＆INPIT

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