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21. 发明专利

JP2004225154A Grain-oriented magnetic steel sheet 有权
标题翻译：面向磁性的钢板
公开(公告)号：JP2004225154A
公开(公告)日：2004-08-12
申请号：JP2003018092
申请日：2003-01-27
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ARAGAKI YUKIHIRO , HAYAKAWA YASUYUKI , IMAMURA TAKESHI , MURAKI MINEO
IPC分类号： C21D8/12 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/16 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide an economically profitable grain-oriented magnetic steel sheet in which even in the case that B 8 in the rolling direction is at a level of ≤1.85T, an iron loss can be improved by adding the tension. SOLUTION: In the grain-oriented magnetic steel sheet having ≥0.7T magnetic flux density B 1 at the right angle to the rolling direction and ≤1.85T magnetic flux density B 8 in the rolling direction, the improvement in the iron loss is realized with the addition of tension in the rolling direction. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题为了提供一种经济有利可图的晶粒取向电磁钢板，其中即使在轧制方向上的B 8 的水平处于≤1.85T的水平，铁可以通过增加张力来改善损失。解决方案：在具有≥0.7T磁通密度B 1 与轧制方向成直角的晶粒取向电磁钢板中，≤1.85T磁通密度B 8 < / SB>轧制方向，通过在轧制方向上增加张力来实现铁损的提高。版权所有（C）2004，JPO＆NCIPI

22. 发明专利

JP2004223605A Continuous casting method for electrical steel slab 有权
公开(公告)号：JP2004223605A
公开(公告)日：2004-08-12
申请号：JP2003017697
申请日：2003-01-27
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , HAYAKAWA YASUYUKI , MURAKI MINEO
IPC分类号： B22D11/12 , B22D11/00 , B22D11/124 , B22D11/16 , B22D11/22 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a way of preventing the splitting that occurs in continuous casting of a slab when manufacturing a grain oriented electrical steel sheet by using a component system decreased in impurities of inhibitor components etc. SOLUTION: In continuously casting the electrical slab by a curvilinear or vertically curvilinear continuous casting machine by using molten steel having a component composition which contains ≤0.08 mass% C, ≤2.0 to 8.0 mass% Si, and 0.005 to 3.00 mass% Mn, is decreased in Al to ≤100 ppm and is decreased in N, S and Se respectively to ≤50 ppm, the surface temperature of the slab passing the straightening point of the cooling zone of the continuous casting machine is controlled to off the temperature range of 800 to 900°C. COPYRIGHT: (C)2004,JPO&NCIPI

23. 发明专利

JP2004162112A Method for producing grain-oriented magnetic steel sheet excellent in magnetic and coating characteristics and annealing separating agent used for the method 有权
公开(公告)号：JP2004162112A
公开(公告)日：2004-06-10
申请号：JP2002328639
申请日：2002-11-12
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： WATANABE MAKOTO , TAKAMIYA TOSHITO , MURAKI MINEO
IPC分类号： C23C22/00 , C21D1/70 , C21D8/12 , C21D9/46 , C22C38/00 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To provide a method for stably improving magnetic and coating characteristics of a grain-oriented magnetic steel sheet by improving magnesia used for an annealing separating agent as a main component. SOLUTION: The annealing separating agent used to the method for producing the grain-oriented magnetic steel sheet, is constituted of the magnesia as the main component, and is obtained by performing the last burning after containing ammonia or ammonium compound at 0.005-0.060 parts of weight to 100 parts of weight of magnesia in terms of NH 3 at any stage before the final burning in the production of the magnesia. COPYRIGHT: (C)2004,JPO

24. 发明专利

JP2004060039A Method for producing superlow core loss grain oriented silicon steel sheet 有权
公开(公告)号：JP2004060039A
公开(公告)日：2004-02-26
申请号：JP2002224117
申请日：2002-07-31
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , MURAKI MINEO , HINA EIJI , KOMATSUBARA MICHIRO
IPC分类号： C23C16/34
摘要： PROBLEM TO BE SOLVED: To provide a method by which, on the deposition of a film by a chemical vapor deposition method, problems on the feed of a reaction gas required for the film deposition from a slit nozzle can advantageously be solved, and a superlow core loss grain oriented silicon steel can be produced.
SOLUTION: The surface of a grain oriented silicon steel sheet subjected to final finish annealing and having no forsterite film on the surface is fed with a reaction gas via a slit nozzle, and a film is deposed thereon by chemical vapor deposition treatment. In this case, the linear velocity v of the reaction gas is controlled to ≥1 cm/s, and also, as for the distance d between the opening of the slit nozzle and the surface of the steel sheet and the spraying angle θ of the reaction gas to the surface of the steel sheet, v×sinθ/d≥0.5(s
-1 ) is satisfied.
COPYRIGHT: (C)2004,JPO

25. 发明专利

JP2004060029A Method for manufacturing super low core loss grain oriented magnetic steel sheet having excellent film adhesion 有权
公开(公告)号：JP2004060029A
公开(公告)日：2004-02-26
申请号：JP2002223384
申请日：2002-07-31
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MURAKI MINEO , YAMAGUCHI HIROSHI , HINA EIJI
IPC分类号： C23C16/46 , C21D9/46
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a low core loss grain oriented magnetic steel sheet in which excellent film adhesion is maintained on a film even when the heat treatment such as baking of tension application type coating and stress relief annealing are further performed on the film after the formation of the film by a chemical vapor deposition method. SOLUTION: When the film is continuously formed on the surface of the grain oriented magnetic steel sheet which is already subjected to a final finish annealing and has no forsterite film on the surface by the chemical vapor deposition treatment, the temperature of the steel sheet at the chemical vapor deposition is kept higher than atmosphere temperature. COPYRIGHT: (C)2004,JPO

26. 发明专利

JP2009052060A Insulation film treatment liquid for grain oriented electric steel sheet, and manufacturing method of grain oriented electric steel sheet with insulation film 有权
标题翻译：用于面向电磁钢板的绝缘膜处理液，以及带绝缘膜的面向导电电工钢板的制造方法
公开(公告)号：JP2009052060A
公开(公告)日：2009-03-12
申请号：JP2007217570
申请日：2007-08-23
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TAKASHIMA MINORU , WATANABE MAKOTO , SHIGEKUNI TOMOFUMI , MURAKI MINEO
IPC分类号： C23C22/00 , C21D9/46 , C23C22/12 , C23C22/18 , C23C22/20 , C23C22/22 , H01F1/16 , H01F1/18 , H01F41/02
CPC分类号： C23C22/188 , C21D6/00 , C21D8/1222 , C21D8/1233 , C21D8/1272 , C21D8/1283 , C21D8/1288 , C21D9/46 , C22C38/02 , C22C38/60 , C23C22/182 , C23C22/20 , C23C22/22 , C23C22/74 , H01F1/14791 , H01F1/18 , H01F27/23
摘要： PROBLEM TO BE SOLVED: To provide an insulation film treatment liquid for a grain oriented electric steel sheet capable of obtaining a grain oriented electric steel sheet capable of preventing degradation of the film tension and the hygroscopic resistance causing a problem in a case of the chromium-free insulation film treatment liquid, and having excellent insulation film characteristics, i.e., the film tension, the hygroscopic resistance, the rust preventing property and the space factor. SOLUTION: The insulation film treatment liquid contains one or two or more kinds of phosphates to be selected from those of Mg, Ca, Ba, Sr, Zn, Al and Mn, and contains colloid-like silica of 0.5-10 mol expressed in terms of SiO 2 and one or two or more kinds of permanganates of Mg, Sr, Zn, Ba and Ca of 0.02-2.5 mol expressed in terms of metal element in the permanganate, based on PO 4 of 1 mol in the selected phosphate. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决问题的方案：提供一种能够获得能够防止膜张力降低和耐吸湿性的晶粒取向电工钢板的晶粒取向电工钢板用绝缘膜处理液，其在无铬绝缘膜处理液，具有优异的绝缘膜特性，即膜张力，耐吸湿性，防锈性和空间因素。
解决方案：绝缘膜处理液含有选自Mg，Ca，Ba，Sr，Zn，Al和Mn中的一种或两种以上的磷酸盐，并且含有0.5-10mol的胶体状二氧化硅以SiO 2 表示，并且以高锰酸盐中的金属元素表示的Mg，Sr，Zn，Ba和Ca的0.02-2.5摩尔的一种或两种以上的高锰酸盐基于PO 在所选择的磷酸盐中，1mol的SB SB 4

27. 发明专利

JP2007138199A 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：JP2007138199A
公开(公告)日：2007-06-07
申请号：JP2005330421
申请日：2005-11-15
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TODA HIROAKI , TERAJIMA TAKASHI , MURAKI MINEO
IPC分类号： C21D9/46 , B21B3/02 , C21D8/12 , C22C38/00 , C22C38/60 , C23C22/00 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a grain oriented silicon steel sheet provided with a uniform forsterite insulation film free from defects over the whole width and whole length of a coil and having excellent adhesion, and also having excellent magnetic properties at a low cost. SOLUTION: When a grain oriented silicon steel sheet is produced by an inhibitorless process, as components, particularly, Sb: 0.035 to 0.30% and Mn: ä0.04+Sb(%)}% or above to 0.50% are incorporated, the average cooling rate in the range of 800 and 400°C in a cooling stage after annealing before final cold rolling is controlled to 20 to 50°C/s, also, into an annealing separation agent, a Ti compound is incorporated by 0.3 to 8 pts.mass expressed in terms of Ti to 100 pts.mass of magnesia, and, in a temperature rising stage in secondary recrystallization annealing, the retaining time in the range of 800 to 900°C is controlled to 40 to 150 hr. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题的方案为了提供一种具有均匀的镁橄榄石绝缘膜的晶粒取向硅钢片，其在线圈的整个宽度和整个长度上都没有缺陷，并且具有优异的粘合性，并且在低的情况下也具有优异的磁性能成本。解决方案：当通过无抑制法制造晶粒取向硅钢片时，特别是Sb：0.035〜0.30％，Mn：ä0.04+ Sb（％）}％以上至0.50％以外，在最终冷轧前退火后的冷却阶段的800℃〜400℃的平均冷却速度控制为20〜50℃/ s，并且，在退火分离剂中，将Ti化合物加入0.3 以Ti至100质量百分比的氧化镁表示，并且在二次再结晶退火的升温阶段中，将保持时间在800〜900℃的范围内控制为40〜150小时。版权所有（C）2007，JPO＆INPIT

28. 发明专利

JP2006274394A Method for manufacturing grain-oriented silicon steel sheet having superior magnetic characteristic and film characteristic 有权
标题翻译：具有超磁性特征和膜特性的晶粒取向硅钢板的制造方法
公开(公告)号：JP2006274394A
公开(公告)日：2006-10-12
申请号：JP2005097885
申请日：2005-03-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TODA HIROAKI , TERAJIMA TAKASHI , MURAKI MINEO
IPC分类号： C21D8/12 , C21D9/46 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To manufacture a grain-oriented magnetic steel sheet which has forsteritic insulation film uniform and superior in adhesion free from defects in the overall width and overall length of a coil and superior in magnetic characteristics as well at a low cost. SOLUTION: In manufacturing the grain-oriented magnetic steel sheet by an inhibitorless method, particularly 0.03 to 0.30% Sb, Mn ä0.04+Sb(%)} or higher and 0.50% or lower are incorporated into the steel sheet and the oxygen basis weight in the front layer of the steel sheet after decarburization annealing is specified to ≥0.5 to ≤0.8 g/m 2 per side. A Ti compound is incorporated therein at ≥0.3 to ≤3.8 parts by weight in terms of Ti and ≥0.3 to ≤8.00 per 100 parts by weight magnesia. Further, in a warp-up process of secondary recrystallization annealing, the stagnation time at ≥800 and ≤900°C is specified to ≤40 to ≥150 hours. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了制造具有均匀且具有优异的线圈整体宽度和整体长度上的缺陷的粘合剂，并且具有优异的磁特性以及较低的耐磨性的晶粒取向电磁钢板成本。解决方案：在通过无抑制法制造晶粒取向电磁钢板时，特别是在钢板中加入0.03〜0.30％的Sb，Mnä0.04+ Sb（％）}以上且0.50％以下，脱碳退火后的钢板前层的氧基重量每侧规定为≥0.5〜≤0.8g/ m 2 / SP。钛化合物以Ti计为≥0.3至≤3.8重量份，氧化铝100重量份≥0.3至≤8.00。此外，在二次再结晶退火的翘曲过程中，在≥800和≤900℃的停滞时间被规定为≤40至≥150小时。版权所有（C）2007，JPO＆INPIT

29. 发明专利

JP2006257534A Super core loss grain-oriented magnetic steel sheet having excellent magnetic characteristic 审中-公开
标题翻译：具有优异磁性特征的超级磁芯磨损磁性钢板
公开(公告)号：JP2006257534A
公开(公告)日：2006-09-28
申请号：JP2005080597
申请日：2005-03-18
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： HIRATANI TATSUHIKO , YAMAGUCHI HIROSHI , TAKASHIMA MINORU , MURAKI MINEO
IPC分类号： C22C38/00 , C22C38/02 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To provide a super core loss grain-oriented magnetic steel sheet having uniform magnetic characteristics over the entire surface of a coil by specifying an adequate film thickness distribution range of TiN films. SOLUTION: In the grain-oriented magnetic steel sheet having the TiN films on the front and rear surfaces of the steel sheet, when the average film thickness of the TiN film over the entire surface of the front and rear surfaces of the steel sheet is defined as t[ave.], the maximum film thickness difference in the TiN film thickness distribution in the direction perpendicular to rolling is defined as Δt[C], and the maximum value of the film thickness difference between the front and rear surfaces in the same position as Δt[S], the relation of the expression (1) (Δt[C]+2×Δt[S])/(3×t[ave.])≤0.3 is satisfied relating to these. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过指定TiN膜的适当的膜厚分布范围，提供在线圈的整个表面上具有均匀磁特性的超级磁芯损耗晶粒取向电磁钢板。解决方案：在钢板的表面和表面上具有TiN膜的晶粒取向电磁钢板中，当钢的表面和表面的整个表面上的TiN膜的平均膜厚度将片材定义为t [ave。]，垂直于轧制的方向的TiN膜厚度分布中的最大膜厚度差定义为Δt[C]，并且前后表面之间的膜厚度差的最大值在与Δt[S]相同的位置上，与这些相关的是满足式（1）（Δt[C] + 2×Δt[S]）/（3×t [ave。]）≤0.3的关系。版权所有（C）2006，JPO＆NCIPI

30. 发明专利

JP2006206997A Method for heating grain-oriented electromagnetic steel slab 有权
标题翻译：用于加热面向导电电磁钢板的方法
公开(公告)号：JP2006206997A
公开(公告)日：2006-08-10
申请号：JP2005023405
申请日：2005-01-31
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SHIDARA EITARO , SUZUKI TAKASHI , FUJITA AKIO , MURAKI MINEO
IPC分类号： C21D9/00 , C21D1/74 , C21D8/12 , C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a method for heating a grain-oriented electromagnetic steel slab so as to manufacture a grain-oriented electromagnetic steel sheet having adequate magnetic properties.
SOLUTION: When manufacturing the grain-oriented electromagnetic steel sheet with a thickness of 0.15 to 0.5 mm by using the electromagnetic steel slab having a predetermined composition as a material and hot-rolling it, this method for heating the slab comprises; first, charging the steel slab into a gas combustion type heating furnace and holding it therein for 2.5 hours or longer; controlling a temperature difference between a center temperature and a surface temperature of the slab existing between skids just before leaving the heating furnace to 40°C or lower, and a temperature difference between the center temperature and the surface temperature of the slab in a skid part to 60°C or lower; charging the slab into an induction heating furnace, heating it therein and keeping it for 10 minutes or longer while adjusting the surface temperature of the slab not greatly lower than the center temperature by 40°C but not higher than the center temperature by 20°C when a slab center temperature is in a range of 1,300 to 1,380°C, in the phenomenon of thermal conduction from the slab center to the slab surface layer; and hot-rolling the slab.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于加热晶粒取向电磁钢板的方法，以制造具有足够磁特性的晶粒取向电磁钢板。解决方案：通过使用具有预定组成的电磁钢板作为材料制造厚度为0.15至0.5mm的晶粒取向电磁钢板并进行热轧，这种用于加热板坯的方法包括：首先，将钢板装入气体燃烧式加热炉中并将其保持在其中2.5小时以上; 控制在刚刚离开加热炉之前存在于滑板之间的板坯的中心温度和表面温度之间的温差，以及在滑动部分中的板坯的中心温度和表面温度之间的温差至60℃以下; 将板坯加入到感应加热炉中，在其中加热并保持10分钟以上，同时调节板坯的表面温度不会大大低于中心温度40℃但不高于中心温度20℃ 当板坯中心温度在1300〜1380℃的范围内时，从板坯中心到板坯表面层的热传导现象; 并热轧板坯。版权所有（C）2006，JPO＆NCIPI

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