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1. 发明专利

JP2007256256A Method of evaluating thickness-directional component concentration of metal sample by spark discharge emission spectrophotometric analysis 有权
标题翻译：通过火花放电发射光谱分析法评估金属样品的厚度 - 方向分量浓度的方法
公开(公告)号：JP2007256256A
公开(公告)日：2007-10-04
申请号：JP2006289039
申请日：2006-10-24
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MIZUKAMI KAZUSANE , NANBA HIDEKAZU , MORISHIGE NORISATO
IPC分类号： G01N21/67
摘要： PROBLEM TO BE SOLVED: To provide a method of evaluating accurately and quickly a component concentration in a plate thickness-directional cross section of a metal sample, using a spark discharge emission analyzer. SOLUTION: In this method of evaluating the thickness-directional component concentration of the metal sample by spark discharge emission analysis, a surface of the metal sample of a measuring object is polishedly inclination-worked preliminarily, an emission spectrum obtained from each analytical point is spectroscopically analyzed thereafter while moving the analytical points not to be overlapped with the fellow analytical points adjacent each other, along a surface inclination direction with a thickness of the metal sample getting thin, using the spark discharge emission analysis, and the concentration of the specified component corresponding to the each thickness of the metal sample is found based on an emission intensity of wavelength corresponding to the specified component. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用火花放电发射分析仪来精确和快速地评估金属样品的板厚度方向横截面中的组分浓度的方法。解决方案：在通过火花放电发射分析评估金属样品的厚度方向分量浓度的方法中，测量对象的金属样品的表面被预先抛光倾斜，从每个分析得到的发射光谱点之后，使用火花放电发射分析，使金属样品的厚度变薄，沿着表面倾斜方向移动不与分析点重叠的分析点，并且将浓度基于对应于指定部件的波长的发射强度，找到与金属样品的每个厚度对应的特定成分。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2009235574A Method for producing grain-oriented electrical steel sheet having extremely high magnetic flux density 有权
标题翻译：生产具有极高磁通密度的面向电工钢板的方法
公开(公告)号：JP2009235574A
公开(公告)日：2009-10-15
申请号：JP2009052396
申请日：2009-03-05
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MORISHIGE NORISATO , MURAKAMI KENICHI , ARAI SATOSHI , NANBA HIDEKAZU , HONMA HODAKA , MIZUKAMI KAZUSANE , KUBO YUJI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for stably producing a grain-oriented electrical steel sheet having extremely high magnetic flux density in an industrial scale. SOLUTION: The method for producing the grain-oriented electrical steel sheet uses as material a slab composed of 0.02-0.10% C, 2.5-4.5% Si, 0.01-0.15% Mn, 0.001-0.050% S, 0.01-0.05% acid-soluble Al, 0.002-0.015% N, 0.0005-0.1000% Te. The method includes a series of processes: hot-rolling the above slab then applying a hot-rolled sheet annealing to the hot-rolled steel sheet; obtaining cold-rolled steel sheet by applying cold-rolling one time or two or more times with a process annealing interposed therebetween; then applying decarburization-annealing to the cold-rolled steel sheet and coating the cold-rolled steel sheet with an annealing separator; then applying finish-annealing to the steel sheet. In the method, just before the decarburization annealing or in the temperature raising process for decarburization annealing, the heating treatment to the temperature of ≥800°C at ≥50°C/sec heating speed, is performed. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种以工业规模稳定地制造具有极高磁通密度的方向性电磁钢板的方法。＆lt;解决方案＆gt;方向性电磁钢板的制造方法使用由0.02-0.10％C，2.5-4.5％Si，0.01-0.15％Mn，0.001-0.050％S，0.01-0.05 ％酸溶性Al，0.002-0.015％N，0.0005-0.1000％Te。该方法包括一系列方法：热轧上述板坯，然后对热轧钢板进行热轧板退火; 通过冷轧一次或两次以上，通过加工退火而获得冷轧钢板; 然后对冷轧钢板进行脱碳退火，并用退火分离机涂覆冷轧钢板; 然后对钢板进行精加工退火。在该方法中，在脱碳退火之前或脱碳退火的升温过程中，进行加热处理至≥800℃〜50℃/秒加热速度的温度。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2007144438A Cast slab for grain oriented silicon steel sheet and method for producing the same 有权
标题翻译：用于颗粒导向的硅钢板的铸造板及其制造方法
公开(公告)号：JP2007144438A
公开(公告)日：2007-06-14
申请号：JP2005339903
申请日：2005-11-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HARADA HIROSHI , NAGASHIMA MASAKI , KONNO TOSHIHIRO , NANBA HIDEKAZU , MIZUKAMI KAZUSANE
IPC分类号： B22D11/00 , B22D11/10 , B22D11/108 , B22D11/11 , B22D11/115 , C21C7/00 , C21C7/04 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To stably produce an ultrahigh magnetic flux density grain oriented silicon steel sheet having excellent magnetic properties. SOLUTION: In the method for casting a cast slab for grain oriented silicon steel sheet, the content of Bi in a steel is controlled to 0.0005 to 0.05 mass%, a region divided by providing an upper weir is formed in a molten steel pool on the outlet side of a tundish, and, as an iron-coated wire filled with Bi or a Bi alloy is fed into the region, the flow rate density Q of the molten steel in an immersion nozzle obtained by dividing the flow rate of the molten steel by the inner area of the nozzle, and the thrust F of electromagnetic stirring for forming a rotating flow in the vicinity of the molten steel surface satisfy the relational inequalities of Q≥0.9(ton/m 2 /s), and 3,000≤F≤10,000(Pa/m). Further, the uniformity standard deviation σ/the average concentration A in the concentration of the Bi in the cast slab satisfies the relational inequalities of 0.0005≤A≤0.05(%), and σ/A≤0.2. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了稳定地制造磁特性优异的超高磁通密度晶粒取向硅钢板。解决方案：在用于铸造晶粒取向硅钢板的铸造板的方法中，将钢中的Bi含量控制在0.0005〜0.05质量％，通过在钢水中形成上部堰的区域在中间包的出口侧的池中，并且作为填充有Bi或Bi合金的铁包线被供给到该区域中，通过将浸入式喷嘴中的钢水流量喷嘴内部的钢水和用于在钢水表面附近形成旋转流的电磁搅拌推力F满足关系不等式Q≥0.9（ton / m 2 / s），3,000≤F≤10,000（Pa / m）。此外，铸坯中Bi的浓度的均匀性标准偏差σ/平均浓度A满足关系不等式为0.0005≤A≤0.05（％），σ/A≤0.2。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2003027196A Method of manufacturing ultra-high mangnetic flux density grain-oriented silicon steel sheet having high magnetic flerd iron loss and excellent film characteristic 有权
标题翻译：制造具有高磁铁损耗和超薄膜特性的超高密度通量密度晶粒取向硅钢板的制造方法
公开(公告)号：JP2003027196A
公开(公告)日：2003-01-29
申请号：JP2001216033
申请日：2001-07-16
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NANBA HIDEKAZU , YANAGIHARA KATSUYUKI , ARAI SATOSHI , YAMAZAKI SHUICHI , ANDO FUMIKAZU
IPC分类号： C23C22/00 , C21D8/12 , C22C38/00 , C22C38/02 , C22C38/06 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a ultara-high magnetic flux density grain-oriented silicon steel sheet having high magnetic field iron loss and excellent film characteristics and a method of manufacturing the same. SOLUTION: The grain-oriented silicon steel sheet is characterized in that Bi exists at >=0.01 to =700 deg.C at a heating rate of >=100 deg.C/s prior to decarburization annealing, then regulating the stangnaition time at >=700 deg.C to 1 to 20 second and controlling the atmosphere of this temperature region. The resultant grain-oriented silicon steel sheet is high in the magnetic field iron loss and excellent in the film adhesion.
摘要翻译：要解决的问题：提供具有高磁场铁损和优异的膜特性的超高磁通密度晶粒取向硅钢板及其制造方法。解决方案：晶粒取向硅钢板的特征在于，在铁和初级膜之间的边界处，Bi存在于> = 0.01至<= 1,000ppm（重量）。这样的晶粒取向硅钢板可以通过在脱碳退火前以> = 100℃/ s的加热速度将钢板加热到> = 700℃的温度区域，然后调节在 > 700℃〜1〜20秒，控制该温度区域的气氛。所得到的晶粒取向硅钢板的磁场铁损高，膜附着性优异。

5. 发明专利

JP2009270129A Grain-oriented electrical steel sheet excellent in magnetic properties and adhesiveness of film, and manufacturing method therefor 有权
标题翻译：电磁性能优异的电磁钢板及其制造方法
公开(公告)号：JP2009270129A
公开(公告)日：2009-11-19
申请号：JP2008118705
申请日：2008-04-30
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KUBO YUJI , MURAKAMI KENICHI , NANBA HIDEKAZU , ARAI SATOSHI , HONMA HODAKA , MORISHIGE NORISATO , MIZUKAMI KAZUSANE
IPC分类号： C23C22/00 , C21D8/12 , C22C38/00 , C22C38/02 , C22C38/60 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented electrical steel sheet to be used for an iron core material in electrical machinery and apparatus, which has both of high magnetic properties and an excellent adhesiveness of the film, shows acid resistance even when the forsteritic film is thinned, and can be industrially stably manufactured, and to provide a manufacturing method therefor. SOLUTION: The grain-oriented electrical steel sheet excellent in the magnetic properties and the adhesiveness of the film contains 2 to 5 mass% Si, has the forsteritic film on its surface, and has saturation magnetic flux density B 8 of 1.90 T or more. The forsteritic film contains one or two of Ce and La, and has a color of 1.0 or more but less than 7.0 in terms of yellow degree b * in a L * a * b * color coordinate system. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有高磁性和膜粘合性优异的电机和设备中的铁芯材料用的方向性电磁钢板，均匀显示出耐酸性当镁橄榄石薄膜变薄并且可以在工业上稳定地制造时，并提供其制造方法。解决方案：具有优异的磁特性和膜的粘合性的晶粒取向电工钢片含有2〜5质量％的Si，其表面具有镁橄榄石膜，并具有饱和磁通密度B 8 为1.90T以上。镁橄榄石膜含有Ce和La中的一种或两种，并且在L * a中的黄色度b * 中具有1.0以上且小于7.0的颜色颜色坐标系 * b * 版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2008156693A Method for manufacturing grain-oriented electromagnetic steel sheet excellent in magnetic characteristic having good film 审中-公开
标题翻译：用于制造具有良好电磁性的磁性特征优良的面向导电电磁钢板的方法
公开(公告)号：JP2008156693A
公开(公告)日：2008-07-10
申请号：JP2006345790
申请日：2006-12-22
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI KENICHI , HONMA HODAKA , MORISHIGE NORISATO , NANBA HIDEKAZU , ARAI SATOSHI , MIZUKAMI KAZUSANE , KUBO YUJI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , C23C22/00 , H01F1/18
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for satisfying both of an industrially good film and a magnetic characteristic, which have been conventionally difficult, as regards a method for manufacturing a grain-oriented electromagnetic steel sheet used for an iron core material for an electrical apparatus. SOLUTION: In the process for manufacturing grain-oriented electrical steel sheet, a slab composed, by weight, of 0.02-0.10% C, 2.5-4.5% Si, 0.010-0.050% acid-soluble Al, 0.003-0.013% N, 0.015-0.040% S, 0.040-0.120% Mn and the balance Fe with inevitable impurities, is heated to ≥1,250°C, is subjected to hot-rolling, and then subjected to annealing and pickling; thereafter, a decarburize-annealing at one time or two times of cold rolling steps interposing the annealing during the cold rolling steps is applied; an annealing separating agent-coating is performed, and then the final finish annealing is applied; wherein a coil temperature-raising rate at the final finish annealing is 13°C/h-50°C/h till 850-T°C and 3°C/h to COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种以往难以满足工业上良好的薄膜和磁特性两者的制造方法，关于用于铁芯的方向性电磁钢板的制造方法电器材料解决方案：在制造晶粒取向电工钢板的方法中，将重量比为0.02-0.10％C，2.5-4.5％Si，0.010-0.050％酸溶性Al，0.003-0.013％ N，0.015-0.040％S，0.040-0.120％Mn，余量为不可避免的杂质，加热至≥250℃，进行热轧，然后进行退火和酸洗; 此后，施加在冷轧步骤中进行退火的一次或两次冷轧步骤的脱碳退火; 进行退火分离剂涂布，然后进行最终成品退火; 其中最终成品退火时的线圈升温速度为13℃/ h-50℃/ h，直到850-T℃，3℃/ h至<13℃/ h，直至T-1150℃，其中T = 950-1,050℃。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2004238734A Unidirectional electromagnetic steel sheet with ultrahigh magnetic flux density and excellent in high-magnetic-field core loss and coating film characteristics 有权
公开(公告)号：JP2004238734A
公开(公告)日：2004-08-26
申请号：JP2004003691
申请日：2004-01-09
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NANBA HIDEKAZU , YANAGIHARA KATSUYUKI , YAMAZAKI SHUICHI , KOBAYASHI HIDEYUKI , ANDO FUMIKAZU , ARAI SATOSHI
IPC分类号： C23C22/00 , C22C38/00 , C22C38/02 , C22C38/60 , H01F1/16 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To provide a unidirectional electromagnetic steel sheet with an ultrahigh magnetic flux density and excellent in high-magnetic-field core loss and coating film characteristics. SOLUTION: The unidirectional electromagnetic steel sheet has the following features: the Si content is 2-7 mass%; in observing the cross section of the surface of a steel sheet composed of a primary coating film and base metal, a Mg-containing internal oxide with an equivalent circle diameter of 0.1 μm or more is observed in the range of from the surface to a depth of 10 μm; the wedge ratio is 10% or higher; since Bi in a content of 0.01 mass ppm or higher but lower than 1,000 mass ppm is present at the interface between base metal and the primary coating film, the ratio: W 19/50 /W 17/50 of W 19/50 (energy loss under the excitation conditions of 1.9T and 50 Hz) to W 17/50 (energy loss under excitation conditions of 1.7T and 50 Hz) is less than 1.8; and in bending to a curvature radius of 30 mm, the coating film separation occurs at a ratio lower than 25%. COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2012214902A Grain-oriented electromagnetic steel sheet excellent in film adhesion, and process for producing the same 有权
标题翻译：电镀粘合剂中优良的电磁电磁钢板及其制造方法
公开(公告)号：JP2012214902A
公开(公告)日：2012-11-08
申请号：JP2012134001
申请日：2012-06-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NANBA HIDEKAZU , KUBO YUJI , TAKEDA KAZUTOSHI , ARAI SATOSHI , HONMA HODAKA , MURAKAMI KENICHI , KOBAYASHI HIDEYUKI
IPC分类号： C22C38/00 , C21D8/12 , C22C38/60 , C23C22/00 , H01F1/16 , H01F1/18
CPC分类号： H01F1/14775 , C21D1/70 , C21D8/12 , C21D8/1283 , C22C38/02 , C22C38/04 , C22C38/60 , Y10T428/12007
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented electromagnetic steel sheet excellent in film adhesion, especially, in film frame peel property.SOLUTION: The grain-oriented electromagnetic steel sheet contains 1.8-7% Si by mass and has a primary film containing a forsterite as the main component on the surface. The grain-oriented electromagnetic steel sheet excellent in the film adhesion is characterized in that basis weight of one or more kinds among Ce, La, Pr, Nd, Sc, Y in the primary film is 0.001-1,000 mg/mper one side, and is characterized in that Ti basis weight in the primary film is contained with 1-800 mg/mper one side, and further, the basis weight of one or more kinds among Sr, Ca, Ba in the primary film is contained with 0.01-100 mg/mper one side.
摘要翻译：要解决的问题：提供一种膜粘合性优异的晶粒取向电磁钢板，特别是膜框剥离性。解决方案：晶粒取向电磁钢板含有1.8〜7质量％的Si，其表面含有以镁橄榄石为主要成分的初级膜。膜粘合性优异的晶粒取向电磁钢板的特征在于，初级膜中的Ce，La，Pr，Nd，Sc，Y中的一种以上的基重为0.001〜1,000mg / m 2，SP POS = “POST”> 2 ，其特征在于，主膜中的Ti单位面积重量为1-800mg / m 2，每一面包含2个/ SP 此外，初级膜中的Sr，Ca，Ba中的一种以上的单位面积重量，每一面含有0.01〜100mg / m 2 / SP SP =“POST”> 2 。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2011208196A Method for manufacturing grain-oriented electromagnetic steel sheet having considerably low iron loss 有权
标题翻译：制造具有可观的低铁损失的面向导向的电磁钢板的方法
公开(公告)号：JP2011208196A
公开(公告)日：2011-10-20
申请号：JP2010075340
申请日：2010-03-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MORISHIGE NORISATO , MURAKAMI KENICHI , ARAI SATOSHI , NANBA HIDEKAZU , KOBAYASHI HIDEYUKI , MASUMITSU NAOTO
IPC分类号： C21D8/12 , B21B3/02 , C22C38/00 , C22C38/60 , H01F1/16 , H01F1/18 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method for consistently manufacturing a grain-oriented electromagnetic steel sheet of considerably low iron loss on the industrial scale.SOLUTION: The method for consistently manufacturing the grain-oriented electromagnetic steel sheet includes a series of steps of: heating a slab having the composition consisting of, by mass, C: 0.02-0.10%, Si: 2.5-4.5%, Mn: 0.01-0.15%, S: 0.001-0.050%, acid-soluble Al: 0.01-0.05%, N: 0.002-0.015%, Te: 0.0005-0.10%, and the balance Fe with inevitable impurities at the temperature of ≥1,280°C; hot-rolling the steel sheet; annealing the hot-rolled plate; cold-rolling once or twice or more including the intermediate annealing to form a cold-rolled steel sheet; performing the decarburization-annealing of the cold-rolled steel sheet; coating the separation agent for annealing mainly consisting of MgO on the surface of the steel sheet; and performing the finish-annealing. Grooves are formed during the decarburization-annealing or between the temperature-raising process before the decarburization-annealing and the decarburization-annealing, or the steel sheet is subjected to recrystallization-annealing after the decarburization-annealing.
摘要翻译：要解决的问题：提供一种在工业规模上持续制造具有相当低铁损的晶粒取向电磁钢板的方法。解决方案：一贯制造晶粒取向电磁钢板的方法包括以下一系列步骤：加热组成由以质量计含有C：0.02-0.10％，Si：2.5-4.5％，Mn：0.01-0.15％，S：0.001-0.050％，酸溶性Al：0.01-0.05％组成的板坯， N：0.002-0.015％，Te：0.0005-0.10％，余量为Fe，不可避免的杂质在温度≥1280℃; 热轧钢板; 退火热轧板; 冷轧一次或两次以上，包括中间退火以形成冷轧钢板; 进行冷轧钢板的脱碳退火; 在钢板表面涂覆主要由MgO组成的退火分离剂; 并进行最终退火。在脱碳退火期间或脱碳退火和脱碳退火前的升温工序之间形成槽，或者在脱碳退火后对钢板进行再结晶退火。

10. 发明专利

JP2009209428A Method for manufacturing grain-oriented electromagnetic steel sheet with remarkably high magnetic flux density 有权
标题翻译：制造具有高磁导率密度的面向导电电磁钢板的方法
公开(公告)号：JP2009209428A
公开(公告)日：2009-09-17
申请号：JP2008055253
申请日：2008-03-05
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MORISHIGE NORISATO , MURAKAMI KENICHI , ARAI SATOSHI , NANBA HIDEKAZU , HONMA HODAKA , MIZUKAMI KAZUSANE , KUBO YUJI
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 stably manufacturing a grain-oriented electromagnetic steel sheet with remarkably high magnetic flux density, on an industrial scale. SOLUTION: The method for manufacturing the grain-oriented electromagnetic steel sheet includes a series of steps of: hot-rolling a slab which has a composition comprising 0.02 to 0.10% C, 2.5 to 4.5% Si, 0.01 to 0.15% Mn, 0.001 to 0.050% S, 0.01 to 0.05% acid-soluble Al, 0.002 to 0.015% N, 0.0005 to 0.1000% Te and 0.0005 to 0.1000% Bi; then annealing the hot-rolled plate; cold-rolling it once, or cold-rolling it more times while sandwiching an intermediate annealing step to form a cold-rolled steel sheet; subsequently decarburization-annealing the sheet; applying a separation agent for annealing on the sheet; and finish-annealing it. In a heating step of finish annealing, an average heating rate for a coil is controlled to 20°C/h or less at 750°C to 1,150°C. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种以工业规模稳定地制造具有非常高的磁通密度的晶粒取向电磁钢板的方法。解决方案：晶粒取向电磁钢板的制造方法包括以下一系列步骤：将具有0.02〜0.10％C，2.5〜4.5％Si，0.01〜0.15％Mn，，0.001〜0.050％S，0.01〜0.05％酸溶性Al，0.002〜0.015％N，0.0005〜0.1000％Te和0.0005〜0.1000％Bi; 然后退火热轧板; 冷轧一次，或者在夹持中间退火工序的同时冷轧多次，形成冷轧钢板; 随后对片材进行脱碳退火; 在片材上施加退火分离剂; 并完成退火。在最终退火的加热步骤中，将线圈的平均加热速度在750℃〜1150℃下控制为20℃/ h以下。版权所有（C）2009，JPO＆INPIT

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