公开(公告)号：US07981223B2

公开(公告)日：2011-07-19

申请号：US12215540

申请日：2008-06-27

申请人： Eiichi Nanba ,  Katsuyuki Yanagihara ,  Satoshi Arai ,  Shuichi Yamazaki ,  Fumikazu Ando ,  Kazutoshi Takeda ,  Yousuke Kurosaki ,  Nobuo Tachibana

发明人： Eiichi Nanba ,  Katsuyuki Yanagihara ,  Satoshi Arai ,  Shuichi Yamazaki ,  Fumikazu Ando ,  Kazutoshi Takeda ,  Yousuke Kurosaki ,  Nobuo Tachibana

IPC分类号： H01F1/147

CPC分类号： C22C38/16 ,  C21D3/04 ,  C21D8/1244 ,  C21D8/1255 ,  C21D8/1266 ,  C21D8/1272 ,  C21D8/1277 ,  C21D8/1283 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/60 ,  H01F1/14775 ,  H01F1/18

摘要： The present invention is a grain-oriented electrical steel sheet characterized in that Bi is present at 0.01 to less than 1,000 ppm in terms of mass at the interface of the substrate steel and the primary film of the grain-oriented electrical steel sheet. The grain-oriented electrical steel sheet is produced by any of the processes of: before decarburization annealing, applying preliminary annealing for 1 to 20 sec. at 700° C. or higher and controlling an atmosphere in the temperature range; controlling the maximum attaining temperature B (° C.) before final cold rolling so that the maximum attaining temperature B may satisfy the expression, −10×ln(A)+1,100≦B≦10×ln(A)+1,220, in accordance with a Bi content A (ppm) and at the same time heating the steel sheet cold rolled to the final thickness to 700° C. or higher within 10 sec. or at a heating rate of 100° C./sec. or more before decarburization annealing, or immediately thereafter applying preliminary annealing for 1 to 20 sec. at 700° C. or higher; or controlling a TiO2 amount B added in relation to MgO of 100 as parts by weight and an MgO coating amount C (g/m2) so that the expression, A0.8≦B×C≦400, may be satisfied in accordance with the Bi content A (ppm).

摘要翻译： 本发明是一种方向性电磁钢板，其特征在于，所述Bi在基板钢与晶粒取向电工钢板的一次膜的界面处的质量比为0.01〜小于1,000ppm。 晶粒取向电工钢板通过以下任一方法制造：在脱碳退火之前，进行1〜20秒的预退火。 在700℃以上，控制温度范围内的气氛; 控制最终冷轧前的最大达到温度B（℃），使得最大达到温度B可以满足以下表达式：-10×ln（A）+ 1,100＆nlE; B＆nlE; 10×ln（A）+1,220， 根据Bi含量A（ppm），同时在10秒内将冷轧至最终厚度的钢板加热至700℃以上。 或加热速率为100℃/秒。 或更多的脱碳退火之前，或者之后立即进行1〜20秒的预退火。 在700℃以上; 或控制相对于MgO添加的TiO 2量为100重量份，MgO涂布量C（g / m 2），使得可以根据下式求出A0.8＆nlE; B×C＆nlE; 400的表达式 Bi含量A（ppm）。

公开(公告)号：US20100055481A1

公开(公告)日：2010-03-04

申请号：US12312427

申请日：2007-11-15

申请人： Yuji Kubo ,  Eiichi Nanba ,  Satoshi Arai ,  Hotaka Honma ,  Kazumi Mizukami ,  Koki Tanaka

发明人： Yuji Kubo ,  Eiichi Nanba ,  Satoshi Arai ,  Hotaka Honma ,  Kazumi Mizukami ,  Koki Tanaka

IPC分类号： B32B15/04 ,  C23C8/00

CPC分类号： C22C38/00 ,  C21D8/1266 ,  C21D8/1272 ,  C21D8/1283 ,  H01F1/14775

摘要： Grain-oriented electrical steel sheet excellent in coating adhesion is provided. The steel sheet contains Si: 2 to 7% mass % and has a primary coating composed mainly of forsterite on its surface. A compound (A) containing one or more elements selected from among Ca, Sr and Ba, at least one rare earth metal, and sulfur is incorporated in the primary coating so as to reside in the interface layer between the primary coating and the steel sheet. As a result, occurrence of primary coating exfoliation at regions that are strongly worked during manufacture of a wound core transformer or the like is prevented.

摘要翻译： 提供了优异的涂层附着力的晶粒取向电工钢板。 钢板含有Si：2〜7％质量％，其表面主要由镁橄榄石构成。 含有选自Ca，Sr和Ba中的一种或多种元素，至少一种稀土金属和硫的化合物（A）被引入初级涂层中以便存在于初级涂层和钢板之间的界面层 。 结果，防止在卷绕铁芯变压器等的制造期间强烈加工的区域发生初级涂层剥离。

公开(公告)号：US06395104B1

公开(公告)日：2002-05-28

申请号：US09202511

申请日：1998-12-15

申请人： Kenji Kosuge ,  Kishio Mochinaga ,  Eiichi Nanba ,  Nobuo Tachibana ,  Shinya Ishii ,  Naoki Yagi

发明人： Kenji Kosuge ,  Kishio Mochinaga ,  Eiichi Nanba ,  Nobuo Tachibana ,  Shinya Ishii ,  Naoki Yagi

IPC分类号： C21D176

CPC分类号： C21D8/1283 ,  C21D3/04 ,  C21D8/1244 ,  C21D8/1272 ,  C23C8/18 ,  C23C28/00 ,  H01F1/14783

摘要： A process for producing a grain-oriented electrical steel sheet wherein during the decarburization annealing step, the steel sheet is first rapidly heated in a rapid heating chamber and the PH2O/PH2 ratio in the rapid heating chamber is more than the PH2O/PH2 ratio in the decarburization annealing furnace so as to provide improved oxide film adhesion.

摘要翻译： 一种方向性电磁钢板的制造方法，其中在脱碳退火工序中，钢板首先在快速加热室中快速加热，并且快速加热室中的PH 2 O / PH 2比大于PH 2 O / PH 2比 脱碳退火炉，以提供改善的氧化膜附着力。

公开(公告)号：US08384897B2

公开(公告)日：2013-02-26

申请号：US12934031

申请日：2009-04-23

申请人： Kazumi Mizukami ,  Kenichi Murakami ,  Satoshi Arai ,  Nobusato Morishige ,  Yuji Kubo ,  Hotaka Honma ,  Eiichi Nanba

发明人： Kazumi Mizukami ,  Kenichi Murakami ,  Satoshi Arai ,  Nobusato Morishige ,  Yuji Kubo ,  Hotaka Honma ,  Eiichi Nanba

IPC分类号： G01N15/02

CPC分类号： G01N15/0205 ,  G01N30/0005 ,  G01N33/20 ,  G01N2021/4704

摘要： A method according to the present invention has: isolating, by extraction, particles contained in a metal material to be analyzed in a solution using a particle isolator; dispersing the particles isolated by extraction into a solvent to prepare a dispersion, and fractionating the dispersion into a plurality of particle dispersions based on particle sizes, using a field flow fractionator; and irradiating laser light on each of the particle dispersions separated based on predetermined particle sizes, to thereby measure absolute values of the particle size based on angular dependence of reflection intensity, and also to thereby measure the number density based on magnitude of reflection intensity.

摘要翻译： 根据本发明的方法具有：通过提取使用粒子隔离器在溶液中分离待分析的金属材料中的颗粒; 将通过萃取分离的颗粒分散到溶剂中以制备分散体，并使用场流分馏器将分散体分馏成基于粒径的多个颗粒分散体; 并且将激光照射到基于预定粒径分离的每个颗粒分散体上，从而基于反射强度的角度依赖性测量粒径的绝对值，并且由此基于反射强度的大小来测量数量密度。

公开(公告)号：US20090047537A1

公开(公告)日：2009-02-19

申请号：US11920591

申请日：2006-05-19

申请人： Eiichi Nanba ,  Yuji Kubo ,  Kazutoshi Takeda ,  Satoshi Arai ,  Hotaka Honma ,  Kenichi Murakami ,  Hideyuki Kobayashi

发明人： Eiichi Nanba ,  Yuji Kubo ,  Kazutoshi Takeda ,  Satoshi Arai ,  Hotaka Honma ,  Kenichi Murakami ,  Hideyuki Kobayashi

IPC分类号： B32B15/00

CPC分类号： H01F1/14775 ,  C21D1/70 ,  C21D8/12 ,  C21D8/1283 ,  C22C38/02 ,  C22C38/04 ,  C22C38/60 ,  Y10T428/12007

摘要： The present invention provides oriented magnetic steel plate with excellent coating adhesion, in particular coating edge peeling resistance, that is, oriented magnetic steel plate with excellent coating adhesion containing, by mass %, Si: 1.8 to 7% and having a primary coating having forsterite as its main ingredient on its surface, said oriented magnetic steel plate characterized in that said primary coating contains one or more of Ce, La, Pr, Nd, Sc, and Y in an areal weight per side of 0.001 to 1000 mg/m2; characterized in that said primary coating contains Ti in an areal weight per side of 1 to 800 mg/m2; and characterized in that said primary coating contains one or more of Sr, Ca, and Ba in an areal weight per side of 0.01 to 100 mg/m2.

摘要翻译： 本发明提供了具有优异的涂层附着力，特别是涂覆边缘剥离性的取向磁性钢板，即具有优异的涂层粘合性的定向磁性钢板，以质量％计含有Si：1.8〜7％，并具有含镁橄榄石的初级涂层 作为其表面的主要成分，所述取向磁钢板的特征在于，所述初级涂层含有0.001至1000mg / m 2的每面重量的Ce，La，Pr，Nd，Sc和Y中的一种或多种; 其特征在于，所述初级涂层含有每面面积重量为1至800mg / m 2的Ti; 其特征在于，所述初级涂层含有每面面积重量为0.01至100mg / m 2的Sr，Ca和Ba中的一种或多种。

公开(公告)号：US20080271819A1

公开(公告)日：2008-11-06

申请号：US12215540

申请日：2008-06-27

申请人： Eiichi Nanba ,  Katsuyuki Yanagihara ,  Satoshi Arai ,  Shuichi Yamazaki ,  Fumikazu Ando ,  Kazutoshi Takeda ,  Yousuke Kurosaki ,  Nobuo Tachibana

发明人： Eiichi Nanba ,  Katsuyuki Yanagihara ,  Satoshi Arai ,  Shuichi Yamazaki ,  Fumikazu Ando ,  Kazutoshi Takeda ,  Yousuke Kurosaki ,  Nobuo Tachibana

IPC分类号： C21D6/00 ,  C21D8/02

CPC分类号： C22C38/16 ,  C21D3/04 ,  C21D8/1244 ,  C21D8/1255 ,  C21D8/1266 ,  C21D8/1272 ,  C21D8/1277 ,  C21D8/1283 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/60 ,  H01F1/14775 ,  H01F1/18

摘要： The present invention is a grain-oriented electrical steel sheet characterized in that Bi is present at 0.01 to less than 1,000 ppm in terms of mass at the interface of the substrate steel and the primary film of the grain-oriented electrical steel sheet. The grain-oriented electrical steel sheet is produced by any of the processes of: before decarburization annealing, applying preliminary annealing for 1 to 20 sec. at 700° C. or higher and controlling an atmosphere in the temperature range; controlling the maximum attaining temperature B (° C.) before final cold rolling so that the maximum attaining temperature B may satisfy the expression, −10×ln(A)+1,100≦B≦10×ln(A)+1,220, in accordance with a Bi content A (ppm) and at the same time heating the steel sheet cold rolled to the final thickness to 700° C. or higher within 10 sec. or at a heating rate of 100° C./sec. or more before decarburization annealing, or immediately thereafter applying preliminary annealing for 1 to 20 sec. at 700° C. or higher; or controlling a TiO2 amount B added in relation to MgO of 100 as parts by weight and an MgO coating amount C (g/m2) so that the expression, A0.8≦B×C≦400, may be satisfied in accordance with the Bi content A (ppm).

公开(公告)号：US06635125B2

公开(公告)日：2003-10-21

申请号：US10108064

申请日：2002-03-27

申请人： Kenji Kosuge ,  Kishio Mochinaga ,  Eiichi Nanba ,  Nobuo Tachibana ,  Shinya Ishii ,  Naoki Yagi

发明人： Kenji Kosuge ,  Kishio Mochinaga ,  Eiichi Nanba ,  Nobuo Tachibana ,  Shinya Ishii ,  Naoki Yagi

IPC分类号： C22C3802

CPC分类号： C21D8/1283 ,  C21D3/04 ,  C21D8/1244 ,  C21D8/1272 ,  C23C8/18 ,  C23C28/00 ,  H01F1/14783

摘要： A grain-oriented electrical steel sheet excellent in film and iron loss characteristics. The steel sheet contains up to 0.005% of C, 2.0 to 7.0& Si in terms of weight % and the balance iron and unavoidable impurities. An oxide film which mainly contains forsterite is formed on the surface and an insulating coating is formed on the oxide film. The peak intensity of Si obtained by glow discharge spectral analysis (GDS analysis) from the oxide film surface is at least ½ of that of Al, and the depth of the peak position of Si from the oxide film surface us up to {fraction (1/10)} of the depth of that of Al. The sheet satisfies the formulas for a ratio y(%) with which peeling of the oxide film does not take place when subjected to a bending test with a curvature of 20 mm and for core loss characteristic W (W/kg): y(%)≧−122.45t+112.55 W (W/kg)≦2.37t+0.280 wherein t represents a sheet thickness in terms of mm.

摘要翻译： 薄膜和铁损特性优异的晶粒取向电工钢板。 钢板含有高达0.005％的C，2.0〜7.0＆Si，以重量％计，余量为铁和不可避免的杂质。 在表面上形成主要含有镁橄榄石的氧化膜，在氧化膜上形成绝缘涂层。 通过辉光放电光谱分析（GDS分析）从氧化膜表面获得的Si的峰值强度至少为Al的1/2，Si的氧化膜表面的峰值位置深度达到{分数（1） / 10为铝的深度，片材满足在进行曲率为20mm的弯曲试验和芯损耗特性的情况下氧化膜剥离不发生的比率y（％）的式 W（W / kg）：其中t表示以mm计的片材厚度。

公开(公告)号：US20110019187A1

公开(公告)日：2011-01-27

申请号：US12934031

申请日：2009-04-23

申请人： Kazumi Mizukami ,  Kenichi Murakami ,  Satoshi Arai ,  Nobusato Morishige ,  Yuji Kubo ,  Hotaka Honma ,  Eiichi Nanba

发明人： Kazumi Mizukami ,  Kenichi Murakami ,  Satoshi Arai ,  Nobusato Morishige ,  Yuji Kubo ,  Hotaka Honma ,  Eiichi Nanba

IPC分类号： G01N15/02

CPC分类号： G01N15/0205 ,  G01N30/0005 ,  G01N33/20 ,  G01N2021/4704

摘要： A method according to the present invention has: isolating, by extraction, particles contained in a metal material to be analyzed in a solution using a particle isolator; dispersing the particles isolated by extraction into a solvent to prepare a dispersion, and fractionating the dispersion into a plurality of particle dispersions based on particle sizes, using a field flow fractionator; and irradiating laser light on each of the particle dispersions separated based on predetermined particle sizes, to thereby measure absolute values of the particle size based on angular dependence of reflection intensity, and also to thereby measure the number density based on magnitude of reflection intensity.

摘要翻译： 根据本发明的方法具有：通过提取使用粒子隔离器在溶液中分离待分析的金属材料中的颗粒; 将通过萃取分离的颗粒分散到溶剂中以制备分散体，并使用场流分馏器将分散体分馏成基于粒径的多个颗粒分散体; 并且将激光照射到基于预定粒径分离的每个颗粒分散体上，从而基于反射强度的角度依赖性测量粒径的绝对值，并且由此基于反射强度的大小来测量数量密度。

公开(公告)号：US07399369B2

公开(公告)日：2008-07-15

申请号：US10484347

申请日：2002-07-16

申请人： Eiichi Nanba ,  Katsuyuki Yanagihara ,  Satoshi Arai ,  Shuichi Yamazaki ,  Fumikazu Ando ,  Kazutoshi Takeda ,  Yousuke Kurosaki ,  Nobuo Tachibana

发明人： Eiichi Nanba ,  Katsuyuki Yanagihara ,  Satoshi Arai ,  Shuichi Yamazaki ,  Fumikazu Ando ,  Kazutoshi Takeda ,  Yousuke Kurosaki ,  Nobuo Tachibana

IPC分类号： H01F1/147 ,  H01F1/18

CPC分类号： C22C38/16 ,  C21D3/04 ,  C21D8/1244 ,  C21D8/1255 ,  C21D8/1266 ,  C21D8/1272 ,  C21D8/1277 ,  C21D8/1283 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/60 ,  H01F1/14775 ,  H01F1/18

摘要： The present invention is a grain-oriented electrical steel sheet characterized in that Bi is present at 0.01 to less than 1,000 ppm in terms of mass at the interface of the substrate steel and the primary film of the grain-oriented electrical steel sheet. The grain-oriented electrical steel sheet is produced by any of the processes of: before decarburization annealing, applying preliminary annealing for 1 to 20 sec. at 700° C. or higher and controlling an atmosphere in the temperature range; controlling the maximum attaining temperature B (° C.) before final cold rolling so that the maximum attaining temperature B may satisfy the expression, −10×ln(A)+1,100≦B≦10×ln(A)+1,220, in accordance with a Bi content A (ppm) and at the same time heating the steel sheet cold rolled to the final thickness to 700° C. or higher within 10 sec. or at a heating rate of 100° C./sec. or more before decarburization annealing, or immediately thereafter applying preliminary annealing for 1 to 20 sec. at 700° C. or higher; or controlling a TiO2 amount B added in relation to MgO of 100 as parts by weight and an MgO coating amount C (g/m2) so that the expression, A0.8≦B×C≦400, may be satisfied in accordance with the Bi content A (ppm).

摘要翻译： 本发明是一种方向性电磁钢板，其特征在于，所述Bi在基板钢与晶粒取向电工钢板的一次膜的界面处的质量比为0.01〜小于1,000ppm。 晶粒取向电工钢板通过以下任一方法制造：在脱碳退火之前，进行1〜20秒的预退火。 在700℃以上，控制温度范围内的气氛; 控制最终冷轧前的最大达到温度B（℃），使得最大达到温度B可以满足以下表达式：-10×ln（A）+1,100 <= B <= 10×ln（A）+1,220，根据 Bi含量A（ppm），同时在10秒内将钢板冷轧至最终厚度至700℃以上。 或加热速率为100℃/秒。 或更多的脱碳退火之前，或者之后立即进行1〜20秒的预退火。 在700℃以上; 或控制相对于MgO为100重量份的TiO 2 B量和MgO涂布量C（g / m 2 O 2），使得表达式A 根据Bi含量A（ppm）可以满足0.8≤BxC≤400。

公开(公告)号：US07942982B2

公开(公告)日：2011-05-17

申请号：US12312427

申请日：2007-11-15

申请人： Yuji Kubo ,  Eiichi Nanba ,  Satoshi Arai ,  Hotaka Honma ,  Kazumi Mizukami ,  Koki Tanaka

发明人： Yuji Kubo ,  Eiichi Nanba ,  Satoshi Arai ,  Hotaka Honma ,  Kazumi Mizukami ,  Koki Tanaka

IPC分类号： H01F1/147

CPC分类号： C22C38/00 ,  C21D8/1266 ,  C21D8/1272 ,  C21D8/1283 ,  H01F1/14775

摘要： Grain-oriented electrical steel sheet excellent in coating adhesion is provided. The steel sheet contains Si: 2 to 7% mass % and has a primary coating composed mainly of forsterite on its surface. A compound (A) containing one or more elements selected from among Ca, Sr and Ba, at least one rare earth metal, and sulfur is incorporated in the primary coating so as to reside in the interface layer between the primary coating and the steel sheet. As a result, occurrence of primary coating exfoliation at regions that are strongly worked during manufacture of a wound core transformer or the like is prevented.

摘要翻译： 提供了优异的涂层附着力的晶粒取向电工钢板。 钢板含有Si：2〜7％质量％，其表面主要由镁橄榄石构成。 含有选自Ca，Sr和Ba中的一种或多种元素，至少一种稀土金属和硫的化合物（A）被引入初级涂层中以便存在于初级涂层和钢板之间的界面层 。 结果，防止在卷绕铁芯变压器等的制造期间强烈加工的区域发生初级涂层剥离。