公开(公告)号：US5145533A

公开(公告)日：1992-09-08

申请号：US769586

申请日：1991-10-02

申请人： Yasunari Yoshitomi ,  Yozo Suga ,  Nobuyuki Takahashi ,  Yoshiyuki Ushigami ,  Tadashi Nakayama

发明人： Yasunari Yoshitomi ,  Yozo Suga ,  Nobuyuki Takahashi ,  Yoshiyuki Ushigami ,  Tadashi Nakayama

IPC分类号： C21D8/12 ,  C21D11/00 ,  C22C38/00 ,  C22C38/02 ,  C22C38/06 ,  H01F1/16

CPC分类号： C21D8/1255 ,  C21D11/00 ,  C21D8/1283

摘要： A process for producing a grain-oriented electrical steel sheet having an excellent magnetic characteristic, comprising the steps of: heating to a temperature lower than 1280.degree. C. a steel slab comprising 0.025 to 0.075 wt % C, 2.5 to 4.5 wt % Si, 0.010 to 0.060 wt % acid-soluble Al, 0.0030 to 0.0130 wt % N, 0.014 wt % or less (S+0.405 Se), 0.05 to 0.8 wt % Mn, and the balance consisting of Fe and unavoidable impurities; hot-rolling the thus heated slab to form a hot-rolled strip; cold-rolling the hot-rolled strip to form a cold-rolled strip; decarburization-annealing the cold-rolled strip; applying an annealing separator on the strip; final-annealing the strip; measuring a primary-recrystallized grain size in the stage after completion of a primary recrystallization during the decarburization annealing and before completion of a secondary recrystallization during the final annealing; and controlling in that stage the subsequent grain growth of primary-recrystallized grains by an absorption of nitrogen into the steel strip in accordance with the measured grain size.

摘要翻译： 一种具有优异磁特性的晶粒取向电工钢板的制造方法，包括以下步骤：加热至低于1280℃的钢坯，其包含0.025〜0.075重量％的C，2.5〜4.5重量％的Si， 0.010〜0.060重量％的酸溶性Al，0.0030〜0.0130重量％的N，0.014重量％以下（S + 0.405 Se），0.05〜0.8重量％的Mn，余量由Fe和不可避免的杂质构成。 热轧如此加热的板坯以形成热轧带材; 冷轧热轧钢带以形成冷轧带材; 对冷轧带材进行脱碳退火; 在带上施加退火分离器; 对带进行最终退火; 在脱碳退火期间完成一次再结晶之后的阶段和在最终退火期间二次再结晶完成之前的阶段中测量一次再结晶的晶粒尺寸; 并且在该阶段通过根据测量的晶粒尺寸将氮吸收到钢带中来控制一次再结晶晶粒随后的晶粒生长。

公开(公告)号：US5759293A

公开(公告)日：1998-06-02

申请号：US554531

申请日：1995-11-06

申请人： Nobuyuki Takahashi ,  Yasunari Yoshitomi ,  Tadashi Nakayama ,  Yoshiyuki Ushigami

发明人： Nobuyuki Takahashi ,  Yasunari Yoshitomi ,  Tadashi Nakayama ,  Yoshiyuki Ushigami

IPC分类号： C21D3/04 ,  C21D8/12 ,  H01F1/04

CPC分类号： C21D8/1255 ,  C21D3/04 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1272

摘要： A decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip having good secondary recrystallization and excellent electrical properties is provided by causing a steel strip to possess a micro-structure in which the primary recrystallization grains have an average diameter d of not less than 15 .mu.m and a coefficient of diameter deviation .sigma.* of not more than 0.6.

摘要翻译： 通过使钢带具有其中一次再结晶晶粒具有平均直径+ E的微观结构，提供具有良好的二次再结晶和优异的电特性的用于取向电工钢带的中间材料的脱碳退火钢带 ，ovs d + EE不小于15μm，直径偏差系数σ*不大于0.6。

公开(公告)号：US5186762A

公开(公告)日：1993-02-16

申请号：US770775

申请日：1991-10-04

申请人： Yoshiyuki Ushigami ,  Tadashi Nakayama ,  Nobuyuki Takahashi

发明人： Yoshiyuki Ushigami ,  Tadashi Nakayama ,  Nobuyuki Takahashi

IPC分类号： C21D8/12

CPC分类号： C21D8/1255 ,  C21D8/1272

摘要： A process for producing a grain-oriented electrical steel sheet having a high magnetic flux density, comprising the steps of: heating a steel slab comprising 1.8 to 4.8 wt % Si, 0.012 to 0.050 wt % acid-soluble A1, 0.010 wt % or less N, and the balance consisting of Fe and unavoidable impurities, to a temperature for hot rolling; hot-rolling the heated slab to form a hot-rolled strip; cold-rolling the hot-rolled strip to a final product sheet thickness at a final cold rolling reduction of 80% or more by a single step of cold rolling or by two or more steps of cold rolling with an intermediate annealing step inserted therebetween; primary-recrystallization-annealing the cold-rolled strip; final-annealing the primary-recrystallization-annealed strip so that secondary-recrystallized grains substantially completely grow up in a temperature region of from 1000.degree. to 1100.degree. C. and then purification is effected above 1100.degree. C.; and subjecting the primary-recrystallization-annealed steel strip to a nitriding treatment before a secondary recrystallization occurs during the final annealing.

摘要翻译： 一种具有高磁通密度的方向性电磁钢板的制造方法，其特征在于，包括以下工序：将含有1.8〜4.8重量％的Si，0.012〜0.050重量％的酸溶性Al，0.010重量％以下的钢坯 N，余量由Fe和不可避免的杂质构成，成为热轧温度; 热轧板坯以形成热轧带材; 通过冷轧的一个步骤或冷轧两个或更多个步骤，在其间插入中间退火步骤，将热轧带材冷轧至最终产品板厚度，最终冷轧压下率为80％以上; 一次再结晶退火冷轧带材; 对一次再结晶退火的带材进行最终退火，使得二次再结晶晶粒在1000℃至1100℃的温度范围内基本上完全生长，然后在1100℃以上进行纯化。 并且在最终退火期间发生二次再结晶之前对一次再结晶退火的钢带进行氮化处理。

公开(公告)号：US4997493A

公开(公告)日：1991-03-05

申请号：US276856

申请日：1988-11-28

申请人： Yoshiyuki Ushigami ,  Yozo Suga ,  Tadashi Nakayama ,  Nobuyuki Takahashi

发明人： Yoshiyuki Ushigami ,  Yozo Suga ,  Tadashi Nakayama ,  Nobuyuki Takahashi

IPC分类号： C21D8/12

CPC分类号： C21D8/1233 ,  C21D8/1255 ,  C21D8/1272

摘要： In the conventional process for the production of a double-oriented electrical steel sheet, the preparation steps are complicated and the manufacturing cost is very high. Nevertheless, the magnetization characteristic B.sub.10 is lower than 1.85 Tesla and the final sheet thickness cannot be reduced below 0.30 mm. According to the present invention, by strictly controlling the secondary recrystallization temperature and performing a third cold rolling in the same direction as the rolling direction of the first cold rolling, the magnetization characteristic B.sub.10 can be increased above 1.88 Tesla and the final sheet thickness can be reduced to 0.20 mm. Moreover, a double-oriented electrical steel sheet having an excellent shape (flatness) and a much smaller thickness deviation in the longitudinal direction of the product can be produced on an industrial scale. Therefore, this product can be effectively used as a core material of a large-size rotary machine or in a small-size static magneto-electronic device.

公开(公告)号：US5415703A

公开(公告)日：1995-05-16

申请号：US022412

申请日：1993-02-16

申请人： Yoshiyuki Ushigami ,  Norito Abe ,  Sadami Kousaka ,  Tadao Nozawa ,  Osamu Honjo ,  Tadashi Nakayama

发明人： Yoshiyuki Ushigami ,  Norito Abe ,  Sadami Kousaka ,  Tadao Nozawa ,  Osamu Honjo ,  Tadashi Nakayama

IPC分类号： C21D8/12 ,  H01F1/147

CPC分类号： H01F1/14775 ,  C21D8/1233 ,  C21D8/1244

摘要： A very thin electrical steel strip having a thickness not exceeding 150 microns, an average grain diameter not exceeding 1.0 mm, a high degree of {110} grain orientation, a high normalized magnetic flux density as expressed by a B.sub.8 /B.sub.s value which is greater than 0.9, and a low core loss not exceeding 50% of the core loss of any conventional product.It is produced from a starting material consisting of a grain-oriented electrical steel strip containing not more than 8% silicon, the balance thereof substantially being iron, and having a high degree of {110} grain orientation, a normalized magnetic flux density as expressed by a B.sub.8 /B.sub.s value which is greater than 0.9, an average grain diameter of at least 20 mm in the rolling direction and an average grain diameter of at least 40 mm in the direction perpendicular to the rolling direction. The material is cold rolled with a reduction of 60 to 80% to a final thickness not exceeding 150 microns, and the cold rolled material is annealed for primary recrystallization. The use of a starting material further containing 0.005 to 0.30% of one or both of tin and antimony yields a product of still improved properties.

摘要翻译： 厚度不超过150微米，平均粒径不超过1.0毫米，{110} <001>晶粒取向高度的非常薄的电工钢带，由B8 / Bs值表示的高归一化磁通密度 其大于0.9，并且低铁损不超过任何常规产品的铁损的50％。 由含有不超过8％硅的晶粒取向电工钢板，其余基本上为铁，并具有高度{110} <001>晶粒取向的起始材料制成，归一化磁通量 由B8 / Bs值大于0.9表示，在轧制方向的平均粒径至少为20mm，平均粒径在与轧制方向垂直的方向上至少为40mm。 将材料冷轧至60-80％，最终厚度不超过150微米，冷轧材料进行一次再结晶退火。 使用进一步含有0.005〜0.30％的锡和锑中的一种或两种的起始材料得到仍具有改进性能的产品。

公开(公告)号：US5215603A

公开(公告)日：1993-06-01

申请号：US734294

申请日：1991-07-17

申请人： Tadashi Nakayama ,  Yasunari Yoshitomi

发明人： Tadashi Nakayama ,  Yasunari Yoshitomi

IPC分类号： C21D3/04 ,  C21D8/12 ,  C21D11/00

CPC分类号： C21D8/12 ,  C21D11/00 ,  C21D3/04 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1272

摘要： A method of primary recrystallization annealing grain-oriented electrical steel strip comprises the steps of conducting online measurement of the primary recrystallization grain diameter of the steel after primary recrystallization annealing and, based on the result of this measurement, controlling the primary recrystallization grain diameter of the steel after primary recrystallization annealing by varying either or both of the annealing temperature and the pass velocity during the primary recrystallization annealing. The method enables stable production of grain-oriented electrical steel strip exhibiting good secondary recrystallization and excellent electrical properties.

摘要翻译： 一次再结晶退火晶粒取向电工钢带的方法包括以下步骤：对一次再结晶退火后钢的一次再结晶晶粒直径进行在线测量，根据该测量结果，控制一次再结晶晶粒直径 通过改变一次再结晶退火期间的退火温度和通过速度中的一个或两个，进行一次再结晶退火后的钢。 该方法能够稳定地生产显示良好的二次再结晶和优异的电性能的晶粒取向电工钢带。

公开(公告)号：US5782998A

公开(公告)日：1998-07-21

申请号：US175430

申请日：1994-01-07

申请人： Yoshiyuki Ushigami ,  Takeo Nagashima ,  Shuichi Yamazaki ,  Hiroyasu Fujii ,  Yozo Suga ,  Tadashi Nakayama ,  Katsuro Kuroki ,  Yosuke Kurosaki

发明人： Yoshiyuki Ushigami ,  Takeo Nagashima ,  Shuichi Yamazaki ,  Hiroyasu Fujii ,  Yozo Suga ,  Tadashi Nakayama ,  Katsuro Kuroki ,  Yosuke Kurosaki

IPC分类号： C21D1/72 ,  C21D8/12

CPC分类号： C21D8/1255 ,  C21D8/1277 ,  C21D8/1283 ,  C21D1/72 ,  C21D8/1272 ,  C21D8/1288 ,  C21D8/1294

摘要： In order to provide a very low iron loss, it is necessary to render the surface of a steel sheet smooth (specular). In the present invention, this is effected in a finish annealing furnace to simultaneously attain a high magnetic flux density and a specular surface. Specifically, after the completion of decarburization annealing, a steel material is pickled to remove an oxide layer present on the surface of the steel sheet, coated with an annealing separator comprising a substance nonreactive or less reactive with SiO.sub.2 and then subjected to finish annealing to provide a grain oriented electrical steel sheet having a specular surface. Magnetic domain division and tension coating of the steel sheet can provide a low iron loss value. In the finish annealing, since no time is required for dehydration, the annealing time can be shortened.

摘要翻译： PCT No.PCT / JP93 / 00136 Sec。 371日期1994年1月7日 102（e）日期1994年1月7日PCT提交1993年2月4日PCT公布。 公开号WO93 / 23577 日期1993年11月25日为了提供非常低的铁损，必须使钢板的表面光滑（镜面）。 在本发明中，这是在最终退火炉中实现的，以同时获得高的磁通密度和镜面。 具体地说，在脱碳退火结束后，将钢材酸洗以除去存在于钢板表面上的氧化物层，涂覆有退火分离体，该退火分离剂包含与SiO 2反应性较差或反应性低的物质，然后进行最终退火，以提供 具有镜面的晶粒取向电工钢板。 钢板的磁畴分割和张力涂层可以提供低铁损值。 在最终退火中，由于脱水不需要时间，可以缩短退火时间。

公开(公告)号：US20050158015A1

公开(公告)日：2005-07-21

申请号：US11036371

申请日：2005-01-18

申请人： Tadashi Nakayama ,  Keita Kimura

发明人： Tadashi Nakayama ,  Keita Kimura

IPC分类号： G11B27/034 ,  G11B27/32 ,  G11B27/34 ,  H04N5/765 ,  H04N5/77 ,  H04N5/907 ,  H04N9/74 ,  H04N9/804 ,  H04N9/806 ,  H04N9/82

CPC分类号： G11B27/034 ,  G11B27/329 ,  G11B27/34 ,  H04N5/765 ,  H04N5/772 ,  H04N5/907 ,  H04N9/8042 ,  H04N9/8063 ,  H04N9/8205 ,  H04N9/8227

摘要： A personal computer to which electronic equipment, such as, an electronic camera is connected reads recording units that are recorded in the electronic camera and displays a table consisting of recording information. In recording information such as a main image, a sub image and sound in the electronic camera, data within the electronic camera are inter-related by an index which indicates that the information is part of a common recording unit. The date having the same index are output and displayed in a same thumbnail area. When a recording unit for deletion is designated from the table, check boxes are displayed according to information contained in the recording unit. For example, an “x” is displayed in the check box of the information to be deleted, indicating that the information is a target of deletion. After the selection of information is completed and an “OK” button is pressed, the personal computer sends a control command to the electronic camera and deletes the designated information. Rather than deletion, the designated information can be read from the electronic camera into the personal computer.

摘要翻译： 电子设备如电子照相机连接的个人计算机读取记录在电子照相机中的记录单元，并显示由记录信息组成的表格。 在电子照相机中记录诸如主图像，副图像和声音的信息中，电子照相机内的数据通过指示该信息是公共记录单元的一部分的索引相互关联。 具有相同索引的日期被输出并显示在相同的缩略图区域中。 当从表中指定用于删除的记录单元时，根据包含在记录单元中的信息来显示复选框。 例如，在要删除的信息的复选框中显示“x”，表示该信息是删除的目标。 在完成信息选择并按下“OK”按钮之后，个人计算机向电子照相机发送控制命令并删除指定的信息。 而不是删除，可以将指定的信息从电子照相机读取到个人计算机中。

公开(公告)号：US4808642A

公开(公告)日：1989-02-28

申请号：US856683

申请日：1986-04-25

申请人： Hideki Kitada ,  Masami Takahashi ,  Toshiyuki Yagi ,  Masaaki Sukeda ,  Tadashi Nakayama

发明人： Hideki Kitada ,  Masami Takahashi ,  Toshiyuki Yagi ,  Masaaki Sukeda ,  Tadashi Nakayama

IPC分类号： C08K5/1515 ,  C08K5/17 ,  C08L27/06 ,  C08L33/06 ,  C08L51/00 ,  C08K5/00 ,  C09D3/76

CPC分类号： C08K5/1515 ,  C08K5/175 ,  C08L27/06 ,  C08L33/06 ,  C08L51/00

摘要： This invention relates to a chlorine-containing resin molding characterized by its stabilization by aminocarboxylic acid and from which molding substantially no metallic ion is detected, and to material for use with the chlorine-containing resin molding consisting of 100 parts by weight of chlorine-containing resin and 0.5-5.0 parts by weight of aminocarbolyxic acid. According to the molding and the material for use therewith, there is no possibility of metallic ion dissolving from the molding in which a metallic stabilizer is conventionally used, with the result that the molding finds wide application in the industrial field related with electric parts including a semiconductor as a main item, medical treatment, chemicals and pharmaceuticals, and food stuffs, all subject to adverse effects by dissolution of metallic ion. Consideration for application of a nonmetallic agent is also given to the use of a coloring agent and a lubricant with respect to the molding and the material for use therewith.

摘要翻译： 本发明涉及一种含氯树脂成型体，其特征在于其通过氨基羧酸的稳定化，并且从其中检测到基本上不含金属离子的成型体，以及与含氯树脂成型体一起使用的材料，其包含100重量份的含氯 树脂和0.5-5.0重量份氨基二羧酸。 根据成型体和与其一起使用的材料，通常使用金属稳定剂的成型体不会发生金属离子溶解，结果是在涉及电气部件的工业领域中广泛应用 半导体作为主要项目，医疗，化学药品和食品，都受到金属离子溶解的不利影响。 对于应用非金属剂的考虑也用于使用着色剂和润滑剂相对于模制品和与其一起使用的材料。

公开(公告)号：US4623407A

公开(公告)日：1986-11-18

申请号：US534293

申请日：1983-09-21

申请人： Yozo Suga ,  Toyohiko Konno ,  Tadashi Nakayama

发明人： Yozo Suga ,  Toyohiko Konno ,  Tadashi Nakayama

IPC分类号： C22C38/00 ,  C21D8/12 ,  C22C38/02 ,  C22C38/06 ,  H01F1/16 ,  H01F1/04

CPC分类号： C21D8/1205 ,  C22C38/02 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1294

摘要： The present invention relates to a method for producing a grain-oriented electrical steel sheet.A feature of the present invention is to set S.ltoreq.0.007%, Mn=0.08.about.0.45%, P=0.015.about.0.45% in a slab. The present inventive idea does away with the conventional concept of using MnS as an inhibitor. The present invention present incomplete secondary recrystallization by the S content, which is decreased to a level as low as possible. In addition, a product having a high magnetic flux density can be successfully produced by adding appropriate amounts of Mn and P. Due to these advantages, a high Si content of a slab, which leads to a watt loss reduction, can also be employed in the present invention. In addition according to the present invention, the temperature of slab heating, which is carried out prior to hot rolling, can be drastically decreased as compared with the prior art. Thus, an outstanding cost reduction can be realized due to the decrease in heat energy and complete prevention of the slag formation.

摘要翻译： 本发明涉及一种晶粒取向电工钢板的制造方法。 本发明的一个特征是在板坯中设定S