公开(公告)号：US09512500B2

公开(公告)日：2016-12-06

申请号：US14129334

申请日：2012-08-16

申请人： Masahiro Fujikura ,  Yoshiyuki Ushigami ,  Tesshu Murakawa ,  Shinichi Kanao ,  Makoto Atake ,  Takeru Ichie ,  Kojiro Hori ,  Shinichi Matsui

发明人： Masahiro Fujikura ,  Yoshiyuki Ushigami ,  Tesshu Murakawa ,  Shinichi Kanao ,  Makoto Atake ,  Takeru Ichie ,  Kojiro Hori ,  Shinichi Matsui

IPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14 ,  C21D8/12 ,  H01F1/16 ,  B32B15/00 ,  C21D8/00 ,  C22C38/12 ,  B32B15/01 ,  C21D9/46 ,  H01F3/08

CPC分类号： C21D8/005 ,  B32B15/011 ,  C21D8/12 ,  C21D8/1244 ,  C21D8/1272 ,  C21D9/46 ,  C21D2201/05 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  H01F1/16 ,  H01F3/08 ,  Y10T428/12965

摘要： When contents of Ti, V, Zr, Nb, and C (mass %) are represented as [Ti], [V], [Zr], [Nb], and [C] respectively, a value of a parameter Q represented by “Q=([Ti]/48+[V]/51+[Zr]/91+[Nb]/93)/([C]/12)” is not less than 0.9 nor more than 1.1. A matrix of a metal structure is a ferrite phase, and the metal structure does not include a non-recrystallized structure. An average grain size of ferrite grains constituting the ferrite phase is not less than 10 μm nor more than 200 μm. A precipitate containing at least one selected from the group consisting of Ti, V, Zr, and Nb exists with a density of 10 μm−3 or more in the ferrite grain. An average grain size of the precipitate is not less than 0.002 μm nor more than 0.2 μm.

摘要翻译： 当Ti，V，Zr，Nb和C（质量％）的含量分别表示为[Ti]，[V]，[Zr]，[Nb]和[C]时，由 “Q =（[Ti] / 48 + [V] / 51 + [Zr] / 91 + [Nb] / 93）/（[C] / 12）”不小于0.9也不大于1.1。 金属结构的基体是铁素体相，金属结构不包含未再结晶的结构。 构成铁素体相的铁素体晶粒的平均粒径为10μm以上200μm以下。 含有选自Ti，V，Zr和Nb中的至少一种的析出物在铁素体晶粒中的密度为10μm-3以上。 沉淀物的平均粒径不小于0.002μm，不大于0.2μm。

公开(公告)号：US08790471B2

公开(公告)日：2014-07-29

申请号：US13812229

申请日：2010-07-28

申请人： Tatsuhiko Sakai ,  Koji Hirano ,  Satoshi Arai ,  Yoshiyuki Ushigami

发明人： Tatsuhiko Sakai ,  Koji Hirano ,  Satoshi Arai ,  Yoshiyuki Ushigami

IPC分类号： H01F1/00 ,  C21D1/00 ,  C21D8/02

CPC分类号： H01F1/14775 ,  C21D8/0205 ,  C21D8/0278 ,  C21D8/12 ,  C21D8/1233 ,  C21D8/1277 ,  C21D9/46 ,  C21D10/00 ,  C21D2201/05 ,  C22C38/34 ,  H01F1/01 ,  H01F1/16

摘要： A silicon steel sheet (1) containing Si is cold-rolled. Next, a decarburization annealing (3) of the silicon steel sheet (1) is performed so as to cause a primary recrystallization. Next, the silicon steel sheet (1) is coiled so as to obtain a steel sheet coil (31). Next, an annealing (6) of the steel sheet coil (31) is performed through batch processing so as to cause a secondary recrystallization. Next, the steel sheet coil (31) is uncoiled and flattened. Between the cold-rolling and the obtaining the steel sheet coil (31), a laser beam is irradiated a plurality of times at predetermined intervals on a surface of the silicon steel sheet (1) from one end to the other end of the silicon steel sheet (1) along a sheet width direction (2). When the secondary recrystallization is caused, grain boundaries passing from a front surface to a rear surface of the silicon steel sheet (1) along paths of the laser beams are generated.

摘要翻译： 含有Si的硅钢板（1）被冷轧。 接着，进行硅钢板（1）的脱碳退火（3），进行一次再结晶。 接下来，将硅钢板（1）卷绕成钢板卷（31）。 接着，通过分批处理进行钢板卷材31的退火（6），进行二次再结晶。 接下来，钢板卷（31）开卷并变平。 在冷轧与获得钢板卷（31）之间，在硅钢板（1）的表面上以规定间隔多次照射激光，从硅钢的一端到另一端 片材（1）沿着片材宽度方向（2）。 当发生二次再结晶时，产生沿着激光束的路径从硅钢板（1）的前表面延伸到后表面的晶界。

公开(公告)号：US08366836B2

公开(公告)日：2013-02-05

申请号：US13381294

申请日：2010-07-13

申请人： Yoshiyuki Ushigami ,  Norikazu Fujii

发明人： Yoshiyuki Ushigami ,  Norikazu Fujii

IPC分类号： H01F1/147

CPC分类号： C23C8/26 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1255 ,  C21D8/1261 ,  C21D8/1283 ,  C21D2201/05 ,  C21D2211/004 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/60 ,  H01F1/16

摘要： A silicon steel material is heated in a predetermined temperature range according to contents of B, N, Mn, S, and Se (step S1), and is subjected to hot rolling (step S2). Further, a finish temperature Tf of finish rolling in the hot rolling is performed in a predetermined temperature range according to the content of B. Through these treatments, a certain amount of BN is made to precipitate compositely on MnS and/or MnSe.

摘要翻译： 根据B，N，Mn，S和Se的含量，在规定的温度范围内加热硅钢材料（步骤S1），进行热轧（步骤S2）。 此外，根据B的含量，在规定的温度范围内进行热轧精轧的精加工温度Tf。通过这些处理，使一定量的BN复合地析出在MnS和/或MnSe上。

公开(公告)号：US20120312423A1

公开(公告)日：2012-12-13

申请号：US13579684

申请日：2011-02-18

申请人： Kenichi Murakami ,  Yoshiyuki Ushigami

发明人： Kenichi Murakami ,  Yoshiyuki Ushigami

IPC分类号： C23C8/80 ,  C23C8/02

CPC分类号： C21D9/46 ,  C21D3/04 ,  C21D8/12 ,  C21D8/1255 ,  C21D8/1272 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14 ,  C22C38/16 ,  C22C38/34 ,  C23C8/02 ,  C23C8/80 ,  H01F1/16

摘要： Hot rolling is performed on a steel with a predetermined composition containing Ti: 0.0020 mass % to 0.010 mass % and/or Cu: 0.010 mass % to 0.50 mass % to obtain a hot-rolled steel sheet. Annealing is performed on the hot-rolled steel sheet to obtain an annealed steel sheet. Cold rolling is performed on the annealed steel sheet to obtain a cold-rolled steel sheet. Decarburization annealing is performed on the cold-rolled steel sheet at a temperature of 800° C. to 950° C. to obtain a decarburization annealed steel sheet. Then, nitridation treatment is performed on the decarburization annealed steel sheet at 700° C. to 850° C. to obtain a nitrided steel sheet. Finish annealing is performed on the nitrided steel sheet.

摘要翻译： 对含有Ti：0.0020质量％至0.010质量％和/或Cu：0.010质量％至0.50质量％的预定组成的钢进行热轧，得到热轧钢板。 在热轧钢板上进行退火，得到退火钢板。 在退火钢板上进行冷轧，得到冷轧钢板。 在800〜950℃的温度下对冷轧钢板进行脱碳退火，得到脱碳退火钢板。 然后，在脱碳退火钢板上，在700℃〜850℃进行氮化处理，得到氮化钢板。 在氮化钢板上进行完成退火。

公开(公告)号：US20110155285A1

公开(公告)日：2011-06-30

申请号：US13060647

申请日：2009-09-08

申请人： Tomoji Kumano ,  Yoshiyuki Ushigami ,  Shuichi Nakamura ,  Yohichi Zaizen

发明人： Tomoji Kumano ,  Yoshiyuki Ushigami ,  Shuichi Nakamura ,  Yohichi Zaizen

IPC分类号： C23C8/26 ,  C23C8/02 ,  C23C8/80

CPC分类号： H01F1/16 ,  C21D6/008 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1272 ,  C21D8/1283 ,  C22C38/001 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14 ,  C23C8/24 ,  C23C8/26 ,  C23C8/80 ,  F27B9/28 ,  F27B9/30

摘要： A slab with a predetermined composition is heated at 1280° C. to 1390° C. to make a substance functioning as an inhibitor to be solid-solved (step S1). Next, the slab is hot-rolled to obtain a steel strip (step S2). The steel strip is annealed to form a primary inhibitor in the steel strip (step S3). Next, the steel strip is cold-rolled once or more (step S4). Next, the steel strip is annealed to perform decarburization and to cause primary recrystallization (step S5). Next, nitriding treatment is performed on the steel strip in a mixed gas of hydrogen, nitrogen and ammonia under a state where the steel strip runs, to form a secondary inhibitor in the steel strip (step S6). Next, the steel strip is annealed to induce secondary recrystallization (step S7).

摘要翻译： 将具有预定组成的板坯在1280℃加热至1390℃，以使作为固溶体的抑制剂起作用的物质（步骤S1）。 接下来，对板坯进行热轧以获得钢带（步骤S2）。 钢带退火以在钢带中形成初级抑制剂（步骤S3）。 接下来，将钢带冷轧一次以上（步骤S4）。 接着，退火钢带进行脱碳，进行一次再结晶（步骤S5）。 接下来，在钢带运行的状态下，在氢气，氮气和氨的混合气体中对钢带进行氮化处理，在钢带中形成二次抑制剂（步骤S6）。 接着，对钢带进行退火以引起二次再结晶（步骤S7）。

公开(公告)号：US20090173413A1

公开(公告)日：2009-07-09

申请号：US12227382

申请日：2007-05-07

申请人： Yoshiyuki Ushigami ,  Norikazu Fujii ,  Kenichi Murakami ,  Nobusato Morishige

发明人： Yoshiyuki Ushigami ,  Norikazu Fujii ,  Kenichi Murakami ,  Nobusato Morishige

IPC分类号： C22C38/02 ,  C22C38/34

CPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/60 ,  H01F1/14775 ,  H01F1/16

摘要： Grain-oriented electrical steel sheet superior in core loss characteristic containing Si: 0.8 to 7 mass % and having a secondary recrystallized texture with a {110} orientation as the main orientation, characterized in that average deviation angles α, β, and γ from the {110} ideal orientation of the secondary recrystallized texture satisfy (α2+β2)1/2≦γ, where α: average deviation angle from {110} ideal orientation around rolling surface normal direction (ND) of secondary recrystallized texture, β: average deviation angle from {110} ideal orientation around traverse direction (TD) of secondary recrystallized texture, and γ: average deviation angle from {110} ideal orientation around rolling direction (RD) of secondary recrystallized texture.

摘要翻译： 含有Si的磁芯损耗特性优异的晶粒取向电工钢：0.8〜7质量％，具有{110} <001>取向的二次再结晶织构作为主要取向，其特征在于，平均偏差角α，β， 来自二次再结晶织构的{110} <001>理想取向的γ满足（α2+β2）1/2 <=γ，其中α：围绕滚动面法线方向的{110} <001>理想取向的平均偏离角 二次再结晶织构的β：与二次再结晶组织的横向方向（TD）周围的{110} <001>理想取向的平均偏离角以及γ：来自{110} <001>围绕轧制方向的理想取向的平均偏离角 （RD）二次再结晶织构。

公开(公告)号：US20050217761A1

公开(公告)日：2005-10-06

申请号：US10500994

申请日：2003-01-07

申请人： Yoshiyuki Ushigami ,  Shuichi Nakamura ,  Hiroyasu Fujii ,  Kenichi Murakami

发明人： Yoshiyuki Ushigami ,  Shuichi Nakamura ,  Hiroyasu Fujii ,  Kenichi Murakami

IPC分类号： C21D9/46 ,  C21D1/70 ,  C21D1/76 ,  C21D8/12 ,  H01F1/16 ,  H01F1/04

CPC分类号： C21D8/1272 ,  C21D1/76 ,  C21D8/1255 ,  C21D8/1283

摘要： In a method for manufacturing grain-oriented silicon steel with mirror-like surface by applying an aqueous slurry of an annealing separator, magnetic properties are stabilized by controlling the amount of moisture, carried in the annealing separator consisting mainly of alumina after application and drying thereof, to not more than 1.5%, controlling the partial water vapor pressure during finish-annealing and eliminating the variation (instability) in secondary recrystallization caused by the inhibitor reaction at the interface.

摘要翻译： 在通过应用退火分离剂的水性浆料制造具有镜面状的晶粒取向硅钢的方法中，通过控制施加和干燥之后主要由氧化铝组成的退火隔离物中所含的水分的量而使磁性能稳定 ，不超过1.5％，控制最终退火时的部分水蒸汽压力，消除由界面处的抑制剂反应引起的二次再结晶的变化（不稳定性）。

公开(公告)号：US06713187B2

公开(公告)日：2004-03-30

申请号：US10312643

申请日：2002-12-23

申请人： Genichi Shigesato ,  Hiroyasu Fujii ,  Kenichi Murakami ,  Yoshiyuki Ushigami ,  Shuichi Nakamura ,  Masaaki Sugiyama

发明人： Genichi Shigesato ,  Hiroyasu Fujii ,  Kenichi Murakami ,  Yoshiyuki Ushigami ,  Shuichi Nakamura ,  Masaaki Sugiyama

IPC分类号： B32B1504

CPC分类号： C21D8/1272 ,  C21D8/1283 ,  C21D8/1288 ,  C23C8/02 ,  C23C8/10 ,  C23C8/80 ,  C23C28/04 ,  C23C28/048 ,  C23C30/00 ,  H01F1/14783 ,  Y10T428/249953

摘要： The present invention provides a grain-oriented silicon steel sheet excellent in adhesiveness to tension-creating insulating coating films formed on the grain-oriented silicon steel sheet produced by removing inorganic mineral films composed of forsterite and so on with pickling or the like or by deliberately preventing the formation thereof, characterized by: having, at the interface between each of the tension-creating insulating coating films and the steel sheet, an external oxidation type membranous oxide film of 2 to 500 nm in average thickness mainly composed of amorphous silica and/or a mixed oxide film consisting of an external oxidation type membranous oxide film of 2 to 500 nm in average thickness mainly composed of amorphous silica and particulate oxides mainly composed of amorphous silica: and satisfying any one or more of the specified requirements.

摘要翻译： 本发明提供一种在通过用酸洗等除去由镁橄榄石等构成的无机矿物膜或通过有意地除去形成在晶粒取向硅钢板上形成的对产生张力的绝缘涂膜而具有优异粘合性的晶粒取向硅钢板 防止其形成，其特征在于，在每个产生张力的绝缘涂膜和钢板之间的界面处，具有主要由无定形二氧化硅和/或非晶形二氧化硅构成的平均厚度为2〜500nm的外部氧化型膜氧化膜， 或由主要由无定形二氧化硅构成的平均厚度为2〜500nm的外部氧化型膜氧化膜和主要由无定形二氧化硅构成的颗粒状氧化物构成的混合氧化膜，并满足规定的一个或多个要求。

公开(公告)号：US5888314A

公开(公告)日：1999-03-30

申请号：US185298

申请日：1994-01-21

申请人： Yoshiyuki Ushigami ,  Fumio Kurosawa ,  Hajime Komatsu

发明人： Yoshiyuki Ushigami ,  Fumio Kurosawa ,  Hajime Komatsu

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

CPC分类号： C21D8/1272 ,  C21D8/1244 ,  C21D8/1255 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1261

摘要： In a process for the preparation of oriented electrical steel sheet having a high magnetic flux density a primary recrystallization annealed steel sheet is nitrided for a short period of time in a temperature range of 800.degree. C. or less whereby growth of crystal grains does not substantially occur. The nitrided sheet is held at a temperature range of 700.degree. C. to 800.degree. C. for at least four hours during temperature raising to final annealing temperature whereby nitride formed by the nitriding dissolves and re-precipitates allowing the nitride to transform to a thermally stable nitride containing aluminium.

摘要翻译： 在制备具有高磁通密度的取向电工钢板的方法中，将一次再结晶退火钢板在800℃以下的温度范围内短时间氮化，由此晶粒的生长基本上不 发生。 氮化片在升温至最终退火温度的过程中，在700〜800℃的温度范围内保持至少4小时，由氮化物形成的氮化物溶解并重新沉淀，使氮化物转化为热 含铝的稳定氮化物。

公开(公告)号：US5370748A

公开(公告)日：1994-12-06

申请号：US974354

申请日：1992-11-10

申请人： Yozo Suga ,  Yoshiyuki Ushigami

发明人： Yozo Suga ,  Yoshiyuki Ushigami

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

CPC分类号： C21D8/1233 ,  C21D8/1272

摘要： The present invention is a process for manufacturing a double oriented electrical steel sheet having a high magnetic flux density by carrying out a low temperature annealing for the secondary recrystallization by the use of AlN as inhibitor, characterized by hot-rolling a silicon steel slab comprising 1.8-4.8% by weight of Si, 0.008-0.048% by weight of acid soluble Al, 0.0028-0.0100% by weight of acid soluble Al, 0.0028-0.0100% by weight of total N, not more than 0.016% by weight of S and the balance being Fe and unavoidable impurities into a hot-rolled sheet, subjecting the sheet to cold-rolling at a reduction rate of 40-80%, subsequently subjecting the sheet to another cold-rolling at a reduction rate of 30-70% in the direction crossing the cold-rolled direction, annealing at 750.degree.-950.degree. C. in a wet hydrogen atmosphere for decarburization, and carrying out the final finishing annealing which comprises a stage for completing the secondary recrystallizing at a temperature of 920.degree.-1100.degree. C., followed by a stage for purification.

摘要翻译： 本发明是一种通过使用AlN作为抑制剂进行二次再结晶的低温退火来制造具有高磁通密度的双重取向电工钢板的方法，其特征在于，热轧含有1.8 -4.8重量％的Si，0.008-0.048重量％的酸溶性Al，0.0028-0.0100重量％的酸溶性Al，0.0028-0.0100重量％的总N，不大于0.016重量％的S和 余量为Fe和不可避免的杂质进入热轧板中，以40-80％的还原率对板进行冷轧，随后将片材以30-70％的还原率进行另一次冷轧 与冷轧方向交叉的方向，在湿氢气氛中在750-950℃退火脱碳，进行最终精加工退火，其包括在920℃的温度下完成二次再结晶的阶段 EG-1100℃，然后进行纯化。