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11. 发明授权

US08052811B2 Method of producing non-oriented electrical steel sheet excellent in magnetic properties 有权
标题翻译：制造磁性能优异的无方向性电磁钢板的方法
公开(公告)号：US08052811B2
公开(公告)日：2011-11-08
申请号：US12311726
申请日：2007-10-01
申请人： Yousuke Kurosaki , Takeshi Kubota , Masafumi Miyazaki
发明人： Yousuke Kurosaki , Takeshi Kubota , Masafumi Miyazaki
IPC分类号： C21D8/04 , H01F1/00
CPC分类号： B22D11/001 , B22D11/06 , B22D11/0697 , C21D8/1211 , C21D8/1272 , C21D8/1283 , C21D2211/005 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06
摘要： A rapidly-solidified non-oriented electrical steel sheet having high magnetic flux density and low core loss is provided.The method of producing the non-oriented electrical steel sheet excellent in magnetic properties comprises casting a steel strip by using a traveling cooling roll surface(s) to solidify a steel melt of a prescribed chemical composition, which melt contains one or both of REM and Ca at a total content of 0.0020 to 0.01% and is cast in an atmosphere of Ar, He or a mixture thereof.
摘要翻译：提供了具有高磁通密度和低磁芯损耗的快速凝固的无取向电工钢板。制造磁特性优异的无方向性电磁钢板的方法包括使用行驶冷却辊表面铸造钢带，使固化含有规定化学成分的钢熔体，熔融体含有REM和 Ca总量为0.0020至0.01％，并在Ar，He或其混合物的气氛中铸造。

12. 发明授权

US07470333B2 Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof 有权
标题翻译：磁芯损耗优异的无方向性电磁钢板及其制造方法
公开(公告)号：US07470333B2
公开(公告)日：2008-12-30
申请号：US10556148
申请日：2004-04-28
申请人： Wataru Ohashi , Akihito Kiyose , Masafumi Miyazaki , Takeshi Kubota , Yousuke Kurosaki , Yoshihiro Arita , Ken-ichiro Miyamoto , Takashi Sawai
发明人： Wataru Ohashi , Akihito Kiyose , Masafumi Miyazaki , Takeshi Kubota , Yousuke Kurosaki , Yoshihiro Arita , Ken-ichiro Miyamoto , Takashi Sawai
IPC分类号： H01F1/147
CPC分类号： C21D8/1205 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/18 , H01F1/14775 , H02K1/02
摘要： A non-oriented electrical steel sheet is characterized in that the number density of inclusions with an equivalent volume diameter of less than 100 nm contained in the steel sheet is 1×1010 [/mm3] or less, and that the steel sheet contains, by mass %, C: up to 0.01%, Si: 0.1% to 7.0%. Al: 0.1% to 3.0%. Mn: 0.1% to 2.0%, REM: 0.0003% to 0.05%. Ti: up to 0.02%. S: up to 0.005%. and N: up to 0.005%. the balance Fe and inevitable impurities and the mass % of Al represented by [Al] and the mass % of Ti represented by [Ti] satisfy the equation log([Ti]×[N])−1.19×log([Al]×[N])+1.84>0 . . . (1).
摘要翻译：无取向电工钢板的特征在于，钢板中所含的等体积直径小于100nm的夹杂物的数密度为1×10 10 [/ mm 3]以下，钢板以质量％计，，C：0.01％以下，Si：0.1〜7.0％。 Al：0.1〜3.0％。 Mn：0.1〜2.0％，REM：0.0003〜0.05％。 Ti：最高0.02％。 S：高达0.005％。和N：高达0.005％。由[Al]表示的Fe和不可避免的杂质和Al的质量％以及由[Ti]表示的Ti的质量％满足等式log（[Ti] x [N]） - 1.19xlog（[Al] x [ N]）+ 1.84> 0。。。（1）。

13. 发明申请

US20080271819A1 Ultra-high magnetic flux density grain-oriented electrical steel sheet excellent in iron loss at a high magnetic flux density and film properties and method for producing the same 有权
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).

14. 发明申请

US20120014828A1 NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF 有权
标题翻译：非指定电工钢板及其制造方法
公开(公告)号：US20120014828A1
公开(公告)日：2012-01-19
申请号：US13258688
申请日：2010-05-25
申请人： Masafumi Miyazaki , Hideaki Yamamura , Takeshi Kubota , Yousuke Kurosaki , Kazuto Kawakami , Kazumi Mizukami , Takeaki Wakisaki
发明人： Masafumi Miyazaki , Hideaki Yamamura , Takeshi Kubota , Yousuke Kurosaki , Kazuto Kawakami , Kazumi Mizukami , Takeaki Wakisaki
IPC分类号： C22C38/02 , C22C38/14 , C22C38/04 , C22C38/34 , C22C38/38 , B22D27/00 , C22C38/00 , C22C38/60 , C22C38/08 , C22C38/16 , C22B9/00 , C22C38/06 , C22C38/28
CPC分类号： H01F1/14775 , B22D11/00 , B22D11/108 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/005 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/14 , C22C38/16 , C22C38/28 , C22C38/34 , C22C38/38 , C22C38/60 , H01F1/16
摘要： In a non-oriented electrical steel sheet, Si: not less than 1.0 mass % nor more than 3.5 mass %, Al: not less than 0.1 mass % nor more than 3.0 mass %, Ti: not less than 0.001 mass % nor more than 0.01 mass %, Bi: not less than 0.001 mass % nor more than 0.01 mass %, and so on are contained. (1) expression described below is satisfied when a Ti content (mass %) is represented as [Ti] and a Bi content (mass %) is represented as [Bi]. [Ti]≦0.8×[Bi]+0.002 (1)
摘要翻译：在无取向电工钢板中，Si：1.0质量％以上3.5质量％以下，Al：0.1质量％以上3.0质量％以下，Ti：0.001质量％以上，不大于 0.01质量％，Bi：0.001质量％以上0.01质量％以下。（1）当Ti含量（质量％）表示为[Ti]，Bi含量（质量％）表示为[Bi]时，满足下述表达式。 [Ti]＆nlE; 0.8×[Bi] +0.002（1）

15. 发明授权

US07981223B2 Ultra-high magnetic flux density grain-oriented electrical steel sheet excellent in iron loss at a high magnetic flux density and film properties and method for producing the same 有权
标题翻译：在高磁通密度下铁损优异的超高磁通密度晶粒取向电工钢板及其制造方法
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）。

16. 发明授权

US07608154B2 Nonoriented electrical steel sheet excellent in core loss 有权
标题翻译：无方向性电磁钢板芯损耗优异
公开(公告)号：US07608154B2
公开(公告)日：2009-10-27
申请号：US11663095
申请日：2005-09-09
申请人： Wataru O-hashi , Masafumi Miyazaki , Yousuke Kurosaki , Takeshi Kubota
发明人： Wataru O-hashi , Masafumi Miyazaki , Yousuke Kurosaki , Takeshi Kubota
IPC分类号： H01F1/147
CPC分类号： C22C38/005 , C21D8/12 , C22C38/02 , C22C38/04 , C22C38/06
摘要： A nonoriented electrical steel sheet excellent in core loss comprising copper sulfides with a sphere-equivalent radius of 100 nm or less, wherein the number density of the copper sulfides is less than 1×1010 [inclusions/mm3]. Preferably, the percentage of the number of copper sulfides with a (major axis)/(minor axis) ratio of more than 2 per total number of copper sulfides is 30% or less. The steel preferably further comprises Cu of 0.5 mass % or less and REM of 0.0005% or more and 0.03% or less, wherein the following expression (1) or expressions (1) and (2) are met: [REM]×[Cu]3≧7.5×10−11 (1), ([REM]−0.003)0.1×[Cu]2≦1.25×10−4 (2).
摘要翻译：核心损失优异的非取向电工钢板，其包含球半径为100nm以下的硫化铜，其中硫化铜的数量密度小于1×10 10 [夹杂物/ mm 3]。优选地，每个硫化铜总数的（长轴）/（短轴）比大于2的硫化铜的数量的百分比为30％以下。钢优选还含有0.5质量％以下的Cu和0.0005％以上且0.03％以下的REM，其中满足以下表达式（1）或表达式（1）和（2）：[REM] x [Cu ] 3> = 7.5×10-11（1），（[REM] -0.003）0.1x [Cu] 2 <= 1.25×10-4（2）。

17. 发明申请

US20090250145A1 Method of producing non-oriented electrical steel sheet excellent in magnetic properties 有权
标题翻译：制造磁性能优异的无方向性电磁钢板的方法
公开(公告)号：US20090250145A1
公开(公告)日：2009-10-08
申请号：US12311726
申请日：2007-10-01
申请人： Yousuke Kurosaki , Takeshi Kubota , Masafumi Miyazaki
发明人： Yousuke Kurosaki , Takeshi Kubota , Masafumi Miyazaki
IPC分类号： C21D8/02
CPC分类号： B22D11/001 , B22D11/06 , B22D11/0697 , C21D8/1211 , C21D8/1272 , C21D8/1283 , C21D2211/005 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06
摘要： A rapidly-solidified non-oriented electrical steel sheet having high magnetic flux density and low core loss is provided.The method of producing the non-oriented electrical steel sheet excellent in magnetic properties comprises casting a steel strip by using a traveling cooling roll surface(s) to solidify a steel melt of a prescribed chemical composition, which melt contains one or both of REM and Ca at a total content of 0.0020 to 0.01% and is cast in an atmosphere of Ar, He or a mixture thereof.
摘要翻译：提供了具有高磁通密度和低磁芯损耗的快速凝固的无取向电工钢板。制造磁特性优异的无方向性电磁钢板的方法包括使用行驶冷却辊表面铸造钢带，使固化含有规定化学成分的钢熔体，熔融体含有REM和 Ca总量为0.0020至0.01％，并在Ar，He或其混合物的气氛中铸造。

18. 发明申请

US20080112838A1 Non-Oriented Electrical Steel Superior In Core Loss 有权
标题翻译：无磁导电钢优于铁芯损耗
公开(公告)号：US20080112838A1
公开(公告)日：2008-05-15
申请号：US11666844
申请日：2005-09-28
申请人： Masafumi Miyazaki , Wataru Ohashi , Yousuke Kurosaki , Takeshi Kubota , Hiroshi Harada , Tomohiro Konno , Yutaka Matsumoto , Koichi Kirishiki
发明人： Masafumi Miyazaki , Wataru Ohashi , Yousuke Kurosaki , Takeshi Kubota , Hiroshi Harada , Tomohiro Konno , Yutaka Matsumoto , Koichi Kirishiki
IPC分类号： C22C38/18 , C22C38/00 , C22C38/02
CPC分类号： H01F1/14791 , C22C38/02 , C22C38/04 , C22C38/06 , H01F1/16
摘要： Non-oriented electrical steel sheet superior in core loss characterized by containing, by mass %, C: 0.01% or less, Si: 0.1% to 7.0%, Al: 0.1% to 3.0%, Mn: 0.1% to 2.0%, N: 0.005% or less, Ti: 0.02% or less, REM: 0.05% or less, S: 0.005% or less, O: 0.005% or less, and a balance of iron and unavoidable impurities and having a mass % of S shown by [S], a mass % of O shown by [O], a mass % of REM shown by [REM], a mass % of Ti shown by [Ti], and a mass % of N shown by [N] satisfying [Formula 1] and [Formula 2]: [REM]2×[O]2×[S]≧1×10−15[Formula 1] ([REM]2×[O]2×[S])÷([Ti]×[N])≧1×10−10[Formula 2]
摘要翻译：铁损优异的无方向性电工钢板，其特征在于以质量％计含有C：0.01％以下，Si：0.1〜7.0％，Al：0.1〜3.0％，Mn：0.1〜2.0％，N ：0.005％以下，Ti：0.02％以下，REM：0.05％以下，S：0.005％以下，O：0.005％以下，余量为铁和不可避免的杂质，S为质量％通过[S]表示[O]表示的O的质量％，[REM]所示的REM的质量％，[Ti]所示的Ti的质量％，[N]所示的N的质量％满足 [式1]和[式2]：<？in-line-formula description =“In-line Formulas”end =“lead”？> [REM] ^{2 x [O] 2×[S]> = 1×10 -15 [式1] <？在线公式描述=“在线公式”end =“tail”？> <？in -line-formula description =“In-line Formulas”end =“lead”？>（[REM] ^{2 x [O] ^{2 x [S]）/（ [Ti] x [N]）> = 1×10 -10 [式2] <？in-line-formula description =“In-line Formulas”end =“tail”？>}}}

19. 发明授权

US06565674B1 High flux density grain-oriented electrical steel sheet excellent in high magnetic field core loss property and method of producing the same 有权
标题翻译：高磁场磁芯损耗特性优异的高通量密度晶粒取向电工钢板及其制造方法
公开(公告)号：US06565674B1
公开(公告)日：2003-05-20
申请号：US09580888
申请日：2000-05-30
申请人： Yousuke Kurosaki , Masahiro Fujikura
发明人： Yousuke Kurosaki , Masahiro Fujikura
IPC分类号： H01F104
CPC分类号： H01F1/14775 , C21D3/04 , C21D8/1222 , C21D8/1233 , C21D8/1255 , C21D8/1294
摘要： A high flux density grain-oriented electrical steel sheet excellent in high magnetic field core loss property containing, in percentage by weight, not greater than 0.005% of C, 2.0-7.0% of Si, not greater than 0.2% of Mn, one or both of S and Se in a total amount of not greater than 0.005%, the balance being of Fe and unavoidable impurities, optionally containing, in percentage by weight, of not greater than 0.065% of Al, not greater than 0.005% of N and 0.003-0.3% each of one or more of Sb, Sn, Cu, Mo, Ge, B, Te, As, Cr and Bi, the steel sheet having a grain orientation deviating from an ideal {110} orientation by an average of not greater than 5°, having an average 180° magnetic domain width of not greater than 0.30 mm, preferably not greater than 0.26 mm or greater than 0.26 mm and not greater than 0.30 mm, and having an area ratio of magnetic domains of a width greater than 0.4 mm of greater than 3% and not greater than 20%.
摘要翻译：高磁通磁芯损耗特性优异的高磁通密度晶粒取向电工钢，其重量百分比含量不大于C的0.005％，Si 2.0-7.0％，Mn不大于0.2％，其中一种或 S和Se的总量不大于0.005％，余量为Fe和不可避免的杂质，任选地包含不大于0.065％的Al，不大于0.005的N和 Sb，Sn，Cu，Mo，Ge，B，Te，As，Cr和Bi中的一种或多种的0.003-0.3％，具有偏离理想{110} <001>取向的晶粒取向的钢板由平均不大于5°，具有不大于0.30mm，优选不大于0.26mm或大于0.26mm且不大于0.30mm的平均180°磁畴宽度，并且具有磁畴宽度大于0.4mm的宽度大于3％且不大于20％。

20. 发明授权

US6159309A Grain-oriented electrical steel sheet and method for producing same 有权
标题翻译：晶粒取向电工钢板及其制造方法
公开(公告)号：US6159309A
公开(公告)日：2000-12-12
申请号：US180125
申请日：1998-11-02
申请人： Yousuke Kurosaki , Norito Abe , Nobuo Tachibana , Kentaro Chikuma , Kiyokazu Ichimura , Sadanobu Hirokami , Masayuki Yamashita
发明人： Yousuke Kurosaki , Norito Abe , Nobuo Tachibana , Kentaro Chikuma , Kiyokazu Ichimura , Sadanobu Hirokami , Masayuki Yamashita
IPC分类号： C21D8/12 , C22C38/02 , C22C38/06 , C22C38/60
CPC分类号： C22C38/60 , C21D8/12 , C21D8/1233 , C21D8/1261 , C22C38/02 , C22C38/06 , C21D8/1222
摘要： The present invention provides a grain-oriented electrical steel sheet having magnetic properties equal to, or higher than, those of conventional steel sheets can be produced economically with high productivity, and a method for producing such a steel sheet. The producing method comprises the steps of using, as a starting material, a coil obtained by heating a slab having a composition comprising, in terms of percent by weight, 0.02 to 0.15% of C, 2.5 to 4.0% of Si, 0.02 to 0.20% of Mn, 0.015 to 0.065% of Sol. Al, 0.0030 to 0.0150% of N, 0.005 to 0.040% as the sum of at least one of S and Se and the balance substantially consisting of Fe and hot rolling the slab to a coil, or a coil directly cast from a molten steel having the same components as the slab, conducting hot rolled sheet annealing at 900 to 1,100.degree. C., one stage cold rolling the sheet by a tandem mill having a plurality of stands, conducting decarburization annealing, further conducting final finish annealing, and then applying final coating so that a product having a thickness of 0.20 to 0.55 mm, an average grain diameter size of 1.5 to 5.5 mm, a W.sub.17/50 value expressed by the formula given below and a B.sub.8 value satisfying the relation 1.80.ltoreq.B.sub.8 (T).ltoreq.1.88:0.5884e.sup.1.9154t .ltoreq.W17/50 (W/kg).ltoreq.0.7558e.sup.1.7378t [t: sheet thickness.]
摘要翻译： PCT No.PCT / JP98 / 01718 Sec。 371日期：1998年11月2日 102（e）1998年11月2日日期PCT提交1998年4月15日PCT公布。公开号WO99 / 46416 PCT 日期1999年9月16日本发明提供一种具有等于或高于常规钢板的磁特性的方向性电磁钢板可以以高生产率经济地生产，以及这种钢板的制造方法。该制造方法包括以下步骤：使用通过加热具有以重量％计含有C 0.02〜0.15％，Si 2.5〜4.0％，0.02〜0.20重量％ Mn％，0.015〜0.065％的Sol。 Al，0.0030〜0.0150％的N，0.005〜0.040％，作为S和Se中的至少一种的总和，余量基本上由Fe组成，并且将板坯热轧成线圈，或者是从具有与板坯相同的部件，在900〜1100℃下进行热轧板退火，通过具有多个机架的串列式轧机进行一段冷轧，进行脱碳退火，进一步进行最终成品退火，然后施加最终涂布，使得厚度为0.20〜0.55mm，平均粒径尺寸为1.5〜5.5mm的产品，由下式给出的W17 / 50值和满足关系1.80

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