公开(公告)号：US20140030546A1

公开(公告)日：2014-01-30

申请号：US14110891

申请日：2012-04-12

Applicant: Yoshihiro Suwa ,  Kazuaki Nakano ,  Kunio Hayashi ,  Riki Okamoto ,  Nobuhiro Fujita ,  Kohichi Sano

Inventor： Yoshihiro Suwa ,  Kazuaki Nakano ,  Kunio Hayashi ,  Riki Okamoto ,  Nobuhiro Fujita ,  Kohichi Sano

IPC: C21D8/02 ,  C22C38/28 ,  C22C38/26 ,  C22C38/16 ,  C22C38/14 ,  B32B15/01 ,  C22C38/10 ,  C22C38/08 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C22C38/38 ,  C22C38/12

CPC classification number: C21D9/46 ,  B32B15/013 ,  C21D8/02 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0263 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0473 ,  C21D2201/05 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C21D2211/009 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/10 ,  C22C38/105 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28 ,  C22C38/38 ,  C23C2/06 ,  C23C2/285 ,  C23C2/36 ,  Y10T428/12799

Abstract: This high-strength cold-rolled steel sheet contains, in mass %, C: 0.02% to 0.20%; Si: 0.001% to 2.5%; Mn: 0.01% to 4.0%; P: 0.001% to 0.15%; S: 0.0005% to 0.03%; Al: 0.001% to 2.0%; N: 0.0005% to 0.01%; and O: 0.0005% to 0.01%; in which Si+Al is limited to less than 1.0%, and a balance being composed of iron and inevitable impurities, in which an area ratio of bainite in a metal structure is 95% or more, at a sheet thickness center portion being a range of ⅝ to ⅜ in sheet thickness from the surface of the steel sheet, an average value of pole densities of the {100} to {223} orientation group is 4.0 or less, and a pole density of the {332} crystal orientation is 5.0 or less, and a mean volume diameter of crystal grains in the metal structure is 7 μm or less.

Abstract translation: 该高强度冷轧钢板以质量％计含有C：0.02〜0.20％ Si：0.001〜2.5％ Mn：0.01〜4.0％ P：0.001〜0.15％ S：0.0005〜0.03％; Al：0.001〜2.0％ N：0.0005〜0.01％; 和O：0.0005％至0.01％; 其中Si + Al被限制在小于1.0％，余量由铁和不可避免的杂质构成，其中，贝氏体在金属结构体中的面积比为95％以上，在板厚中心部分为范围 从钢板表面的5/8至3/8的板厚度，{100} <011>至{223} <110>取向基团的极点的平均值为4.0以下， {332} <113>晶体取向的密度为5.0以下，金属结构体的晶粒的平均体积直径为7μm以下。

公开(公告)号：US20130319582A1

公开(公告)日：2013-12-05

申请号：US13985001

申请日：2012-03-29

Applicant: Tatsuo Yokoi ,  Hiroshi Shuto ,  Riki Okamoto ,  Nobuhiro Fujita ,  Kazuaki Nakano ,  Takeshi Yamamoto

Inventor： Tatsuo Yokoi ,  Hiroshi Shuto ,  Riki Okamoto ,  Nobuhiro Fujita ,  Kazuaki Nakano ,  Takeshi Yamamoto

IPC: C21D8/02 ,  C22C38/28 ,  C22C38/16 ,  C22C38/14 ,  C22C38/00 ,  C22C38/08 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/38 ,  C22C38/12

CPC classification number: C21D9/46 ,  C21D6/002 ,  C21D6/005 ,  C21D6/008 ,  C21D8/02 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0263 ,  C21D2201/05 ,  C21D2211/002 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/18 ,  C22C38/28 ,  C22C38/38 ,  C22C38/58

Abstract: The present invention provides a bainite-containing-type high-strength hot-rolled steel sheet. The steel sheet, containing C: greater than 0.07 to 0.2%, Si: 0.001 to 2.5%, Mn: 0.01 to 4%, P: 0.15% or less, S: 0.03% or less, N: 0.01% or less, Al: 0.001 to 2% and a balance being composed of Fe and impurities, has an average value of pole densities of the {100} to {223} orientation group at a sheet thickness center portion being a range of ⅝ to ⅜ in sheet thickness from the surface of the steel sheet is 4.0 or less, and a pole density of the {332} crystal orientation is 4.8 or less, an average crystal grain diameter is 10 μm or less and vTrs is −20° C. or lower, and a microstructure is composed of 35% or less in a structural fraction of pro-eutectoid ferrite and a balance of a low-temperature transformation generating phase.

Abstract translation: 本发明提供一种含贝氏体型的高强度热轧钢板。 含有C：大于0.07〜0.2％，Si：0.001〜2.5％，Mn：0.01〜4％，P：0.15％以下，S：0.03％以下，N：0.01％以下的钢板 0.001〜2％，余量由Fe和杂质构成，板厚中心部的{100} <011>〜{223} <110>取向基的极点的平均值为5 / 8〜3/8的板厚为4.0以下，{332} <113>晶体取向的极点密度为4.8以下，平均结晶粒径为10μm以下 并且vTrs为-20℃以下，在共析铁素体的结构部分中的微观结构为35％以下，低温变形生成阶段为平衡。

公开(公告)号：US20130284711A1

公开(公告)日：2013-10-31

申请号：US13876932

申请日：2011-04-28

Applicant: Wangya Huang ,  Guobao Li ,  Xinqiang Zhang ,  Xing Mao ,  Wanqing Guo ,  Jianru Zhu ,  Banglin Xiang

Inventor： Wangya Huang ,  Guobao Li ,  Xinqiang Zhang ,  Xing Mao ,  Wanqing Guo ,  Jianru Zhu ,  Banglin Xiang

IPC: B23K26/36

CPC classification number: B23K26/362 ,  B23K26/361 ,  C21D1/38 ,  C21D8/12 ,  C21D8/1294 ,  C21D2201/05

Abstract: A fast-speed laser scoring method is provided, in which a set of related laser scoring device is used to simultaneously score lines on the upper surface and the lower surface of an oriented silicon steel strip, which is being fed and traveling forwards on a production line, with high-focalized continuous wave laser beam; the lines scored on the upper surface and the lines scored on the lower surface have the same space between every two adjacent scored lines but are staggered each other in order to reduce iron loss evenly. The space between every two adjacent scored lines on the same surface is 6-12 mm, laser power is 1000-3000 W and scanning speed is 100-400 m/min. The machining rate of the scoring method and device attains 1.5-2 times the one of conventional scoring methods which can not simultaneously score the upper and lower surfaces of a steel strip at a time. The lines scored on a steel strip by the method can reduce iron loss of the strip by 10-16%.

Abstract translation: 本发明提供了一种快速的激光打标方法，其中使用一组相关的激光刻痕装置同时对生产中的正向进给和向前行进的定向硅钢带的上表面和下表面上的线进行划线 具有高焦距连续波激光束; 在上表面划线，并且在下表面划线的线在每两个相邻刻痕线之间具有相同的间隔，但彼此交错以便均匀地减少铁损。 同一表面两相邻划线之间的间隔为6-12mm，激光功率为1000-3000W，扫描速度为100-400m / min。 评分方法和装置的加工速度达到常规评分方法的1.5-2倍，不能同时对钢带的上表面和下表面进行评分。 通过该方法在钢带上划线的线可以将钢带的铁损减少10-16％。

公开(公告)号：US20130252340A1

公开(公告)日：2013-09-26

申请号：US13990652

申请日：2011-11-28

Applicant: Fraunhofer-Gesellschaft Zur Forderung Der Angewand ten Forschung E.V.

Inventor： Thomas Haertling ,  Anton Mayer ,  Jörg Opitz ,  Jürgen Schreiber ,  Susan Derenko ,  Christiane Wetzel

IPC: G01N21/64 ,  A61L2/28

CPC classification number: G01N21/643 ,  A61L2/087 ,  A61L2/28 ,  A61L2202/24 ,  C21D1/54 ,  C21D8/1272 ,  C21D11/00 ,  C21D2201/05 ,  G01N21/6408

Abstract: The method comprises the following steps: bonding at least one chemical, optically luminescent compound (3) onto at least one indicator element (6) for testing the treatments (14), wherein at least one luminescence property of the chemical compound (3) can be changed; assigning at least one indicator element (6) to the object (1); wherein the indicator element (6) and the object (1) are simultaneously subjected to the same conditions of the energy-introducing treatment (14); changing the luminescence property of the chemical compound (3), wherein the level of the change to the luminescence property depends upon the energy-introducing treatment (14); irradiating (13) the chemical compound (3) with electromagnetic radiation directed onto the indicator (6) for excitation of the luminescence during the energy-introducing treatment or following the energy-introducing treatment (14).

Abstract translation: 该方法包括以下步骤：将至少一种化学光学发光化合物（3）结合到至少一个指示剂元件（6）上，用于测试处理（14），其中化合物（3）的至少一种发光性能可以 改变; 将至少一个指示元件（6）分配给所述对象（1）; 其中所述指示元件（6）和所述物体（1）同时经受与所述能量引入处理（14）相同的条件; 改变化学化合物（3）的发光性质，其中对发光性能的变化水平取决于能量引入处理（14）; 用导向到指示器（6）上的电磁辐射照射（13）化学化合物（3），以在能量引入处理期间或在能量引入处理（14）之后激发发光。

公开(公告)号：US20130206283A1

公开(公告)日：2013-08-15

申请号：US13814115

申请日：2011-08-05

Applicant: Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Takeshi Omura

Inventor： Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Takeshi Omura

IPC: H01F1/01 ,  H01F41/02

CPC classification number: H01F1/01 ,  C21D1/38 ,  C21D8/12 ,  C21D8/1277 ,  C21D8/1283 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/04 ,  C22C38/34 ,  H01F1/16 ,  H01F41/02

Abstract: A grain oriented electrical steel sheet has thermal strain introduced thereinto in a dotted-line arrangement in which strain-imparted areas are lined in a direction that crosses a rolling direction of the steel sheet, wherein the strain-imparted areas introduced in the dotted-line arrangement have a size from 0.10 mm or more to 0.50 mm or less and an interval between the adjacent strain-imparted areas is from 0.10 mm or more to 0.60 mm or less.

Abstract translation: 晶粒取向电工钢板以引线方式引入热应变，其中应变赋予区域沿与钢板的轧制方向交叉的方向排列，其中引入虚线的应变赋予区域 排列的尺寸为0.10mm以上且0.50mm以下，相邻的应变赋予区域的间隔为0.10mm以上且0.60mm以下。

公开(公告)号：US20130180634A1

公开(公告)日：2013-07-18

申请号：US13823962

申请日：2011-12-21

Applicant: Kyu-Seok Han ,  Jae-Soo Lim ,  Byung-Deug Hong ,  Chan-Hee Han

Inventor： Kyu-Seok Han ,  Jae-Soo Lim ,  Byung-Deug Hong ,  Chan-Hee Han

IPC: H01F1/01

CPC classification number: H01F1/01 ,  C21D8/12 ,  C21D8/1244 ,  C21D8/1272 ,  C21D2201/05 ,  C21D2211/004 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/60 ,  C30B29/52

Abstract: Provided is a grain-oriented electric steel sheet and a method for manufacturing same, the steel sheet having superior magnetic properties. The method comprises heating a slab comprising 2.0 to 4.5 weight % of Si, 0.001 to 0.10 weight % of C, 0.010 weight % or lower of Al, 0.08 weight % or lower of Mn, 0.005 weight % or lower of N, 0.002 to 0.050 weight % of S, the remainder being Fe and other unavoidable impurities, performing hot-rolling of the heated slab, performing cold-rolling one time or two or more times including an intermediate annealing, performing decarbonization and re-crystallizing annealing, and performing secondary re-crystallizing annealing.

Abstract translation: 提供一种晶粒取向电工钢板及其制造方法，该钢板具有优异的磁特性。 该方法包括加热含有2.0〜4.5重量％的Si，0.001〜0.10重量％的C，0.010重量％以下的Al，0.08重量％以下的Mn，0.005重量％以下的N，0.002〜0.050 S的余量，剩余部分为Fe等不可避免的杂质，进行加热板坯的热轧，进行中间退火，进行中间退火，进行脱碳化和再结晶退火的一次或两次以上的冷轧，并进行二次 再结晶退火。

公开(公告)号：US20130160901A1

公开(公告)日：2013-06-27

申请号：US13821608

申请日：2011-09-09

Applicant: Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Yasuyuki Hayakawa

Inventor： Takeshi Omura ,  Hirotaka Inoue ,  Hiroi Yamaguchi ,  Seiji Okabe ,  Yasuyuki Hayakawa

IPC: H01F1/01

CPC classification number: C22C38/00 ,  C21D8/12 ,  C21D8/1233 ,  C21D8/1277 ,  C21D8/1283 ,  C21D2201/05 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/34 ,  C22C38/60 ,  H01F1/16

Abstract: A grain oriented electrical steel sheet has linear grooves for magnetic domain refinement formed on a surface thereof and may reduce iron loss by using these linear grooves, where the proportion of those linear grooves having crystal grains directly beneath themselves, each crystal grain having an orientation deviating from the Goss orientation by 10° or more and a grain size of 5 μm or more, is controlled to 20% or less, and secondary recrystallized grains are controlled to have an average β angle of 2.0° or less, and each secondary recrystallized grain having a grain size of 10 mm or more is controlled to have an average β-angle variation of 1° to 4°.

Abstract translation: 晶粒取向电工钢板在其表面上形成有磁畴细化的线性沟槽，并且可以通过使用这些线性沟槽来减少铁损，其中具有晶粒直径的那些直线槽的比例在其自身下方，每个晶粒的取向偏离 从高斯取向10°以上，粒径5μm以上，控制在20％以下，二次再结晶晶粒的平均β角为2.0°以下，二次再结晶晶粒 粒径为10mm以上的粒径被控制为具有1°至4°的平均β角度变化。

公开(公告)号：US20130087249A1

公开(公告)日：2013-04-11

申请号：US13703833

申请日：2011-06-17

Applicant: Masanori Takenaka ,  Minoru Takashima ,  Toshito Takamiya

Inventor： Masanori Takenaka ,  Minoru Takashima ,  Toshito Takamiya

IPC: C21D8/02

CPC classification number: C21D8/0205 ,  C21D8/12 ,  C21D8/1216 ,  C21D8/1244 ,  C21D2201/05 ,  C22C38/004 ,  C22C38/02 ,  C22C38/06 ,  C22C38/60 ,  H01F1/16

Abstract: The present invention provides a method for manufacturing a grain oriented electrical steel sheet, including preparing as a material a steel slab having a predetermined composition and carrying out at least two cold rolling operations, characterized in that a thermal treatment is carried out, prior to any one of cold rolling operations other than final cold rolling, at temperature in the range of 500° C. to 750° C. for a period in the range of 10 minutes to 480 hours. The grain oriented electrical steel sheet of the present invention exhibits through utilization of austenite-ferrite transformation superior magnetic properties after secondary recrystallization.

Abstract translation: 本发明提供一种制造晶粒取向电工钢板的方法，包括制备具有预定组成的钢板并进行至少两次冷轧操作的材料，其特征在于，在任何 在最终冷轧之外的冷轧操作之一，在500℃至750℃的温度范围内，持续10分钟至480小时的时间。 本发明的晶粒取向电工钢板通过二次再结晶后的奥氏体 - 铁素体相变优异的磁特性表现出来。

公开(公告)号：US08366836B2

公开(公告)日：2013-02-05

申请号：US13381294

申请日：2010-07-13

Applicant: Yoshiyuki Ushigami ,  Norikazu Fujii

Inventor： Yoshiyuki Ushigami ,  Norikazu Fujii

IPC: H01F1/147

CPC classification number: 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

Abstract: 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.

Abstract translation: 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：US20120211129A1

公开(公告)日：2012-08-23

申请号：US13504319

申请日：2010-10-27

Applicant: Tooru Inaguma ,  Miho Tomita ,  Youji Mizuhara ,  Hiroaki Sakamoto

Inventor： Tooru Inaguma ,  Miho Tomita ,  Youji Mizuhara ,  Hiroaki Sakamoto

IPC: C21D8/02 ,  B32B15/01

CPC classification number: H01F1/14775 ,  B32B15/011 ,  B32B15/012 ,  B32B15/013 ,  C21D8/1222 ,  C21D8/1233 ,  C21D2201/05 ,  C21D2211/004 ,  C21D2211/005 ,  C21D2221/00 ,  C21D2221/10 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/16 ,  C22C38/18 ,  C22C2202/02 ,  C23C2/12 ,  C23C2/26 ,  C23C2/28 ,  C23C10/28 ,  C23C14/16 ,  C23C14/5893 ,  H01F1/16 ,  Y10T428/12951

Abstract: On at least one surface of a base metal plate (1) of an α-γ transforming Fe or Fe alloy, a metal layer (2) containing ferrite former is formed. Next, the base metal plate (1) and the metal layer (2) are heated to an A3 point of the Fe or the Fe alloy, whereby the ferrite former are diffused into the base metal plate (1) to form an alloy region (1b) in a ferrite phase in which an accumulation degree of {200} planes is 25% or more and an accumulation degree of {222} planes is 40% or less. Next, the base metal plate (1) is heated to a temperature higher than the A3 point of the Fe or the Fe alloy, whereby the accumulation degree of the {200} planes is increased and the accumulation degree of the {222} planes is decreased while the alloy region (11b) is maintained in the ferrite phase.

Abstract translation: 在α-γ转变Fe或Fe合金的贱金属板（1）的至少一个表面上形成含铁素体的金属层（2）。 接下来，将基底金属板（1）和金属层（2）加热到Fe或Fe合金的A3点，由此将铁素体成形体扩散到基体金属板（1）中以形成合金区域 1b）在{200}面的累积度为25％以上，堆积度为{222}面的玻璃化相中为40％以下。 接下来，将基底金属板（1）加热到高于Fe或Fe合金的A3点的温度，由此{200}面的累积度增加，{222}面的累积度为 同时合金区域（11b）保持在铁素体相中。