公开(公告)号：US20160237520A1

公开(公告)日：2016-08-18

申请号：US15024423

申请日：2014-09-25

Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)

Inventor： Tadao MURATA ,  Koji KASUYA ,  Sae MIZUTA ,  Yuichi FUTAMURA

IPC: C21D9/46 ,  C23C2/28 ,  C23C2/36 ,  C25D3/22 ,  C25D7/00 ,  C22C38/38 ,  C22C38/34 ,  C22C38/16 ,  C22C38/14 ,  C22C38/12 ,  C22C38/08 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C21D6/00 ,  C21D1/19 ,  B32B15/01 ,  C23C2/06

CPC classification number: C21D9/46 ,  B32B15/013 ,  C21D1/19 ,  C21D1/20 ,  C21D1/22 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D8/0236 ,  C21D8/0247 ,  C21D8/0284 ,  C21D9/573 ,  C21D2201/05 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/34 ,  C22C38/38 ,  C22C38/60 ,  C23C2/06 ,  C23C2/285 ,  C23C2/36 ,  C25D3/22 ,  C25D7/00

Abstract: A high-strength steel sheet of the present invention is a steel sheet satisfying a predetermined component composition. A metal structure of the steel sheet is composed of polygonal ferrite, high-temperature region generated bainite, low-temperature region generated bainite and retained austenite each having a predetermined area percent, and a distribution using each average IQ of predetermined crystal grains determined by electron backscatter diffraction satisfies Equations (1) and (2) below. According to the present invention, a high-strength steel sheet having excellent formability and low-temperature toughness can be realized even at a tensile strength of 590 MPa or more. (IQave−IQmin)/(IQmax−IQmin)≧0.40  (1) (σIQ)/(IQmax−IQmin)≦0.25  (2)

Abstract translation: 本发明的高强度钢板是满足规定成分组成的钢板。 钢板的金属结构由多边形铁素体，高温区域生成的贝氏体，低温区域生成贝氏体和各自具有预定面积百分比的残留奥氏体组成，并且使用由电子测定的预定晶粒的平均IQ的分布 反向散射衍射满足下面的等式（1）和（2）。 根据本发明，即使在590MPa以上的拉伸强度下也能够得到成形性和低温韧性优异的高强度钢板。 （IQave-IQmin）/（IQmax-IQmin）≥0.40（1）（σIQ）/（IQmax-IQmin）≤0.25（2）

公开(公告)号：US09412482B2

公开(公告)日：2016-08-09

申请号：US14068256

申请日：2013-10-31

Applicant: DOWA METALTECH CO., LTD.

Inventor： Toshiya Kamada ,  Takashi Kimura ,  Weilin Gao ,  Fumiaki Sasaki ,  Akira Sugawara

IPC: C22C9/06 ,  H01B1/02 ,  C22F1/08

CPC classification number: H01B1/026 ,  C21D2201/05 ,  C21D2211/004 ,  C22C9/06 ,  C22F1/08

Abstract: A Cu—Ni—Co—Si based copper alloy sheet material has second phase particles existing in a matrix, with a number density of ultrafine second phase particles is 1.0×109 number/mm2 or more. A number density of fine second phase particles is not more than 5.0×107 number/mm2. A number density of coarse second phase particles is 1.0×105 number/mm2 or more and not more than 1.0×106 number/mm2. The material has crystal orientation satisfying the following equation (1): I{200}/I0{200}≧3.0  (1) wherein I{200} represents an integrated intensity of an X-ray diffraction peak of the {200} crystal plane on the sheet material sheet surface; and I0{200} represents an integrated intensity of an X-ray diffraction peak of the {200} crystal plane in a pure copper standard powder sample.

Abstract translation: Cu-Ni-Co-Si系铜合金板材具有存在于基体中的第二相粒子，超细二次粒子的数量密度为1.0×10 9个/ mm 2以上。 细密度的第二相颗粒的密度不超过5.0×10 7个/ mm 2。 粗二次粒子的数密度为1.0×10 5个/ mm 2以上且1.0×10 6个/ mm 2以下。 该材料具有满足以下等式（1）的晶体取向：I {200} / I0 {200}≥3.0（1）其中I {200}表示{200}晶面的X射线衍射峰的积分强度 在片材表面上; I0 {200}表示纯铜标准粉末样品中{200}晶面的X射线衍射峰的积分强度。

公开(公告)号：US09346123B2

公开(公告)日：2016-05-24

申请号：US13806926

申请日：2011-06-29

Applicant: Seiji Okabe ,  Hiroi Yamaguchi ,  Takeshi Omura

Inventor： Seiji Okabe ,  Hiroi Yamaguchi ,  Takeshi Omura

IPC: B23K26/00 ,  B23K26/08 ,  C21D8/12 ,  C21D10/00 ,  C22C38/00 ,  C22C38/04 ,  C22C38/60 ,  C22C38/02 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/18

CPC classification number: B23K26/0846 ,  B23K26/00 ,  B23K2101/16 ,  B23K2103/04 ,  C21D8/12 ,  C21D8/1272 ,  C21D8/1294 ,  C21D10/00 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/18 ,  C22C38/60

Abstract: A device reduces dust for safely preventing laser-irradiation capacity from decreasing due to contamination and reliably reducing iron loss of a grain oriented electrical steel sheet. The device improves iron loss properties of a grain oriented electrical steel sheet by irradiating its surface with laser to reduce iron loss, wherein, distance between a laser beam emission port and a laser irradiation point is L (mm); laser irradiation angle formed by a line linking the emission port and the irradiation point with respect to a direction vertical to the sheet is θ (°); and L≧50, the emission port is positioned such that L and θ satisfy: 60−0.3L≦θ≦60 when L≦100; 40−0.1L≦θ≦60 when 100 400.

Abstract translation: 装置减少灰尘，以安全地防止激光照射能力由于污染而降低，并可靠地降低了取向电工钢板的铁损。 该装置通过用激光照射其表面来改善晶粒取向电工钢板的铁损性能，以减少铁损，其中激光束射出口和激光照射点之间的距离为L（mm）; 由连接发射口和照射点的线相对于与片材垂直的方向形成的激光照射角是＆amp; （°）; L≥50，排放口定位成L和＆amp; t; 满足：60-0.3L＆nlE;＆thetas;＆nlE; 60当L＆nlE; 100; 40-0.1L＆nlE;＆thetas;＆nlE; 60当100 400。

公开(公告)号：US20160130680A1

公开(公告)日：2016-05-12

申请号：US14891889

申请日：2014-07-01

Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION

Inventor： Kaoru KAWASAKI ,  Masaharu KAMEDA ,  Kohichi SANO ,  Riki OKAMOTO

IPC: C21D9/46 ,  C22C38/32 ,  C22C38/28 ,  C22C38/26 ,  C22C38/22 ,  C22C38/16 ,  C22C38/14 ,  C22C38/12 ,  C22C38/08 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C22C38/44 ,  C22C38/42 ,  C22C38/10 ,  C21D6/00 ,  C21D8/02 ,  B32B15/01 ,  C23C2/06

CPC classification number: C21D9/46 ,  B32B15/013 ,  C21D6/004 ,  C21D6/005 ,  C21D6/007 ,  C21D6/008 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0247 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0447 ,  C21D8/0473 ,  C21D2201/05 ,  C21D2211/001 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/42 ,  C22C38/44 ,  C22C38/54 ,  C23C2/06 ,  C23C2/28 ,  C23C2/40

Abstract: A cold-rolled steel sheet includes a predetermined chemical composition, and includes a structure expressed by: an area fraction of ferrite: 95% or more; an area fraction of retained austenite and an area fraction of martensite: 1% to 3% in total; a product of the area fraction of retained austenite and a carbon concentration in retained austenite: 1 or more; a value of I(111)/{I(100)+I(110)} at a region where a depth from a surface is ¼ of a thickness of the cold-rolled steel sheet when intensity of a (hkl) plane is expressed by I(hkl): 2 or less.

Abstract translation: 冷轧钢板包括预定的化学组成，并且包括以下结构：铁素体的面积分数为95％以上; 残余奥氏体的面积分数和马氏体的面积率分别为1％〜3％ 残余奥氏体的面积率和残留奥氏体中的碳浓度的乘积为1以上; （hkl）面的强度表示时，表面深度为冷轧钢板的厚度的1/4的区域的I（111）/ {I（100）+ I（110）}的值 由I（hkl）：2以下。

公开(公告)号：US09267194B2

公开(公告)日：2016-02-23

申请号：US14114131

申请日：2012-04-27

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

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

IPC: C21D8/02 ,  C22C38/00 ,  C22C38/18 ,  C21D3/04 ,  C21D8/12 ,  H01F1/16 ,  H02K1/02 ,  B32B15/01 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

CPC classification number: C22C38/18 ,  B32B15/01 ,  B32B15/011 ,  C21D3/04 ,  C21D8/0257 ,  C21D8/12 ,  C21D8/1222 ,  C21D2201/05 ,  C21D2211/005 ,  C22C38/00 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  H01F1/16 ,  H02K1/02 ,  Y10T428/12 ,  Y10T428/12431 ,  Y10T428/12799

Abstract: A cast slab containing C: less than 0.02 mass % and made of an Fe-based metal of an α-γ transforming component is subjected to hot rolling at a temperature of an A3 point or higher and is subjected to α-region rolling at a temperature of 300° C. or higher and lower than the A3 point, and thereby a base metal sheet having a {100} texture in a surface layer portion is fabricated. Then, by performing a heat treatment under predetermined conditions, an Fe-based metal sheet is obtained in which a Z value is not less than 2.0 nor more than 200 when intensity ratios of respective {001} , {116} , and {223} directions in a sheet plane by X-ray diffraction are set to A, B, and C respectively and Z =(A+0.97B)/0.98C is satisfied.

Abstract translation: 将含有C：小于0.02质量％，由α-γ转变成分的Fe系金属制成的铸坯在A3点以上的温度下进行热轧，并在 温度为300℃以上且低于A3点，由此制造在表层部具有{100}纹理的贱金属片。 然后，通过在规定条件下进行热处理，得到当{001} <470> {116} <6的强度比时Z值不小于2.0且不大于200的Fe基金属片 通过X射线衍射将片材平面中的方向分别设为A 1，B 2和C 12，并且分别设定为Z =（A + 0.97B）/0.98℃。

公开(公告)号：US09240266B2

公开(公告)日：2016-01-19

申请号：US13814344

申请日：2011-08-04

Applicant: Masanori Takenaka ,  Minoru Takashima ,  Hiroi Yamaguchi ,  Takeshi Omura

Inventor： Masanori Takenaka ,  Minoru Takashima ,  Hiroi Yamaguchi ,  Takeshi Omura

IPC: B32B15/00 ,  H01F1/18 ,  C21D1/38 ,  C21D8/12 ,  C22C38/00

CPC classification number: H01F1/18 ,  C21D1/38 ,  C21D8/12 ,  C21D8/1277 ,  C21D8/1283 ,  C21D2201/05 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/08 ,  Y10T428/24628

Abstract: A grain oriented electrical steel sheet has sufficiently low iron loss and having less conventionally-concerned warpage of the steel sheet even after the steel sheet is subjected to artificial magnetic domain refining treatment, where strain-introducing treatment is conducted with high energy so that an iron loss-reducing effect can be maximized. The grain oriented electrical steel sheet is obtained by adjusting tension to be applied to a tension-applying insulating coating, or to both surfaces of the steel sheet by the tension-applying insulating coating, before strain-introducing treatment in the range of Formula (1): 1.0≦(tension applied to non-strain-introduced surface)/(tension applied to strain-introduced surface)≦2.0  (1), and by controlling the amount of warpage of the steel sheet toward the strain-introduced surface side after strain-introducing treatment in the range of 1 mm or more and 10 mm or less.

Abstract translation: 即使在对钢板进行人造磁畴精制处理之后，晶粒取向电工钢板也具有足够低的铁损，并且具有较少的常规的钢板翘曲，其中以高能量进行应变导入处理， 减少损失的效果可以最大化。 晶粒取向电工钢板通过在应变导入处理之前通过张力施加绝缘涂层调节施加到张力施加绝缘涂层的张力或钢板的两个表面，在式（1 ）：1.0＆nlE;（施加于非应变导入面的张力）/（施加到应变导入面的张力）＆lt; 2.0;（1），并且通过控制钢板朝向应变导入面的翘曲量 在应变引入处理之后，在1mm以上且10mm以下的范围内。

公开(公告)号：US20150361544A1

公开(公告)日：2015-12-17

申请号：US14761707

申请日：2014-02-18

Applicant: JFE STEEL CORPORATION

Inventor： Hiroshi MATSUDA ,  Hideyuki TAKAHASHI ,  Hiroi YAMAGUCHI ,  Yasuyuki HAYAKAWA ,  Takashi TERASHIMA ,  Yuiko WAKISAKA

IPC: C23C8/38 ,  C21D8/12 ,  H01F1/16 ,  C22C38/02 ,  H01F1/147 ,  C23C8/26 ,  C21D9/46

CPC classification number: C23C8/38 ,  C21D1/09 ,  C21D1/773 ,  C21D8/12 ,  C21D8/1255 ,  C21D9/46 ,  C21D2201/05 ,  C22C38/02 ,  C23C8/02 ,  C23C8/26 ,  H01F1/14775 ,  H01F1/16

Abstract: Provided is an apparatus for continuously nitriding a strip continuously being fed after cold rolling and before secondary recrystallization annealing in a production line of a grain-oriented electrical steel sheet, comprising: a nitriding zone for nitriding the strip; a cooling zone for cooling the strip; and an optional heating zone provided upstream of the nitriding zone for heating the strip, wherein, the nitriding zone is provided with glow discharge electrodes, and by plasma nitriding the strip by glow discharge with the glow discharge electrodes functioning as positive electrodes and the strip functioning as a negative electrode, inhibitor forming elements are uniformly dispersed over the full length and full width of the strip and a grain-oriented electrical steel sheet with excellent magnetic properties with no variation is obtained.

Abstract translation: 本发明提供一种用于在冷轧后连续进料的条带和在取向电工钢板的生产线中的二次再结晶退火之前连续氮化的装置，包括：氮化氮化带， 用于冷却带材的冷却区域; 以及可选的加热区，设置在氮化区的上游，用于加热带，其中，氮化区设置有辉光放电电极，并且通过辉光放电等离子体氮化该带，其中辉光放电电极用作正电极，并且带的功能 作为负极，抑制剂形成元件在条带的全长和全宽度上均匀分散，并且获得了具有优异的磁性能而没有变化的晶粒取向电工钢板。

公开(公告)号：US20150297370A1

公开(公告)日：2015-10-22

申请号：US14417852

申请日：2013-08-02

Applicant: National Institute of Advanced Industrial Science and Technology

Inventor： Kotaro HANADA ,  Kunio MATSUZAKI

IPC: A61F2/82 ,  A61L31/14 ,  B21C1/24 ,  A61L31/02

CPC classification number: A61F2/82 ,  A61F2210/0004 ,  A61L31/022 ,  A61L31/14 ,  A61L31/148 ,  B21C1/24 ,  C21D7/00 ,  C21D9/08 ,  C21D2201/05 ,  C22C1/02 ,  C22F1/06

Abstract: Provided is a thin, narrow tube for use in a biodegradable medical device formed from a round tube made of a magnesium material as the base material, in which a desired outer diameter and an inner diameter are provided with good precision over the entire region in a longitudinal direction and a circumferential direction, and the length of biodegradation time can be controlled without changing a material composition. The thin, narrow tube is a thin, narrow tube of a biodegradable medical device, in which the thin, narrow tube is a round tube made of crystals containing magnesium (Mg) having a hexagonal crystal structure, and when the crystals forming the round tube are viewed in a round tube axis direction of the round tube, a hexagonal basal plane (0001) is oriented at a predetermined inclination angle with respect to a circumferential direction perpendicular to a radial direction (a direction from an inner surface to an outer surface) of the round tube.

Abstract translation: 本发明提供一种用于生物降解医疗装置的薄的细管，其由以镁材料为基材的圆管形成，其中期望的外径和内径在整个区域中具有良好的精度 纵向和圆周方向，并且可以在不改变材料组成的情况下控制生物降解时间的长度。 薄的窄管是可生物降解的医疗装置的薄而细的管，其中细的窄管是由具有六方晶体结构的镁（Mg）的晶体制成的圆管，当形成圆管的晶体 在圆管的圆管轴线方向上观察，六边形基面（0001）相对于与径向垂直的圆周方向（从内表面到外表面的方向）以预定的倾斜角定向， 的圆管。

公开(公告)号：US20150243418A1

公开(公告)日：2015-08-27

申请号：US14372689

申请日：2012-03-29

Applicant: Huawei Zhang ,  Yaping Wu ,  Yu Gong ,  Yezhong Sun ,  Hongxu Hei

Inventor： Huawei Zhang ,  Yaping Wu ,  Yu Gong ,  Yezhong Sun ,  Hongxu Hei

IPC: H01F1/147 ,  H01F41/00 ,  C22C38/02 ,  C21D8/12 ,  C21D6/00

CPC classification number: H01F1/14766 ,  C21D1/26 ,  C21D6/00 ,  C21D6/008 ,  C21D8/021 ,  C21D8/041 ,  C21D8/1205 ,  C21D8/1216 ,  C21D8/1244 ,  C21D9/0081 ,  C21D9/70 ,  C21D2201/05 ,  C22C38/02 ,  H01F41/00

Abstract: A hot rolled silicon steel producing method comprises: silicon steel slab heating process, rough rolling process and finish rolling process. The heating process comprises a pre-heating stage, a heating stage and a soaking stage. The pre-heating stage satisfies the following formula (1). In the formula, VTp is a temperature increasing rate, in the pre-heating stage, whose unit is ° C./min; t is a total heating time of the slab in the heating furnace, and t=180-240 min; and Tc is an initial temperature when the slab is put into the furnace, whose unit is ° C. By using the foregoing formula, the heating process and the rough rolling process are changed, an occurrence rate of edge defects during the production of the hot rolled silicon steel can be reduced, and the hot rolled silicon steel with good surface quality can be produced. V Tp > 220   min t × 100  °   C . T C + 200  °   C . × 25  °   C . /  min ( 1 )

Abstract translation: 热轧硅钢的制造方法包括：硅钢板坯加热工序，粗轧加工和精轧工序。 加热过程包括预热阶段，加热阶段和均热阶段。 预热阶段满足下式（1）。 在公式中，VTp是预热阶段的升温速率，单位为℃/ min; t是加热炉中板坯的总加热时间，t = 180-240分钟; Tc是板坯放入炉内时的初始温度，单位为℃。通过上述公式，加热处理和粗轧过程发生变化，生产热边缘边缘缺陷的发生率 可以减少轧制硅钢，并且可以生产具有良好表面质量的热轧硅钢。 V Tp> 220ㄧt××× T C + 200°C。 ×25°C。 /分钟（1）

公开(公告)号：US20150197835A1

公开(公告)日：2015-07-16

申请号：US14669592

申请日：2015-03-26

Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION

Inventor： Tooru INAGUMA ,  Miho TOMITA ,  Hiroaki SAKAMOTO ,  Youji MIZUHARA

IPC: C22C38/18 ,  C22C38/00 ,  C22C38/04 ,  C22C38/02 ,  B32B15/01 ,  C22C38/06

CPC classification number: C22C38/18 ,  B32B15/01 ,  B32B15/011 ,  C21D3/04 ,  C21D8/0257 ,  C21D8/12 ,  C21D8/1222 ,  C21D2201/05 ,  C21D2211/005 ,  C22C38/00 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  H01F1/16 ,  H02K1/02 ,  Y10T428/12 ,  Y10T428/12431 ,  Y10T428/12799

Abstract: A cast slab containing C: less than 0.02 mass % and made of an Fe-based metal of an α-γ transforming component is subjected to hot rolling at a temperature of an A3 point or higher and is subjected to α-region rolling at a temperature of 300° C. or higher and lower than the A3 point, and thereby a base metal sheet having a {100} texture in a surface layer portion is fabricated. Then, by performing a heat treatment under predetermined conditions, an Fe-based metal sheet is obtained in which a Z value is not less than 2.0 nor more than 200 when intensity ratios of respective {001} , {116} , and {223} directions in a sheet plane by X-ray diffraction are set to A, B, and C respectively and Z=(A+0.97B)/0.98C is satisfied.

Abstract translation: 将含有C：小于0.02质量％，由α-γ转变成分的Fe系金属制成的铸坯在A3点以上的温度下进行热轧，并在 温度为300℃以上且低于A3点，由此制造在表层部具有{100}纹理的贱金属片。 然后，通过在规定条件下进行热处理，得到当{001} <470> {116} <6的强度比时Z值不小于2.0且不大于200的Fe基金属片 通过X射线衍射将片材平面中的方向分别设为A 1，B 2和C 12，并且分别设定为Z =（A + 0.97B）/0.98℃。