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1.发明申请High Magnetic Induction Oriented Silicon Steel and Manufacturing Method Thereof 审中-公开高磁感应定向硅钢及其制造方法公开(公告)号：US20150206633A1
公开(公告)日：2015-07-23
申请号：US14422991
申请日：2012-12-11
发明人： Huabing Zhang , Guabao Li , Xijiang Lu , Yongjie Yang , Zhuochao Hu , Kanyi Shen , Jiaqiang Gao , Meihong Wu
IPC分类号： H01F1/147 , C23C8/26 , C23F17/00 , C21D6/00 , C22C38/00 , C22C38/28 , C22C38/06 , C22C38/04 , C22C38/24 , C21D8/12 , C22C38/34
CPC分类号： H01F1/14783 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/12 , C21D8/1222 , C21D8/1233 , C21D8/1255 , C22C38/001 , C22C38/002 , C22C38/008 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/34 , C22C38/60 , C23C8/26 , C23F17/00 , H01F1/18
摘要： The invention relates to high magnetic induction oriented silicon steel and a preparation method thereof. The oriented silicon steel comprises the following chemical elements by weight percent: 0.035-0.120% of C, 2.9-4.5% of Si, 0.05-0.20% of Mn, 0.005-0.050% of P, 0.005-0.012% of S, 0.015-0.035% of Als, 0.001-0.010% of N, 0.05-0.30% of Cr, 0.005-0.090% of Sn, not more than 0.0100% of V, not more than 0.0100% of Ti, at least one of trace elements of Sb, Bi, Ni and Mo, and the balance of Fe and other inevitable impurities, wherein Sb+Bi+Nb+Mo is 0.0015-0.0250% and (Sb/121.8+Bi/209.0+Nb/92.9+Mo/95.9)/(Ti/47.9+V/50.9) ranges from 0.1 to 15.
摘要翻译： 本发明涉及高磁感应定向硅钢及其制备方法。 取向硅钢按重量百分比计含有以下化学元素：C：0.035-0.120％，Si：2.9-4.5％，Mn：0.05-0.20％，P：0.005-0.050％，S：0.005-0.012％ 0.035％的Al，0.001-0.010％的N，0.05-0.30％的Cr，0.005-0.090％的Sn，不大于0.0100％的V，不大于0.0100％的Ti，Sb中的至少一种微量元素 ，Bi，Ni和Mo，余量为Fe等不可避免的杂质，其中Sb + Bi + Nb + Mo为0.0015〜0.0250％，（Sb / 121.8 + Bi / 209.0 + Nb / 92.9 + Mo / 95.9）/（ Ti / 47.9 + V / 50.9）为0.1〜15。
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公开(公告)号：US11459634B2
公开(公告)日：2022-10-04
申请号：US16963334
申请日：2018-06-21
发明人： Shuangjie Chu , Guobao Li , Yongjie Yang , Zipeng Zhao , Changsong Ma , Kanyi Shen , Meihong Wu , Yaming Ji , Huabing Zhang , Zhuochao Hu
IPC分类号： C21D9/46 , C21D1/30 , C21D8/12 , B23K26/0622 , B23K26/082 , B23K26/06 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , H01F41/02
摘要： Disclosed is a method for manufacturing stress-relief-annealing-resistant, low-iron-loss grain-oriented silicon steel, the method comprising: carrying out, by means of a pulse laser, scanning grooving on a single surface or two surfaces of a silicon steel sheet after cold rolling, or after decarburizing annealing, or after high temperature annealing or after hot stretching, temper rolling and annealing, and forming several grooves parallel with each other in a rolling direction of the silicon steel sheet, wherein a single pulse time width of the pulse laser is 100 ns or less, and a single pulse peak energy density is 0.05 J/cm2 or more; the energy density of a single scan of a single laser beam is 1 J/cm2 to 100 J/cm2; a beam spot of the pulse laser is a single beam spot or a combination of a plurality of beams spots, the shape of the beam spot is circular or elliptic, and the diameter of the beam spot in a scanning direction is 5 μm to 1 mm, and the diameter thereof in a direction perpendicular to the scanning direction is 5 μm to 300 μm; and when scanning grooving is carried out at the same position on the silicon steel sheet, the product of the number of beam spots of the pulse laser and the scan times is 5 or more.
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公开(公告)号：US10236105B2
公开(公告)日：2019-03-19
申请号：US14422991
申请日：2012-12-11
发明人： Huabing Zhang , Guobao Li , Xijiang Lu , Yongjie Yang , Zhuochao Hu , Kanyi Shen , Jiaqiang Gao , Meihong Wu
IPC分类号： C21D6/00 , C23C8/26 , H01F1/147 , C21D8/12 , C22C38/34 , C22C38/00 , C22C38/04 , C22C38/06 , C22C38/24 , C22C38/28 , H01F1/18 , C23F17/00 , C22C38/22 , C22C38/26 , C22C38/60
摘要： The invention relates to high magnetic induction oriented silicon steel and a preparation method thereof. The oriented silicon steel comprises the following chemical elements by weight percent: 0.035-0.120% of C, 2.9-4.5% of Si, 0.05-0.20% of Mn, 0.005-0.050% of P, 0.005-0.012% of S, 0.015-0.035% of Als, 0.001-0.010% of N, 0.05-0.30% of Cr, 0.005-0.090% of Sn, not more than 0.0100% of V, not more than 0.0100% of Ti, at least one of trace elements of Sb, Bi, Nb and Mo, and the balance of Fe and other inevitable impurities, wherein Sb+Bi+Nb+Mo is 0.0015-0.0250% and (Sb/121.8+Bi/209.0+Nb/92.9+Mo/95.9)/(Ti/47.9+V/50.9) ranges from 0.1 to 15.
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公开(公告)号：US11371111B2
公开(公告)日：2022-06-28
申请号：US16759787
申请日：2018-07-11
发明人： Feng Zhang , Xuejun Lv , Bo Wang , Baojun Liu , Zhenyu Zong , Kanyi Shen , Yezhong Sun
IPC分类号： C21D8/12 , C21D6/00 , C21D9/46 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/16
摘要： Disclosed are a non-oriented electrical steel sheet with excellent magnetic properties and a manufacturing method thereof, wherein the mass percentage of the chemical components thereof are: C: 0-0.005%; Si: 2.1-3.2%, Mn: 0.2-1.0%, P: 0-0.2%, Al: 0.2-1.6%, N: 0-0.005%, Ti: 0-0.005%, Cu: 0-0.2%, and the balance of Fe and inevitable impurities; and at the same time, (the S content for forming MnS+the S content for forming CuxS)/the S content in the steel is required to be less than or equal to 0.2. The process for manufacturing the non-oriented electrical steel sheet of the present invention is simple and convenient, the chemical components of the steel are easy to control, the manufacturing process is stable, and the technical requirements are easy to realize.
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5.发明公开公开(公告)号：US20230203613A1
公开(公告)日：2023-06-29
申请号：US17927165
申请日：2021-05-25
发明人： Feng Zhang , Kanyi Shen , Zhenyu Zong , Guobao Li , Xianshi Fang
CPC分类号： C21D8/1222 , C22C38/06 , C21C7/06 , C21D1/74 , C22C38/02 , C22C38/04 , C22C38/002 , C22C38/001 , C22C38/008 , C21D8/1233 , C21D9/46 , C21D2201/00
摘要： Disclosed is a low-cost non-oriented electrical steel plate with an extremely low aluminum content, which plate comprises the following chemical elements in percentage by mass: 0.003% or less of C, 0.1%-1.2% of Si, 0.1%-0.4% of Mn, 0.01%-0.2% of P, 0.003% or less of S, 0.001% or less of Al, 0.003%-0.01% of O, 0.003% or less of N, and 0.005%-0.05% of Sn, with the condition Si2/P: 0.89-26.04 being satisfied. In addition, further disclosed is a method for manufacturing the non-oriented electrical steel plate. The method comprises steps of: (1) smelting; (2) continuous casting; (3) hot rolling: wherein a hot rolled plate is subjected to soaking and heat preservation by means of residual heat of hot rolled steel coils, rather than being subjected to normalizing treatment or cover furnace annealing after coiling; (4) primary cold rolling; and (5) continuous annealing. In the non-oriented electrical steel plate of the present invention, reasonable chemical ingredients and process designs are used, and the non-oriented electrical steel plate not only has excellent economy, but also has the properties of high magnetic induction and low iron loss.
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公开(公告)号：US11638971B2
公开(公告)日：2023-05-02
申请号：US16496541
申请日：2018-01-24
发明人： Meihong Wu , Zipeng Zhao , Guobao Li , Kanyi Shen , Zhuochao Hu , Chen Ling , Huande Sun , Huabing Zhang
IPC分类号： B23K26/364 , B23K26/359 , B23K26/40 , C22C38/02 , B23K103/04
摘要： A grain-oriented silicon steel with low iron loss, wherein the silicon steel is provided with a plurality of grooves on its surface, each of the grooves is 10-60 μm in width and 5-40 μm in depth, and the spacing between adjacent grooves is 1-10 mm. The manufacturing method therefor comprises: scoring the surface of the grain-oriented silicon steel with low iron loss by using a laser in order to form the grooves. The grain-oriented silicon steel with low iron loss can maintain the magnetic domain refining effect in a stress-relief annealing process, and avoid the introduction of more residual stress.
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7.发明授权公开(公告)号：US11633808B2
公开(公告)日：2023-04-25
申请号：US16336095
申请日：2017-06-13
发明人： Zipeng Zhao , Changjun Hou , Banglin Xiang , Kanyi Shen , Guobao Li , Chen Ling , Weiyong Xie , Yanli Song
IPC分类号： B23K26/361 , C21D8/12 , C22C38/02 , H01F27/245 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/16
摘要： An oriented silicon steel product with a low iron loss for a low-noise transformer, and manufacturing method thereof are provided. The oriented silicon steel product comprises: a silicon steel substrate, a magnesium silicate bottom layer formed on a surface of the silicon steel substrate, and an insulation coating applied on the magnesium silicate bottom layer. The magnesium silicate bottom layer has a visible light normal reflectivity (R) of 40-60% for. By strictly controlling the visible light normal reflectivity of the magnesium silicate bottom layer of the silicon steel substrate and the evenness of the gloss of magnesium silicate bottom layer, lower iron loss, and reduced magnetostriction can be achieved, and thus a silicon steel product with low noise and particularly suitable for transformers can be obtained.
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公开(公告)号：US11608541B2
公开(公告)日：2023-03-21
申请号：US17040684
申请日：2019-03-25
发明人： Huabing Zhang , Shuangjie Chu , Guobao Li , Wen Xiao , Baojun Liu , Yongjie Yang , Kanyi Shen , Dan Han , Zhining Hu
摘要： Disclosed is a manufacturing method for a high silicon grain oriented electrical steel sheet, the silicon content of the high silicon grain oriented electrical steel is greater than 4 wt %, comprising the steps of: (1) performing decarburization annealing of a cold-rolled steel plate; (2) allowing high silicon alloy particles in a completely solid state to collide at a high speed with the surface of the decarburization annealed steel plate to be sprayed, thus forming a high silicon alloy coating on the surface of the steel plate to be sprayed; (3) coating a release agent and drying; and (4) annealing. The manufacturing method for the high silicon grain oriented electrical steel sheet of the present invention is inexpensive, and, the high silicon grain oriented electrical steel sheet produced is of stable quality and is provided with great magnetic performance.
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公开(公告)号：US09905361B2
公开(公告)日：2018-02-27
申请号：US14430463
申请日：2012-12-11
发明人： Kanyi Shen , Guobao Li , Shuangjie Chu , Yezhong Sun , Huabing Zhang , Yongjie Yang , Zhuochao Hu , Bin Zhao , Qi Xu , Jie Huang , Peili Zhang
IPC分类号： H01F41/02 , C21D8/12 , C22C38/04 , C22C38/00 , C22C38/02 , C22C38/06 , H01F1/18 , C21D3/04 , C21D6/00 , C23C8/26 , H01F1/147 , H01F41/32
CPC分类号： H01F41/02 , C21D3/04 , C21D6/008 , C21D8/12 , C21D8/1205 , C21D8/1222 , C21D8/1233 , C21D8/1261 , C21D8/1272 , C21D8/1277 , C21D8/1283 , C21D2201/05 , C22C38/001 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C23C8/26 , H01F1/14783 , H01F1/14791 , H01F1/18 , H01F41/32
摘要： A manufacturing method of oriented silicon steel with magnetic induction B8 of not less than 1.88 T, comprising the following steps: 1) smelting and continuous casting to obtain a slab, wherein the content of N is controlled at 0.002-0.014 wt % in the smelting stage; 2) hot-rolling; 3) cold-rolling; 4) decarbonizing and annealing; 5) nitriding treatment, wherein infiltrated nitrogen content [N]D is controlled to satisfy the formula: 328−0.14a−0.85b−2.33c≦[N]D≦362−0.16a−0.94b−2.57c, wherein a is the content of Als in the smelting step, with the unit of ppm; b is the content of N element, with the unit of ppm; and c is primary grains size, with the unit of μm; 6) coating a steel's surfaces with a magnesium oxide layer and annealing; and 7) applying an insulating coating.
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10.发明申请公开(公告)号：US20150255211A1
公开(公告)日：2015-09-10
申请号：US14430463
申请日：2012-12-11
发明人： Kanyi Shen , Guobao Li , Shuangjie Chu , Yezhong Sun , Huabing Zhang , Yongjie Yang , Zhuochao Hu , Bin Zhao , Qi Hu , Jie Huang , Peili Zhang
IPC分类号： H01F41/02 , C21D6/00 , C21D3/04 , C22C38/02 , C23C8/26 , C22C38/06 , C22C38/00 , H01F1/147 , H01F1/18 , H01F41/32 , C21D8/12 , C22C38/04
CPC分类号： H01F41/02 , C21D3/04 , C21D6/008 , C21D8/12 , C21D8/1205 , C21D8/1222 , C21D8/1233 , C21D8/1261 , C21D8/1272 , C21D8/1277 , C21D8/1283 , C21D2201/05 , C22C38/001 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C23C8/26 , H01F1/14783 , H01F1/14791 , H01F1/18 , H01F41/32
摘要： A manufacturing method of oriented silicon steel with magnetic induction B8 of not less than 1.88 T, comprising the following steps: 1) smelting and continuous casting to obtain a slab, wherein the content of N is controlled at 0.002-0.014 wt % in the smelting stage; 2) hot-rolling; 3) cold-rolling; 4) decarbonizing and annealing; 5) nitriding treatment, wherein infiltrated nitrogen content [N]D is controlled to satisfy the formula: 328−0.14a−0.85b−2.33c≦[N]D≦362−0.16a−0.94b−2.57c, wherein a is the content of Als in the smelting step, with the unit of ppm; b is the content of N element, with the unit of ppm; and c is primary grains size, with the unit of μm; 6) coating a steel's surfaces with a magnesium oxide layer and annealing; and 7) applying an insulating coating.
摘要翻译： 具有不低于1.88T的磁感应B8的取向硅钢的制造方法，包括以下步骤：1）熔炼和连铸以获得板坯，其中N的含量在熔炼中控制在0.002-0.014重量％ 阶段; 2）热轧; 3）冷轧; 4）脱碳退火; 5）氮化处理，其中渗透氮含量[N] D被控制以满足下式：328-0.14a-0.85b-2.33c＆nlE; [N] D＆nlE; 362-0.16a-0.94b-2.57c，其中a是 冶炼步骤中Al的含量，单位为ppm; b是N元素的含量，单位为ppm; c为初级晶粒尺寸，单位为μm; 6）用氧化镁层涂覆钢表面并退火; 和7）施加绝缘涂层。
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