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1. 发明申请

US20120285584A1 Manufacture Process Of Non-Oriented Silicon Steel With High Magnetic Induction 审中-公开
标题翻译：具有高磁感应的非定向硅钢的制造工艺
公开(公告)号：US20120285584A1
公开(公告)日：2012-11-15
申请号：US13492984
申请日：2012-06-11
申请人： Zitao Wang , Bo Wang , Shishu Xie , Bingzhong Jin , Aihua Ma , Liang Zou , Yuhua Zhu , Zhanyuan Hu , Xiao Chen
发明人： Zitao Wang , Bo Wang , Shishu Xie , Bingzhong Jin , Aihua Ma , Liang Zou , Yuhua Zhu , Zhanyuan Hu , Xiao Chen
IPC分类号： C21D8/00
CPC分类号： C22C38/00 , C21D1/00 , C21D6/008 , C21D8/00 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , H01F1/16
摘要： A manufacture process of non-oriented silicon steel with high magnetic induction includes smelting and casting steel having a chemical composition by weight percent: Si 0.1˜1%, Al 0.005˜1.0%, C≦0.004%, Mn=0.10˜1.50%, P≦0.2%, S≦0.005%, N≦0.002, Nb+V+Ti≦0.006%, and the rest is Fe. The steel is cast into a billet, which is heated and hot-rolled to 1150˜1200° C. into a plate at a finish-rolling temperature 830˜900° C. The plate is cooled to a temperature ≧570° C. and cold-roll flattened at compression ratio 2˜5%. The flattened plate is normalized at temperature not below 950° C. for 30˜180s, and then pickled and cold-rolled into a sheet with thickness of the finished product. The sheet is finish-annealed quickly heating the sheet to 800˜1000° C. at temperature rise rate ≧100° C./s, soaking the heated sheet for 5˜60s at the temperature, and then slowly cooling the sheet to 600˜750° C.
摘要翻译：具有高磁感应性的非取向硅钢的制造方法包括以重量％计的化学组成的熔炼和铸造钢：Si 0.1〜1％，Al 0.005〜1.0％，C n N eE 0.004％，Mn = 0.10〜1.50％ Pnn; 0.2％，S＆NlE; 0.005％，N＆amp; NlE; 0.002，Nb + V + Ti＆NlE; 0.006％，其余为Fe。钢被铸造成坯料，将其在830〜900℃的精轧温度下进行加热并热轧至1150〜1200℃。将板冷却至570℃以上的温度，冷轧压扁比为2〜5％。将扁平板在不低于950℃的温度下归一化30至180秒，然后酸洗并冷轧成具有成品厚度的片材。该片材经过完全退火，将片材快速加热至800〜1000℃，升温速度≥100℃/ s，在加热的温度下浸泡5〜60s，然后缓慢冷却至600〜 750°C

2. 发明申请

US20150034212A1 Non-Oriented Electrical Steel Sheet with Fine Magnetic Performance, and Calcium Treatment Method Therefor 审中-公开
标题翻译：具有细磁性能的非取向电工钢板及其钙处理方法
公开(公告)号：US20150034212A1
公开(公告)日：2015-02-05
申请号：US14379529
申请日：2012-03-27
申请人： Feng Zhang , Xiandong Liu , Shishu Xie , Xuejun Lu , Xiao Chen , Aihua Ma , Peili Zhang , Yanwei Wang , Lan Zhang , Hongxu Hei
发明人： Feng Zhang , Xiandong Liu , Shishu Xie , Xuejun Lu , Xiao Chen , Aihua Ma , Peili Zhang , Yanwei Wang , Lan Zhang , Hongxu Hei
IPC分类号： H01F1/147 , C21C7/068 , C22C38/00 , C22C38/06 , C22C38/04 , C22C38/02 , C21C7/06 , C21C7/00
CPC分类号： H01F1/14775 , C21C7/0006 , C21C7/06 , C21C7/068 , C21C7/10 , C21D8/12 , C21D9/46 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , H01F1/14766 , H01F1/14791 , H01F1/16
摘要： A non-oriented electrical steel sheet with fine magnetic performance, and a calcium treatment method therefor, including an RH (Ruhrstahl-Heraeus) refinement step. The RH refinement step sequentially comprises a decarbonization step, an aluminum deoxidation step, and a step of adding calcium alloy. In the step of adding calcium alloy, time when the calcium alloy is added satisfies the following condition: time interval between Al and Ca/total time after ΣAl=0.2-0.8. In this method, production cost is reduced, the production process is simple, a normal processing cycle of RH refinement is not affected, the device is convenient in operation and is controllable, and foreign substances are controllable in both shape and quantities. The non-oriented electrical steel sheet prepared according to the present invention has fine magnetic performance, and the method can be used for mass production of the non-oriented electrical steel sheet with fine magnetic performance.
摘要翻译：一种具有细磁性能的无取向电工钢板及其钙处理方法，包括RH（Ruhrstahl-Heraeus）精制步骤。 RH精炼步骤依次包括脱碳步骤，铝脱氧步骤和添加钙合金的步骤。在添加钙合金的步骤中，添加钙合金的时间满足以下条件：Al与Ca之间的时间间隔/ Al = 0.2-0.8之后的总时间。在这种方法中，生产成本降低，生产工艺简单，RH精加工的正常加工周期不受影响，设备操作方便，可控，异物在形状和数量上都是可控的。根据本发明制备的无取向电工钢板具有优良的磁性能，并且该方法可用于批量生产具有优良磁性能的无方向性电工钢板。

3. 发明授权

US10147528B2 Non-oriented electrical steel sheet with fine magnetic performance, and calcium treatment method therefor 有权
公开(公告)号：US10147528B2
公开(公告)日：2018-12-04
申请号：US14379529
申请日：2012-03-27
申请人： Feng Zhang , Xiandong Liu , Shishu Xie , Xuejun Lu , Xiao Chen , Aihua Ma , Peili Zhang , Yanwei Wang , Lan Zhang , Hongxu Hei
发明人： Feng Zhang , Xiandong Liu , Shishu Xie , Xuejun Lu , Xiao Chen , Aihua Ma , Peili Zhang , Yanwei Wang , Lan Zhang , Hongxu Hei
IPC分类号： H01F1/147 , C21C7/10 , C22C38/06 , C22C38/00 , C22C38/02 , C22C38/04 , C21D8/12 , C21D9/46 , C21C7/06 , H01F1/16 , C21C7/00 , C21C7/068
摘要： A non-oriented electrical steel sheet with fine magnetic performance, and a calcium treatment method therefor, including an RH (Ruhrstahl-Heraeus) refinement step. The RH refinement step sequentially comprises a decarbonization step, an aluminum deoxidation step, and a step of adding calcium alloy. In the step of adding calcium alloy, time when the calcium alloy is added satisfies the following condition: time interval between Al and Ca/total time after ΣAl=0.2-0.8. In this method, production cost is reduced, the production process is simple, a normal processing cycle of RH refinement is not affected, the device is convenient in operation and is controllable, and foreign substances are controllable in both shape and quantities. The non-oriented electrical steel sheet prepared according to the present invention has fine magnetic performance, and the method can be used for mass production of the non-oriented electrical steel sheet with fine magnetic performance.

4. 发明授权

US09738946B2 Method for producing silicon steel normalizing substrate 有权
公开(公告)号：US09738946B2
公开(公告)日：2017-08-22
申请号：US14379595
申请日：2012-03-27
申请人： Hongxu Hei , Xiao Chen , Xiandong Liu , Shishu Xie , Dejun Su , Runjie Lin , Peili Zhang , Rongqiang Jiang , Miao Ye
发明人： Hongxu Hei , Xiao Chen , Xiandong Liu , Shishu Xie , Dejun Su , Runjie Lin , Peili Zhang , Rongqiang Jiang , Miao Ye
IPC分类号： C21D8/12 , C21D1/28 , C21D1/34 , H01F41/00 , C21D9/56
CPC分类号： C21D8/1261 , C21D1/28 , C21D1/34 , C21D9/561 , H01F41/00
摘要： A method for producing a silicon steel normalizing substrate comprises steelmaking, hot rolling and normalizing steps. A normalizing furnace is used in the normalizing step, and along a moving direction of strip steel, the normalizing furnace sequentially comprises: a preheating section, a nonoxidizing heating section, a furnace throat, furnace sections for subsequent normalizing processing, and a delivery seal chamber. Furnace pressures of the normalizing furnace are distributed as follows: the furnace pressure of a downstream furnace section adjacent to the furnace throat along the moving direction of the strip steel is the highest, the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an inlet direction of the normalizing furnace, and the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an outlet direction of the normalizing furnace.

5. 发明授权

US09406416B2 Method of producing extremely thick insulation coating on surface of electrical steel 有权
标题翻译：在电工钢表面生产极厚绝缘涂层的方法
公开(公告)号：US09406416B2
公开(公告)日：2016-08-02
申请号：US14348357
申请日：2011-12-14
申请人： Yongqiang Lu , Chunguo Lv , Zhicheng Wang , Bin Chen , Xiao Chen , Shishu Xie
发明人： Yongqiang Lu , Chunguo Lv , Zhicheng Wang , Bin Chen , Xiao Chen , Shishu Xie
IPC分类号： H01B13/06 , B05C9/04 , H01B13/00 , B05D1/28 , C09D5/08 , B05D7/14 , H01F1/18 , B05D3/02 , B05D3/04
CPC分类号： H01B13/06 , B05C9/04 , B05D1/28 , B05D3/0272 , B05D3/0413 , B05D7/14 , B05D2202/10 , B05D2252/10 , C09D5/08 , C09D5/084 , H01B13/0016 , H01F1/18
摘要： A method of producing an extremely thick insulation coating on a surface of an electrical steel, comprises the following steps: 1) preparing a coating liquid—stirring sufficiently the coating liquid for 0.1˜4 hours, with the viscosity of the coating liquid being within 10˜80 S; 2) coating a strip steel—using a double-roller or a tri-roller coating machine, wherein the film thickness and evenness can be controlled by adjusting different parameters; 3) baking the coating—using three sections, that is, a drying section, a baking section and a cooling section, to bake the coating, wherein the temperature in the drying section is 100˜400° C., the temperature in the baking section is 200˜370° C.; the time in the whole drying and solidification section is 33˜144 seconds, wherein the time in the drying section is 9˜39 seconds, and the baking time is 24˜105 seconds; wherein in the baking process, the strip steel having been coated is conveyed in a non-contact way, in particular, the strip steel is conveyed by blowing pressure-adjustable air onto the lower surface to make it float; the air pressure is 0˜2000 Pa; the wet film is kept out of contact with the furnace rollers before it is solidified, guaranteeing that the surface of wet film is intact; 4) online detecting the film thickness.
摘要翻译：一种在电工钢表面制造极厚绝缘涂层的方法，包括以下步骤：1）将涂布液充分搅拌0.1〜4小时，涂布液的粘度在10以下〜80 S; 2）使用双辊或三辊涂布机涂覆钢带钢，其中膜厚度和均匀度可以通过调节不同的参数来控制; 3）烘烤涂覆使用的三个部分，即干燥部分，烘烤部分和冷却部分，以烘烤涂层，其中干燥部分的温度为100〜400℃，烘烤温度截面为200〜370℃。整个干燥固化段的时间为33〜144秒，干燥段的时间为9〜39秒，烘烤时间为24〜105秒; 其特征在于，在烘烤工序中，以非接触的方式输送已经被涂布的带状钢，特别是通过将压力可调节的空气吹到下表面上而使其浮起来输送带状钢; 气压0〜2000Pa; 湿膜在凝固之前与炉辊保持脱离接触，保证湿膜的表面完整无损; 4）在线检测薄膜厚度。

6. 发明申请

US20150064343A1 METHOD OF PRODUCING EXTREMELY THICK INSULATION COATING ON SURFACE OF ELECTRICAL STEEL 有权
标题翻译：在电工钢表面生产超细厚度绝缘涂层的方法
公开(公告)号：US20150064343A1
公开(公告)日：2015-03-05
申请号：US14348357
申请日：2011-12-14
申请人： Yongqiang Lu , Chunguo Lv , Zhicheng Wang , Bin Chen , Xiao Chen , Shishu Xie
发明人： Yongqiang Lu , Chunguo Lv , Zhicheng Wang , Bin Chen , Xiao Chen , Shishu Xie
IPC分类号： H01B13/06 , H01B13/00
CPC分类号： H01B13/06 , B05C9/04 , B05D1/28 , B05D3/0272 , B05D3/0413 , B05D7/14 , B05D2202/10 , B05D2252/10 , C09D5/08 , C09D5/084 , H01B13/0016 , H01F1/18
摘要： A method of producing an extremely thick insulation coating on a surface of an electrical steel, comprises the following steps: 1) preparing a coating liquid—stirring sufficiently the coating liquid for 0.1˜4 hours, with the viscosity of the coating liquid being within 10˜80 S; 2) coating a strip steel—using a double-roller or a tri-roller coating machine, wherein the film thickness and evenness can be controlled by adjusting different parameters; 3) baking the coating—using three sections, that is, a drying section, a baking section and a cooling section, to bake the coating, wherein the temperature in the drying section is 100˜400° C., the temperature in the baking section is 200˜370° C.; the time in the whole drying and solidification section is 33˜144 seconds, wherein the time in the drying section is 9˜39 seconds, and the baking time is 24˜105 seconds; wherein in the baking process, the strip steel having been coated is conveyed in a non-contact way, in particular, the strip steel is conveyed by blowing pressure-adjustable air onto the lower surface to make it float; the air pressure is 0˜2000 Pa; the wet film is kept out of contact with the furnace rollers before it is solidified, guaranteeing that the surface of wet film is intact; 4) online detecting the film thickness.
摘要翻译：一种在电工钢表面制造极厚绝缘涂层的方法，包括以下步骤：1）将涂布液充分搅拌0.1〜4小时，涂布液的粘度在10以下〜80 S; 2）使用双辊或三辊涂布机涂覆钢带钢，其中膜厚度和均匀度可以通过调节不同的参数来控制; 3）烘烤涂布使用的三个部分，即干燥部分，烘烤部分和冷却部分，以烘烤涂层，其中干燥部分中的温度为100〜400℃，烘烤温度截面为200〜370℃。整个干燥固化段的时间为33〜144秒，干燥段的时间为9〜39秒，烘烤时间为24〜105秒; 其特征在于，在烘烤工序中，以非接触的方式输送已经被涂布的带状钢，特别是通过将压力可调节的空气吹到下表面上而使其浮起来输送带状钢; 气压0〜2000Pa; 湿膜在凝固之前与炉辊保持脱离接触，保证湿膜的表面完整无损; 4）在线检测薄膜厚度。

7. 发明申请

US20150013846A1 Method for Producing Silicon Steel Normalizing Substrate 有权
标题翻译：生产硅钢标准化基板的方法
公开(公告)号：US20150013846A1
公开(公告)日：2015-01-15
申请号：US14379595
申请日：2012-03-27
申请人： Hongxu Hei , Xiao Chen , Xiandong Liu , Shishu Xie , Dejun Su , Runjie Lin , Peili Zhang , Rongqiang Jiang , Miao Ye
发明人： Hongxu Hei , Xiao Chen , Xiandong Liu , Shishu Xie , Dejun Su , Runjie Lin , Peili Zhang , Rongqiang Jiang , Miao Ye
IPC分类号： C21D8/12 , C21D1/34 , H01F41/00
CPC分类号： C21D8/1261 , C21D1/28 , C21D1/34 , C21D9/561 , H01F41/00
摘要： A method for producing a silicon steel normalizing substrate comprises steelmaking, hot rolling and normalizing steps. A normalizing furnace is used in the normalizing step, and along a moving direction of strip steel, the normalizing furnace sequentially comprises: a preheating section, a nonoxidizing heating section, a furnace throat, furnace sections for subsequent normalizing processing, and a delivery seal chamber. Furnace pressures of the normalizing furnace are distributed as follows: the furnace pressure of a downstream furnace section adjacent to the furnace throat along the moving direction of the strip steel is the highest, the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an inlet direction of the normalizing furnace, and the furnace pressure decreases gradually from the furnace section with the highest furnace pressure to a furnace section in an outlet direction of the normalizing furnace.
摘要翻译：一种硅钢标准化衬底的制造方法包括炼钢，热轧和归一化步骤。在归一化步骤中使用归一化炉，并且沿着带钢的移动方向，归一化炉依次包括：预热部，非氧化加热部，炉喉，随后的标准化处理的炉部，以及输送密封室。归一化炉的炉压分布如下：沿钢带移动方向与炉喉相邻的下游炉段的炉膛压力最高，炉膛压力从炉膛最高炉膛压力逐渐降低到归一化炉的入口方向的炉段，并且炉压力从具有最高炉压的炉段逐渐降低到归一化炉的出口方向的炉段。

8. 发明申请

US20120318411A1 COLD ROLLED ELECTROMAGNETIC STEEL SHEET USED FOR RAPID CYCLING SYNCHROTRON AND PRODUCING METHOD THEREOF 审中-公开
标题翻译：用于快速循环同步电动机的冷轧电磁钢板及其制造方法
公开(公告)号：US20120318411A1
公开(公告)日：2012-12-20
申请号：US13520405
申请日：2011-04-13
申请人： Lingfeng Chen , Xiao Chen , Zhanyuan Hu
发明人： Lingfeng Chen , Xiao Chen , Zhanyuan Hu
IPC分类号： C21D8/12 , H01F1/01
CPC分类号： C21D8/1233 , C21D8/12 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06
摘要： A cold rolled electromagnetic steel sheet for rapid cycling synchrotron, and a manufacturing method thereof, the method includes the steps of 1) smelting and casting, the composition of the cold rolled electromagnetic steel sheet is C 0.001-0.003 wt %, Si 0.60%-0.90 wt %, Mn 0.40%-0.70 wt %, P≦0.04 wt %, Al 0.60-0.80 wt %, S≦0.0035 wt %, N≦0.003 wt %, and the rest is Fe; smelting and RH refining, and then casting to form semi-finished product; 2) hot rolling; 3) normalizing, in which the normalizing temperature is controlled between 960° C.-980° C., and the normalizing time is 30-60 sec; 4) pickling and cold rolling; 5) annealing, wherein the annealing temperature is controlled to be between 850° C.-870° C., and the annealing time is 13-15 sec; 6) obtaining non-oriented silicon steel product after coating. The cold rolled electromagnetic steel sheet of the present invention has low coercivity, specifically in case that the magnetizing intense returns to zero after reaching 10 Oersted (Oe), the coercivity of the material is Hc≦79.6 A/m; high magnetic induction, which is B50≧1.75 T; and low iron losses of P15/50≦4.2 W/kg, and the iron losses after strain-annealing is P15/50≦3.5 W/kg.
摘要翻译：一种用于快速循环同步加速器的冷轧电磁钢板及其制造方法，其特征在于，包括以下步骤：1）熔融铸造，冷轧电磁钢板的组成为0.001-0.003重量％，Si 0.60〜 0.90重量％，Mn 0.40重量％-0.70重量％，P＆lt; L; 0.04重量％，Al 0.60-0.80重量％，S＆amp; NEE; 0.0035重量％，N＆lt; 1E; 0.003重量％，其余为Fe; 冶炼和RH精炼，然后铸造形成半成品; 2）热轧; 3）归一化，其中归一化温度控制在960℃-980℃之间，标准化时间为30-60秒; 4）酸洗和冷轧; 5）退火，其中退火温度控制在850℃-870℃之间，退火时间为13-15秒; 6）涂布后获得无取向硅钢产品。本发明的冷轧电磁钢板具有低的矫顽力，特别是在达到10奥斯特（Oe）后，磁化强度恢复到零的情况下，材料的矫顽力为Hc＆nlE; 79.6A / m; 高磁感应，B50≥1.5T; P15 / 50＆NlE低铁损; 4.2W / kg，应变退火后的铁损为P15 / 50＆nlE; 3.5W / kg。

9. 发明授权

US09761342B2 Method of preparing silver-based oxide electrical contact materials with fiber-like arrangement 有权
公开(公告)号：US09761342B2
公开(公告)日：2017-09-12
申请号：US13578253
申请日：2011-04-11
申请人： Lesheng Chen , Xiao Chen , Gengxin Qi , Chengfa Mu
发明人： Lesheng Chen , Xiao Chen , Gengxin Qi , Chengfa Mu
IPC分类号： B22F3/04 , B22F3/20 , H01B1/02 , C22C5/06 , H01H1/0237 , B22F3/24 , B22F3/10 , B22F3/14 , C22C1/10
CPC分类号： H01B1/02 , B22F3/04 , B22F3/10 , B22F3/14 , B22F3/20 , B22F3/24 , C22C1/1078 , C22C1/1084 , C22C5/06 , H01H1/0237 , H01H1/02372 , H01H1/02374 , H01H1/02376
摘要： A method of preparing silver-based oxide electrical contact materials with fiber-like arrangement, includes the following steps of: (1) uniformly mixing the silver-metal alloy powders and graphite powders and then ball-milling; (2) internally oxidizing the ball-milled powders; (3) sieving; (4) placing the sieved powders and the matrix powders into the powder mixer for mixing; (5) cold-isostatically pressing; (6) sintering; (7) hot-pressing; and (8) hot-extruding, thereby obtaining the silver-based oxide electrical contact material with fiber-like arrangement. The method of the present invention can obtain the silver-based oxide electrical contact material having neat fiber-like arrangement with no specific requirement on processing deformation, plasticity and ductility of the reinforcing phase. The production process in this method is simple and is easy to operate. Besides, there is no particular requirement on the equipment. The method greatly improves the performance of contact materials in aspects of resistance to welding and arc erosion, conductivity, and processing performance.

10. 发明授权

US09293270B2 Method of preparing Ag-based oxide contact materials with directionally arranged reinforcing particles 有权
标题翻译：用定向排列的增强颗粒制备Ag基氧化物接触材料的方法
公开(公告)号：US09293270B2
公开(公告)日：2016-03-22
申请号：US13577897
申请日：2011-04-11
申请人： Lesheng Chen , Xiao Chen , Gengxin Qi , Chengfa Mu
发明人： Lesheng Chen , Xiao Chen , Gengxin Qi , Chengfa Mu
IPC分类号： B22F3/20 , H01H1/0237 , C22C5/06 , C22C32/00 , B22F3/04 , B22F3/10 , B22F3/14 , C22C1/04 , C22C49/02 , C22C49/14
CPC分类号： H01H1/0237 , B22F3/04 , B22F3/10 , B22F3/14 , B22F3/20 , C22C1/0466 , C22C5/06 , C22C32/0021 , C22C49/02 , C22C49/14 , H01H1/02372 , H01H1/02374 , H01H1/02376 , Y10T428/249921
摘要： In the present invention, a method of preparing Ag-based oxide contact materials with directionally arranged reinforcing particles is disclosed, comprising steps of: a) preparing evenly dispersed composite powders by chemical co-precipitation method combining with roasting, b) granulating the composite powders by high energy ball milling, and sieving the powders, c) mixing the powders and Ag matrix in a powder mixing machine, d) cold isostatic pressing, e) sintering, f) hot-pressing, g) hot-extruding to obtain Ag-based oxide contact materials with directionally arranged reinforcing particles. This method can obtain particle reinforced Ag-based material with good electrical performance even when the reinforced (oxide) particles are very small. This method is simple, easy to operate, and does not require special equipment. The resistance to welding and arc erosion, electric conductivity and the processability of the material prepared through this present invention can be greatly improved.
摘要翻译：在本发明中，公开了一种制备具有定向配置的增强粒子的Ag系氧化物接触材料的方法，包括以下步骤：a）通过与焙烧结合的化学共沉淀法制备均匀分散的复合粉末，b）将复合粉末通过高能球磨和筛分粉末，c）将粉末和Ag基质混合在粉末混合机中，d）冷等静压，e）烧结，f）热压，g）热挤压以获得Ag- 具有定向排列的增强颗粒的氧化物接触材料。该方法可以获得具有良好电性能的颗粒增强的Ag基材料，即使当增强（氧化物）颗粒非常小时。该方法简单，操作方便，不需要特殊设备。通过本发明制备的材料的耐焊接性和电弧腐蚀性，导电性和加工性能可以大大提高。

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