公开(公告)号：US20110139313A1

公开(公告)日：2011-06-16

申请号：US12934897

申请日：2009-03-25

申请人： Guohua Yang ,  Huande Sun ,  Yaming Ji ,  Guobao Li ,  Hongxu Hei

发明人： Guohua Yang ,  Huande Sun ,  Yaming Ji ,  Guobao Li ,  Hongxu Hei

IPC分类号： C21D8/00 ,  C21D6/00

CPC分类号： C22C38/02 ,  C21D1/26 ,  C21D3/04 ,  C21D6/008 ,  C21D8/02 ,  C21D8/0278 ,  C21D8/0284 ,  C21D8/12 ,  C21D8/1233 ,  C21D8/1255 ,  C21D8/1266 ,  C21D8/1283 ,  C21D9/46 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06 ,  C22C38/16

摘要： A manufacturing method of oriented Si steel with high electric-magnetic property comprises the following steps: smelting steel in converter or electric furnace; refining molten steel in two stages; continuous casting to obtain slab; hot rolling; first cold rolling; decarburizing annealing; secondary cold rolling; applying an annealing separator based on MgO and annealing at high temperature; applying an insulating coating and leveling tension annealing. The slab comprises (in wt %): C 0.020-0.050%, Si 2.6-3.6%, S 0.015-0.025%, Als 0.008-0.028%, N 0.005-0.020%, Mn 0.15-0.5%, Cu 0.3-1.2%, balance Fe and inevitable impurities, in which 10≦Mn/S≦20 and Cu/Mn≧2. The method could produce oriented Si steel with high magnetic induction intensity and low iron loss at low cost.

摘要翻译： 具有高电磁性能的取向Si钢的制造方法包括以下步骤：在转炉或电炉中冶炼钢; 两级精炼钢水; 连续铸造获得板坯; 热轧; 第一次冷轧; 脱碳退火; 二次冷轧; 应用基于MgO的退火分离器和高温退火; 施加绝缘涂层和流平张力退火。 板坯包含（重量％）：C 0.020-0.050％，Si 2.6-3.6％，S 0.015-0.025％，Als 0.008-0.028％，N 0.005-0.020％，Mn 0.15-0.5％，Cu 0.3-1.2％ 平衡Fe和不可避免的杂质，其中10＆nlE; Mn / S＆NlE; 20和Cu /Mn≥2。 该方法可以以低成本制造具有高磁感应强度和低铁损的取向Si钢。

公开(公告)号：US08333846B2

公开(公告)日：2012-12-18

申请号：US12934897

申请日：2009-03-25

申请人： Guohua Yang ,  Huande Sun ,  Yaming Ji ,  Guobao Li ,  Hongxu Hei

发明人： Guohua Yang ,  Huande Sun ,  Yaming Ji ,  Guobao Li ,  Hongxu Hei

IPC分类号： H01F1/147

CPC分类号： C22C38/02 ,  C21D1/26 ,  C21D3/04 ,  C21D6/008 ,  C21D8/02 ,  C21D8/0278 ,  C21D8/0284 ,  C21D8/12 ,  C21D8/1233 ,  C21D8/1255 ,  C21D8/1266 ,  C21D8/1283 ,  C21D9/46 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06 ,  C22C38/16

摘要： A manufacturing method of oriented Si steel with high electric-magnetic property comprises the following steps: smelting steel in converter or electric furnace; refining molten steel in two stages; continuous casting to obtain slab; hot rolling; first cold rolling; decarburizing annealing; secondary cold rolling; applying an annealing separator based on MgO and annealing at high temperature; applying an insulating coating and leveling tension annealing. The slab comprises (in wt %): C 0.020-0.050%, Si 2.6-3.6%, S 0.015-0.025%, Als 0.008-0.028%, N 0.005-0.020%, Mn 0.15-0.5%, Cu 0.3-1.2%, balance Fe and inevitable impurities, in which 10≦Mn/S≦20 and Cu/Mn≧2. The method could produce oriented Si steel with high magnetic induction intensity and low iron loss at low cost.

摘要翻译： 具有高电磁性能的取向Si钢的制造方法包括以下步骤：在转炉或电炉中冶炼钢; 两级精炼钢水; 连续铸造获得板坯; 热轧; 第一次冷轧; 脱碳退火; 二次冷轧; 应用基于MgO的退火分离器和高温退火; 施加绝缘涂层和流平张力退火。 板坯包含（重量％）：C 0.020-0.050％，Si 2.6-3.6％，S 0.015-0.025％，Als 0.008-0.028％，N 0.005-0.020％，Mn 0.15-0.5％，Cu 0.3-1.2％ 平衡Fe和不可避免的杂质，其中10＆nlE; Mn / S＆NlE; 20和Cu /Mn≥2。 该方法可以以低成本制造具有高磁感应强度和低铁损的取向Si钢。

公开(公告)号：US08231739B2

公开(公告)日：2012-07-31

申请号：US13058073

申请日：2009-04-24

申请人： Yaming Ji ,  Huande Sun ,  Guohua Yang ,  Yongjie Yang ,  Yunpeng Xu ,  Changguo Huang ,  Guobao Li

发明人： Yaming Ji ,  Huande Sun ,  Guohua Yang ,  Yongjie Yang ,  Yunpeng Xu ,  Changguo Huang ,  Guobao Li

IPC分类号： H01F1/147

CPC分类号： C22C38/04 ,  C21D1/26 ,  C21D6/008 ,  C21D8/02 ,  C21D8/12 ,  C21D8/1233 ,  C21D8/1255 ,  C21D8/1266 ,  C21D8/1283 ,  C21D10/005 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06 ,  C22C38/16

摘要： A method of manufacturing oriented Si steel containing Cu with high electric-magnetic property comprises: hot rolling slab; after first cold rolling, heating it to 800° C. or higher temperature and performing intermediate decarburization annealing in a protective atmosphere with PH2O/PH2 of 0.50˜0.88 for 3-8 minutes, to decrease carbon content of the steel plate to less than 30 ppm; then peening and acid-pickling to remove oxide of Fe on surface and to control oxygen content to lower than 500 ppm; secondary cold rolling to final thickness and coating separation agent in water-slurry form; drying to decrease water content to lower than 1.5%; high-temperature annealing in a protective atmosphere containing hydrogen with oxidation degree (PH2O/PH2) of 0.0001-0.2; finally applying a tension coating and leveling tension annealing.

摘要翻译： 含有具有高电磁性能的Cu的取向Si钢的方法包括：热轧板; 在第一次冷轧后，加热到800℃或更高的温度，并在保护气氛中进行中间脱碳退火，PH2O / PH2为0.50〜0.88，3-8分钟，将钢板的碳含量降低到30 ppm; 然后进行喷丸和酸洗以除去表面上的Fe的氧化物，并控制氧含量低于500ppm; 二次冷轧至最终厚度，涂层分离剂为水浆形式; 干燥以减少含水量低于1.5％; 在含氢氧化程度（PH2O / PH2）为0.0001-0.2的保护气氛中进行高温退火; 最后施加张力涂层和流平张力退火。

公开(公告)号：US20130292005A1

公开(公告)日：2013-11-07

申请号：US13880278

申请日：2011-04-14

申请人： Zipeng Zhao ,  Yaming Ji ,  Yongjie Yang ,  Guobao Li ,  Dengfeng Li ,  Yunpeng Xu

发明人： Zipeng Zhao ,  Yaming Ji ,  Yongjie Yang ,  Guobao Li ,  Dengfeng Li ,  Yunpeng Xu

IPC分类号： C21D1/70

CPC分类号： C21D1/70 ,  C21D1/26 ,  C21D1/68 ,  C21D3/04 ,  C21D8/12 ,  C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/16 ,  H01F1/16

摘要： An annealing separator for manufacturing grain-oriented silicon steel with mirror-like surface having good magnetic performance consists of the composition of which is 77˜98 by wt % of Al2O3 powder, 1˜8 by wt % of alkaline earth powder, 1˜15 by wt % of alkali metal chloride and/or alkaline earth metal chloride. The annealing separator of the invention can avoid forming a glass-film undercoating on the surface of the steel sheet during high-temperature annealing, and at the same time, the oxide embedded at near-surface of the sheet is removed by means of corrosive reaction of the chloride, so that a produce with smooth surface and stable magnetic performance is obtained.

摘要翻译： 用于制造具有良好磁性能的镜面状的晶粒取向硅钢的退火分离剂组成为Al2O3粉末的77〜98重量％，碱土金属粉末1〜8重量％，碱土金属粉末1〜 的碱金属氯化物和/或碱土金属氯化物。 本发明的退火分离装置可以避免在高温退火时在钢板的表面上形成玻璃膜底涂层，同时通过腐蚀反应除去嵌入片材近表面的氧化物 的氯化物，从而获得具有光滑表面和稳定磁性能的产品。

公开(公告)号：US20130203896A1

公开(公告)日：2013-08-08

申请号：US13818258

申请日：2011-04-13

申请人： Yunpeng Xu ,  Yongjie Yang ,  Dengfeng Li ,  Yaming Ji ,  Zipeng Zhao ,  Lingyun Chen ,  Xiao Chen ,  Jie Huang

发明人： Yunpeng Xu ,  Yongjie Yang ,  Dengfeng Li ,  Yaming Ji ,  Zipeng Zhao ,  Lingyun Chen ,  Xiao Chen ,  Jie Huang

IPC分类号： C09D5/00

CPC分类号： C09D5/00 ,  C09D5/084 ,  C09D7/61 ,  C09D163/00 ,  H01B3/40

摘要： The present invention refers to a chromium-free insulation coating material for non-oriented silicon steel, comprising, in parts by weight, the following components: metal dihydrogen phosphate salt of 100 parts, epoxy resin of 10˜60 parts, naphthenate drier or isooctanoate metal salt drier of 0.001˜10 parts, organic solvent of 0.001˜100 parts and pure water of 60˜2000 parts. The metal dihydrogen phosphate salt is Al(H2PO4)3, Mg(H2PO4)2, Ca(H2PO4)2 or Zn(H2PO4)2; the epoxy resin is water-soluble epoxy resin or epoxy resin emulsion. Chromium-free insulation coating material of the present invention, after being coated on non-oriented silicon steel, renders highly transparent appearance, and has excellent insulativity, corrosion resistance, adhesiveness, weldability and manufacturability, so as to eliminate defects of the existing chromium-free coating, such as sticky and un-wear-resistant and to meet environment protection requirements.

摘要翻译： 本发明涉及一种用于非取向硅钢的无铬绝缘涂层材料，其包含以重量份计的以下组分：100份的金属二氢磷酸盐，10〜60份的环氧树脂，环烷酸盐干燥剂或异辛酸酯 金属盐干燥剂为0.001〜10份，有机溶剂为0.001〜100份，纯水为60〜2000份。 磷酸金属盐为Al（H 2 PO 4）3，Mg（H 2 PO 4）2，Ca（H 2 PO 4）2或Zn（H 2 PO 4）2; 环氧树脂是水溶性环氧树脂或环氧树脂乳液。 本发明的无铬绝缘涂层材料涂覆在非取向硅钢上后，外观高透明，绝缘性，耐腐蚀性，粘合性，焊接性和可制造性优异，从而消除了现有的铬 - 自由涂层，如粘性和不耐磨损，符合环保要求。

公开(公告)号：US09334405B2

公开(公告)日：2016-05-10

申请号：US13818258

申请日：2011-04-13

申请人： Yunpeng Xu ,  Yongjie Yang ,  Dengfeng Li ,  Yaming Ji ,  Zipeng Zhao ,  Lingyun Chen ,  Xiao Chen ,  Jie Huang

发明人： Yunpeng Xu ,  Yongjie Yang ,  Dengfeng Li ,  Yaming Ji ,  Zipeng Zhao ,  Lingyun Chen ,  Xiao Chen ,  Jie Huang

IPC分类号： C09D5/00 ,  C09D5/08 ,  C09D7/12 ,  C09D163/00 ,  H01B3/40

CPC分类号： C09D5/00 ,  C09D5/084 ,  C09D7/61 ,  C09D163/00 ,  H01B3/40

摘要： The present invention refers to a chromium-free insulation coating material for non-oriented silicon steel, comprising, in parts by weight, the following components: metal dihydrogen phosphate salt of 100 parts, epoxy resin of 10˜60 parts, naphthenate drier or isooctanoate metal salt drier of 0.001˜10 parts, organic solvent of 0.001˜100 parts and pure water of 60˜2000 parts. The metal dihydrogen phosphate salt is Al(H2PO4)3, Mg(H2PO4)2, Ca(H2PO4)2 or Zn(H2PO4)2; the epoxy resin is water-soluble epoxy resin or epoxy resin emulsion. Chromium-free insulation coating material of the present invention, after being coated on non-oriented silicon steel, renders highly transparent appearance, and has excellent insulativity, corrosion resistance, adhesiveness, weldability and manufacturability, so as to eliminate defects of the existing chromium-free coating, such as sticky and un-wear-resistant and to meet environment protection requirements.

摘要翻译： 本发明涉及一种用于非取向硅钢的无铬绝缘涂层材料，其包含以重量份计的以下成分：100份的金属二氢磷酸盐，10〜60份的环氧树脂，环烷酸酯干燥剂或异辛酸酯 金属盐干燥剂为0.001〜10份，有机溶剂为0.001〜100份，纯水为60〜2000份。 磷酸金属盐为Al（H 2 PO 4）3，Mg（H 2 PO 4）2，Ca（H 2 PO 4）2或Zn（H 2 PO 4）2; 环氧树脂是水溶性环氧树脂或环氧树脂乳液。 本发明的无铬绝缘涂层材料涂覆在非取向硅钢上后，外观高透明，绝缘性，耐腐蚀性，粘合性，焊接性和可制造性优异，从而消除了现有的铬 - 自由涂层，如粘性和不耐磨损，符合环保要求。