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    • 3. 发明授权
    • Method of preparing silver-based electrical contact materials with directionally arranged reinforcing particles
    • 用定向排列的增强颗粒制备银基电接触材料的方法
    • US09437998B2
    • 2016-09-06
    • US13578378
    • 2011-04-11
    • Lesheng ChenXiao ChenChengfa MuGengxin Qi
    • Lesheng ChenXiao ChenChengfa MuGengxin Qi
    • H01R43/16B22F1/02B22F3/16B22F3/20B22F9/24C22C5/06H01B1/02
    • H01R43/16B22F1/025B22F3/162B22F3/20B22F9/24B22F2998/10C22C5/06H01B1/02
    • A method of preparing silver-based electrical contact materials with directionally arranged reinforcing particles includes steps of: (1) preparing composite powders with Ag coating on the reinforcing phase by chemical plating coating; (2) granulating; (3) placing the granulated powders and the matrix silver powders into the powder mixer for mixing; (4) cold-isostatically pressing; (5) sintering; (6) hot-presssing; (7) hot-extruding, thereby obtaining the reinforcing silver-based electrical contact materials with directionally arranged particles. Regardless of the size of reinforcing particles, the present invention can obtain particle-reinforced silver-based materials with excellent electrical performance. The process is simple and easy to operate, and places no special requirements on the equipment. Furthermore, the resistance to welding and arc erosion, and the conductivity of the material prepared by the present invention can be greatly improved. Moreover, the processing performance is excellent.
    • 制备具有定向排列的增强粒子的银基电接触材料的方法包括以下步骤:(1)通过化学镀涂层在增强相上制备具有Ag涂层的复合粉末; (2)造粒; (3)将造粒粉末和基质银粉末放入粉末混合器中进行混合; (4)冷等静压; (5)烧结; (6)热压; (7)热挤压,从而获得具有定向排列的颗粒的增强银基电接触材料。 不管增强颗粒的尺寸如何,本发明可以获得具有优异电性能的颗粒增强的银基材料。 该过程简单易操作,对设备无特殊要求。 此外,可以大大提高耐焊接和电弧腐蚀以及由本发明制备的材料的导电性。 此外,处理性能优异。
    • 4. 发明授权
    • Method of producing extremely thick insulation coating on surface of electrical steel
    • 在电工钢表面生产极厚绝缘涂层的方法
    • US09406416B2
    • 2016-08-02
    • US14348357
    • 2011-12-14
    • Yongqiang LuChunguo LvZhicheng WangBin ChenXiao ChenShishu Xie
    • Yongqiang LuChunguo LvZhicheng WangBin ChenXiao ChenShishu Xie
    • H01B13/06B05C9/04H01B13/00B05D1/28C09D5/08B05D7/14H01F1/18B05D3/02B05D3/04
    • H01B13/06B05C9/04B05D1/28B05D3/0272B05D3/0413B05D7/14B05D2202/10B05D2252/10C09D5/08C09D5/084H01B13/0016H01F1/18
    • 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.
    • 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。
    • 5. 发明申请
    • METHOD OF PRODUCING EXTREMELY THICK INSULATION COATING ON SURFACE OF ELECTRICAL STEEL
    • 在电工钢表面生产超细厚度绝缘涂层的方法
    • US20150064343A1
    • 2015-03-05
    • US14348357
    • 2011-12-14
    • Yongqiang LuChunguo LvZhicheng WangBin ChenXiao ChenShishu Xie
    • Yongqiang LuChunguo LvZhicheng WangBin ChenXiao ChenShishu Xie
    • H01B13/06H01B13/00
    • H01B13/06B05C9/04B05D1/28B05D3/0272B05D3/0413B05D7/14B05D2202/10B05D2252/10C09D5/08C09D5/084H01B13/0016H01F1/18
    • 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.
    • 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。