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研究了罩式炉常化工艺对50W350硅钢热轧板组织、夹杂物和性能的影响。研究结果显示,罩式炉常化工艺在温度一定的情况下,随着保温时间延长,硅钢晶粒逐步再结晶并长大,同时析出物也在聚集长大。通过制定合理的罩式炉常化工艺,可以实现硅钢晶粒的再结晶和长大,从而达到连续退火炉常化工艺产品技术要求。 The influence of normalization process with a bell furnace on the structure,inclusions and properties of 50W350electrical steel hot-rolled sheet was studied.The research results showed that:when the steel was normalized at a certain temperature in the bell furnace,the silicon steel grains gradually recrystallized and grew up with the extension of the annealing holding time,and at the same time,the precipitates also gathered and grew up.The recrystallization and growth of the silicon steel grains... 
2022-02-28 188 5.8

该电磁钢板用涂布组合物是含有环氧树脂、高温固化型交联剂以及无机微粒的电磁钢板用涂布组合物,相对于所述环氧树脂的100质量份,所述高温固化型交联剂为5~30质量份,所述无机微粒是从金属氢氧化物、在25℃下与水反应而成为金属氢氧化物的金属氧化物、以及具有羟基的硅酸盐矿物中选择的一种以上,所述无机微粒的体积平均粒径为0.05~2.0μm,所述环氧树脂的含量相对于所述电磁钢板用涂布组合物的总质量为45质量%以上,所述无机微粒的含量相对于所述环氧树脂100质量份为1~100质量份。
2021-06-17 148 6.8

本发明提供了一种超高磁感无取向硅钢及其制造方法和在汽车发电机生产中的应用,成分:C:≤0.005%、Si:0.5‑1.2%、Mn:0.1‑0.5%、P:0.01‑0.1%、S:≤0.004%、Al:≤0.005%、N:≤0.005%、Ti:≤0.003%,余量为铁和不可避免的杂质。通过成分设计,配合CSP薄板坯连铸连轧工艺、常化工艺,不用添加贵金属元素,不添加贵金属元素,流程短、成本低、磁感高、性能稳定;节省成本的同时,具有优良的磁性能,采用本发明生产的汽车发电机铁芯,与常规产品生产的铁芯相比,重量可减轻15%以上,缩小了发电机尺寸,满足汽车发电机小型化、高效化的要求。
2021-07-20 138 6.8

采用光学显微镜和X射线衍射仪研究了常化退火处理对无取向硅钢热轧板和成品退火板显微组织和织构的影响。结果表明:常化退火处理消除了热轧板中的变形组织,促使变形晶粒完成再结晶;常化退火处理使高斯织构和立方织构易通过再结晶在变形带内形核和长大,可显著降低成品退火板的{111}和{112}不利织构组分的占有率,提高{100}和{110}有利织构组分的占有率,从而有利于提高无取向硅钢成品板的磁性能。 The effect of normalizing annealing treatment on microstructure and texture of non-oriented silicon steel hot rolled plates and final products were investigated by means of optical microscope and X-ray diffractometer analysis.The results show that the deformed microstructure of the hot rolled plates transformed into recrystallized grain after normalizing annealing treatment.The grains of Goss texture and cubic texture crystallographic orientation were formed and grown by recrystallization in the... 
2013-02-28 168 5.8

对无取向硅钢炼钢全流程钢液增钛的原因进行了分析,认为铁水钛含量、转炉出钢温度、转炉下渣量、精炼渣TiO2含量、钢水罐及RH浸入管混钢种生产是影响钢液增钛的主要原因。通过采取低钛铁水冶炼,减少转炉下渣量,提高出钢温度,添加白灰改质精炼渣等措施,均能够降低钢液中的钛含量。 After analyzing the causes leading to increased content of titanium in molten nonoriented silicon steel during whole steelmaking process, it was concluded that such factors as content of titanium in hot metal, tapping temperature from converter, quantity of roughing slag entered into the ladle from converter, content of TiO2 in refining slag, molten steel ladle car,carrying out the steelmaking of different steel grades by the same ladle and same RH immersion tube were the main causes ... 
2022-01-28 156 5.8

随着中国电工钢产量的增加,硅钢级氧化镁需求量不断增加,传统的以白云石为原料制备氧化镁的工艺已经无法满足市场需求。中国是一个卤水资源丰富的国家,因此,研究如何资源化综合利用盐湖资源变得越来越重要。硅钢级氧化镁是一种制备取向硅钢的涂层材料,主要用于取向硅钢高温退火处理阶段,起到隔离剂、绝缘膜层、脱硫、脱磷等作用。综述了制备硅钢级氧化镁的方法、工艺流程、研究进展及存在的问题,指出了硅钢级氧化镁制备技术的发展方向,并对中国卤水资源的利用提出了建议。 With the increasing output of electric steel,the demand for silicon steel grade magnesium oxide(MgO) is larger and larger in China,and the traditional MgO production process with dolomite as raw material has been unable to meet market demand.China is a brine resource-rich country,the study of how to comprehensively utilize salt lake resources has become increasingly important.As a coating material used for preparing oriented silicon steel,silicon steel grade MgO is mainly used in the process of ... 
2011-01-28 175 5.8

本发明公开了一种取向硅钢产品的在线性能判级与精确分切装置和方法,使得同一个分卷上的性能分布均匀,避免分卷出现性能废品或多个性能等级的情况,提高分卷性能稳定性。提供的一种取向硅钢产品的在线性能判级与精准分切方法包括生产数据采集、铁损曲线自学习、数据存储、性能在线判级、缺陷数据采集、缺陷判级、智能分切等模块,依据修正后的磁性能全长数据,得到产品的性能判级结果,结合表面缺陷判级结果,综合确定分切位置,制定最佳分切方案。本发明可以实现取向硅钢生产过程中的性能在线判级和精准分切,得到性能均匀、表面质量好的分卷,减少分卷性能不稳定带来的损失。
2021-08-16 170 6.8

研究的两种取向硅钢(%:No1-0.042C、3.16Si、0.009Al、0.07Mn、0.50Cu、0.015S、0.0084N和No2-0.040C、3.20Si、0.014Al、0.22Mn、0.49Cu、0.016S、0.008 2N)由50 kg真空感应炉冶炼,锻成(mm)350×120×35板坯,经1 250℃30 min加热,开轧温度1 100℃,5道次热轧成2.3 mm板,终轧温度950~1 000℃。实验结果表明,两热轧板沿板厚方向存在组织和织构的不均匀性,热轧板次表层为再结晶组织,有较强的Goss织构组分;中心层为形变组织,具有典型的形变织构。含0.22%Mn的No2钢次表层{110}〈001〉织构组分比含0.07%Mn的No1钢弱,中心层{001}〈110〉织构组分大大强于0.07%Mn No1钢,导致两者磁性能差异,0.22%Mn No2钢磁感应强度(B800)和铁损(P1.7/50)分别为1.87 T和1.24 W/kg,0.07%Mn No1钢分别为1.88 T和1.18 W/kg。 Studied both grain-oriented silicon steels(%:No1- 0.042C,3.16Si,0.009Al,0.07Mn,0.50Cu, 0.015S,0.0084N and No2-0.040C,3.20Si,0.014Al,0.22Mn,0.49Cu,0.016S,0.0082N) are melted by a 50 kg vacuum induction furnace,forged to(mm) 350×120×35 slab,heated at 1 250℃for 30 min,with beginning rolling temperature 1 100℃hot-rolled to 2.3 mm plate by 5 passes,finishing-rolled at 950~1000℃.Test results show that the structure and texture along thickness of both hot-rolled plates are inhomogeneous:the subsurface ... 
2011-01-28 152 5.8

【作者】 陶永根; ...
2011-01-28 145 5.8

本实用新型涉及一种便捷型铁芯硅钢片组装系统。该便捷型铁芯硅钢片组装系统包括硅钢片叠放装置,硅钢片叠放装置包括固定座,固定座上通过轴承转动装配有齿圈,固定座上固定连接有与齿圈同轴的固定盘,固定盘的中心设有中心孔,固定盘上设有六个沿固定盘径向延伸的滑槽,六个滑槽沿固定盘周向均匀分布,每个滑槽内分别滑动装配有滑块,齿圈的上侧面设有上螺纹,滑槽的下侧面设有与上螺纹相匹配的下螺纹,滑块的内端设有定位板,定位板的外侧面上设有用于与硅钢片中心孔孔壁上的割槽相匹配的定位条。相比于现有技术,本实用新型能够对硅钢片进行定位,从而确保各片硅钢片的中心孔以及割槽相对应,提高了硅钢片叠放效率,从而提高了生产效率。
2021-05-26 138 6.8

通过对辉光放电发射光谱法分析电工钢样品光谱行为的研究,分析其工作参数如:电压、电流、预溅射时间和积分时间对光谱强度和稳定性的影响,并以铁为内标元素,优化了工作参数。确定了直流辉光放电光谱法测定电工钢中碳、硅、锰、磷、硫、铬、镍、铜共8种元素的定量分析方法,并对该方法分析的精密度和准确度进行验证,结果表明,各元素的测定结果与认定值和其他方法测定值一致,测量元素结果RSD值小于2%。 Based on research on analyzing the spectrum behavior of the sample taken from the electrical steel by glow discharge optical emission spectrometry,the effect of its operational parameters such as current,voltage,pre-sputtering time and integrating time on the spectral intensity and spectral stability is analyzed.Taking the Fe as an element applied by internal standard method,these operational parameters are optimized,and therefore the quantitative analysis method for testing eight kinds of eleme... 
2011-01-28 158 5.8

本发明公开了硅钢片卷材加工用张力机构以及硅钢片剪切机,包括安装架、转动装置和按压装置,安装架的上安装块、连接块和下安装块组成凹槽,转动装置包括下转轴和转动驱动单元,下转轴水平设置,可转动地安装于下安装块上,设置于凹槽中,按压装置包括有上转轴和按压驱动单元,上转轴水平设置于下转轴的上方,可转动地安装于上安装块上,设置于凹槽中,并且可沿上安装块上下运动,其中,上转轴可与下转轴抵接。根据本发明的硅钢片卷材加工用张力机构以及硅钢片剪切机,可加强硅钢片卷材输送过程中的张力,降低硅钢片卷材输送的位置偏差率,提高产品合格率,提高原材料利用率,从而提高生产效率。
2020-12-30 138 6.8

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