硅钢资料

一种高磁感低铁损取向硅钢生产用表面涂层涂覆装置，包括：加工台，加工台上端固定连接支撑架，支撑架下端一侧固定连接伺服电机，伺服电机输出端固定连接第一齿轮，第一齿轮下端啮合连接第二齿轮，第二齿轮中部固定连接螺纹杆，螺纹杆上螺纹连接移动环，螺纹杆远离第二齿轮一侧转动连接支撑板，支撑板上端固定连接支撑架，移动环下端固定连接伸缩杆，支撑架下端前后部均固定连接连接框，本实用新型的有益效果是：通过设置的伺服电机、第一齿轮、第二齿轮、螺纹杆和移动环等结构，能够实现伸缩板带动硅钢板移动，从而能够完成自动化推料，减少工人劳力支出的同时，也能够避免工作人员手臂靠近涂层辊，从而避免安全事故的发生。

针对宝钢硅钢常化退火过程中产生的退火炉辊印缺陷问题,通过实际生产的大数据与产品质量问题相结合,将数据挖掘、数据分析方法应用到实际,一定程度上解决了现场实际生产中的痛点,为现场生产提供决策支撑,避免了以前通过人工识别判定存在疏漏和无法定量判断的问题,形成了一套具有鲁棒性和可操作性的钢铁生产过程数据分析方法。通过智慧决策系统平台获取实际生产和表检仪数据,基于Pearson相关系数算法进行变量挑选和特征工程,并应用随机森林算法对数据建立分类预测模型,实现了质量问题的溯源和监控,通过数据量化预测了炉辊印缺陷是否可通过轧制消除的质量问题,识别准确率达到96.43%。 In views of the normalizing annealing furnace roll marks problem occurred in the process of normalizing annealing of silicon steel in Baosteel,by combining big data from actual production with product quality problems,data mining and data analysis methods were applied to actual production to solve the pain points and provide decision support,a robust and practical data analysis method for the steel production process has been developed,which avoided the previous problems of omission and non-quan... 

采用电子背散射衍射技术测定50SW1300冷轧无取向硅钢中不同尺寸范围晶粒的含量,利用主成分回归分析法,综合研究不同尺寸范围晶粒的含量对无取向硅钢磁性能的影响。结果表明:通过主成分回归分析法能够从不同尺寸范围晶粒的含量的多个影响因素中获取主要的因素,定量研究它们对无取向硅钢磁性能的影响规律。分析表明,无取向硅钢的铁损与不同尺寸范围晶粒的含量之间存在着可靠的多元线性关系,在一定范围内,较大尺寸晶粒的含量越多,其对铁损优化的作用越明显;而无取向硅钢的磁感与不同尺寸范围晶粒的含量之间并无线性关系。 Distribution of grain size in cold rolled non-oriented silicon steel 50SW1300 was measured by EBSD.The effects of the distribution of grain size on magnetic properties of the non-oriented silicon steel were comprehensively researched by means of principal component regression method.The results indicate that the main factors influencing the magnetic properties in the distribution of grain sizes,which can be used to guantitative study the magnetlic properies of the steel,are obtained by principal... 

介绍了国内无底层取向电工钢生产技术水平、产量和用途，简述了无底层取向电工钢作为取向电工钢超/极薄带母料及应用于制作大型发电机组铁心、风电等电机铁心和变压器铁心等的情况。 The production technology level,output and application of domestic glassless grainoriented electrical steel were introduced,and the application of glassless grain-oriented electrical steel as parent material of ultra-thin strip of grain-oriented electrical steel and in making large-scale electric generator cores,wind power motor cores and transformer cores were briefly described. 

本发明涉及一种提高热连轧无取向硅钢厚度精度的方法，包括以下步骤：1）降低粗轧终轧温度和精轧入口温度，减少精轧轧制过程中奥氏体向铁素体相变的体积数，提高轧制力模型预估的精度；2）降低精轧机活套张力，减少因张力带来的厚度扰动。本发明通过降低粗轧终轧温度、精轧开轧温度和调整精轧机张力，可以有效提高精轧机轧制力预估精度，提高厚度精度以及宽度精度。

对新能源汽车以及驱动电机的现有市场和未来市场规模进行梳理分析，通过自建计算公式推导出我国2021年1-11月份驱动电机用电工钢的总量，进而预测未来10年中国新能源汽车驱动电机用电工钢情况，为无取向电工钢的生产和在电机中的应用提供有价值的参考。 The current market and future market size of new energy vehicles and traction motors were analyzed,and the total amount of electrical steels used in traction motors in China from January to November 2021 was derived by using self-built calculation formulas,and then the situation in the next ten years of electrical steel used in traction motors of new energy vehicles in China was predicted.It will provide a valuable reference for the production of non-grain oriented electrical steel and its appli... 

本申请提供了一种提高高磁感取向硅钢渗氮效率的方法，属于高磁感取向硅钢渗氮处理技术领域，包括所述高磁感取向硅钢按重量百分比包括：Si：2.8～3.4％、C：0.040～0.070％、Als：0.015～0.045％、Mn：0.06～0.14％、S：0.003～0.020％、N：0.003～0.010％、Cu：0.01～0.025％、Sn：0.03％～0.07％、Cr及Ni，Cr和Ni的总含量小于0.5％，其余为Fe和不可避免杂质物，其特征在于，控制脱碳退火后钢带表层氧化物中铁系氧化物的比例，该装置能够增加脱碳退火后钢带表面氧化层中铁系氧化物占整个氧化层重量的比例，从而在获得同等渗氮量的情况下实现了快速渗氮，缩短渗氮时间，提高渗氮效率。

阐述了电工钢在\"双碳\"中的作用,强调了电工钢的生产工艺技术及在减少碳排放、降低能耗中的作用,对下游能效升级带来明显的节能及降碳成果。同时,分析了2021年电工钢的生产运行情况,介绍了电工钢的未来发展,并针对如何减少碳排放以及生产更多的更低铁损、更高磁感的电工钢谈了几点启示。 The effects of electrical steels on carbon peak and carbon neutralization were expounded,especially on the achievements of obvious energy saving and carbon reduction to the downstream energy efficiency upgrading bringing from the production technology of electrical steels and their effects to reducing carbon emission and energy consumption.Meanwhile the production situation of electrical steels in 2021 was analyzed,and the future development of electrical steels was introduced,and some advices w... 

研究稀土Ce的添加对含Sn高磁感无取向电工钢磁性能及夹杂物的影响。对比分析了两种成分钢的磁性能以及各过程工艺条件下夹杂物种类和分布情况。结果表明,在含Sn高磁感无取向电工钢中加入稀土元素Ce可以粗化夹杂物,提高成品晶粒的均匀性,有效降低铁损;同时Ce的添加不影响Sn元素提高磁感的效果,磁感保持不变。 Effect of Ce on magnetic properties and inclusion of Sn-bearing high permeability non-oriented electrical steel was investigated. A comparative analysis of the magnetic properties and the types and distributions of inclusion in the two sheets with different composition shows that the addition of Ce to the Sn-bearing high permeability non-oriented electrical steel can coarse the inclusion,improve the homogeneity of the finished grain and effectively decrease the core loss. Also,the addition of Ce... 

为开发高效电机用冷轧无取向电工钢,借助实验室薄板坯连铸连轧模拟设备及扫描电镜、透射电镜等检验手段研究了成分、组织、织构和析出物等对无取向电工钢磁性能的影响规律;结果表明:常化处理使组织均匀化并增加有利于磁性提高的织构组分;采用CSP流程开发的高效电机用无取向电工钢铁损平均值3.4 0 W/kg,磁感≥1.68 T。 In order to develop electrical steel for high efficiency motor,effect of components,microstructure,texture and precipitation on magnetic property of electrical steel are analyzed.From the result,normalizing treatment makes microstructure uniform and increases component of favorable texture.Iron loss of electrical steel developed by CSP line is 3.40W/kg and magnetic induction is more than 1.68T. 

通过制备磷酸二氢铝硅钢涂层,研究了氧化锌对无铬涂层耐盐雾性能、电化学性能和附着性的影响。结果表明,硅钢表面涂层含有4.0%的氧化锌时,涂层具有最高的耐腐蚀性能和电化学性能,而且其致密表面最为平整,没有裂纹出现。 The effects of ZnO on the salt spray resistance property, electrochemical performance and adhesiveness of silicon steel insulating coating were studied. The results show that the best corrosion resistance and electrochemical properties can be obtained when the coating contains 4.0% oxide zinc, and the dense surface is smooth without cracks. 

本发明涉及一种硅钢热处理方法，尤其涉及一种取向硅钢极薄带绝缘层涂覆方法，包括以下步骤：(1)接入普碳钢引带的准备工作；(2)各炉段张力的设定工作；(3)炉内气氛及温度的调节工作；(4)绝缘层厚度及厚度的检测工作；(5)极薄带涂层涂覆及烘干工作；(6)极薄带表面绝缘涂层及磁性能检测工作。本发明采用与极薄带厚度相当的普碳钢作为引带，通过引带测试产线张力和绝缘层涂覆的厚度，一方面可通过普碳钢薄带的运行加速炉内温度和气氛的稳定性，节约炉内稳定时间；另一方面可通过成本较低的普碳钢检测炉内张力和温度的设定，及绝缘涂层的涂覆效果，避免开始采用硅钢带出现断带，及涂覆不合格后造成产品报废带来的成本升高。