硅钢资料

本发明揭示了一种无取向硅钢及其生产方法。该无取向硅钢的化学成分：Si:2.95%~3.15%，Al:0.75%~0.95%，Si+2Al:4.6%~4.9%，Mn:0.5%~0.7%，Sn:0.03%~0.04%，Cu≤0.03%，Cr≤0.03%，Ni≤0.03%，Nb≤0.004%，V≤0.004%，Ti≤0.004%，C≤0.0025%，P≤0.015%，S≤0.0015%，N≤0.004%，余量铁；Mn/S≥380，Al/N≥200；无取向硅钢的再结晶晶粒尺寸50~80μm。本发明在保证磁性能的同时，提高了强度，解决了现有技术所存在的磁性能和强度的兼顾问题。

本发明公开了一种硅钢产品生产方案的智能设计评估方法，包括以下步骤：1、采集数据，并集成用户数据、实验室研发数据和大生产数据；2、构建用户数据主题、实验室研发数据主题和大生产数据主题；3、输入硅钢产品的种类、规格和性能需求的需求信息，并根据需求信息生成若干个硅钢产品的生产方案，生产方案包括优化产品的生产方案和新产品的生产方案；4、多维度综合评估步骤3中生成的每个硅钢产品的生产方案，得到硅钢产品生产方案的绿色设计指数，并根据绿色设计指数推荐生产方案。本发明基于产品设计需求，融合实验研发数据和大生产数据，生成并评估产品设计方案模型，缩短研发周期，提高研发效率。

根据本发明的一个实施例的取向电工钢板，其中存在于电工钢板表面的沟槽以及与沟槽底部相连的再结晶和其他再结晶的平均取向度差为0.5°至10°。

轧制力是影响冷轧带钢厚度精度的关键因素。为实现高精度的冷轧带钢厚度控制,通过优化变形抗力模型参数和摩擦系数模型参数提高冷轧轧制力模型计算精度,并使用指数平滑法的自学习算法保证轧制力精度的稳定性。在首钢股份公司迁安钢铁公司20辊森基米尔轧机生产线进行S12硅钢钢种轧制力优化试验,将优化的模型参数应用于L2并投入现场生产,结果表明该优化方法不仅提高了轧制力设定精度,而且减小了冷轧硅钢的厚度超差长度,提高了成材率。 The rolling force is the key factor which influences the accuracy of cold-rolling strip thickness. To implement high precision control of cold-rolling strip thickness,we optimize the deformation resistance model parameters and friction coefficient model parameters to improve the calculation precision of cold-rolling force model,and use exponential smoothing self-learn algorithm to ensure the stability of rolling force accuracy. In Shougang Qiangang 20-high Sendzimir mill single stand production ... 

采用固溶强化、细晶强化和位错强化方法,模拟TSCR流程试开发高强度无取向电工钢,试开发钢的主要合金成分为3%Si、0.83%Al和2.99%Mn。分析热轧、常化、退火后的钢板组织,并针对不同的成品板组织,详尽地分析了相应的力学性能和磁性能。试验电工钢平均晶粒直径为12.37μm时,R p0.2为530 MPa,R m为618 MPa;当退火制度为700℃×4 min,成品组织完全为未再结晶的回复组织时,R p0.2为853.5 MPa,R m为895.5 MPa。该成分的电工钢P15/50或P10/400最小时,对应的平均晶粒直径都大于59.67μm;P10/800或P10/1000最小时,对应的平均晶粒直径都处于12.37~59.67μm尺寸区间。 TSCR was simulated to develop high-strength non-oriented electrical steel with 3% of Si,0.83% of Al and 2.99% of Mn by solution strengthening,grain refinement strengthening and dislocation strengthening.The microstructures of hot rolled plates,normalized plates and annealed plates were analyzed.Furthermore,the mechanical properties and magnetic properties of products with different microstructures were detailedly studied.As the average grain diameter of the steel was 12.37 μm,the yield strength ... 

采用X-射线衍射分析技术测定了取向硅钢热轧板在不同压下率下不同厚度处的织构。结果表明,在压下率低于80%的情况下,几乎所有试样的不同厚度处的织构均为旋转立方织构类型{100}<011>,但不同压下率、不同厚度处的织构强度存在很大差异;在压下率大于80%的情况下,不同试样的不同厚度处的织构类型发生了变化,其织构类型为旋转立方织构或高斯织构{011}<100>,且当织构类型为旋转立方织构时,织构强度存在很大差异,而当织构类型为高斯织构时,织构强度差异相对较小。 The texture of the grain oriented silicon steel hot rolled plate at different compressibility has been measured.The experimental results have shown that the texture of all samples at different thickness is {100}<011> when the compressibility is below 80%,and its intensity at different compressibility and thickness is difference.The texture of all samples at different thickness is variable when the compressibility is above 80%,it is {100}<011> or {011}<100>,and the intensity of ... 

本发明提供了一种轴向开关磁阻电机转子硅钢块的成型方法，包括(a)提供一硅钢片盘，其中所述硅钢片盘具有内端部和外端部，及贯穿所述内端部和所述外端部的多个固定孔，相邻的两个所述固定孔之间形成硅钢块；(b)提供多个齿棒，逐一将多个所述齿棒依次插入于所述固定孔；(c)提供一固型组件，将所述固型组件固定于所述内端部和所述外端部上；(d)沿着所述硅钢块和所述固定孔之间界定的切割位置进行切割，以获得组装转子的多个硅钢块。所述硅钢片盘通过所述固定孔分隔成多个形状一致的所述硅钢块，多个所述硅钢块通过切割分离，并可对应组装成一转子，成型方便快捷，还保障产品形状的一致性，实现工业化批量生产。

研究表明,硅钢中的夹杂物对成品带钢的磁性能有显著影响。为研究冶炼过程硅钢中的夹杂物遗传变化,进而提出更有效的控制措施加以去除,本文结合典型的无取向硅钢生产炉次,采用非水溶液电解提取+扫描电镜观察方法分析冶炼过程中上述炉次典型试样的夹杂物。结果表明:转炉冶炼结束、RH精炼开始时,钢的氧化物夹杂总量最大,约为0.23%;RH精炼过程中,氧化物夹杂总量不断降低,并在脱碳结束时达到最低,约为0.02%;连铸过程中,氧化物夹杂总量仍有不断降低趋势,但夹杂物的平均尺寸变化不大。本试验条件下,中间包试样的夹杂物数量约为1.59×104个/mm3。 As we all know, the non-metallic inclusion effects magnetic properties of silicon steel sheets obviously. The article aims to study the heredity of non-metallic inclusion in non-oriented silicon steels during the steel making process, and then provides a more effective controlling measure to remove the inclusions. Based on the typical non-oriented silicon steel charges, the non-aqueous solution extraction and SEM observation were adopted to analyze the non-metallic inclusions. Results show that,... 

研究了退火温度和退火时间对电沉积硅钢试样中的断面层组织、硅在试样中的分布情况、织构分布和磁性能的影响。结果表明:退火温度为1000℃、退火时间为210 min时得到的试样晶粒分布均匀、硅在试样中分布均匀、硅平均浓度为6.3715%(接近6.5%)。试样的织构分析及磁性能检测的结果表明,在较高温度下延长退火时间可增加{100}和{110}面织构,降低铁损,所得试样的磁性能较为良好。 The effect of annealing temperature and time on the microstructure, distribution of silicon,texture and magnetism of the high silicon steel prepared by electrodeposition was investigated. The results showed that after annealing at 1000℃ for 210 min, the mean grain size of steel was about 190 μm with a uniform grain size distribution, and the silicon is also uniformly distributed on the entire cross section with an average Si concentration 6.3715%(close to 6.5%); With the increasing annealing tim... 

通过固溶度积公式计算及热模拟实验,对不同热装和加热温度条件下的无取向硅钢铸坯中析出相进行了研究.在低于950℃热装时,铸坯中AlN的析出量和尺寸不再变化,但MnS和AlN-MnS的数量及平均尺寸随着热装温度降低而进一步增加,并在温度低于600℃时达到最大值后保持不变.与1200℃相比,1100℃加热的铸坯中AlN、MnS的总固溶量相对更少.相比850℃热装,600℃热装再加热到1100℃的铸坯中AlN和MnS的总固溶量更少,且AlN和MnS尺寸更大.合适的热装温度和加热温度分别为600℃和1100℃. Based on solubility product calculation and thermal simulation experiments,precipitated phases in continuous casting slabs of non-oriented silicon steel were systematically studied at different hot charging and heating temperatures.When the hot charging temperature is below 950 ℃,the content and size of AlN remain unchanged,but the quantity and size of MnS and AlN-MnS increase when the hot charging temperature decreases,reach maximum and remain unchanged when the hot charging temperature is belo... 

本发明属于涂料技术领域，具体公开了一种用于取向硅钢的无铬无机绝缘涂料，包括以下重量份配比的原料：小颗粒硅溶胶10‑50份、大颗粒硅溶胶10‑50份、磷酸二氢铝溶液5‑50份、助剂0.1‑10份及水10‑100份。本发明还提供了一种用于取向硅钢的无铬无机绝缘涂料的制备方法，通过将小颗粒硅溶胶和大颗粒硅溶胶混合均匀成硅溶胶混合液后加水得到混合硅溶胶水溶液；再依次向其中加入磷酸二氢铝和助剂并持续拌至均匀，得到用于取向硅钢的无铬无机绝缘涂料。本发明提供的无铬无机绝缘涂料适用于取向硅钢，使取向硅钢环保无害的同时具有与含铬取向硅钢相当的耐腐蚀时效，从而实现取向硅钢产业绿色化并大大改善取向硅钢的综合性能。

采用中、厚板坯生产技术对取向硅钢进行了研制和开发,对热轧及后工序样品进行了金相组织观察和EBSD分析,探讨了两种组织及织构的差异性,研究结果表明:除高温退火样品外,中板坯生产的取向硅钢各工序样品平均晶粒尺寸大;厚板坯生产的取向硅钢热轧和常化样品亚表层Goss织构强;中板坯和厚板坯的脱碳退火板织构没有明显区别。中板坯生产的取向硅钢成本低,产品磁性能和质量与厚板坯相当。 Grain oriented silicon steel was researched and developed by medium thickness slab and thick slab.Microstructures observation and EBSD analysis to the samples of hot rolling and following processes were carried out,respectively.The differences between the two kinds of microstructures and textures were discussed.The results show that the average grain sizes of every process samples are larger except that of high temperature annealing samples of grain oriented silicon steel produced by medium thic...