硅钢资料

根据本发明的一个实施例的取向电工钢板的制造方法，其包含：对板坯进行热轧，以制造热轧钢板的步骤；对热轧钢板进行热轧板退火的步骤；对热轧板退火后的热轧钢板进行一次冷轧的步骤；对一次冷轧后的钢板进行一次脱碳退火的步骤；对完成脱碳退火的钢板进行二次冷轧的步骤；对完成二次冷轧的钢板进行二次脱碳退火的步骤；以及对二次脱碳退火后的钢板进行连续退火的步骤。

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... 

一种硅钢生产线退火炉前的换热装置，包含有抽风机（1）、立柱（2）、热交换器（3）、软管（4）和热风机（5）；其特征在于：所述的热交换器（3）由若干组U形不锈钢管连接而成，一端固定在轴套（8）上，另一端通过链条（10）连接在立柱（2）顶端的链条盘（9）上，当链条盘（9）转动时，链条（10）拉动热交换器（3）绕着横轴（7）抬起或放下。本实用新型通过抽风机（1）将清洁空气抽到热交换器（3）内进行加热，然后再通过软管（4）将热空气输送到热风机（5）内来加热硅钢板（14），有效的利用了热能，避免了凝露导致的板面发蓝现象。

研究了激光加热辅助圆盘剪高速切割技术,以解决现有冷轧生产线硅钢切边技术存在的微裂纹、应力、毛刺和边浪等问题。建立了激光加热温度场有限元分析模型,根据生产线上圆盘剪加工的实际过程,探讨了数值模拟中热源的加载形式,研究了激光对板材进行辅助加热时各个工艺参数如激光功率、光斑尺寸以及激光入射角度对切割工艺的影响,并通过实验对工艺参数进行了优化。最后,进了验证实验。实验结果显示:当激光加热点运动至圆盘剪刃口位置时,温度为100℃左右,此时材料硬度降低到原有硬度的70%~80%,降低了切削力,减少了圆盘剪的磨损,可有效提高圆盘剪的寿命。 Laser assisted trimmer side cutting technology was studied to overcome the problems such as micro cracks,stress,burrs and edge waves existing in a cold rolling production line of silicon steel side cutting.A finite element analysis model for the laser hearting temperature field was established, the loading form of a heating source was determined and influences of various processing parameters like laser powers,spot sizes,and laser incident angles on laser assisted heating sheet materials were di... 

无取向硅钢特别是中牌号以上的无取向硅钢,随着含硅量的提高,常温下塑性较差,冷轧过程中轧制力明显提高,如果存在原料质量问题,极易发生断带事故,影响硅钢冷轧过程的成材率和生产效率。通过优化冷轧工艺参数,可提高冷轧稳定性。生产中通过合理分配冷轧各道次压下量和轧制速度,保证了轧制过程的稳定,很大程度减少了冷轧断带事故的发生。 Non-oriented silicon steel, especially in the low and middle grade, with the increase of silicon content, plasticity is poor at room temperature, rolling force in cold rolling process significantly improved .If there is the quality defect of raw materials , easily sheet is rolling off. Affect finished product rate and production efficiency in process of cold-rolled silicon steel. Through optimization of cold rolled process parameter , improve the stability of cold-rolling process. Through reason... 

一种高硅钢材料的制备方法，步骤包括靶材、金属基材表面清理；排除密闭容器内空气、通保护气；双辉光等离子预轰击靶材和基材，净化表面；等离子溅射、加热、保温；缓慢冷却取出。预轰击靶材、基材，去除表面吸附层、活化基材，交替升高基材电压、靶材电压，使靶材中的合金元素被离子轰击而溅射出来、扩散进入基材内部形成表面高硅钢层。“双辉光等离子表面冶金技术”制备高硅钢的工艺简单易行、可控性高、成本低、无污染且基体和表面的结合力高，适合大规模产业化生产；更重要的是该方法采用交替离子轰击、扩渗速度快，结合强度高，得到硅含量均匀分布或呈梯度分布的高硅钢材料，为制备更高品质的无噪音、低铁损的高硅钢产业化奠定基础。

采用光学显微镜、X射线衍射仪等分析了宁波钢铁有限公司生产的取向硅钢不同工序下的组织及织构演变规律。结果表明:铸坯经过热轧后,沿着厚度方向组织不均匀;一次冷轧并经脱碳退火后,组织由条状纤维状变成等轴状的初次再结晶晶粒,初次再结晶平均晶粒尺寸为18.17μm,织构主要以α织构和γ织构为主;在二次冷轧后,晶粒再次被压缩,转变为纤维状,织构主要为γ织构;经过高温退火后,发生二次再结晶,晶粒异常长大,晶粒尺寸达到厘米级,织构成分为单一且锋锐的Goss织构。 The microstructure and texture evolution of oriented silicon steel produced by Ningbo Iron and Steel Co.,Ltd.were analyzed by optical microscope and X-ray diffraction.The results showed that the microstructure of the slab was inhomogenous along the thickness direction after hot rolling.After first cold rolling and decarburizing annealing,the microstructure changed from strip fibrous to equiaxed primary recrystallized grains,and the average grain size of the primary recrystallization microstructu... 

本实用新型属于硅钢片加工技术领域，具体涉及一种利于常化的硅钢缝合结构，包括上层硅钢片、下层硅钢片和连接带，下层硅钢片的一端位于上层硅钢片的下方并与上层硅钢片叠合，上层硅钢片和下层硅钢片的叠合处开有多个排成直线的桥型孔，连接带依次穿过各个桥型孔并同时卡合在上层硅钢片和下层硅钢片上。本方案中，在上层硅钢片和下层硅钢片的叠合处开设桥型孔，利用连接带穿过上层硅钢片和下层硅钢片叠合处的桥型孔，相当于利用连接带将上层硅钢片和下层硅钢片缝合在一起，这样设置能够较好将上层硅钢片和下层硅钢片连接成一体。

本发明涉及一种取向硅钢连续高温罩式退火炉及其退火工艺，其包括梯度窑炉，所述梯度窑炉包括A1段退火炉、B段退火炉、C段退火炉、D1段退火炉、A2段退火炉和D2段退火炉；所述A1段退火炉、B段退火炉、C段退火炉、D1段退火炉、A2段退火炉和D2段退火炉依次连接；其中，A1段退火炉、B段退火炉、C段退火炉和D1段退火炉炉顶高度不同，A1段退火炉与A2段退火炉炉顶高度相同，D1段退火炉与D2段退火炉炉顶高度相同。上述在炉顶结构上根据生产工艺，采用的梯度分层次布局，使其在炉顶形成障碍，减缓气流的流通速度达到节能的目的，同时对各个工艺段炉窑内温度的均匀性有提升，并且能够提高产品的质量。

利用电子背散射衍射(EBSD)技术和场发射电子扫描显微镜(FESEM)研究了电工钢中柱状晶不同初始取向50%热压缩变形后的演变规律及其对粒子析出行为的影响。结果表明:〈100〉晶粒形变后仍为〈100〉取向,只发生绕ND∥〈100〉方向的转动,具有遗传性,粒子析出数量少。柱状晶长轴与压缩轴的偏转度增加,取向的稳定性变差,超过40°,可形成〈111〉取向,期间发生复杂的滑移系交互作用,产生较高的缺陷密度,促进粒子析出。MnS粒子主要在晶内析出,变形温度高、形变量低,粒子均无法充分析出。回复时,形变晶粒内高的储能和缺陷密度是促进粒子进一步析出的必要条件。 The evolution of initial orientations and their influence on precipitation of columnar-grained electrical steel after 50% hot compression deformation were investigated by electron backscatter diffraction technique and field emission scanning electron microscopy.The results indicate that the〈100〉orientated columnar grains remain still〈100〉after hot compression deformation,with only rotation around ND parallel to〈100〉direction,with heredity,and less precipitation.As the deviation angle between the... 

以马鞍山钢铁集团公司电工钢板形优化控制研究项目为背景,系统地研究了热轧、冷连轧和单机架轧机在电工钢生产过程中的边缘降控制问题。通过现场数据采集、工况数值模拟计算和工业化大生产试验,设计出适用、合理的电工钢板形控制的辊型优化曲线,满足了不同工序、不同机型的板形控制策略要求,解决了电工钢板形质量问题,取得了显著的经济效益。 Based on the project of electric steel strip shape optimization control,problem of edge drop control was systematically studied in production of electric steel of hot-rolling mill,cold-rolling mill and single stand mill.Roll optimization contour was designed out in point and reasonable by collection of work condition data,numerical simulation and test of industrial production.The shape control system can meet with the different working steps and difference mills,and quality problem of electric s... 

6.5%Si硅钢具有优异的磁学性能和广泛的应用前景。本文综述了6.5%Si硅钢的物理、机械及磁学特性,讨论了传统轧制、温轧、薄带连铸、快速凝固、CVD、粉末轧制等不同制备工艺的关键技术及特点,概括了6.5%Si硅钢在高效节能电机、汽车马达及磁屏蔽等领域中的主要应用,介绍了硅钢的制备技术取得的研究进展,并指出了其广阔的发展前景。 6.5% Si silicon steel has good magnetic properties and wide applications.In this paper physical and mechanical magnetic properties were summarized,and key technology and characteristic of several preparation methods,such as traditional rolling,warm rolling,thin strip continuous casting,rapid solidification,CVD and powder rolling,were discussed.Main applications of 6.5% Si steel in the fields of high-efficiency electrical motors,automobile motors,transformer cores and magnetic shielding were gene...