硅钢资料

提出了一种基于爱泼斯坦方圈族(包括标准25cm爱泼斯坦方圈、缩比的17.5cm和20cm爱泼斯坦方圈)和二级加权处理方法对爱泼斯坦测试数据,包括有效磁路长度、比损耗、励磁功率,进行处理的晶粒取向电工钢磁性能扩展模拟方法。详细地考察了励磁频率、试样剪切角度和环境温度对爱泼斯坦方圈测量结果的影响。研究结果表明,利用本文提出的爱泼斯坦方圈组合以及二级加权处理技术,可以有效地建立取向电工钢损耗模拟模型,从而更加准确地确定了取向电工钢的损耗,改善并提高了爱泼斯坦磁性能测试数据的应用价值。 The extended modeling of the magnetic properties of GO(grain oriented) electrical steel is presented in this paper which is based on a set of standard and scaled-down Epstein frames and a proposed two-level weighted processing of Epstein data, including the mean magnetic path length, specific magnetization loss and exciting power. The effects of excitation frequency, strip angle and ambient temperature on the results obtained from the Epstein frames are investigated. It is shown that using the p... 

本发明提供一种无铝低合金无取向硅钢氧含量控制方法，属于钢铁冶炼技术领域。该无取向硅钢化学成分按质量百分比为C≤0.005％，Si：0.2％‑0.6％，Mn：0.20％‑0.50％，P：0.03％‑0.08％，S≤0.005％，Als≤0.005％，余量为Fe及不可避免的杂质。其工艺流程为：KR铁水预处理→转炉冶炼→RH真空精炼→连铸。转炉出钢严格控制下渣量，加石灰、萤石、高铝渣面脱氧剂控氧调渣；RH真空精炼脱碳结束后，加低碳低硫硅铁、金属锰、磷铁等脱氧合金化，循环5min后，再加入金属铝终脱氧，同时向钢包渣面加入高铝渣面脱氧剂对炉渣进行脱氧，成分全部达标后净循环时间≥8min，破空、出钢；连铸进行全程保护浇注。使用本发明提供的操作方法，可以得到自由氧含量≤15ppm，总氧含量≤35ppm的钢水，提高钢水洁净度。

硅钢连续退火线是无取向硅钢生产的成品线。由于受机组布置的影响,带钢经转向辊进出口活套后,当套量达到60%后就出现偏离生产线的情况,从而影响最终产品的质量及成材率,甚至损坏设备。针对某冷轧厂硅钢连续退火机组出口活套入口处带钢跑偏开展纠偏研究,利用Matlab对该纠偏系统进行动态仿真研究,分析系统的稳定性。 Silicon steel continuous annealing line is non oriented silicon steel production of finished product line.Due to the influence of unit layout,strip by roll Import & Export loop,when the set volume reached 60% after the emergence of deviation from the production line,thus affecting the quality of the final product and the rate of finished products,and even damage the equipment.For the export of continuous annealing line in cold rolling silicon steel strip deviation rectification loop at the e... 

介绍在取向硅钢生产中抑制剂的作用以及多元抑制剂的机理和应用情况,分析多元抑制剂方案中各种元素对高磁感取向硅钢性能的影响,并根据生产实践提出了进一步研究的方向. The role of an inhibitor in the production of grain oriented silicon steel,and the mechanism of multiplex inhibitor in the production are described in the present article.In addition,the influence of various elements in the multiplex inhibitor on the performance of grain oriented silicon steel with high magnetic induction is elucidated.Further work needed in this research is also indicated. 

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... 

本发明公开了一种低铁损高磁导率无取向电工钢及其生产方法，所述生产方法包括以下步骤：钢水连续浇铸成板坯，板坯经加热炉加热，再经热轧得到热轧板，然后经空冷和水冷后在500～650℃进行卷取；热轧板经常化处理、盐酸酸洗；酸洗后在可逆轧机上进行冷轧；最后经成品退火，退火温度为840～900℃，加热时间为240～500s；然后以不超过3℃/s的冷却速度冷却至500℃以下；涂覆绝缘涂层、固化，后经二次退火，即可得到低铁损高磁导率无取向电工钢，其磁性能满足P1.5/50≤3.50W/kg，μ1.5≥3800Gs/Oe，B5000≥1.76T的要求。

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... 

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。

本实用新型公开了一种硅钢炉底辊套管生产用高效粉磨机，包括机壳，所述机壳顶部中央安装有第一轴承，且第一轴承内安装有驱动转轴，所述驱动转轴顶端连接驱动电机输出端，所述驱动转轴底端连接安装有第一粉磨辊，所述驱动转轴位于机壳内腔部分安装有安装架，且安装架上均匀安装有四组辊轮架，并且辊轮架上安装有第二粉磨辊。有益效果：本实用新型设置的第一粉磨辊和第二粉磨辊可对物料进行二次粉磨，粉磨效果更好，大大提高一种硅钢炉底辊套管生产用高效粉磨机的工作效率，且无需增设额外的驱动电机，而设置的顶针则极大的方便了工人对堵塞的下料孔进行疏通，保障了一种硅钢炉底辊套管生产用高效粉磨机的下料工作效率。

采用EBSD技术研究了有、无拉应力作用下无取向硅钢在晶粒长大过程中织构转变及晶界变化的规律。结果表明:在晶粒生长期间,无应力作用下的硅钢中,{111}〈112〉,{111}〈110〉织构组分强化,而{100}〈001〉织构组分弱化;与无拉应力作用下的情况相比,施加5MPa的拉应力时,{111}〈112〉,{111}〈110〉织构组分强化的速率下降,{100}〈001〉织构组分变化不明显。对于在晶粒生长期间持续变化的{111}〈112〉,{111}〈110〉和{100}〈001〉织构组分而言,虽然有、无拉应力作用下硅钢的{111}〈112〉和{111}〈110〉织构组分的高取向差角度晶界频率均下降,而{100}〈001〉织构组分的高取向差角度晶界频率则上升,但当有拉应力作用后,{111}〈112〉和{111}〈110〉织构组分的高取向差角度晶界频率下降的速率变小,{100}〈001〉织构组分的高取向差角度晶界频率上升的速率稍有变小。通过对无取向硅钢在晶粒长大过程中织构转变及晶界变化规律的研究,分析了合金原子在晶界的偏聚行为。 The rules of texture and grain boundary transformation in the nonoriented silicon steel under applied stress or without applied stress during grain growth were investigated by EBSD.The results show that the {111}〈112〉 and {111}〈110〉 components in the nonoriented silicon steel without stress are strengthened during grain growth whereas {100}〈001〉 component is weakened,but the growth rate of {111}〈112〉 and {111}〈110〉 component decreases,while the area fraction of {100}〈001〉 component doesn’t chang... 

{100}织构因具有两个易磁化方向能够明显的提高磁性能,因此如何在表面获得具有{100}织构一直是无取向电工钢研究焦点。本文主要介绍了获得{100}织构的主要工艺方法及其基本原理,并结合实际生产过程对各工艺方法的优缺点进行了分析;一方面,优化无取向电工钢的成分,降低碳、锰元素含量以避免脱碳退火和真空退火,简化生产工艺;另一方面,调节升温速度、降温速度和退火气氛,使{100}晶面的表面能或弹性应变能最低,制备具有{100}织构柱状晶组织的无取向电工钢是今后的发展方向。 Because { 100} texture has two easy magnetization directions,which can significantly improve magnetization properfies,how to develop { 100} texture is a focus for researchers and manufactures. In the paper,main manufacturing processes and basic principle are introdued,and their advantages and disadvantages in practical production are analyzed. On the one hand,the production process can be simplified by optimizing chemical compositions,such as reducing the content of C and Mn,which can avoid deca... 

本发明公开了一种取向硅钢极薄带的工业连续化生产方法，包括异步轧制、脱脂、热处理、急速冷却、涂绝缘层、烘干烧结、卷带收集各工序；其中，异步轧制中使用异步比为1：1.05～1：1.24；脱脂、热处理、急速冷却、涂绝缘层、烘干烧结、卷带收集工序为连续化生产工艺；热处理工序中，第一步为预热，预热温度为500℃～700℃，预热时间4秒～120秒；第二步为相变热处理，相变热处理温度为820℃～920℃，相变加热时间100秒～600秒；急速冷却工序中，钢带30秒内降温到350℃以下。优点在于：实现工业化连续生产取向硅钢极薄带，有效提高产能，生产的取向硅钢极薄带制备高磁感、低铁损等磁性能。