硅钢资料

本实用新型涉及一种无取向硅钢蠕变性能测试装置，包括基座，基座的顶部和侧面设有开口；试样夹持装置，试样夹持装置安装在基座的顶部，用于夹持硅钢蠕变试样；转换力杆，转换力杆安装在基座的侧面，与试样夹持装置连接；可调节式砝码盘，可调节式砝码盘安装在转换力杆上，可调节式砝码盘上能够放置不同重量的砝码，转换力杆将砝码的重力转换成水平力，以实现对硅钢蠕变试样不同应力水平的加载；可调节式灯座，设置在试验腔内并与基座的侧面插接；加热装置，放置到可调节式灯座上，用于给硅钢蠕变试样加热。本实用新型具有解决无法实现不同应力和温度下硅钢材料的蠕变研究的问题的效果。

本实用新型公开了一种高磁感低铁损取向硅钢生产用切割装置，包括激光切割台，所述激光切割台上端滑动连接有一个滑动导轨，所述滑动导轨上滑动连接有一个切割主机，所述激光切割台上端且与切割主机相对应位置均匀固定连接有一组锯齿板，所述激光切割台上端且与锯齿板相对应位置活动连接有一个升降板，所述升降板上且与锯齿板相对应位置均开设有一个穿孔，所述升降板上端均匀转动连接有一组滚珠，本实用新型的有益效果是：通过螺纹杆的转动，可以使螺纹套和滑动块滑动，从而利用连接转杆的传动，可以将升降板顶起，使待切割的板材可以在滚珠上滑动，方便对板材位置的调节，并且将升降板下降后，不会影响板材的正常切割。

采用拉伸试验和显微组织观测的方法确定了GTN损伤模型中的9个损伤参数,运用GTN损伤模型对冷轧硅钢薄板边部缺陷的扩展及边裂的产生进行了有限元模拟,并与预置缺口的钢板轧制试验进行对比。结果表明:轧制过程中边部缺陷是造成钢板边部裂纹萌生和扩展的一个重要原因,GTN损伤模型可用来预测含边部缺陷硅钢薄板在冷轧过程中边裂的产生;预测结果与试验结果基本一致。 The crack initiation and propagation of silicon steel strip with edge defect during cold rolling process was studied by using GTN damage model in this paper.Nine damage parameters in GTN model were identified by tensile testing and microstructure observing,and then the FE simulation of edge defect evolution of silicon steel strip during rolling process was conducted on the base of GTN damage model,and then the results were compared with rolling experimental results.The results show that the edge... 

某厂对电工钢的轧制策略进行了优化，粗轧道次由“1+5”改为“1+3”。在优化后的生产过程中，每次变换钢种，烫辊材就会出现窄尺现象，而紧随其后的电工钢板则出现超宽现象。文中针对该问题，介绍了宽度设定模型和宽度自适应模型的原理，阐述了该问题出现的原因及解决方案，并通过对宽度自适应模型的应用研究及优化攻关，有效地解决了问题，大幅提升了实物质量，降低了宽度封锁率。 The rolling strategy of electrical steel was optimized in a factory,and the rough rolling pass was changed from “1+5”to“1+3”.Subsequently,the following problems were occurred in the production process:when the steel grade changed,the roasting roller steel before the electrical steel appeared the narrow width phenomenon,and then the electrical steel appeared the ultra-wide phenomenon.This paper introduced the principle of width setting model and width adaptive model,and expounded the causes and s... 

【作者】 杨洪林； ...

为研究常化温度对热轧无取向硅钢组织与织构的影响,采用光学显微镜、背电子散射衍射技术研究了不同常化温度对其影响。结果表明,实验硅钢板在700～850℃温度下常化时,随常化温度的升高,晶粒尺寸增大,有利组分α织构增强,不利组分γ织构降低。对比研究了800℃和850℃常化热轧板CSL晶界分布图与取向差分布图,在本文研究条件下,Goss织构易在Σ=3,9的CSL晶界及晶粒取向差为30°～55°处形成。 The hot strips normalized at different temperatures were investigated by optical microscope and EBSD to study the effect of normalizing temperature on microstructure and texture of hot-rolled non-oriented silicon steel sheets.The results show that the grain size increases,the intensity of α-fibre texture increases,and the γ-fibre texture decreases when the hot strips are normalized at the 700-850 ℃.And CSL boundaries of Σ=3 and 15,and misorientation angles between 30° and 55° are more likely rel... 

{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... 

本发明公开了一种直流换流阀饱和电抗器用超薄硅钢铁心质量的评估方法，包括以下步骤：S1、外观评价；S2、叠装系数评价；S3、磁性能评价；S4、噪声评价；S5、耐受环境温度变化评价和S6、长期运行性能评价，本发明考虑了直流换流阀饱和电抗器对超薄硅钢铁心外观、叠装系数、磁性能、噪声及长期运行等特性要求，实现了超薄硅钢铁心外形外观的性能评估、铁心基本参数评估、电磁性能评估、耐受环境温度变化评估及长期电热运行特性评估，为直流换流阀饱和电抗器用超薄硅钢铁心可靠运行提供了保障。

本发明公开了一种硅钢与碳钢混合生产条件下提高钢带表面清洁度的方法，硅钢与碳钢混合冷轧轧制条件下，通过控制冷轧乳化液指标，轧机工作辊表面粗糙度，退火工序氢气吹扫流量，平整及重分卷工序钢带涂油量等措施，能够提高钢带表面清洁度。

针对薄板坯连铸连轧流程结合\"获得抑制剂法\"所制备的低温高磁感取向硅钢,通过热力学计算研究了AlN与MnS在连铸与均热过程中的析出规律与行为。计算结果表明,连铸过程中AlN在凝固后的高温α相中便可能析出,而MnS仅可能在凝固后的α+γ两相区内析出。钢中AlN与MnS在均热过程中均处于部分固溶与部分析出的状态。后续高温渗氮处理后初次晶粒的异常长大并不明显,表明渗氮处理前钢中固有抑制剂的数量相对充足。 The precipitation behavior of MnS and AlN in low-temperature high magnetic induction grain-oriented silicon steel produced by thin slab casting and rolling process with\"acquired inhibitor method\"during continuous casting and soaking was studied by thermodynamic calculation.The calculated results show that AlN is likely to precipitate in ferrite after solidification.However,MnS can precipitate only in the two phase region of ferrite and austenite.Meanwhile,MnS and AlN in the steel can not be comp... 

双辊连铸技术是冶金及材料领域内的一项前沿技术,对于生产高品质硅钢具有独特优势.本实验研究了一种双辊铸轧w[Si]=4.5%的无取向硅钢,考察其铸态和常化处理后样品的组织、织构及析出相尺寸特征.结果表明:铸带组织以与铸带法向成5~20(°)倾角的柱状晶为主,晶内存在少量0.3~0.4μm的AlN析出相,铸带织构以λ(<001>//ND)织构为主,表层织构漫散.950℃/10 min常化处理后,析出相尺寸增大,表层λ织构增强. As an advanced technique of metallurgy and material science,twin- roll strip casting has unique advantages for producing high quality silicon steel. The present study was aimed at a 4. 5% Si non- oriented electrical steel for analyzing the structure,texture and the size of precipitates at the initial and normalized state. The results revealed that the initial structure mainly consisted of columnar grains with 5 ~ 20( °) angle to the normal of cast strip,and some AlN precipitates of 0. 3 ~ 0. 4 μ... 

本发明公开了用于激光切割硅钢片及超薄件的高效快速定位夹紧装置，属于激光切割机技术领域。用于激光切割硅钢片及超薄件的高效快速定位夹紧装置，包括基体，所述基体内设有储渣腔，还包括：长条板，通过支块对称固定连接在所述基体的两侧；两组传送辊，转动连接在所述长条板上，本发明可以对硅钢片快速的进行锁紧固定，防止激光切割机在对硅钢片进行切割时，硅钢片发生移动，有效的提高了对硅钢片的切割精度和切割效率，同时切割产生的废料则会在自身重力的作用下掉落进储渣腔内进行收集，从而便于工作人员后续对废料进行集中处理，在对硅钢片进行传送时，可以增大硅钢片与传送辊之间的摩擦力，有效的提高了在传送硅钢片时的稳定性。