硅钢资料

本发明公开了一种高硅钢的冷轧生产工艺。该生产工艺属于机械制造技术领域，其中的处理工序的加热工序通过电磁感应加热装置加热，待处理钢经过加热工序的速度为30‑200mpm，加热工序的加热温度为70‑120℃。本发明具有生产效率高和生产质量高的特点，特别是在加热工序中对待处理钢采用电磁感应加热装置进行加热，使其可以快速有效地提升温度，以满足高硅钢的冷轧生产工艺要求，减少断带事故，具有很好的实用性和创新性。

通过在实验室条件下模拟薄板坯连铸连轧流程,并在以Cu2S为主抑制剂制造普通取向硅钢(CGO)的基础上,加入适量钒钛,研究了钒钛对取向硅钢组织与磁性能的影响。结果表明,适量钒钛使热轧板和脱碳退火板组织更好,尤其使脱碳退火板的晶粒更加细小和均匀;加入适量钒钛不但使热轧板表面高斯织构强度更高,更使脱碳退火板中有利于高斯织构发展的γ织构强度更高;适量钒钛能形成Cu2S+(V,Ti)N等复合析出物,起到辅助抑制剂作用,加强抑制能力。细小均匀的晶粒、强度更高的有利织构和更强的抑制能力使CGO钢磁性能更佳。 Effect of V and Ti on microstructure and magnetic properties of conventional grain-oriented silicon steel(CGO) were investigated under simulated thin slab continuous casting and rolling process in laboratory with Cu2 S as the dominant inhibitor. The results show that appropriate amount V and Ti make the microstructures of the hot rolled sheet and the decarburizing annealed sheet better,especially make the grains of the decarburizing annealed sheet more tiny and uniform. Adding appropriate V and ... 

系统研究了无取向硅钢用磷酸盐系涂层性能的影响因素。以氢氧化铝和磷酸为原料制备磷酸二氢铝,再添加适量的添加剂酒石酸铵、二氧化硅、环氧树脂,得到的涂液涂布于硅钢表面,并控制合适的烘干温度,通过耐盐雾实验考察各因素对涂液耐腐蚀性能的影响。实验结果表明,在磷酸与氢氧化铝物质的量比为3.4∶1、酒石酸铵用量为2%、二氧化硅用量为1%、环氧树脂用量为5%、烘干温度为300℃条件下,所得涂层材料的防(耐)腐蚀效果最佳。 The factors influencing the performance of phosphate anticorrosive coating for non-oriented silicon were systematically studied.Aluminum dihydrogen phosphate was prepared with aluminum hydroxide and phosphoric acid as raw materials.Then added the right amount of additives,such as ammonium tartrate,silicon dioxide,and epoxy resin to prepare the liquid coating,which was coated on the surface of the silicon steel,and finally controlled a suitable drying temperature.The influences of various factors... 

试验研究了球刻痕法对高磁感取向硅钢的铁损、矫顽力、相对磁导率、巴克豪森噪声等磁学性能的影响.研究结果表明:经过球刻痕处理后,高磁感取向硅钢的铁损明显降低,矫顽力下降,8 mm球刻痕过后铁损值与矫顽力分别下降16.2%和14.7%,且铁损和矫顽力均随刻痕间距降低而减少.刻痕后的高磁感取向硅钢磁导率在高磁感应强度下明显上升,刻痕后巴克豪森噪声值明显降低,经过对比分析确定8 mm为球刻痕的最佳刻痕间距.从磁畴观察、细化磁畴的原理等方面解释了细化磁畴对高磁感取向硅钢性能的影响原因. The effects of the ball scribing on magnetic properties of high permeability grain-oriented silicon steels,including the iron loss,coercive force,relative permeability,and Barkhausen noise were investigated. The results showed that the iron loss and coercive force of the high permeability grain-oriented silicon steels apparently decreased 16. 2% and 14. 7% respectively after 8 mm ball scribing and they both decreased with the decrease of the scribing spacing at the same magnetic flux density. At... 

聚焦无取向硅钢产品标准,从电磁性能、表面性能、机械性能以及尺寸公差与边部质量等维度对国际标准IEC、EN、JIS、ASTM以及国标GB进行了分析研究。分析得出,各类标准在电磁性能方面要求基本一致;ASTM标准的机械性能要求有别于其他几个标准。 In this paper,non-oriented silicon steel standards of EN,JIS,GB and ASTM were compared and analyzed. It is showed that,all types of standards in electromagnetic performance requirements are basically the same. Surface properties in ASTM standard are expressed in the most detailed. The mechanical properties requirements of the standards,except for ASTM,are basically the same. 

本发明涉及变压器的技术领域，特别是涉及一种应用电工钢的变压器，其通过设置扇叶与冷凝盘管，通过冷却液与风冷共同对电工钢铁芯进行降温，避免电工钢铁芯工作过热导致电工钢铁芯损坏，提高使用稳定性；包括变压器箱体、两组固定支撑腿、电工钢铁芯、固定卡块、风机支架、风机、扇叶转轴、扇叶、冷却箱体、循环泵、冷却管、冷凝盘管、冷风机支架和冷风机，所述变压器箱体内部设置有空腔，所述变压器箱体右端连通设置有散热口，两组所述固定支撑腿对称固定安装在变压器箱体内部，所述固定支撑腿内端设置有紧固卡槽，所述电工钢铁芯左右两端对称固定安装有两组固定卡块，所述固定卡块固定卡装在固定支撑腿紧固卡槽中。

研究了锰含量对w(Si)=1.8%Si无取向电工钢组织和性能的影响。结果表明,钢中锰含量从0.3%增加到1.2%时,由于α_γ相变的产生,铸坯低倍组织、热轧板金相组织及成品织构等均发生了不同程度的变化,对成品表面质量及磁性能产生了明显的影响。 The effects of manganese content on structure and properties of w(Si)=1.8% non-oriented electrical steels have been studied.Results show that with increasing manganese content to 1.2% from 0.3%,macrostructure of continuous casting slab,hot rolled band metallurgical structure and finished product texture vary in some extent because of the occurrence of α-γ phase transformation,the surface quality and magnetic properties of finished product are affected greatly. 

本发明涉及电工钢生产技术领域，具体涉及一种冷轧取向电工钢钢带的渗氮处理工艺，旨在解决现有技术渗氮速度慢，渗氮效果不佳，能耗大，生产周期长的问题，包括以下步骤：S1、经过冶炼、连铸后，对铸坯进行热连轧、常化酸洗、冷轧及脱碳退火的工序；S2、在渗氮炉内进行两段渗氮处理：S21、第一段渗氮处理的渗氮温度为750‑950℃，渗氮时间为25‑35s,另外，渗氮介质的喷射压力为0.15‑0.25MPa,渗氮介质的流量为5‑20NL/min；S22、经稀土溶液浸泡1‑2小时后，继续第二段渗氮处理，其渗氮温度为460‑560℃，渗氮时间为10‑25s，另外，渗氮介质的喷射压力为0.15‑0.25MPa,渗氮介质的流量为1‑10NL/min；S3、涂隔离剂、高温净化退火后得到成品。

本发明涉及冶金技术领域，具体涉及一种高牌号硅钢用连铸结晶器保护渣及其制备方法和应用。本发明提供的连铸结晶器保护渣，所述保护渣包括如下质量百分比的化学成分：SiO2：40‑45％、CaO：20‑27％、MgO：1.0‑2.5％、Al2O3：1‑3％、Na2O：12‑16％、F：10‑13％、C：1‑3％，其余为不可避免的杂质；其中所述保护渣的二元碱度CaO/SiO2为0.5‑0.6，熔点为950‑1000℃，1300℃下的粘度为0.25‑0.35Pa·s。本发明提供的连铸结晶器保护渣，通过低碱度、低熔点、低粘度的保护渣可有效抑制高牌号硅钢材料在连铸时铸坯表面易出现凹陷和裂纹的现象。

本申请实施例公开了一种硅钢铁芯生产用多功能卷绕机，包括平台板，所述平台板底部的左侧固定连接有旋转电机，所述旋转电机的输出端固定连接有旋转杆，所述旋转杆的顶部固定连接有转盘，所述转盘的顶部固定连接有铁芯型模，所述铁芯型模的外表面活动连接有限定座，所述平台板顶部中心的左侧固定连接有第一U型板。第一弹簧和升降板的配合使用，可以让使用者下压升降板，使得升降板带动安装杆进行向下移动，继而使得安装杆脱离第二U型板所开设的轴槽，继而使得安装杆的顶部存在一定的间隙，进而可以通过间隙将带盘插入在安装杆上，该方式装卸起来简单快捷，可以有效的减少装卸带盘所消耗的时间，从而提高了设备的工作效率。

利用XRD和EBSD研究了长轴分别平行于轧向(RD)、横向(TD)和轧面法向(ND)的柱状晶样品在热轧、冷轧及退火过程中的组织、织构演变规律,并分别从几何诱导和取向诱导两个方面分析了晶界的交互作用.结果表明,热轧时由表面摩擦剪切作用引起的组织和织构梯度直接影响并遗传给后续冷轧及退火样品.热轧后,不同样品的初始晶粒形状各向异性差异消失,形成相同的各向异性晶界组织,但晶体学各向异性发生改变,导致随后冷轧、退火组织及织构的变化均不同于直接冷轧的柱状晶样品.研究中特别关注了对磁性能有利的{100}取向区域与晶界的关系. Columnar grains show their special characteristics of morphological and crystallographic anisotropies, and thus markedly influence the microstructure and texture evolution during rolling and annealing process in electrical steel. The rolling and annealing microstructure and texture of three columnar grained samples with the long axes arranged along different directions were investigated by means of XRD and EBSD techniques, and the effects of columnar grain boundaries were analyzed from the view ... 

结合实际生产0.4%Si无取向硅钢，统计了不含Sn和0.025%Sn无取向硅钢的磁性能变化，利用金相显微镜、X射线衍射仪观察分析不同成分下试样的显微组织和微观织构。试验结果表明：Sn元素可以显著降低无取向硅钢的晶粒尺寸，0.025%Sn试样的平均晶粒尺寸比不含Sn减小28.4%;加入Sn元素后抑制了无取向硅钢中不利于磁性能的{111}面织构组分强度，提高了对磁性能有利的{100}面织构组分强度，0.025%Sn与不含Sn相比磁感均值从1.756 T提升至1.768 T,铁损均值从5.476 W/kg降低至5.204 W/kg,明显改善了无取向硅钢磁性能。 In this paper combined with the actual production of 0.4% Si non oriented silicon steel, the magnetic properties of non oriented silicon steel without Sn and 0.025% Sn were counted. The microstructure and microtexture of samples with different compositions were observed and analyzed by metallographic microscope and X-ray diffraction. The results show that: Sn can significantly reduce the grain size of non oriented silicon steel, and the average grain size of 0.025% Sn sample is 28.4% smaller tha...