硅钢资料

借助实验室设备研究了B元素对高牌号无取向硅钢热轧板组织和磁性能的影响。结果表明,与无硼钢相比,含硼钢的热轧板晶粒尺寸略小,析出物的类型和尺寸没有区别,主要是AlN和(AlN+MnS)复合析出物,少量的MnS析出物,尺寸集中在1.0～2.5μm范围内。未发现BN析出物。在力学性能方面,B对钢的软化作用不明显。在磁性能方面,含硼钢的铁损为3.215W/kg,磁感为1.710T,综合磁性能比无硼钢差。 Influences of boron on microstructure and properties of hot rolled band in high-grade non-oriented silicon steel are researched in this paper by experimental equipments.Compared with boron-free steel,the result shows that boron-bearing steel has smaller grain size,but the type and size of precipitations have no differences.The main precipitates are AlN,(MnS + AlN) composite precipitate and few MnS,the range of which are between 1.0 μm and 2.5 μm.BN precipitation is not found.With reward to mecha... 

研究了含铜低碳低硅无取向电工钢中的析出相及其析出机理.由能谱(EDS)及选区电子衍射(SAED)分析可知,铁素体基体上存在的大量弥散分布的等轴状析出相为类B2结构的铜.这些铜析出相的析出机理可以是一般析出、位错析出、台阶机理相间析出和弓出机理相间析出:一般析出在550、650和750℃三个等温温度均可发生;位错析出只发生在较低的等温温度(550℃),此时析出相呈特殊的平行短列状;台阶机理相间析出也可在上述三个等温温度下发生,但650℃等温时最有利于台阶机理相间析出,此时析出相平直列状分布;弓出机理相间析出只发生在较高的等温温度(750℃),析出相弯曲列状分布. Precipitates in low-carbon low-silicon non-oriented electrical steel containing Cu were studied and the precipitation mechanism was analyzed by means of energy dispersive spectrometry(EDS) and selected area electron diffraction(SAED).It is found that the equiaxed precipitates of Cu with B2-like structure distribute dispersively in the non-oriented electrical steel.The precipitation mechanism involves general precipitation,dislocation precipitation,interphase precipitations formed by the ledge me... 

本发明属于硅钢制造技术领域，具体涉及一种改善硅钢热轧板边部质量的加工方法，包括：连铸、铸坯预变形处理、铸坯加热处理和热轧处理；其中，所述铸坯预变形处理包括：在所述铸坯的温度为500～900℃下，对所述铸坯的沿长度方向的两侧壁通过立辊施加压力，直至形变量h为10～50mm；所述铸坯加热处理的加热温度为1100～1200℃，保温时间为4～6h。本发明提供的改善硅钢热轧板边部质量的加工方法，采用铸坯两侧壁的侧压工艺，有效解决了热轧板边部裂纹的缺陷，提高了边部塑性，提高了成材率并降低了生产成本。

依据GB/T 15616—2008《金属及合金的电子探针定量分析方法》,采用电子探针波谱仪对某W600硅钢中的硅含量进行了定量测定,对影响其定量测定结果的不确定度分量进行了分析,并对不确定度的各个分量进行了计算和合成,最后给出了硅钢中硅含量测定结果的不确定度报告:该硅钢中的硅含量(质量分数)为1.50%,扩展不确定度U=0.20%,取包含因子k=2。 According to GB/T 15616-2008\"Quantitative Method for Electron Prohe Microanalysis of Metals and Alloys\",the quantitative results of Si content in some W600 silicon steel was measured hy EPMA-WDS.The uncertainty components which might affect the measurement results were considered,calculated and synthesized. Finally the uncertainty result for the quantitative value of Si content in the silicon steel was got.The mass content of Si was 1.50%,and expanded uncertainty U=0.20%under the condition of co... 

取向硅钢利用析出物作为抑制剂,抑制初次再结晶晶粒的长大,抑制剂是取向硅钢发生二次再结晶的基本条件之一。文中通过低温板坯加热技术制备取向硅钢,采用透射电镜(TEM)观察并研究了高温退火阶段抑制剂的演化过程。结果表明,渗氮后形成的非晶态Si3N4析出物不稳定,在700～750℃退火升温阶段转化为(Al,Si)N;(Al,Si)N颗粒在800℃发生团聚,随后长大并粗化;(Al,Si)N是低温取向硅钢主要抑制剂,随退火温度的升高,(Al,Si)N抑制力大幅下降。 Precipitates as inhibitor are used to inhibit the grain growth of primary recrystallization in grain-oriented silicon steel,and inhibitor is one of the basic conditions for occurring of secondary recrystallization.The grain-oriented silicon steel was produced by low temperature slab heating and nitriding technique.The evolution of inhibitor was observed by transmission electron microscopy.The results show that Si3N4 particles are precipitated after nitriding,and Si3N4 particles are amorphous and... 

对冷轧无取向硅钢在冶炼过程中各个工序的顶渣进行了检测,分析了顶渣变化原因,并得出结论:硅钢生产宜采用复吹转炉,以降低吹炼终点渣中TFe含量,进而减轻对精炼的压力;使用低S、低Al2O3含量中间包覆盖剂;RH脱氧及合金化顺序采用先加硅铁后加铝;首罐宜经LF提温并降低渣中TFe。 The top-surface slag used for the various production processes in smelting coldrolled non-oriented electrical steel is tested and based on tested results the cause of the top surface slag change is analyzed.So it is concluded that the combined blown converter is more suitable to be used for smelting electrical steel in order to reduce the content of TFe in slag at blow end point and then much better results can be achieved during the period of refining.Secondly the tundish flux contenting low co... 

本发明涉及硅钢片叠片领域，具体涉及一种硅钢片自动叠片设备，包括滑移架、安装座和若干个单层碟片机，每个单层碟片机均包括码放架、横向拉移机构、下压机构、两个同步拉进机构、双层同步下压机构、传动连接器、第二弹性安装座、三个第一弹性安装座和五个电磁铁，通过双层同步下压机构，通过传动板能够与传动连接器之间自动分离，避免使用驱动源进行分离，降低了设备成本，通过传动连接器带动传动管进行移动，减少使用驱动源，降低设备的成本，传动连接器进行下降时也将带动传动管进行下降，使得中部硅钢片、两个纵向硅钢片和横向硅钢片之间进行同时下降，增加了工人的观察时间，减少出现硅钢片偏移的风险。

本发明公开了一种基于硅钢服役特性的立体卷铁心单框损耗测量方法及系统，根据硅钢片在立体卷铁心中的服役特性，获得测量铁心单框所需的非正弦励磁电压波形，通过所述立体卷铁心的心柱绕组电压和单框绕组电压之间的关系，确定所述被测立体卷铁心单框所需的电压有效值，再通过计算机、数据采集卡D/A转换器、功率放大器、隔离变压器和示波器，直接在所述立体卷铁心单框上加载励磁电压，利用功率表测量立体卷铁心单框损耗。本发明利用硅钢的服役特性，获得测量立体卷铁心单框所需的非正弦励磁电压波形和电压有效值，再将励磁电压直接加载到被测立体卷铁心单框，测量立体卷单框铁心损耗。

本实用新型属于冷轧硅钢技术领域的一种冷轧硅钢无压回水自动控制设备，包括底座，底座外表面的上端固定连接有工作台，工作台外表面上端的两侧分别固定连接有固定柱和压辊主体，工作台外表面上端的中部滑动连接有移动架，压辊主体的下端设置有集水槽，集水槽的内表面设置有浮球液位传感器。液压杆工作推动移动架位移到合适的位置，再通过气缸使伸缩管发生位移，使出水口接近钢板，设置的水箱高于出水口所以水可以在重力的作用下流淌，流出的水流到集水槽内，水流在集水槽内聚集，水流使浮球液位传感器的浮球上升，上升到合适的位置时，浮球液位传感器通过电缆发生电信号至控制器，此设置可以实现设备的自动控制，省去人工进行操作。

该电磁钢板用涂布组合物是含有环氧树脂、高温固化型交联剂以及无机微粒的电磁钢板用涂布组合物，相对于所述环氧树脂的100质量份，所述高温固化型交联剂为5～30质量份，所述无机微粒是从金属氢氧化物、在25℃下与水反应而成为金属氢氧化物的金属氧化物、以及具有羟基的硅酸盐矿物中选择的一种以上，所述无机微粒的体积平均粒径为0.05～2.0μm，所述环氧树脂的含量相对于所述电磁钢板用涂布组合物的总质量为45质量％以上，所述无机微粒的含量相对于所述环氧树脂100质量份为1～100质量份。

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... 

通过测试取向硅钢不同工艺条件下的碳含量,探讨了CGO取向硅钢碳含量控制的最优处理条件,研究了脱碳温度和脱碳时间对相同初始碳含量取向硅钢的脱碳效果的影响。结果表明,在气氛为(15%~20%)H2+(75%~80%)N2,炉压差为10~20 Pa的条件下,CGO取向硅钢合适的脱碳温度为1 073 K~1 123 K,脱碳时间为10~20 min。在该处理条件下,能取得较好的脱碳效果。 By means of testing carbon content of oriented silicon steel below the distinct technical conditions,inquires the excellent handle terms of carbon content controlling for CGO oriented silicon steel,studies effects of decarburization annealing temperature and decarburization annealing time to the oriented silicon steel decarburization efficiency in same initial carbon content.The results show that,under the condition of atmosphere(15% ~ 20%) H2+(75% ~ 80%)N2 and furnace pressure difference 10 ~ 2...