硅钢资料

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。

简要介绍了宝钢无取向电工钢的发展历程、产品大纲、电磁性能控制情况,以及高附加值新产品的开发、应用情况。概述了近年来宝钢无取向电工钢生产技术进步,主要包括夹杂物控制技术、连轧机高牌号硅钢制造技术、同板差控制技术、环保涂层开发技术等。 This paper briefly summarizes the development history, product catalogue, and magnetic properties of non-oriented electrical steel sheets at Baosteel, as well as the development and application of high-value-added steel grades. Recent advances in manufacturing electrical steel sheets are also introduced, including technologies for controlling inclusion, producing high-grade steel strips by a tandem rolling mill, and controlling the transverse thickness difference of steel sheets, as well as the ... 

利用X-射线衍射织构分析和线形分析技术测定了交叉轧制双取向硅钢在制备工艺各阶段的织构及微结构,进而探讨了立方织构({100}<001>)的形成过程。通过对实验结果的分析可知,二次冷轧和交叉轧制工艺为立方织构提供了内能优势和有利的形变织构,而低温预退火工艺既强化了立方织构的内能优势,又为立方织构的异常长大提供了有利的组织保证,最终在抑制剂(AlN和MnS)的协同作用下,硅钢在二次再结晶退火后形成了强烈的立方织构。 The texture and substructure of the double oriented electrical steels produced by the cross rolling technology during the difference process has been measured by means of the X-ray texture and diffraction peak profile analysis technology,and research the formation mechanism of cube texture,{100}<001>.The results show that the dominances of inner energy and deformation texture were supplied by secondary cold rolling and the cross rolling technology and strengthened by pre-annealing at a low... 

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。

本实用新型公开了高牌号取向硅钢生产用辊轧机，包括辊轧机本体和夹送辊，所述辊轧机本体的底端安置于承托组件的顶端，且承托组件的两侧对称设置有机架，所述辊轧机本体一侧的机架顶端对称安装有两个换向机构，且两个换向机构顶部的一侧共同设置有上下两个夹送辊。该种高牌号取向硅钢生产用辊轧机中不仅能够通过两个液压缸同步伸缩，带动横担的两端反向旋转，从而灵活调节夹送辊的相对水平高度，进而提高了钢带输送角度的调节效率；而且在夹送辊旋转输送钢带时，换热介质经由两组导液管、旋转接头在夹送辊中输入、输出，通过直接接触进行全面换热，如此循环往复，进一步提高了对钢带的冷却效率。

采用磁控溅射方法,分别在纯Fe以及低硅钢基片上沉积富Si膜,并对其进行真空扩散热处理.通过能谱分析及X射线衍射研究了Si在纯Fe与低硅钢基体中的扩散特征,运用DICTRA软件建立了扩散模型.研究发现Si在纯Fe基体中扩散时发生γ-Fe(Si)→α-Fe(Si)相转变,扩散速率受控于相界面的迁移.当沿截面Si含量梯度不足以驱动相界面正向迁移时,延长扩散时间会发生相界面回迁现象,最终趋于单一相内均匀化扩散过程.Si在低硅钢基体中的扩散符合Fick扩散第二定律. Si-rich films were deposited on pure iron and low-Si steel substrates by direct current magnetron sputtering,and then were subjected to vacuum annealing.The distribution characteristics of Si across Fe and low-Si steel substrates were studied by energy spectrum analysis(EDS) and X-ray diffraction(XRD).DICTRA software was used to simulate the diffusion models.It is found that the diffusion behavior of Si in the Fe substrate is from γ-Fe(Si) phase to α-Fe(Si) phase and the rate of diffusion is con... 

通过试验确定氩气分析流量为3.5L/min,静态流量为0.75L/min,冲洗时间为3s,预燃时间为12s,积分时间为5s的激发条件,采用火花源原子发射光谱法测定取向硅钢中碳、硅、锰、磷、硫。分别采用铣床铣样、砂轮磨样两种制样方式进行了精密度考察,发现制样方式对结果影响不大;讨论了取向硅钢样品中碳、硅、锰、磷、硫测定时可能存在的共存元素干扰,发现硅对锰元素的干扰不可忽略,采用干扰系数法进行了校正,据此拟合得到各元素校准曲线的相关系数均在0.999 0以上。精密度考察结果表明,碳、硅、锰、磷、硫的相对标准偏差(n=10)在0.71%~9.4%之间。对两块取向硅钢生产样品进行分析,并与钢铁研究总院进行比对分析,结果一致,且偏差均在允许范围内。 Carbon,silicon,manganese,phosphorus and sulfur in oriented silicon steel were determined by spark source atomic emission spectrometry.The selected excitation conditions were as follows:the analytical flow rate of argon was 3.5L/min,the static flow rate was 0.75L/min,the flush time was3s,the precombustion time was 12sand the integration time was 5s.Two sample preparation methods,including milling machine and grinding wheel,were investigated.The precision test results showed that,the determination... 

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。

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... 

利用OM、EBSD等手段研究了热轧板两段式正火时在700℃保温不同时间(0、10、30、60 min)对含Sb冷轧无取向电工钢磁性能的影响。结果表明,700℃保温10 min处理的样品铁损最小,磁感最高。对成品板的组织分析结果表明,试样的晶粒尺寸随700℃保温时间的延长先增大后减小,保温10 min时晶粒尺寸达到最大;分析成品试样织构发现,有利织构组分随700℃保温时间的延长先增加后减少,保温10 min时有利织构组分所占百分比最高。因此,含Sb冷轧无取向电工钢两段式正火时在700℃保温10 min时磁性能最好。 Effect of two-stage normalization on magnetic property of non-oriented electrical steel containing antimony was investigated by using optical microscope(OM) and electron back-scattered diffraction technology(EBSD).The experimental results show that the iron loss and magnetic permeability of the specimen insulated at 700 ℃ for 10 min are lowest and highest respectively.The grain size of the finish specimens increases first and then decreases with the increase of holding time.Similarly,the advanta... 

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... 

本发明属于智慧物流技术领域，具体的说是一种用于硅钢卷运输的智慧物流系统及防塌卷装置，包括运输模块、支撑模块、感应模块与分析模块；所述支撑模块以设置在硅钢卷内圈的支撑组件为载体；所述感应模块以设置在支撑组件上的感应组件为载体，且所述感应组件内设置有若干个均匀分布的压力感应器；所述分析模块以中央处理器为载体；本发明通过在支撑硅钢卷的支撑组件上设置感应组件，使得工作人员对硅钢卷内部的清洁度与杂质位置进行有效的判断，并通过定点清理其内部的杂质，减少硅钢卷内部的硅钢片在支撑时被压伤的情况，提高了硅钢卷在物流运输时的安全性。