硅钢资料

对CSP流程生产的高磁感无取向电工钢50W1300在偏离轧制方向不同角度处的磁性能进行了测试和分析。结果表明:在偏离轧向不同角度处,磁性能差异显著,尤其在α=60°时磁感最低;偏离轧制方向不同角度处的磁性能大小取决于织构类型、强度及分布状态;增强{100}<0vw>和α、η取向的有利织构组分,降低不利的γ取向织构组分,且使有利织构组分分布越漫散,磁各向异性越小。 Magnetic properties of high magnetic induction non-oriented electrical steel 50W1300 produced by CSP processes were investigated with different direction in relation to the rolling direction.The result shows that magnetic properties are significantly different in relation to the rolling direction,in particular,the minimum magnetic induction occurs at 60° in relation to the rolling direction.Magnetic properties of different directions in relation to rolling direction depend on type and distributi... 

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。

本发明提供一种无取向电工钢的制造方法，包括连铸和RH精炼工序，连铸坯化学元素质量含量为C≤0.0050%、Si：0.50~2.20%、Mn：0.20~1.20%、P：0.020~0.040%、S≤0.0020%、Als≤0.0050%、Ti≤0.0005%、N≤0.0025%，余量为Fe及不可避免的杂质；且0.4≤Mn/Si≤0.6；RH精炼工序，脱碳结束后向钢中同时加入铝粒、微碳硅铁复合脱氧，使用铝粒脱除氧量与使用微碳硅铁脱除氧量之比为1/15~1/5，钢中主要生成低熔点MnO‑SiO2‑Al2O3夹杂，能被快速去除，钢水洁净度高。本发明电工钢与现有的电工钢相比，在相同磁感应强度下铁损更低。

一种高磁感低铁损取向硅钢生产用修复装置，包括：工作台，工作台上方设有放置板，放置板两端均设有L形夹板，放置板两侧位于两个L形夹板相对位置均开设有驱动槽，两个驱动槽内底部均水平设有一号螺杆，本实用新型具有以下优点：通过一号电机带动一号螺杆进行转动，使两个L形夹板相互靠近，便于对放置板上的取向硅钢片进行夹持固定，提高其修复过程的稳定性，避免其修复过程中发生移动；通过风机组将修复过程中产生的残渣吹至收集口，并落入收集箱内，提高工作台表面的清洁度；通过电动滑轨以及二号电机带动二号螺杆进行转动，便于使修复装置主体对准取向硅钢片修复部位，降低时间和劳动力的消耗，提高工作效率。

运用电子背散射衍射(EBSD)和X射线衍射(XRD)技术对硅钢热轧板的织构在板厚方向的分布进行了研究,并分析了两种织构测量方法的特点。EBSD技术能直观给出板厚方向的微观织构,XRD能得到钢板的宏观统计织构信息,结合两种技术的分析,能更直观更精确的研究不同织构在板厚方向的分布。 The texture distribution along the thickness of the silicon steel has been investigated by electron backscatter diffraction(EBSD) and X-ray diffraction(XRD) technique.The characteristics of two technique of texture analysis have been investigated.Combined the two techniques,the texture distribution along the thickness of the silicon steel could be realized distinctly and accurately. 

提出一种基于粒子群优化算法实现的硅钢涂层厚度近红外光谱检测新方法。首先,采用近红外光谱仪采集获得了硅钢表面绝缘涂层的近红外光谱,然后,采用离散粒子群算法筛选出近红外光谱数据的最佳波长变量并组成新的光谱数据,最后,建立涂层厚度的核偏最小二乘定量分析模型。实验显示,所建定量分析模型对检验样本分析的绝对误差范围为-0.12～0.19μm,最大相对误差为14.31%,完全符合现场检验需要。研究表明,离散粒子群算法可以有效地筛选出携带更多有用信息的波长变量,提高定量分析模型的分析准确度和速度,是一种有效的近红外光谱波长筛选方法,同时,近红外光谱法也是一种有效的硅钢绝缘涂层厚度检测方法。 A novel thickness measurement NIR spectrometry for surface insulation coating of silicon steel based on discrete binary particle swarm optimization(DBPSO) algorithm is presented.First,we used NIR spectrometer to collect the NIR spectra of insulation coating of silicon steel,and then,DBPSO algorithm was used to select the optimal wavelength variates and composed a new spectra set.Last,the authors created the thickness quantitative analysis model using kernel partial least square algorithm.The exp... 

介绍了烟气余热利用系统的工艺流程及控制思想,结合该系统在钢厂硅钢连续退火机组中的应用实践,估算出烟气余热利用系统每年可节约蒸汽5 040 t,经济效益良好,同时分析了该系统存在的问题及对策。 Introduced a method about the process and control of the application of waste heat system, which had been used into a silicon steel continuous annealing line and profiting a good economic benefit by saving a large number of steam every year, which has been estimated about 5 040 tons, and analyzed the problems and solutions existed in this system. 

【作者】 汤婧； ...

【作者】 杨洪林； ...

本发明的取向性电磁钢板的制造方法能够稳定地制造被膜特性和磁特性优异的取向性电磁钢板。其包括：对含有规定的添加元素的钢坯进行热轧；冷轧制成最终板厚；进行脱碳退火；涂布以MgO为主剂的退火分离剂；进行最终退火，其中，上述退火分离剂的主剂的BET比表面积比率H2O/N2为0.6～1.6且浆料状态下粒径40μm以上的粒子的比例为5质量％以下。

针对攀枝花钢钒有限公司难以稳定生产w(S)≤0.006%高级别电工钢的问题,通过开发RH脱硫剂、钢包渣改性及工艺参数控制,形成了RH脱硫系统工艺技术。经工业试验表明,采用该工艺技术后,钢水脱硫率最高达到42%,成品w(S)控制在0.005%以下,全氧、氮含量也得到了较好的控制,且脱硫剂没有引起钢水增碳,满足高级别电工钢的生产要求。 In light of the difficulty of production of high level electrical steel w(S)≤0.006 % steadily in Panzhihua steel & vanadium Co.,Ltd.the process technology of RH desulfurization system has been formed by developing the RH desulfurizer,modifying the ladle slag and controlling the process parameters.Industrial experiments show that the desulfurization rate of hot metal rises to 42 % and the w(S) of the finished products is controlled in below 0.005 % and total oxygen and nitrogen contents are a... 

本文以热轧常化板为初始材料,采用二次冷轧法与三次冷轧法制备了0.1 mm厚的取向硅钢薄带,测定相应的磁性能,并通过EBSD取向成像技术检测了二次冷轧法与三次冷轧法各工艺过程中织构与组织演变规律。结果表明,采用最终冷轧压下率适中的三次冷轧法,能在冷轧至0.1 mm时保存较多的高斯晶核,使得高温退火后的磁性能明显优于二次冷轧法。最终冷轧压下率通过影响脱碳退火后样品中的{111}<112>织构组分及Goss晶粒数量对最终二次再结晶产生重要影响。 Grain-oriented silicon steel sheets with a thickness of 0. 1 mm were produced from hot-rolled and normalized sheets by two-step-rolling and three-step-rolling methods. Their magnetic properties were measured,and the textures were detected by EBSD technique. The results show that the three-step-rolling method,which has a moderate reduction rate of final cold rolling,can maintain more { 110} < 001 >nucleus,and thus obtaining better magnetic properties compared with the two-step-method. The f...