硅钢资料

本发明提供一种退火隔离剂及退火隔离剂悬浮液的制备方法与无底层低温高磁感取向硅钢的制备方法。所述退火隔离剂按照重量份包括如下组分：CaO：1‑5份，Al2O3：50‑58份，Ca(AlO2)2：1‑5份，MgO：30～38份，添加剂：1‑2份。本发明的退火隔离剂不仅能够起到高温退火时钢板之间的隔离作用，而且能够在升温过程中保护抑制剂对二次再结晶晶粒的抑制能力，确保二次再结晶晶粒稳定长大，成品磁性能优异，进而稳定制备出表面光洁，边部完全无底层的低温取向硅钢成品。

硅钢工业退火炉温度控制具有强耦合、纯滞后、多扰动等特点,它的控制方法代表着一类非线性系统控制的解决方法。以硅钢工业退火炉温度为控制对象,在双交叉限幅控制的基础上引入了智能学习系统,形成了基于智能学习系统的双交叉限幅控制方法来解决此类非线性系统的控制问题,并通过模块化的编程来实现其功能。结果表明:与传统的PID控制相比,该控制方法的控制精度、抗扰性等控制指标有明显提高,是解决此类非线性控制的一种有效方法。 The temperature control of silicon steel industrial annealing furnace has the features of strong coupling,pure lag,multidisturbance. The control method represents the solution of a class of nonlinear control systems. The control object is the temperature control of silicon steel industrial an-nealing furnace, the intelligent learning system based on Double Across Limit Control is introducedand used to solve control problem of this kind of nonlinear system, and the module programming isused to re... 

本实用新型提出一种EI型硅钢片，所述EI型硅钢片呈长方形，其包括两个E形片和两个I形片，所述两个E形片开口相对且对称设置，所述两个I形片分别连接于两个E形片相接形成的两个空挡内，所述长方形的长度A为120mm，宽度B为88mm；其中，E形片的高度C为60mm，中间舌部宽度D为29.5mm，舌部高度E为44mm，其上两侧边柱宽度F为13.25mm；I形片宽度G为16mm，长度H为88mm。本实用新型采用两个E形片和两个I形片对称设置，在冲压时充分利用材料，不会造成多余废料，且其与现有EI90型硅钢片相比，其面积为EI90型硅钢片面积的97.78％，即硅钢材料重量也为EI90的97.78％，减少了硅钢用量。

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 ... 

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。

冷轧无取向硅钢（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N）经890℃或940℃3 min常化的2.3 mm热轧板冷轧成0.35 mm薄板。研究了常化温度和800⁹20℃3 min退火对该钢高频（400Hz）磁性能和抗拉强度的影响。结果表明,830⁹20℃退火时高频铁损P_10/400值最低,随退火温度增加,晶粒尺寸增大,钢的抗拉强度降低;该钢的最佳热处理工艺为常化温度940℃,退火温度830℃,其抗拉强度R_m、高频铁损P_10/400和磁感应强度J₅₀分别为565 MPa,21.5 W/kg和1.69 T。 The cold-rolled non-oriented silicon steel（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N） is cold-rolled to 0.35 mm sheet from 2.3 mm hot-rolled plate normalized at 890 ℃ or 940℃ for 3 min.The effect of normalizing temperature and annealing process at 800 ⁹20 °C for 3 min on high frequency（400 Hz） magnetic properties and tensile strength of the steel has been tested and studied.Results show that with annealing at 830 920 ℃the high frequency iron loss value P_10... 

采用扫描电镜、原子力显微镜研究了铬酸镁半无机绝缘涂层的微观结构。结果表明,涂层厚度为数微米,涂层中的有机树脂乳液颗粒均匀分布在无机涂层的表面,从而保证了涂层具有良好的冲片性能。采用极化曲线研究了涂层的耐蚀性能,发现铬酸镁与铬酸锌绝缘涂层的耐蚀性能相当。 In this paper,the microstructure and anti-corrosion property of magnesium chromate coating on non-oriented silicon steel were studied.The microstructure was observed by SEM and AFM.The anti-corrosion properties were evaluated by polarization curves.The results show that the thickness of coating is several microns and the polymer particles were scattered on the surface of inorganic coating,which is the guarantee for lamination property.The corrosion resistance of the magnesium chromate film was e... 

Fe-6.5%Si高硅钢是一种具有高磁导率、低矫顽力和低铁损等优异软磁性能的合金,但是其室温脆性和低的热加工性能严重影响了其在工业领域的应用。综述了Fe-6.5%Si高硅钢的性能,评述了合金的改性法、特殊轧制法、快速凝固法、沉积扩散法、粉末冶金法等制备工艺。 It is well known that 6.5%Si high silicon steel is one kind of soft magnetic materials with higher re-lative permeability,lower coercive force and iron loss than those of conventional industrial silicon steel.However,their room-temperature embrittleness and poor workability limit their practical applications in the industry.The pre-paration technique such as modification treatment on alloy,special rolling,rapid solidification,CVD and powder me-tallurgy is reviewed. 

变压器D21硅钢铁芯片采用冲压工艺生产。首先对其工艺进行了分析,确定了冲压方案。对产品进行了排样设计,计算了冲压力,确定了压力中心。然后,设计了单工序落料模具,完成了模具装配图。 D21 silicon steel chips for transformer are produced by stamping.First,its stamping process was analyzed and the scheme of the stamping process was determined.The product layout was designed,the punching pressure was calculated,the pressure center was determined.Then,the blanking die with single procedure was designed,the die assembly drawing was completed. 

本申请提供了一种高强度变压器取向硅钢片，属于变压器硅钢片领域，该一种高强度变压器取向硅钢片，包括第一硅钢片本体和固定机构，所述第一硅钢片本体表面开设有两个第一通孔、两个第一通槽和一个第二通槽，所述第一通槽间隔设置在两个所述第一通孔之间，所述第一硅钢片本体表面设有滑条，所述第二硅钢片本体插接在所述通槽内，所述第一螺纹杆插接在所述第二通孔内，所述第二螺纹杆插接在所述第一通孔内，所述螺帽螺纹连接在所述第一螺纹杆和所述第二螺纹杆两端，该一种高强度变压器取向硅钢片能够将垂直和横向均产生拉力来固定硅钢片减轻了振动，噪音小且利用凹槽和滑条进行堆叠能够精确的将硅钢片表面的通孔对齐。

【作者】 姚昌国； ...

以试验室模拟CSP工艺生产的Fe-3Si热轧钢带为研究对象,采用正交试验及方差分析的方法,研究了取向硅钢初次再结晶退火工艺对高温退火后获得锋锐的高斯织构的影响。结果表明:取向硅钢两段式初次再结晶脱碳退火工艺参数加热段保温时间及加热温度是高温退火后获得锋锐高斯织构的主要影响因素,其可信度分别在90%和85%以上;在本试验条件下,通过正交试验获得的最佳退火工艺为:冷硬板经600℃保温3 min和850℃保温6 min。 Fe-3Si hot rolled strip was produced by simulating CSP technology in the laboratory.Orthogonal experiment and analysis of variance were carried out to investigate the influence of primary recrystallization on the sharp Goss texture of the oriented silicon steel.The results show that holding time of the heating section and the heating temperature for a sharp Goss texture of the samples annealed has important implications in this experiment conditions,the two-step decarburization annealing process...