硅钢资料

本发明一种焊接压力容器用碳锰硅钢钢板及其生产方法，钢板化学成分及其重量百分含量为：C：0.18‑0.26%，Si：0.18‑0.65%，Mn：0.92‑1.72%，P≤0.008%，S≤0.002%，Cu：0.30‑0.40%，Ni：0.25‑0.35%，Cr：0.25‑0.35%，Mo≤0.10%，V≤0.10%，B：0.003‑0.005%，余量为Fe及不可避免的杂质元素。本发明钢板中加入的贵合金元素含量相对较少，冶炼成本及后续的生产成本控制较低，市场潜力和竞争力很大。

对取向硅钢熔融态钢液进行处理,对比研究了不同脉冲参数的作用效果。结果表明,电脉冲对钢锭晶粒组织具有明显的细化作用,凝固组织等轴晶比例大幅上升。在脉冲电容、频率、处理时间和电压中,影响等轴晶比例的最显著性因素为脉冲频率;最优正交实验参数为:电容1 200μF,脉冲频率1 Hz,处理时间5 s,脉冲电压800 V;随着输入能量的增大,等轴晶率先增大后减小,脉冲输入能量为某值时,等轴晶率最大,通过经典形核理论和热力学对这一现象进行了解释。 Research on the influence of the electric pulse on the solidification structure of oriented silicon steel was preformed.Electric pulses in different parameters were applied to molten steel and results were compared.The result shows that solidification structure of oriented silicon steel can be improved by the electric pulse,and the equiaxed crystal ratio increases obviously.Among the four parameter factors of electric capacity,frequency,applied time and voltage,the most effective factor is frequ... 

本实用新型公开了一种变压器用硅钢板滑石丸粘接加工设备，用于对变压器用硅钢片进行贴片，其结构包括：机械臂、抓取头、分道排序机构，所述抓取头位于机械臂的末端，用于抓取滑石丸，在抓取头上能够同时抓取多个滑石丸，配合机械视觉系统，就能够更精确的确定贴片位置，并完成贴片，提高了生产效率；所述分道排序机构包括：振动盘、排料板，振动盘中储存有一定的滑石丸，振动盘顶部的出料口与排料板连接，工作时振动盘中的滑石丸依次从出料口进入排料板中，在排料板上的物料通道中运动，物料通道的末端是多条分支，且末端向外敞开，抓取头能够在物料通道末端同时抓取多个滑石丸。

本发明公开了一种切口耐蚀性良好的无取向硅钢及其生产方法，属于电工钢生产技术领域。本发明的无取向硅钢包括以下质量百分比的元素：Si：0.2～2.7％，Mn：0.15～1.0％、Als：0.5～1.0％，Cr：0.1～0.3％；Ni:0.2～0.5％，P：≤0.01％，其余为Fe及不可避免的杂质。其生产工艺为：铁水预处理、转炉炼钢、真空处理、连铸、加热、热轧、酸洗、冷轧、退火处理和涂覆绝缘层。本发明通过合理的成分配比以及相匹配的生产工艺进行生产，最终得到了切口耐蚀性优良的低铁损、高磁感的无取向硅钢，从而能够有效满足电工钢的使用需求。

本实用新型公开了一种取向硅钢绝缘层烘干装置，涉及取向硅钢技术领域，为解决现有取向硅钢在表面层进行烘干的时候，能源大多没有循环利用，不够节能的问题。所述烘干装置主体的上端面设置有加热泵回送机构，所述加热泵回送机构通过输送管道与烘干装置主体连接，且输送管道设置有两个，两个所述输送管道的两端分别贯穿并延伸至烘干装置主体和加热泵回送机构的内部，所述烘干装置主体的内部设置有烘干输送腔体，所述烘干输送腔体的上方和下方均设置有过滤网，且过滤网设置有两个，两个所述过滤网的一侧均设置有加热机构。

本发明公开了一种改善高牌号无取向硅钢表面色差缺陷的方法，属于冷轧卷板表面质量改进技术领域。所述方法为：将连铸坯依次进行热轧、常化、酸洗、单机架轧制和连续退火工序，其中按重量百分数计，所述的连铸坯含有如下成分：C＜0.003%、Si1.6~2.0%、Mn0.35~0.65%、Al0.35~0.65%、P＜0.02%、S＜0.0025%、余量为Fe和其他不可避免的杂质元素，所有成分合计100%；其中热轧工序的卷取温度为620~640℃。本发明所述方法能够降低带钢表面氧化铁厚度并改变带钢表面氧化铁结构，改善高牌号无取向硅钢表面色差缺陷。

采用光学显微镜和X射线衍射仪研究了常化退火处理对无取向硅钢热轧板和成品退火板显微组织和织构的影响。结果表明:常化退火处理消除了热轧板中的变形组织,促使变形晶粒完成再结晶;常化退火处理使高斯织构和立方织构易通过再结晶在变形带内形核和长大,可显著降低成品退火板的{111}和{112}不利织构组分的占有率,提高{100}和{110}有利织构组分的占有率,从而有利于提高无取向硅钢成品板的磁性能。 The effect of normalizing annealing treatment on microstructure and texture of non-oriented silicon steel hot rolled plates and final products were investigated by means of optical microscope and X-ray diffractometer analysis.The results show that the deformed microstructure of the hot rolled plates transformed into recrystallized grain after normalizing annealing treatment.The grains of Goss texture and cubic texture crystallographic orientation were formed and grown by recrystallization in the... 

某厂对电工钢的轧制策略进行了优化，粗轧道次由“1+5”改为“1+3”。在优化后的生产过程中，每次变换钢种，烫辊材就会出现窄尺现象，而紧随其后的电工钢板则出现超宽现象。文中针对该问题，介绍了宽度设定模型和宽度自适应模型的原理，阐述了该问题出现的原因及解决方案，并通过对宽度自适应模型的应用研究及优化攻关，有效地解决了问题，大幅提升了实物质量，降低了宽度封锁率。 The rolling strategy of electrical steel was optimized in a factory,and the rough rolling pass was changed from “1+5”to“1+3”.Subsequently,the following problems were occurred in the production process:when the steel grade changed,the roasting roller steel before the electrical steel appeared the narrow width phenomenon,and then the electrical steel appeared the ultra-wide phenomenon.This paper introduced the principle of width setting model and width adaptive model,and expounded the causes and s... 

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 ... 

根据本发明的一个实施例的取向电工钢板用退火隔离剂组合物，其包含复合金属氧化物，复合金属氧化物包含Mg和金属M，金属M是Be、Ca、Ba、Sr、Sn、Mn、Fe、Co、Ni、Cu和Zn中的一种以上。

采用双辊薄带连铸技术试制了3.98%Si-0.71%Al无取向硅钢铸带,研究了二次冷轧法对硅钢组织和磁性能的影响。结果表明:硅钢铸带显微组织为等轴晶组织,铸带再结晶较完全,常化对铸带显微组织影响较小。二次冷轧工艺和一次冷轧工艺下,最终退火后成品显微组织为等轴晶组织,二次冷轧法最终退火后的晶粒尺寸小于一次冷轧法。二次冷轧法能够提高成品磁性能. Effect of double cold rolling on magnetic properties and microstructure of 3.98%Si-0.71%Al non-oriented silicon Steel Sheets cast by twin-roll thin strip casting process were investigated.The results show that the structure of the thin strip is equiaxed crystal,the recrystallization is complete and normalizing has lesser effect on microstructure.Using both cold rolled and double cold rolled process,the microstructure is equiaxed grain after final annealing.The average grain size of annealed shee... 

以太钢热连轧厂的硅钢为研究对象,利用凸度仪测量热轧带钢出口凸度值,采用矩阵和失效模式的分析方法了解影响带钢凸度变化的主次因素。研究结果表明:通过有效控制轧制过程中的加热温度、时间及采用合理的辊型,硅钢凸度精度提高了4.34%左右。 In this paper,we take the hot-rolled silicon steelsheet of Taigang as the research symbol,exit profile was measured by convex instrument,the primary and secondary factors that affect the strip profile were measured by using matrix and failure mode analysis methed.The results indicate that convexity accuracy has significantly improved by nearly 4.34% through the effective control of the heating temperature,heating time and the use of correct roller type in the process of hot rolling.