钢厂
CN202111230194.0一种重质硅钢级氧化镁的制备方法
本发明涉及低温取向硅钢片制造领域,具体为一种重质硅钢级氧化镁的生产工艺。为提升现有取向硅钢片的表面质量,将工业氧化镁、聚乙烯醇粘结剂和水在不锈钢反应罐中水热合成氢氧化镁,经压滤、煅烧、冷却、气流粉碎、包装产物为重质硅钢级氧化镁。产品具有生产工艺独特、成本较低,能明显提高取向硅钢片的表面质量和增加磁感应强度,降低铁损,提高取向硅钢片的正品率。可针对性在取向硅钢片生产厂家推广使用。
CN202180025447.2取向性电磁钢板及其制造方法
本发明提供一种能够有效地抑制去应力退火中的渗碳、氮化的,实施了耐热型的磁畴细化处理的取向性电磁钢板。该取向性电磁钢板在一侧面具有多个槽,在所述钢板的表面至少具备镁橄榄石被膜,该多个槽是朝向横切轧制方向的方向线状地延伸且在该轧制方向隔着间隔地并列,并且,形成于所述槽的底部的所述镁橄榄石被膜厚度的平均值为0.45μm以上,并且该厚度的标准偏差σ为0.34μm以下。
温度及扩散时间对CVD法制备高硅钢的影响
采用CVD法制备6.5%Si高硅钢,介绍了具体的制备工艺过程,研究了温度对渗硅速率和试样质量减轻的影响,同时分析了扩散时间对高硅钢中硅分布的影响。结果表明:在CVD反应过程中,反应温度高于1050℃将大大提高渗硅速率,但当温度大于1200℃后,渗硅速率趋于稳定;渗硅后,试样会减轻、减薄,随着温度升高,试样质量减轻的速率逐渐增大,在1200℃左右趋于稳定;扩散时间越长,硅分布越均匀,结合制备效率进行考虑,满足Δw表-中/b≤5的时间为适宜的扩散时间。 6.5%Si high silicon steel was manufactured by using CVD method and the process was introduced,the influence of temperature on the siliconizing rate and quality reducing rate,diffusion time on silicon distribution were investigated.Results as follows: the siliconizing rate will increase quickly when the temperature is higher than 1050 ℃,but the siliconizing rate will become steadily as the temperature up to 1200 ℃;The quality reducing rate will increase with the elevating of temperature and the r...
无抑制剂取向硅钢概述
概述了无抑制剂法生产取向电工钢的特性及其用途;总结无抑制剂生产取向电工钢的原理及工艺方案.重点讨论了成分方案,即元素对磁性能的影响和最终高温退火方案对二次再结晶的影响.研究结果表明,无抑制剂取向硅钢化学成分范围没有普通取向硅钢和高磁感取向硅钢严格,提高了成材率;最终高温退火决定了二次再结晶的好坏,从而最终决定成品磁性能,最佳的高温退火温度在850~950℃之间. This article provides an overview on the characteristics and uses of inhibitorless process producing grain-oriented electrical steels.The mechanism of inhibitorless process and technology programs were discussed.The results show that the chemical composition and final annealing were determined according to magnetic properties.The inhibitor-free grain oriented silicon steel has loose range of chemical composition;Secondary recrystallization occurs mainly in the final annealing and the best anneal...
CGO硅钢各阶段织构遗传继承性的EBSD分析
利用EBSD技术对CGO硅钢热轧、中间退火、脱碳退火及二次再结晶退火组织及织构进行分析,研究了CGO硅钢各阶段加工制备过程中高斯{110}<001>晶粒的形状、尺寸及分布特点,分析了高斯取向晶粒在各工序过程中的遗传继承性特点。结果表明,CGO硅钢热轧板的次表层存在Goss取向晶粒,历经一次冷轧及中间退火后Goss取向晶粒基本消失,一次再结晶之后Goss织构仍不是主要织构,主要织构为{111}<110>和{111}<112>,说明Goss取向晶粒在二次再结晶退火前数量及尺寸上并不占优势,二次再结晶过程中Goss取向晶粒异常长大形成锋锐Goss织构。{111}<110>和{111}<112>织构组分的强度在一次冷轧中不断增加,{111}<112>织构组分的强度在二次冷轧后达到最大而{111}<110>织构组分是在初次再结晶后变强。 Grain shape,size and distribution of { 110} < 001 > Goss grains in CGO steel and the hereditary characteristics of Goss orientated grains during each processing period were investigated,based on the analysis of the microstructure and texture of the CGO silicon steel during hot rolling,intermediate annealing,decarburizing annealing and secondary recrystallization annealing by means of EBSD. The results show that Goss orientated grains exist in the subsurface of the hot rolled plate,and Goss...
CN202111244946.9一种减少低温高磁感取向硅钢点状露金缺陷的方法
本发明公开了一种减少低温高磁感取向硅钢点状露金缺陷的方法。本发明通过控制低温高磁感取向硅钢的脱碳和渗氮工艺,特别是通过控制脱碳露点、渗氮露点、脱碳氧化度、脱碳时间来调节钢板经脱碳渗氮后表面形成的内氧化层中FeO/SiO2的比例,结合氧化镁退火隔离剂的含水率控制,获得了一种可避免点状露金缺陷的低温高磁感取向硅钢生产方法。
典型半工艺电工钢产品M660-50K5生产及应用技术解析
对欧盟市场汽车压缩机专用产品进行技术解析,对比分析了其电磁性能、退火和发蓝处理、物理性能、化学成分、应用特点等参数。探讨国内外电工钢产品应用方式的不同特点,并结合鞍钢自身工艺装备和炼钢、热轧、冷轧工艺参数介绍了其生产可行性。提供了冶金工艺流程下,后工序电工钢专业生产线及传统冷轧系统生产线两种生产方式,均能满足用户最终使用要求。 The technology of automotive compressor accommodation manufacture of European Economic and Monetary Union market was described.The magnetic properties,annealing bluing,physical properties,chemical composition,application parameters were analysed.The different characteristics of the application of electrical steel products,the feasibility of manufacture on the existing technology and equipment,steelmaking,hot rolled,cold rolled technical parameters were discussed.The professional product line of ...
硅钢DR510生产工艺优化
本文对某厂硅钢DR510温度、成分及过程控制水平和成品的组织、力学性能进行了研究,并在此基础上提出了工艺优化方案,有一定的借鉴和推广价值。 In this paper,the critical process and the products quality,including temperature,composition and process controlling level,the organization and mechanical properties of the finished product,were studied.On the basis of that the optimized technical plan provided,and this control technology is worth using and spreading.
CN202122907867.3一种硅钢片生产用机器人定位台
本实用新型公开了一种硅钢片生产用机器人定位台,包括箱体,所述箱体的顶部中心处活动安装有转动盘,且转动盘的顶部安装有多组转动块,所述转动块由电机驱动旋转,其中,所述转动盘的中心处安装有中心定位圆,且中心定位圆的外部设置有键槽凸口;所述箱体的顶部安装有多组气缸。本实用新型所述的一种硅钢片生产用机器人定位台,一是定圆心,四个气缸对产品的外圆挤压定位,定位完成后,产品内圆掉落至中心定位圆内;二是,定方向,现有的硅钢片内圆具有键槽口,在电机带动转动盘转动时,由于转动盘上内嵌磁铁,能将产品进行旋转,直到产品的键槽口掉落至中心定位圆的键槽凸口内,完成定位,从而将定位设计的简单化与精准化。
无取向硅钢表面环保涂层的发展
简述了无取向硅钢环保涂层发展背景,分析了硅钢环保涂层的特点及国内、外研究进展,提出了硅钢保涂层下一步的发展方向。 The back ground of environmental protection coating of non-oriented silicon steel was described in this paper.The characteristics and study progress in domestic and foreign of environmental protection coating of non-oriented silicon steel were analysised.The next development direction of environmental protection coating of non-oriented silicon steel was put forward.

