钢厂
承钢无取向电工钢CGW800的研发
承钢采用铁水预处理(脱硫)→转炉提钒→转炉冶炼→RH精炼→连铸→轧制工艺,成功研发了无取向电工钢CGW800。试制的CGW800钢碳含量≤0.006 0%、氮含量<0.004 0%,热轧后的金相组织为铁素体和少量渗碳体,晶粒度5.5级,获得了较粗大、均匀的晶粒,钢板的成分和力学性能达到了标准要求。 In Cheng Steel,the CGW800 non- oriented electrical steel is successfully developed with process of hot metal pre- treating,vanadium extracting with converter,smelting with converter,RH refining,continuous casting and rolling. In the steel,the carbon content is not higher than 0. 006 0%,nitrogen less than0. 004 0%,the metallographic structure after hot rolling is ferrite and a little amount of cementite,grain size is 5. 5 degree,relative large and even grain got. The composition and mechanical pr...
CN202110668588.8一种轧制高牌号硅钢焊缝免冲孔的方法
本发明涉及电力、冶金领域,尤其涉及一种轧制高牌号硅钢焊缝免冲孔的方法。一种轧制高牌号硅钢焊缝免冲孔的方法,包括如下步骤:步骤一:“一选”,步骤二:“二看”,步骤三:“三按”,步骤四:“四调整”。本发明的有益效果是:1、满足测量精度要求,符合工艺要求,为连轧机硅钢的生产提供了强大的技术保障。2、该方案采用低成本设计,运行稳定性较高,测量精度达标,如推广使用,将为使用单位节省大量设备费用,符合降本增效的原则,具有较大推广价值。
CN202180028016.1无取向性电磁钢板及其制造方法
一种无取向性电磁钢板:以质量%计其母材的化学组成为:C:0.0010~0.0040%、Si:4.0~5.0%、Mn:0.20%以下、Al:0.010%以上且不足0.050%、P:0.030%以下、S:0.0030%以下、N:0.0005~0.0030%、O:0.0100~0.0400%、Ca:不足0.0010%、Ti:不足0.0050%、Nb:不足0.0050%、Zr:不足0.0050%、V:不足0.0050%、Cu:不足0.20%、Ni:不足0.50%、Sn:0~0.05%、Sb:0~0.05%、剩余部分:Fe和杂质;从母材表面到深度方向10μm的位置为止以外的区域中的O含量不足0.0050%。
硅钢水溶性极厚绝缘涂层的热老化行为研究
对两种硅钢水溶性极厚绝缘涂层进行了不同温度的热老化实验。通过TG-DTA,GDS,FT-IR,SEM和光泽度仪等测试方法对老化的涂层进行分析表征,提出了评估硅钢水溶性极厚绝缘涂层热老化性能的合理温度区间,探讨了涂层热老化行为,并分析了两种涂层热老化性能的差异。结果表明,涂层附着性随着老化时间的延长逐渐下降。FT-IR表征结果显示,热老化过程中,涂料交联形成的化学键未发生断裂,交联剂氨基树脂的三嗪环被破坏是聚合物三维网络结构坍塌的主要原因。 Thermal aging expriments at different temperature were carried out on two types of water-soluble and extra-thick insulation coatings for non-oriented silicon steel,and a series of test methods such as glossmeters,TG-DTA,FT-IR,GDS,SEM were applied in analysis.For evaluating the thermal aging effect of this kind of insulation coating,the proper temperature range was proposed.The difference of aging performance between two coatings was been investigated and the related behaviors were been discussed...
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...
CN202120497890.7一种变压器用硅钢板滑石丸粘接加工设备
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。
电子探针波谱仪定量测定硅钢中硅含量结果的不确定度评定
依据GB/T 15616—2008《金属及合金的电子探针定量分析方法》,采用电子探针波谱仪对某W600硅钢中的硅含量进行了定量测定,对影响其定量测定结果的不确定度分量进行了分析,并对不确定度的各个分量进行了计算和合成,最后给出了硅钢中硅含量测定结果的不确定度报告:该硅钢中的硅含量(质量分数)为1.50%,扩展不确定度U=0.20%,取包含因子k=2。 According to GB/T 15616-2008\"Quantitative Method for Electron Prohe Microanalysis of Metals and Alloys\",the quantitative results of Si content in some W600 silicon steel was measured hy EPMA-WDS.The uncertainty components which might affect the measurement results were considered,calculated and synthesized. Finally the uncertainty result for the quantitative value of Si content in the silicon steel was got.The mass content of Si was 1.50%,and expanded uncertainty U=0.20%under the condition of co...
CN202111182553.X一种多组分{100}织构无取向电工钢的制备方法
本发明涉及冶金技术领域,具体涉及一种多组分{100}织构无取向电工钢的制备方法。本发明通过控制薄带连铸参数制备1.5~2.5mm厚的无取向电工钢铸带,直接冷轧至厚度为0.35~0.50mm后,先进行预回复退火,再进行成品退火,此过程中控制退火温度、时间以及升降温速率。本发明所制备的无取向电工钢具有多组分{100}织构,包括{100}&lt;001&gt;、{100}&lt;012&gt;和{100}&lt;011&gt;,{100}织构组分体积分数达到25~39%,其轧向磁感值1.71~1.78T,横向磁感值1.70~1.76T,板面45°方向磁感值达到1.65~1.67T。本发明通过优化退火工艺,利用{100}变形组织的强回复与再结晶协同作用,从而显著增强{100}退火织构,方法简单有效。
CN202110332363.5一种硅钢厂调功器故障报警自动复位的方法和系统
一种硅钢厂调功器故障报警自动复位的方法,包括:通过人机界面对炼钢炉温度进行设定,并在炼钢过程中实时获取炼钢炉温度;将炼钢炉实时温度与设定温度进行对比,当炼钢炉实时温度低于设定温度时,启动调节器;调节器输出功率使电阻带加热,使炼钢炉实时温度达到设定温度;当调节器发生故障时,调节器将故障信号发送给后台服务器,后台服务器根据故障指令,按预设规则控制与调节器连接的继电器,控制继电器按压复位按钮,使调节器自动复位。本发明解决了现有技术中通过电气人员来通过复位消除故障状态,耽误时间长,容易产生废品的问题。
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.
多元抑制剂对高磁感取向硅钢性能的影响
介绍在取向硅钢生产中抑制剂的作用以及多元抑制剂的机理和应用情况,分析多元抑制剂方案中各种元素对高磁感取向硅钢性能的影响,并根据生产实践提出了进一步研究的方向. The role of an inhibitor in the production of grain oriented silicon steel,and the mechanism of multiplex inhibitor in the production are described in the present article.In addition,the influence of various elements in the multiplex inhibitor on the performance of grain oriented silicon steel with high magnetic induction is elucidated.Further work needed in this research is also indicated.

