硅钢资料

研究了退火温度对3.1%Si无取向硅钢组织和磁性能的影响规律。结果表明:退火温度从940℃提高至1 000℃,平均晶粒尺寸由98μm增加到145μm,铁损P_1.5/50从2.576 W/kg降低至2.408W/kg。随着退火温度的升高,γ不利织构组分强度逐渐降低,{111}〈112〉织构组分强度降低约16%,磁感B₅₀逐渐升高,磁性能水平提高。 The effects of annealing temperature on microstructure and texture and magnetic properties of 3.1%Si non-oriented silicon steel were investigated in this paper.The results showed that,when the annealing temperature increased from 940℃ to 1 000℃,the average grain size of metallographic structure increased from 98μm to 145μm,the iron loss value P_1.5/50 decreased from2.576 W/kg to 2.408 W/kg.And as the annealing temperature increased,the strength of the unfavorable texture componentγgrad... 

本发明公开一种冷轧硅钢的横向同板差控制方法，具体如下：S1、确定冷轧钢板横向同板差的影响因子，包括：热轧钢卷的热卷凸度、工作辊辊型插入量、中间辊窜动值及冷轧钢卷的总切边量；S2、以影响因子为变量构建冷轧钢板横向同板差的计算模型；S3、将热轧钢卷的热卷凸度及冷轧钢板的目标横向同板差输入计算模型，确定最小冷轧钢卷总切边量下的工作辊辊型插入量及中间辊窜动值。明确客户所需的横向同板差，通过改变工作辊辊型插入量X2及工作辊窜动值X3，以此得到冷轧成品钢卷的总切边量最小值，在满足客户对横向同板差的使用要求前提下，降低生产成本，提高产品竞争力。

本发明涉及无取向硅钢技术领域，尤其涉及一种改善高牌号无取向硅钢冷轧断带的控制方法。按重量百分比计：[Si+Al]≥4.0％；Mn、S含量满足：S≤0.0015，[Mn]/[S]:200～400；1)热轧过程中使用保温罩，热轧轧制时投入边部加热，头尾100米内卷曲温度提高15～30℃；2)常化机组圆盘剪进行边部剪边前增加加热装置，剪切后增加毛刺打磨装置，采用煤气明火加热，保证钢板温度在韧脆转变温度以上；3)圆盘剪间隙满足关系式：ds＝(0.15～0.45)d0ds:圆盘剪间隙，μm；d0:常化板板厚，mm；4)常化采用快速加热，控制钢带的预热段升温速度320～380℃/min，机组速度20～30m/min；5)常化工艺后，控制边部小于20μm的晶粒占比在5％以内。有效的减少了冷轧断带的发生，提高成材率1.30％以上，降低了生产成本。

本发明公开了一种适宜缠绕式加工的低铁损无取向硅钢及其生产方法，属于硅钢生产技术领域。本发明的无取向硅钢包括以下质量百分比的元素：Si：1.5～2.5％，Mn：0.15～1.0％、Als：0.5～1.5％，其余为Fe及不可避免的杂质。其生产工艺步骤为：铁水预处理、转炉冶炼、真空处理、连铸；加热热轧；常化处理；冷轧、退火；保温、冷却；涂覆绝缘层。本发明通过对无取向硅钢的组分及其配比，结合工艺操作进行优化，能够生产得到电磁性能及延伸率均优异的无取向硅钢，从而能够有效满足电工钢缠绕式加工及使用需求，且其制造工序流程短、成本相对较低。

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... 

为开发高效电机用冷轧无取向电工钢,借助实验室薄板坯连铸连轧模拟设备及扫描电镜、透射电镜等检验手段研究了成分、组织、织构和析出物等对无取向电工钢磁性能的影响规律;结果表明:常化处理使组织均匀化并增加有利于磁性提高的织构组分;采用CSP流程开发的高效电机用无取向电工钢铁损平均值3.4 0 W/kg,磁感≥1.68 T。 In order to develop electrical steel for high efficiency motor,effect of components,microstructure,texture and precipitation on magnetic property of electrical steel are analyzed.From the result,normalizing treatment makes microstructure uniform and increases component of favorable texture.Iron loss of electrical steel developed by CSP line is 3.40W/kg and magnetic induction is more than 1.68T. 

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 ... 

对应用动态加热进行短时温度退火的取向电工钢进行了二次再结晶研究。所进行研究的实验用取向电工钢是经过终冷轧和后续罩式退火后的一条工业化生产线生产的。研究结果表明,运用短时热处理条件可引起研究钢完全的异常晶粒长大。在实验室处理的材料的织构和金相组织与工业化生产的经过终退火而获得的相同的取向电工钢类似。但是,在实验室处理的取向电工钢的二次再结晶的矩阵中可观测到\"寄生\"晶粒。从磁性观点看,这些\"寄生\"晶粒含有不理想的{111}取向织构。 The present study was made to investigate secondary recrystallization in grain-oriented steels annealed at short time temperature exposures with application of dynamical heating.The investigated GO(Grain Oriented) steels for experiments were taken from one industrial line after final cold rolling reduction and subsequent box annealing.It was shown that application of short time heat treatment conditions could lead to complete abnormal grain growth in the investigated GO steel.The texture and mic...