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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P1.5/50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 P1.5/50 decreased from2.576 W/kg to 2.408 W/kg.And as the annealing temperature increased,the strength of the unfavorable texture componentγgrad... 
2022-01-28 166 5.8

本发明公开了一种自主学习的高硅钢软磁复合铁芯智能化生产系统及生产方法,属于软磁复合铁芯智能化生产技术领域。本发明的生产系统包括数据输入模块、数据分析模块、数据输出模块、通信模块、数据修正模块;生产方法为:用户通过输入模块选择目标性能参数及生产控制模式,系统生成生产过程关键参数,并由输出模块输出给用户;用户确认后形成控制指令,并发送至生产设备进行生产。本发明的系统不仅能够根据高硅钢铁芯产品的目标性能参数自动生成合理的操作条件,还能根据历史数据和产品检化结果对系统内置的关系模型不断进行优化、完善,能够有效提高产品产量和质量、减少浪费、降低成本。
2021-03-26 162 6.8

取向硅钢热轧板中织构梯度对发展完善的二次再结晶十分关键,通过添加铜可以显著降低取向硅钢板坯加热温度,从而影响热轧板织构分布。利用X射线衍射仪,分析了实验室模拟薄板坯连铸连轧(TSCR)工艺的3种不同铜含量的取向硅钢热轧板织构。结果表明:不同铜含量热轧板表面到厚度1/4处均为弱的热轧织构,热轧板心部主要为{100}面织构;铜含量约在0.4%时,热轧板次表层的{110}<001>织构比例最高,而热轧板心部的{100}<110>织构比例最低;铜含量对热轧织构中{114}<110>和{001}<100>织构发展有显著影响。 The texture gradient in hot rolled grain oriented silicon steel strip is one of the essential factors to achieve a perfect secondary recrystallization.The addition of copper can significantly reduce the slab reheating temperature of grain oriented silicon steel,so as to impact the texture distribution in the hot rolled strip.The texture of hot rolled grain oriented silicon steel strip as-rolled by thin slab casting and rolling process(TSCR) in laboratory with three different copper contents was ... 
2011-01-28 170 5.8

本发明涉及一种转炉冶炼回炉高硅钢水的方法,转炉中兑入回炉高硅钢水,再兑入铁水至预定装入量,使转炉中的钢水硅含量≤1.0%;转炉采用双渣冶炼的方法,加入的造渣料包括活性石灰、白云石、轻烧白云石、烧结矿;吹炼时氧累达到83%‑85%时使用副枪测量TSC,按TSC测量数据吹炼至钢水目标成分和目标温度后提枪,出钢。本发明实现转炉冶炼回炉高硅钢水的稳定控制。降低钢厂经济损失,减少炼钢生产事故率。提高了炼钢生产作业率。
2021-09-14 149 6.8

本发明涉及一种冷连轧法生产无取向高硅钢的方法,RH真空脱碳处理后,铝脱氧及部分铝合金化,合金化后大罐钢水净循环大于3次或大于5分钟;熔炼合格钢水至连铸开浇前静置时间大于二十分钟;控制过热度5~15℃;采用电磁搅拌,控制等轴晶比例45%以上;3)热轧工序板坯装炉温度大于750℃;常化使晶粒尺寸在90~110μm范围内;连续退火炉加热段温度设定950~1150℃,均热段温度设定900~1050℃,全氮气干气氛保护,控制晶粒尺寸120~170μm。生产全过程中的热履历参数控制,充分发挥设计的微合金元素功能,改变析出物的组成、大小、形态及分布。
2021-08-19 150 6.8

介绍了CSP工艺生产无取向电工钢各工序的设备特点、采用的工艺控制手段和电工钢产品质量情况,结合生产实践证明了马钢CSP工艺开发的无取向电工钢产品丰富了薄板坯连铸连轧的品种结构,发挥了薄板坯连铸连轧生产无取向电工钢性能均一、稳定的特点。 The equipment characteristic,the process control method and the quality of non-orientated silicon steel by CSP process were introduced.Combined with the production situation,it is proved that production of non-orientated silicon steel developed on Masteel CSP line would enrich product structure of thin slab continuous casting and rolling,and it exerts stable performance of non-orientated silicon steel. 
2013-06-28 163 5.8

对高牌号无取向电工钢国内生产情况、工艺技术、产品性能及应用领域等进行了阐述,并探讨了高牌号无取向电工钢产品的发展趋势。 This paper introduces basic facts on the production status,process technology and products’ properties and their applications of non-oriented electrical steel with high grade at home,and then discusses the development trend on technology for producing the non-oriented electrical steel with high grade. 
2011-02-28 147 5.8

一种高强型高频电磁性能优异的硅钢薄带板,钢中化学成分按重量百分比计为:C≤0.0027%、Si3.10%~3.35%、Als0.80%~1.2%、Mn0.20%~0.85%、P≤0.050%、S≤0.0020%、N≤0.0020%、Ti≤0.0020%、V≤0.0020%、Nb0.0050%~0.080%,其余为Fe和不可避免的杂质。本发明的无取向硅钢薄带产品用于新能源汽车驱动电机的制造,其强度高,中高频电磁特性优异。
2021-09-15 121 6.8

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