硅钢资料

一种适合冷连轧的高效变频压缩机用无取向硅钢，其化学成分及wt%为：C：≤0.0025%、Si：2.4~2.8%、Mn：0.35~0.65%、Al：0.5~0.8%、S：≤0.0020%、N：≤0.0025%、P：≤0.03%、Sb或Sn：0.03~0.08%；生产方法：冶炼浇注；对铸坯加热；粗轧；精轧；卷取；常化；经酸洗后冷连轧；退火；涂敷及精整。本发明产品性能既保证产品磁性能又提高生产效率、提高成材率和降低生产成本的效果，五机架连轧机只需要一次轧过即可，且连轧机相比单机架轧机减少了来回轧制的带头带尾切废量，因而可提高成材率，生产效率和成材率提高，自然降低生产成本。

利用X-射线衍射织构分析和线形分析技术测定了交叉轧制双取向硅钢在制备工艺各阶段的织构及微结构,进而探讨了立方织构({100}<001>)的形成过程。通过对实验结果的分析可知,二次冷轧和交叉轧制工艺为立方织构提供了内能优势和有利的形变织构,而低温预退火工艺既强化了立方织构的内能优势,又为立方织构的异常长大提供了有利的组织保证,最终在抑制剂(AlN和MnS)的协同作用下,硅钢在二次再结晶退火后形成了强烈的立方织构。 The texture and substructure of the double oriented electrical steels produced by the cross rolling technology during the difference process has been measured by means of the X-ray texture and diffraction peak profile analysis technology,and research the formation mechanism of cube texture,{100}<001>.The results show that the dominances of inner energy and deformation texture were supplied by secondary cold rolling and the cross rolling technology and strengthened by pre-annealing at a low... 

本发明涉及无取向硅钢生产技术领域，公开了一种改善含Cu高强度无取向硅钢冷轧质量的方法，包括如下步骤：A)含Cu高强度无取向硅钢热轧卷化学成分(wt,％)：Si：2.0～3.5％，Als≤1.5％，Cu：1～3％，其他为Fe,Als,Mn以及不可避免的杂质元素，对热轧卷进行常化酸洗处理，常化温度T常满足：T常≤1620‑(0.5Als+1.5Si+Cu)％×104，单位℃；B)将常化后的热轧卷在电磁感应加热炉内进行加热；C)在冷轧机组开卷机进行开卷，冷轧第一道次开卷温度T冷轧满足：1.5×(Si+Cu)％×103‑T室温≤T冷轧≤40+2×(Si+Cu)％×103，单位℃，式中，T室温为室温；D)按照4‑6道次冷轧到目标厚度。本发明改善含Cu高强度无取向硅钢冷轧质量的方法，在采用传统常化工艺路线，保证较高的强度和磁性水平前提下，改善冷轧质量，提高成品成材率。

介绍了国内、外电工钢极薄带的生产现状及市场应用的情况,以及典型生产企业的生产规模、产品性能和应用领域,指出扩大高牌号无取向电工钢生产、提高产品质量是目前电工钢发展的迫切要求。 The production situation and market application of ultra thin electrical steel strip at home and abroad were described.The production capability,product property and application area of typical corporation were introduced.The results indicate that the urgency needed of electrical steel development is expanding high-grade non-oriented electrical steel production and improving products quality at present. 

采用化学气相沉积(CVD)渗硅处理工艺连续制备6.5%Si高硅钢,具有优质的软磁性能,通过理论研究化学反应并且用简单的试验设备做进一步的探讨。根据试验的结果对连续制备6.5%Si高硅钢的CVD工艺构造提出全面、有效的建议,实现制备6.5%Si高硅钢系统。 CVD method for continuously manufacturing 6.5%Si Steel Sheet has excellent soft magnetic.Carried out a theoretical study of related chemical reaction and performing basic research with a simple test apparatus.Based on the results,finally proposed an overall process configuration to realize such a production-CVD method for continuously manufacturing 6.5%Si Steel Sheet. 

【作者】 姚昌国； ...

通过对激光粒度分析仪测量硅钢级氧化镁(MgO)的分析条件进行优化,如分散介质、分散方式、样品预处理、仪器暗淡度等,探讨了硅钢级MgO粒度范围测量重现性较好的试验方法,满足硅钢生产过程控制对MgO粒度的要求。 The analysis condition of the laser particle size analyzer on grain oriented silicon-steel grade magnesium oxide is optimized,including the dispersion medium,dispersion methods,sample preparation,and instrument obscuration,etc.Therefore,particle size measurement with good reproducibility for silicon-steel magnesium oxide is discussed,which may meet the requirement of MgO particle size for silicon-steel process control. 

介绍了国内无底层取向电工钢生产技术水平、产量和用途，简述了无底层取向电工钢作为取向电工钢超/极薄带母料及应用于制作大型发电机组铁心、风电等电机铁心和变压器铁心等的情况。 The production technology level,output and application of domestic glassless grainoriented electrical steel were introduced,and the application of glassless grain-oriented electrical steel as parent material of ultra-thin strip of grain-oriented electrical steel and in making large-scale electric generator cores,wind power motor cores and transformer cores were briefly described. 

对w(Si)=3%无取向硅钢进行表面机械研磨处理(SMAT)和异步轧制(CSR),获得表面纳米结构,再进行550～650℃、4 h固体粉末渗硅处理,用透射电镜(TEM)、扫描电镜(SEM)和X射线衍射仪(XRD)研究表层组织演变。结果表明:经过SMAT后,w(Si)=3%无取向硅钢表面形成了等轴状、取向呈随机分布的、晶粒尺寸为10 nm的纳米晶组织;异步轧制后,表面纳米晶组织保持不变;550～650℃、4 h渗硅处理后,SMAT+CSR样品表面形成化合物层,其厚度随着温度的升高由17μm增加到52μm;化合物层由Fe3Si和FeSi相组成. Nanostructured surface layer was fabricated on a 3%(mass fraction) non-grain oriented silicon steel by means of surface mechanical attrition treatment(SMAT) and cross-shear rolling(CSR),and then a solid powder siliconizing treatment was carried out for the SMAT+CSR sample at 550~650 ℃ for 4 h.The microstructural evolution was examined by using transmission electron microscopy(TEM),scanning electron microscopy(SEM) and X-ray diffraction(XRD).Experimental results show that: equiaxed nanocrystallin... 

电动汽车电机在高速旋转时承受离心力和电磁力的作用,在进行电机转子设计时,既要考虑电磁性能,还要考虑机械性能。对电机转子受力情况进行了综述,分析了转子用电工钢疲劳性能参数的重要性,详细阐述了试样抛光、表面处理、试样的对中和安装对测试结果的影响。 The motor of electric vehicle bears big force for high speed rotors,mainly including centrifugal and electromagnetic forces.The magnetic and mechanical aspects of the electrical steel are crucial to machine design.In this paper,the forces applied on the motor were summarized and importance of fatigue properties was analyzed.The influence of specimen polish,surface treatment,alignment and installation on fatigue testing result were represented in detail. 

一种低温高磁感取向硅钢的热轧方法：经转炉冶炼并浇注成坯；对铸坯加热后进行粗轧：首先确定粗轧减宽量；根据所确定的粗轧减宽量进行粗轧；进行精轧；常规进行下工序。本发明采用低温板坯加热技术，降低了板坯烧损和修炉负担，且边裂发生率比现有技术的不低于18%的基础上能降低5%以上，由此节约资源及降低能耗。

阐述了电工钢在\"双碳\"中的作用,强调了电工钢的生产工艺技术及在减少碳排放、降低能耗中的作用,对下游能效升级带来明显的节能及降碳成果。同时,分析了2021年电工钢的生产运行情况,介绍了电工钢的未来发展,并针对如何减少碳排放以及生产更多的更低铁损、更高磁感的电工钢谈了几点启示。 The effects of electrical steels on carbon peak and carbon neutralization were expounded,especially on the achievements of obvious energy saving and carbon reduction to the downstream energy efficiency upgrading bringing from the production technology of electrical steels and their effects to reducing carbon emission and energy consumption.Meanwhile the production situation of electrical steels in 2021 was analyzed,and the future development of electrical steels was introduced,and some advices w...