硅钢资料

介绍了烟气余热利用系统的工艺流程及控制思想,结合该系统在钢厂硅钢连续退火机组中的应用实践,估算出烟气余热利用系统每年可节约蒸汽5 040 t,经济效益良好,同时分析了该系统存在的问题及对策。 Introduced a method about the process and control of the application of waste heat system, which had been used into a silicon steel continuous annealing line and profiting a good economic benefit by saving a large number of steam every year, which has been estimated about 5 040 tons, and analyzed the problems and solutions existed in this system. 

采用火花源原子发射光谱分析测定电工钢中超低C,研究试样制备方法、Ar纯度和压力等条件对分析结果的影响,并对工作曲线进行了优化,实现了一次分析同时测定电工钢的多种元素,满足炉前和精炼在线分析的要求。 Ultra-low carbon in electrical steel is determined with spark-source atom emission spectrum.It is researched the influence of sample making method,purity of Ar,and pressure on analysis result.The work curve is optimized.The determination of many elements in electrical steel only in one analysis is realized.It meets demands of on-line analysis for blast furnace and refining. 

本发明公开了一种硅钢高温加热炉用铬基高氮合金垫块及其制备方法，所述合金垫块含有Cr、Mo、N、La、Ce和Fe，不含有钨；所述合金垫块在高温抗氧化性能和高温抗蠕变性能上，优于现有技术的铬铁合金；本发明可以优化替代现有的硅钢高温加热炉用铬铁合金垫块，满足硅钢在加热炉中的加热需求，大规模工厂化生产，拥有极高的使用价值和广阔的应用市场。

提供一种如下的无取向性电磁钢板用钢板：含有：C：0.0040％以下、Si：1.9％以上3.5％以下、Al：0.10％以上3.0％以下、Mn：0.10％以上2.0％以下、P：0.09％以下、S：0.005％以下、N：0.0040％以下、B：0.0060％以下；剩余部分由Fe和杂质构成；分别从板宽方向的两端部向板宽中央10mm的各位置的板厚方向截面组织的重结晶率不足50％；将板宽记为W时，分别距板宽方向的两端部1/4W的位置的板厚方向截面组织的重结晶率在50％以上。

一种薄规格带钢或者硅钢尾部卷取控制工艺，属于热连轧带钢卷取设备技术领域，解决薄规格带钢和硅钢尾部起套导致卸卷异常、卷形合格率下降的技术问题。解决方案为：在卷取厚度小于等于2.3mm的带钢或所卷取带钢的材质代码等于硅钢的材质代码的情况下，带钢尾部到达精轧F2机架时，G辊道速度V1=K1×D×ω×π/60；带钢尾部继续前行并到达精轧F6机架时，G辊道速度V2=K2×D×ω×π/60；在卷取厚度大于2.3mm的带钢且所卷取带钢的材质代码不等于硅钢的材质代码的情况下，G辊道投滞后速度的滞后率取值范围为90%~70%。本发明具有设计合理、工作效率高、产品质量好、可有效避免产品缺陷等优点。

双辊连铸技术是冶金及材料领域内的一项前沿技术,对于生产高品质硅钢具有独特优势.本实验研究了一种双辊铸轧w[Si]=4.5%的无取向硅钢,考察其铸态和常化处理后样品的组织、织构及析出相尺寸特征.结果表明:铸带组织以与铸带法向成5~20(°)倾角的柱状晶为主,晶内存在少量0.3~0.4μm的AlN析出相,铸带织构以λ(<001>//ND)织构为主,表层织构漫散.950℃/10 min常化处理后,析出相尺寸增大,表层λ织构增强. As an advanced technique of metallurgy and material science,twin- roll strip casting has unique advantages for producing high quality silicon steel. The present study was aimed at a 4. 5% Si non- oriented electrical steel for analyzing the structure,texture and the size of precipitates at the initial and normalized state. The results revealed that the initial structure mainly consisted of columnar grains with 5 ~ 20( °) angle to the normal of cast strip,and some AlN precipitates of 0. 3 ~ 0. 4 μ... 

借助电子背散射(EBSD)技术对AlN为主抑制剂的Hi-B取向硅钢常化工艺的中间冷却制度进行了研究。结果表明:常化后试样均发生了完全再结晶,在60℃/s冷速下组织最均匀;在合适的冷却制度下常化板表层保留了强的Goss织构,它深入到1/4厚度处,并且形成对Goss织构有利的强{554}<225>织构。 The intermediate cooling system of Hi-B oriented silicon steel with AlN main inhibitor in normalizing process was studied by means of electron back diffraction(EBSD) technique. The results show that:the specimens after normalizing are fully recrystallization, and the microstructure is most uniform under the intermediate cooling rate of 60℃/s; under suitable cooling system, normalized plate surface retains strong Goss texture, it penetrates into the 1/4 thickness of the plate and forming strong {... 

研究稀土Ce的添加对含Sn高磁感无取向电工钢磁性能及夹杂物的影响。对比分析了两种成分钢的磁性能以及各过程工艺条件下夹杂物种类和分布情况。结果表明,在含Sn高磁感无取向电工钢中加入稀土元素Ce可以粗化夹杂物,提高成品晶粒的均匀性,有效降低铁损;同时Ce的添加不影响Sn元素提高磁感的效果,磁感保持不变。 Effect of Ce on magnetic properties and inclusion of Sn-bearing high permeability non-oriented electrical steel was investigated. A comparative analysis of the magnetic properties and the types and distributions of inclusion in the two sheets with different composition shows that the addition of Ce to the Sn-bearing high permeability non-oriented electrical steel can coarse the inclusion,improve the homogeneity of the finished grain and effectively decrease the core loss. Also,the addition of Ce... 

综述了退火温度、时间对无取向电工钢磁性的影响。退火温度主要影响无取向电工钢不同织构的占有率,退火时间主要影响晶粒尺寸的大小,晶粒尺寸的变化对织构的形成也有一定的影响。磁感最高点出现在纤维组织完全消失,(111)面织构组分较弱的组织状态。铁损的降低主要依赖于磁滞损耗的降低,织构的影响不大。 The effects of annealing temperature and time on the non-oriented electrical steel magnetic properties were reviewed.Annealing temperature and time mainly affects the different textures share and the grain sizes of non-oriented electrical steel respectively.Changes of the grain sizes also have a certain effect on textures formation.The highest point of the magnetic induction value in the fibrous tissue completely disappears and{111} plane texture has a lower state of the component content.Iron l... 

本实用新型涉及硅钢片生产技术领域，特别涉及一种电机硅钢片冲槽生产线，包括支架，支架下方依次设有:毛坯料垛，毛坯料垛由待冲毛坯片堆成，待冲毛坯片中心具有通孔；理片机；定子冲槽机，定子冲槽机用于在毛坯片上冲裁形成已冲毛坯片，已冲毛坯片包括定子片和转子坯片；第一液压升降机，第一液压升降机用于承载定子片；转子冲槽机，转子冲槽机用于冲裁转子坯片从而形成转子片；第二液压升降机，第二液压升降机用于承载冲裁得到的转子片；输送装置，输送装置用于输送待冲毛坯片、已冲毛坯片、转子坯片或转子片，本实用新型提出一种适用范围广、运行效率高、结构简单、价格适宜的电机硅钢片冲槽自动线。

通过对湿H2气氛下,相同退火温度、不同退火时间的CGO硅钢初次再结晶样品进行金相组织观察,并进行了EBSD微观织构分析,研究了CGO硅钢初次再结晶过程中的组织及再结晶织构演变行为。结果表明,在湿H2气氛下,820℃保温,CGO硅钢初次再结晶过程约在120 s时完成。随着退火时间的延长,γ面上{111}<112>织构含量逐渐减少,{111}<110>织构先减少后增多,随着再结晶的完成,部分{111}<112>取向晶粒向高斯{110}<001>取向转化的同时,也向{111}<110>取向转化,高斯{110}<001>织构含量逐渐增多。高斯取向晶粒较多是由{111}<112>取向晶粒转化而来,同时也证明了CGO硅钢高斯取向晶粒的二次再结晶异常长大生长机制为择优形核。 Microstructure development and texture evolution of conventional grain oriented silicon steel,which were annealed at same annealing temperature and different annealing time under wet H2 atmosphere,were investigated through metallographic observation and electron backscattered diffraction analyzing.The results show that the primary recrystallization finishes in 120 s at 820 ℃ under wet H2 atmosphere.With the extending of annealing time,{111}<112> texture decreases,{111}<110> texture d... 

本发明属于冶金技术领域，涉及一种超短流程稀土取向硅钢及其制备方法，化学组成及其重量百分比为Si：2.0～4.5％，C：≤0.003％，Y：0.001～0.05％，Mn：0.15～0.35％，Al：0.03～0.04％，Cu：0～0.5％，S：0.025～0.04％，N：0.011～0.013％，其余为Fe和不可避免的杂质元素。制备工艺包括：钢水冶炼、薄带连铸、冷轧、再结晶退火。与常规生产方式相比，取消了连铸、粗轧、热连轧、常化和脱碳退火等工序，极大简化了生产流程。通过添加稀土元素钇，促进了抑制剂的析出，还显著细化了薄带连铸硅钢的凝固组织，提高组织均匀性，获得了均匀细小的等轴晶，优化了取向硅钢的性能。