硅钢资料

研究了CSP流程试制50W270高牌号无取向硅钢热轧→常化→冷轧→退火过程中织构的演变.利用电子背散射衍射技术对全流程织构进行测量和分析.发现热轧板织构在厚度方向上存在较大差异,表层主要为铜型、黄铜和高斯织构,1/4层存在微弱的高斯织构和旋转立方织构,中心层以γ纤维织构和旋转立方织构为主,还含有较弱的α纤维织构.与热轧板相比,常化板表层和1/4层织构变化不大,中心层旋转立方织构和α纤维织构增强.冷轧板各层均具有α纤维织构和γ纤维织构.与冷轧板相比,成品板各层中α纤维织构基本消失,还出现了立方织构和高斯织构. This article focuses on texture evolution in 50W270 high-brand non-oriented silicon steel produced by CSP in hot rolling,normalizing,cold rolling,and annealing processes.The texture in the whole process was measured and analyzed by electron back-scatter diffraction.It is found that the texture along the thickness direction in hot-rolled strips changes obviously;there are mainly copper,brass,and Goss textures in the surface layer;the 1/4 layer has weak Goss texture and rotating cube texture;γ-fib... 

【摘要】 <正>含6.5%Si的电工钢是软磁特性最佳的电...

运用电子背散射衍射(EBSD)技术,研究了50W600无取向硅钢在热轧→冷轧→退火工序间织构的演变。结果表明:由于热轧板沿板厚方向的应力场和温度场存在差异,导致热轧板不同层织构类型和强度存在差异;热轧板表层主要存在铜型、黄铜和高斯织构,1/4层织构主要为α纤维织构和较弱的高斯织构,中心层织构较单一,主要为α纤维织构;和热轧板相比,冷轧板各层织构差异较小,为典型的轧制织构(α纤维织构和γ纤维织构);退火板各层都表现为γ纤维织构增强、α纤维织构减弱,旋转立方织构基本消失。 The texture evolution of 50W600non-oriented silicon steel in hot rolling,cold rolling and annealing process was investigated by electron back-scatter diffraction(EBSD)technology.Results show that the hot rolled plate texture types and intensities along thickness direction were different because of the different stress fields and temperature fields.The major texture types in the surface of hot rolled plate were copper,brass and Gauss texture.The texture was composed ofαfibre texture and weaker Ga... 

本发明涉及取向硅钢高温连续退火炉领域，尤其涉及一种取向硅钢高温连续退火炉隔离装置，包括安装在炉壳上的隔离炉门及设置在隔离炉门四周的密封井；隔离炉门顶部两侧安装有水冷却装置；水冷却装置上部设有隔离炉门动力牵引装置；密封井包括固定密封井和伸缩密封井，伸缩密封井位于固定密封井内部并与固定密封井滑动连接，伸缩密封井与固定密封井端部连接处设有密封装置。本发明可以确保隔离炉门升降过程中实现无缝全密封状态，提高密封效果，且采用伸缩密封井实际降低了密封井的高度，间接降低了水冷却装置连接管道上升至最高点的净空标高，与传统固定式密封井高度相比可以降低高度50％～80％，从而降低厂房净空标高，节省厂房基建投资。

研究的两种取向硅钢（%:No1-0.042C、3.16Si、0.009Al、0.07Mn、0.50Cu、0.015S、0.0084N和No2-0.040C、3.20Si、0.014Al、0.22Mn、0.49Cu、0.016S、0.008 2N）由50 kg真空感应炉冶炼,锻成（mm）350×120×35板坯,经1 250℃30 min加热,开轧温度1 100℃,5道次热轧成2.3 mm板,终轧温度950～1 000℃。实验结果表明,两热轧板沿板厚方向存在组织和织构的不均匀性,热轧板次表层为再结晶组织,有较强的Goss织构组分;中心层为形变组织,具有典型的形变织构。含0.22%Mn的No2钢次表层{110}〈001〉织构组分比含0.07%Mn的No1钢弱,中心层{001}〈110〉织构组分大大强于0.07%Mn No1钢,导致两者磁性能差异,0.22%Mn No2钢磁感应强度(B₈₀₀)和铁损(P_1.7/50)分别为1.87 T和1.24 W/kg,0.07%Mn No1钢分别为1.88 T和1.18 W/kg。 Studied both grain-oriented silicon steels（%:No1- 0.042C,3.16Si,0.009Al,0.07Mn,0.50Cu, 0.015S,0.0084N and No2-0.040C,3.20Si,0.014Al,0.22Mn,0.49Cu,0.016S,0.0082N） are melted by a 50 kg vacuum induction furnace,forged to（mm） 350×120×35 slab,heated at 1 250℃for 30 min,with beginning rolling temperature 1 100℃hot-rolled to 2.3 mm plate by 5 passes,finishing-rolled at 950～1000℃.Test results show that the structure and texture along thickness of both hot-rolled plates are inhomogeneous:the subsurface ... 

主要研究了氧化锌对以Al(H2PO4)3为基料的无铬无取向硅钢绝缘涂层各项性能的影响.用盐雾实验和动电位极化研究了不同氧化锌含量对硅钢绝缘涂层的耐蚀性和电化学行为的影响.采用SEM和体视显微镜对涂层的表面形貌和附着性能进行研究.结果表明,氧化锌含量为4.0%时,氧化锌能完全中和涂层表面的游离磷酸,涂层的耐蚀性和附着性最好;氧化锌含量过少或过多时,涂层的耐蚀性和附着性都较差. This paper studies the influence of zinc oxide on the performance of chromium-free non-oriented silicon steel insulating coating which based on aluminum dihydrogen phosphate.Salt spray experiment and potentiodynamic polarization were used to study the influence of zinc oxide content on the corrosion resistance and electrochemical behavior of the insulation coating of silicon steel.The surface morphology and adhesion of coating were tested by SEM and stereo microscope.The results show that when t... 

采用非水溶液电解方法来提取无取向硅钢中夹杂物。通过扫描电镜(SEM)观察结果表明:无取向硅钢中主要夹杂物为六棱柱的AlN、不规则硅酸盐及球状的铁的硫化物和氧化物,其中AlN夹杂尺寸在1~5μm,数量较多,还有部分AlN的复合夹杂。进一步研究了AlN复合夹杂形成机理,采用了Thermo-Calc热力学计算软件计算出该钢样中AlN、MnS析出温度分别为1 240℃、1 200℃,而Al2O3析出温度大于1 800℃,从而为AlN复合夹杂形成机理提供了一个理论依据。 Extracting inclusions from non-oriented silicon steel in non-aqueous electrolysis is a nondestructive method to gain inclusions.Scanning electron microscopy shows that the main inclusions in non-oriented silicon steel were hexagonal AlN,which was of large quantity,irregular silicate,spherical iron sulfide and oxide.The size of AlN inclusions ranged from 1to 5μm,and there were some duplex inclusions of AlN.To further study the formation mechanism of AlN duplex inclusions,Thermo-Calc thermodynamic... 

通过制备磷酸二氢铝硅钢涂层,研究了氧化锌对无铬涂层耐盐雾性能、电化学性能和附着性的影响。结果表明,硅钢表面涂层含有4.0%的氧化锌时,涂层具有最高的耐腐蚀性能和电化学性能,而且其致密表面最为平整,没有裂纹出现。 The effects of ZnO on the salt spray resistance property, electrochemical performance and adhesiveness of silicon steel insulating coating were studied. The results show that the best corrosion resistance and electrochemical properties can be obtained when the coating contains 4.0% oxide zinc, and the dense surface is smooth without cracks. 

本发明公开了一种高强度碳化硅钢球，所述高强度碳化硅钢球包括以下重量份的原料：碳化硅20‑30份、铬1‑2份、氮化硼3‑5份、铁10‑20份、钼2‑3份、锰钢30‑40份、镍5‑8份、钛6‑8份、磷2‑3份、硫2‑3份；一种高强度碳化硅钢球制备方法，包括如下步骤S1、熔融；S2、模锻成球；S3、打磨；S4、二次加热；S5、高温淬火；S6、机油回火；S7、检测成品。本发明制备的高强度碳化硅钢球具有抗折强度高、洛氏硬度高及抗压强度高等优异的机械性能，并且使用寿命长，运转精确度高，并且其工艺简单，生产耗能低，无“三废”产生，环保性高。

本实用新型公开了高牌号取向硅钢生产用辊轧机，包括辊轧机本体和夹送辊，所述辊轧机本体的底端安置于承托组件的顶端，且承托组件的两侧对称设置有机架，所述辊轧机本体一侧的机架顶端对称安装有两个换向机构，且两个换向机构顶部的一侧共同设置有上下两个夹送辊。该种高牌号取向硅钢生产用辊轧机中不仅能够通过两个液压缸同步伸缩，带动横担的两端反向旋转，从而灵活调节夹送辊的相对水平高度，进而提高了钢带输送角度的调节效率；而且在夹送辊旋转输送钢带时，换热介质经由两组导液管、旋转接头在夹送辊中输入、输出，通过直接接触进行全面换热，如此循环往复，进一步提高了对钢带的冷却效率。

研究了传统工艺流程生产的2%Si无取向电工钢在不同退火温度下的磁性能。研究结果表明,随着退火温度的升高,显微组织均匀性提高且晶粒尺寸增大;有利织构组分{100}<0vw>、α、η增强,不利织构组分减弱;成品的铁损P1.5/50先下降后略有上升,磁感B50上升平缓;在890℃×2 min的退火工艺条件下,成品电工钢的磁性能最佳,对应的铁损P1.5/50小于3.2 W/kg,磁感B50高于1.74 T。 In this paper,the effect of annealing temperature on magnetic properties of non-oriented electrical steel with 2% silicon was studied.Results show that the uniformity of microstructure and the average grain size increase with the rise of annealing temperature.The texture components of annealing can be improved by enhancing {100} <0vw>,α,η fiber textures and weakening {111} <112> fiber texture.The tendency of core loss P1.5/50 shows that it decreases first and then increases,while the... 

试验了通过NaCl-KCl-NaF-SiO₂熔盐在电流密度50 mA/cm²、电沉积脉冲电流正反向比9:1和750⁸50℃60min电沉积下阴极（/mm）20×20×0.5的1.6Si无取向冷轧硅钢片断面层硅的分布,并通过计算得出Si的扩散系数。结果表明,电沉积温度由750℃提高至850℃时,试样中Si含量增加,扩散的深度由18μm提高到40μm;电沉积温度与Si在钢中的扩散系数近似符合Arrhenius指数关系。 The distribution of silicon at cross section of cathode（/mm） 20 × 20 × 0.5 sheet of 1.6Si non-oriented cold rolled silicon steel after electro-deposit treatment by NaCl-KCl-NaF-SiO₂ molten salt with current intensity 50 mA/cm²,electro-deposit pulse current positive-negative ratio 9:1 at 750 850 ℃ for 60 min has been tested and the diffusion coefficient of Si is obtained by calculation.Results show that with increasing electro-deposit temperature from 750 ℃ to 85...