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本发明涉及硅钢带的制备技术领域,具体公开一种软磁性高硅钢极薄带及其制备方法。所述软磁性高硅钢极薄带的制备方法包括熔炼、包覆CaF2和TiB2偶合涂层、微波热压成型、酸洗、渗氮、一次退火、三道热轧、二次退火、三次温轧和三次退火。本发明提供的软磁性高硅钢极薄带的制备方法制得的软磁性高硅钢极薄带的晶粒细化程度高、组织均匀,改变了传统的相析出路径,有效消除了有序相的形成,使其具有优异的延展性,并具备更高的磁感和更低的铁损。
2021-12-31 286 6.8

对取向硅钢熔融态钢液进行处理,对比研究了不同脉冲参数的作用效果。结果表明,电脉冲对钢锭晶粒组织具有明显的细化作用,凝固组织等轴晶比例大幅上升。在脉冲电容、频率、处理时间和电压中,影响等轴晶比例的最显著性因素为脉冲频率;最优正交实验参数为:电容1 200μF,脉冲频率1 Hz,处理时间5 s,脉冲电压800 V;随着输入能量的增大,等轴晶率先增大后减小,脉冲输入能量为某值时,等轴晶率最大,通过经典形核理论和热力学对这一现象进行了解释。 Research on the influence of the electric pulse on the solidification structure of oriented silicon steel was preformed.Electric pulses in different parameters were applied to molten steel and results were compared.The result shows that solidification structure of oriented silicon steel can be improved by the electric pulse,and the equiaxed crystal ratio increases obviously.Among the four parameter factors of electric capacity,frequency,applied time and voltage,the most effective factor is frequ... 
2011-01-28 163 5.8

【作者】 严伟明; ...
2013-09-28 132 5.8

通过固溶度积公式计算及热模拟实验,对不同热装和加热温度条件下的无取向硅钢铸坯中析出相进行了研究.在低于950℃热装时,铸坯中AlN的析出量和尺寸不再变化,但MnS和AlN-MnS的数量及平均尺寸随着热装温度降低而进一步增加,并在温度低于600℃时达到最大值后保持不变.与1200℃相比,1100℃加热的铸坯中AlN、MnS的总固溶量相对更少.相比850℃热装,600℃热装再加热到1100℃的铸坯中AlN和MnS的总固溶量更少,且AlN和MnS尺寸更大.合适的热装温度和加热温度分别为600℃和1100℃. Based on solubility product calculation and thermal simulation experiments,precipitated phases in continuous casting slabs of non-oriented silicon steel were systematically studied at different hot charging and heating temperatures.When the hot charging temperature is below 950 ℃,the content and size of AlN remain unchanged,but the quantity and size of MnS and AlN-MnS increase when the hot charging temperature decreases,reach maximum and remain unchanged when the hot charging temperature is belo... 
2013-08-28 158 5.8

本实用新型提供了一种去角硅钢片铁芯加工用的吊装装置,包括安装板,所述安装板下设有防护筒,所述防护筒包括左半筒和右半筒,所述安装板上设有移动组件,所述移动组件包括气缸,所述气缸连接有伸缩杆,所述伸缩杆另一端连接有安放框架;所述左半筒和右半筒底壁皆设为开口状且侧壁上设有连通槽,所述左半筒和右半筒上分别设有防护组件,所述防护组件包括异型板和连接盒,所述异型板底部连接有固定板,所述固定板和连接盒之间连接有挤压弹簧,所述挤压弹簧内部设有传动杆,所述左半筒和右半筒内部两侧分别设有防护板。本实用新型可以有效挂住硅钢片,不会挤压坏封胶,且具有防护措施。
2020-12-14 175 6.8

【作者】 卢鹏; ...
2014-03-28 123 5.8

对高磁感取向硅钢冷轧板分别进行800、950、1050和1120℃不脱碳的预退火处理,在800℃预退火,成品的磁性能较好。织构分析的结果表明,随着预退火温度升高,初次再结晶后有利织构组分{111}<112>与不利织构组分(118)[110]的比值f(111)/f(118)逐渐降低,初次再结晶织构的变化是成品磁性的影响因素之一。 Preliminary annealing process at different temperatures for cold-rolled strips of a high permeability grain-oriented silicon steel was investigated to study the effect of the annealing temperature on microstructure and magnetic performance of the steel.Results show that the magnetic performances of the products annealed at 800 ℃ are best.Analysis of primary recrystallization texture indicates that with rising temperature,f(111)/f(118) which is the ratio of the favorable component {111}<112>... 
2013-03-28 142 5.8

主要研究了0.7%Si无取向电工钢退火试样的组织、晶粒尺寸和织构对其磁性能的影响。结果表明,随着退火温度的升高,晶粒尺寸逐渐增大,组织的均匀性得到改善;ɑ取向线上的纤维织构多集中于{114}<110>和{223}<110>附近,再结晶结束后,织构含量变化不大。{111}<110>织构取向密度值随温度升高而下降,{112}<111>织构与{111}<110>织构变化相反。晶粒尺寸增大对磁感强度的影响较小,而对铁损的影响较大。 Influences of microstructure,grain size and texture on the magnetic properties of 0.7% Si non-oriented electrical steels annealed samples were studied.The results show that with annealing temperature increasing the average grain size is increased gradually.Uniformity of the microstructure is improved;the textures of ɑ-fiber gathered in the vicinity of the { 114} < 110 > and { 223 } < 110 > texture.After recrystallization,the volume fraction of texture changes small.{ 111} < 110 &g... 
2013-07-28 153 5.8

本发明涉及冶金技术领域,具体涉及一种高牌号硅钢用连铸结晶器保护渣及其制备方法和应用。本发明提供的连铸结晶器保护渣,所述保护渣包括如下质量百分比的化学成分:SiO2:40‑45%、CaO:20‑27%、MgO:1.0‑2.5%、Al2O3:1‑3%、Na2O:12‑16%、F:10‑13%、C:1‑3%,其余为不可避免的杂质;其中所述保护渣的二元碱度CaO/SiO2为0.5‑0.6,熔点为950‑1000℃,1300℃下的粘度为0.25‑0.35Pa·s。本发明提供的连铸结晶器保护渣,通过低碱度、低熔点、低粘度的保护渣可有效抑制高牌号硅钢材料在连铸时铸坯表面易出现凹陷和裂纹的现象。
2021-11-04 162 6.8

针对本钢薄板坯铸机在生产无取向电工硅钢的过程中存在的铸坯拉断、中包增碳、增氮等问题,进行了连铸工艺优化。通过采用新型无碳中间包覆盖剂、环保中间包干式料及专用结晶器保护渣后,降低了铸坯增碳量;通过控制钢包到中间包的增氮环节,降低钢水增氮;适当增大二冷水量,控制钢水过热度,防止铸坯拉断等生产事故的发生。改进工艺后,精炼后到成品铸坯的平均增碳量能控制在10×10-6以内,平均增氮量能控制在4×10-6以内。 The technology optimization has been adopted for preventing nitrogen increasing and carbon increasing in Benxi thin slab producing non-oriented silicon steel.Measures accordingly were adopted and satisfactory results were achieved. 
2011-05-28 170 5.8

本发明属于硅钢制备技术领域,具体涉及一种无底层取向硅钢的制备方法。其中,所述脱碳退火的过程中,带钢表层的氧化膜厚度为1.5~2.5μm;所述氧化膜中Si元素和Fe元素的原子重量比满足:Si/(Si+Fe)≥0.76;所述高温退火的过程中,冷却段依次包括:在温度为1200~500℃时,罩内冷却;其中,保护气体为包括有氮气和氢气的混合气体,所述混合气体中氢气的体积百分比>3%;在温度为500~200℃时,罩内冷却;其中,保护气体为氮气;在温度<200℃时,揭开内罩进行空气冷却。本发明提供的无底层取向硅钢的制备方法中,通过控制带钢在脱碳退火阶段的氧化膜厚度以及高温退火的冷却段等一些工艺,从而得到了表面光洁化好、表面均质化好、成材率高、磁性能优良的无底层取向硅钢。
2020-12-17 177 6.8

试验研究了退火温度(850~950℃)和时间(5~18 min)对2.3 mm热轧硅钢板(/%:0.036C,3.15Si,0.21Mn,0.005P,0.007S,0.032A1)6道次轧制的0.35 mm冷轧板组织和织构的影响。结果表明,退火温度越高,晶粒平均尺寸越大,900℃5 min退火时平均晶粒尺寸41.39μm,试样织构主要集中在γ取向线上的{111}<112>织构组分和{111}<110>织构组分;900℃18 min退火时平均晶粒尺寸为48.08μm,试样的{111}面织构和{112}面织构密度都明显减弱,{001}面织构增强,磁性能较优。 The effect of annealing temperature(850 ~950 ℃) and holding time(5 ~ 18 min) on structure and texture of 0.35 mm sheet by 6 passes cold-rolling from 2.3 mm hot-rolled plate of silicon steel(/%:0.036 C,3.15 Si,0.21 Mn,0.005 P,0.007 S,0.032A1) has been tested and studied.Results show that the higher the annealing temperature the coarser the average grain size;As annealing at 900 ℃ for 5 min the average grain size of steel sheet is 41.39 μm,and the texture in sample is mainly concentrated in y orie... 
2014-06-28 154 5.8

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