硅钢资料

以构建高磁感、低铁损、免轧制高硅电工钢铁芯为出发点,提出采用单辊甩带制备非晶铁硅合金薄带、微氧化法在铁硅合金粉末表面包覆高电阻率铁硅氧化物薄膜制备核壳异质结构高硅电工钢纳米粉末、放电等离子烧结快速成形制备颗粒间绝缘的高硅电工钢铁芯。研究了不同氧化包覆时间对SPS烧结试样密度、物相组成、微观结构和静磁性能的影响。研究表明,在氧化包覆5h烧结温度800℃工艺条件下,制备的6.5%Si高硅电工钢铁芯的静磁性能最佳,饱和磁化强度为128.84A.m2/kg、矫顽力为2.25kA/m、剩磁为3.47A.m2/kg。其饱和磁化强度与粉末压延法制备的高硅钢相当,但矫顽力降低了1/3。 The paper takes preparation 6.5%Si steel with high induction,low core loss and removing rolling as the starting point,amorphous Fe-Si ribbons was synthesized by melt spinning method,6.5%Si steel nanopowders with high resietivity core shell structure was prepared by the slight oxidation process and 6.5% Si steel iron core with evaluating internal was sintered by spark plasma sintering process(SPS).The essay focuses studies the effects of different oxidation cladding time on sample density,phase c... 

【摘要】 <正>近日,世界上最先进的硅钢冷连轧酸轧...

借助电子背散射衍射(EBSD)及ZEISS-200MAT金相显微镜对某钢厂普通取向硅钢(CGO)进行研究,研究结果表明:热轧板组织、织构沿板厚方向存在明显的不均匀性,在热轧板表层及次表层发生再结晶,同时存在强度较高的Goss织构,中心层存在较强的{001}<110>变形织构。冷轧组织均呈纤维状条带组织,一次冷轧后,热轧板中的Goss织构消失,织构主要为α、γ织构,经中间脱碳退火后,α、γ织构强度减弱,并出现一定强度的Goss织构和利于Goss织构发展的{554}<225>、{332}<113>等织构,经二次冷轧后,二次冷轧织构类型与一次冷轧织构一致,但织构强度不同。 The grain-oriented silicon steel produced by a steel factory was investigated by EBSD and ZEISS-200 MAT metallographic microscope.The results show that the textures and microstructures along thickness of hot rolled slab are inhomogeneous.The surface layer and the layer near that are recrystallized structure which has a high Goss texture,but there is deformation texture{001}<110>in the central layer.The structure after cold rolling is a structure like fiber strip.After the first cold rollin... 

本实用新型公开了一种硅钢片冲压模具，包括上模和下模，上模和下模之间通过导向杆连接，下模上设有出料槽，出料槽的底部设有一磨盘，磨盘通过齿轮连接电机。本实用新型结构设计合理巧妙，当硅钢片冲压下落时，磨盘通过电机带动转动，对硅钢片的周围进行打磨，使硅钢片边缘平整，叠铆时上下不易错位。

本发明公开了一种生产高表面质量镀铝硅钢带的方法，属于连续热浸镀铝硅技术领域。本发明的生产高表面质量镀铝硅钢带的方法，包括酸洗、冷轧、清洗、连续退火、热浸镀铝硅和冷却处理，所述冷却包括预冷段和强冷段，其中预冷段是通过预冷风机将带钢温度冷却至620～630℃，强冷段包括三段强冷，三段强冷采用水雾冷却，且控制强冷段冷却速率≥30℃/s。本发明通过控制钢带表面粗糙度、清洗质量、退火炉气氛、气刀参数以及镀层结晶控制器参数，可以有效控制铝硅产品表面结晶尺寸、减少漏镀等典型缺陷，生产出高表面镀铝硅钢带。

对RH法(真空循环脱气法)生产的冷轧硅钢的脱硫原理及影响因素进行了分析研究。研究表明:降低顶渣中FeO、MnO的含量,提高钢液温度,增加脱硫剂的加入量并延长其循环时间有利于提高脱硫效率。 The principles of desulfurization and its influence factors of cold rolling silicon steel during RH process have been studied in this paper.The result indicated that reducing contents of FeO and MnO,rising temperature of the liquid steel,increasing quantity of desulfurizer,lengthening cycle time of desulfurzer are benefit for desulfurization. 

为满足用户对无取向电工钢中硫含量的要求,采用CaO-CaF2复合渣系为脱硫剂,利用RH投入法对无取向电工钢进行深脱硫试验。试验结果表明,RH精炼渣成分控制在w CaO43%~51%、w Al2O325%~31%、w MgO4%~6%、w SiO29%~12%、w(FeO+MnO)3%~6%,在脱硫剂加入量为6~8 kg/t时,钢中平均硫含量从32×10-6降低到18×10-6,RH平均脱硫率为43.3%,最高达47.1%。利用KTH模型计算精炼终渣平均硫容量为0.003 1,RH精炼结束时渣-钢间实际平均硫分配比从14增加到52。 In order to satisfy the requirements of consumers on sulfur content in non-oriented electrical steel,taking( CaO-CaF 2) based flux as desulfurizer,industrial experiments on deep desulphurization of non-oriented electrical steel were carried out during RH process. The results show that as the compositions of refining slag are appropriately controlled with w CaO of 43% ~ 51%,w Al2O3 of 25% ~ 31%,w MgO of 4% ~ 6%,w SiO2 of 9% ~ 12%,and w( FeO + MnO) of 3% ~ 6%,and the desulfurizer added are at 6 ~ ... 

本发明公开了一种精确控制高磁感取向硅钢连铸坯Als成分的方法，本发明涉及的主要是高磁感取向硅钢生产过程的连铸工艺环节，负责将高温液态钢水浇注凝固成固态连铸坯。通过采取控制大包下渣、加入足量中间包覆盖剂、采用长水口+石墨垫圈+氩封保护浇注等方法，将精炼结束到连铸过程Als降低量稳定控制在0.0030～0.0045%范围内，稳定了二次氧化程度。通过采用本方法生产的连铸坯Als含量稳定在0.0245～0.0275%范围内，为提高取向硅钢产品的磁感和铁损性能奠定坚实的基础保障。

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... 

本实用新型涉及一种具有在线测量功能的电工钢片横剪线，包括床身，床身上沿其长度方向安装有导轨，电工钢片在外部驱动辊带动下以导轨为导向移动；位于导轨一端端头外部的床身上安装有测量辊组件，位于导轨另一端处的床身上安装有影像测量组件；测量辊组件、导轨和影像测量组件的中心位于同一直线上，影像测量组件横跨设置于导轨上方；位于测量辊组件和影像测量组件之间的床身上依次安装有冲孔组件、V冲组件和斜剪组件；本实用新型通过测量辊组件对电工钢片行进长度进行检测，通过影像测量组件对电工钢片成型尺寸进行检测，从而便利于及时调整横剪线整体的运行状态，有效助力于保证合格率，并降低了人工负担。

本发明公开了一种硅钢片漆，该硅钢片漆采用特定的聚酰胺酰亚胺乳液制备，通过使偏苯三酸酐与组合形式的双端氨基化合物反应，添加三乙胺进一步提升反应进行的程度，并赋予整体更好的柔性和韧性，而磷酸三丁酯能够进一步通过物理改性改善体系的韧性，之后蒸出全部的有机溶剂，并添加一定量的水溶性有机溶剂，然后加入组合形式的活化剂，混合，再滴入水，形成稳定的乳液，最后添加双马来酰亚胺封端剩余的活性基团，该硅钢片漆不仅可以采用水作为主体溶剂，提升了环保型，而且还兼具耐高温、高粘结强度、电气性能强等优点，并有好的环境抗性与施工性能。

采用传统的轧制和退火工艺制备了0.30mm厚的6.5%(质量分数)Si高硅电工钢薄板,采用X射线衍射技术对退火过程中的再结晶织构进行了研究。冷轧高硅钢薄板700℃退火形成以{111}〈112〉为峰值的γ织构(〈111〉∥ND)和以{001}〈210〉为峰值的{001}织构;而900℃以上温度退火则形成强{001}〈210〉织构。进一步的研究表明是在晶粒长大过程中{001}〈210〉发展成为主要再结晶织构组分。 High silicon steel thin sheets with thickness of 0.3mm were successfully produced by conventional rolling and annealing methods.Recrystallization texture was investigated by means of X-ray diffraction.It is found that recrystallization texture is mainly composed of γ fiber(〈111〉∥ND)with peak at {111}〈112〉 and {001} fiber with peak at {001}〈210〉 after annealing at 700℃,while strong {001}〈210〉 component dominates recrystallization texture after annealing above 900℃.It is during grain growth that {...