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采用扫描电镜、场发射扫描电镜、能谱仪等对50SW1300冷轧无取向硅钢中的夹杂物分不同尺寸区间进行数量统计,利用主成分回归分析法,即数据的标准化处理—主成分分析—回归分析—标准化的变量还原成原始变量—确定显著影响因素,综合分析夹杂物总量及各尺寸区间的夹杂物数量对无取向硅钢磁性能的影响。结果表明:主成分回归分析能够从夹杂物尺寸区间及数量的多个影响因素中提取主要的因素,定量研究其对磁性能的影响。分析表明,显著影响无取向硅钢铁损的夹杂物为100~500nm的AlN、AlN+MnS、MnS、Al2O3、AlN+Al2O3,而劣化磁感最明显的夹杂物尺寸区间为100~200nm。 Different size intervals of inclusions in cold rolled non-oriented silicon steel 50SW1300 were counted by scanning electron microscope(SEM),field emission scanning electron microscope(FESEM)and energy disperse spectroscopy(EDS).With principal component regression method:standardization for experimental data,principal component analysis,regression analysis,transform standardized variables into original variables,determination of significant factor,effects of the total number of inclusions and the... 
2014-10-28 96 5.8

【作者】 张煜; 朱国辉; ...
2013-03-28 59 5.8

研究二次冷轧压下率对于硅的质量分数为3.0%的无取向硅钢组织结构和磁性能的影响。结果表明:当第二次冷轧压下率从0变化至16.7%时,铁损逐渐增加,磁感逐渐降低。当第二次冷轧压下率大于16.7%时,随压下率的增加,铁损逐渐减小,磁感逐渐增加。当第二次冷轧压下率大于38%时,二次冷轧法所能获得的磁性能明显优于一次冷轧法。 Effect of double cold reduction on magnetic,microstructure and texture of 3.0% Si non-oriented silicon steel sheets was investigated.The results show that the iron loss increases and magnetic induction reduces as the percentage redcution in secondary cold rolling changes from 0 to 16.7%.The core loss can be reduced remarkably,and magnetic induction can get a little benefit if the percentage redcution in double cold reduction is higher 16.7%.In case of higher than 38% of the percentage redcution ... 
2012-11-28 73 5.8

以试验室模拟CSP工艺生产的Fe-3Si热轧钢带为研究对象,采用正交试验及方差分析的方法,研究了取向硅钢初次再结晶退火工艺对高温退火后获得锋锐的高斯织构的影响。结果表明:取向硅钢两段式初次再结晶脱碳退火工艺参数加热段保温时间及加热温度是高温退火后获得锋锐高斯织构的主要影响因素,其可信度分别在90%和85%以上;在本试验条件下,通过正交试验获得的最佳退火工艺为:冷硬板经600℃保温3 min和850℃保温6 min。 Fe-3Si hot rolled strip was produced by simulating CSP technology in the laboratory.Orthogonal experiment and analysis of variance were carried out to investigate the influence of primary recrystallization on the sharp Goss texture of the oriented silicon steel.The results show that holding time of the heating section and the heating temperature for a sharp Goss texture of the samples annealed has important implications in this experiment conditions,the two-step decarburization annealing process... 
2013-02-28 74 5.8

本实用新型公开了一种具有废料回收机构的硅钢板带加工用切割装置,包括箱体,所述箱体的前侧靠近顶部处设有电机,所述箱体的顶部靠近前侧处固定连接有竖板,本实用新型一种具有废料回收机构的硅钢板带加工用切割装置,电机在工作时既能带动切割刀进行切割作业,同时还能带动第一筛板和第二筛板以相邻转轴为中心上下摆动,切割的废屑从切割槽穿过达到箱体内腔,第一筛板和第二筛板对废料进行筛分处理,通过隔板设置,隔板将集料盒分为两个存储空间,隔板右侧存储穿过第一筛板和第二筛板的细料,隔板的左侧存储被第一筛板和第二筛板过滤下来的粗料,既方便操作人员对废料进行集中处理,还对废料进行了筛分处理,以此方便对废料进行分类重复利用。
2021-08-25 51 6.8

一种分步调控制备高磁感高强度无取向电工钢的方法,按以下步骤进行:(1)按设定成分采用转炉冶炼钢水,制成连铸坯,含C0.001~0.008%,Si1.5~4.8%,Cu0.5~2%,Ni0.5~1.5%,Al0.2~1%,Mn0.2~1.5%,P<0.005%,S<0.005%,其余为Fe;(2)将连铸坯置于均热炉保温,多道次热轧相邻两道次间隔时间为30~180s;空冷;(3)常化处理;(4)多道次冷轧;(5)退火处理;(6)时效处理。本发明的方法成本较低、工艺简单,生产的无取向电工钢兼具优异的力、磁性能,能够很好的满足驱动/牵引电机的使用需求。
2021-08-09 63 6.8

介绍了微合金元素锡、铌、稀土对无取向硅钢性能的影响,并扼要分析了这些元素对硅钢性能的影响机理:晶界偏聚元素Sn可细化晶粒提高硅钢磁性能;微合金元素Nb细化铁素体晶粒,提高硅钢的强度、韧性和塑性及磁性能;稀土元素(RE)在硅钢中的主要作用包括净化钢液、变质夹杂物、改善铸态组织和性能及微合金化,减少晶界上出现偏析的几率。 The influence of micro-alloy elements on properties of non-oriented silicon steel and the mechanism for effect of the micro-alloy elements including Sn、Nb and RE on the properties of steel are presented and analyzed in this paper.Grain boundary segregation elements Sn in steel can grain refinement and improve the magnetic properties;Micro-alloy elements Nb can refine the ferrite grain,increase the silicon steel strength,toughness and plastic;The main role of the RE in the silicon steel including... 
2013-03-28 74 5.8

本发明公开一种硅钢片叠片装置,涉及硅钢片叠加领域,包括:上料机构,其包括第一定位装置,第一定位装置包括多个第一轴向定位柱,第一轴向定位柱与周向开孔一一对应,多个第一轴向定位柱分别穿过不同位置的周向开孔;精定位机构,其周向定位硅钢片;下料机构,其包括第二定位装置,第二定位装置包括用于与硅钢片的中心孔相配合的中心定位柱;用于将设置于第一轴向定位柱上的硅钢片移动至精定位机构的移载机构;摄像装置;机器臂,摄像装置与机器臂通信连接,机器臂根据摄像装置拍的键槽方口特征调整硅钢片的角度、并将硅钢片移动至中心定位柱。该硅钢片叠片装置能够有效降低人工劳动强度,并提高叠放效率。
2021-07-12 48 6.8

本实用新型涉及一种硅钢片横剪线用转运系统,包括一暂存组件,所述暂存组件包括一暂存支架,在暂存支架上安装有若干存放条料卷用的凸台;一转运组件,包括一转运底座,该转运底座由第一水平移动机构驱动进行往复移动,在转运底座上安装有一转运支架,所述转运支架由一旋转机构驱动进行转动,且转运支架由第二水平移动机构驱动进行水平移动,在转运支架上安装有一转运托架,所述转运托架由一升降机构驱动上下升降。本实用新型的优点在于:通过暂存组件与转运组件之间的相互配合,实现了条料卷的竖直存放,方便了后续人员选用所需宽度的条料卷,也实现了条料卷的自动流转,有效的降低了人工劳动强度,对于人力资源的消耗也减少了。
2021-06-22 92 6.8

电工钢试样加工产生的剪切应力会恶化钢板的磁性,对不同牌号硅钢片的横向、纵向试样退火前后磁性能的变化进行研究,结果表明:无取向硅钢片在剪切过程中横向、纵向的磁性受到剪切应力影响是不一样的。 The electrical steel sample processing magnetic of electrical steel will worsen due to the shear stress of sample. In this paper,the magnetic change of transverse,longitudinal specimens of different type of silicon steel sheet before and after annealing are studied. The results show that the magnetic of non- oriented silicon steel sheet affected in the process of shear is not the same in horizontal and vertical direction. 
2013-05-28 76 5.8

取向硅钢常化工序主要采用现场实测带钢温度的方式测定冷却速率,并通过稳定冷却水温、调整冷却水量及喷梁运行数量等方式保证合理的冷却速率,给常化工艺设计和生产带来诸多不便。通过对常化工艺水冷过程带钢的传热分析求解,在建立带钢水冷温度模型的基础上,研究了不同冷却工艺参数对带钢温度及冷却速率的影响规律以及冷却工艺的交互作用结果。结果表明:模型计算结果能够较好地反映取向硅钢在常化水冷过程中的温度及冷却速率的变化,其计算误差为0.80%~4.11%;在特定取向硅钢厚度规格和常化工艺下,随着常化冷却水量及有效冷却长度的增加,带钢水冷温度及冷却速率与呈非线性变化;常化水冷工艺主要通过调控带钢与冷却水之间热交换量和交换时间实现对带钢温度的控制,实际生产中需综合考虑机组速度、冷却水量及有效冷却长度之间的交互作用,选定喷梁投入数量和冷却水量以获得稳定的冷却速率。 The cooling rate of normalization process mainly determined by measuring the grain oriented silicon steel strip temperature on site, and ensures the cooling rate by stabilizing the cooling water temperature, adjusting the cooling water volume and the operation quantity of spray beam, which brings inconvenience to the normalization process design and production. Based on the heat transfer of strip in the water cooling section of normalization process, the water cooling temperature model for the n... 
2022-01-28 90 5.8

结合实际生产0.4%Si无取向硅钢,统计了不含Sn和0.025%Sn无取向硅钢的磁性能变化,利用金相显微镜、X射线衍射仪观察分析不同成分下试样的显微组织和微观织构。试验结果表明:Sn元素可以显著降低无取向硅钢的晶粒尺寸,0.025%Sn试样的平均晶粒尺寸比不含Sn减小28.4%;加入Sn元素后抑制了无取向硅钢中不利于磁性能的{111}面织构组分强度,提高了对磁性能有利的{100}面织构组分强度,0.025%Sn与不含Sn相比磁感均值从1.756 T提升至1.768 T,铁损均值从5.476 W/kg降低至5.204 W/kg,明显改善了无取向硅钢磁性能。 In this paper combined with the actual production of 0.4% Si non oriented silicon steel, the magnetic properties of non oriented silicon steel without Sn and 0.025% Sn were counted. The microstructure and microtexture of samples with different compositions were observed and analyzed by metallographic microscope and X-ray diffraction. The results show that: Sn can significantly reduce the grain size of non oriented silicon steel, and the average grain size of 0.025% Sn sample is 28.4% smaller tha... 
2022-01-28 74 5.8

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