硅钢资料

采用光学显微镜和X射线衍射仪研究了常化退火处理对无取向硅钢热轧板和成品退火板显微组织和织构的影响。结果表明:常化退火处理消除了热轧板中的变形组织,促使变形晶粒完成再结晶;常化退火处理使高斯织构和立方织构易通过再结晶在变形带内形核和长大,可显著降低成品退火板的{111}和{112}不利织构组分的占有率,提高{100}和{110}有利织构组分的占有率,从而有利于提高无取向硅钢成品板的磁性能。 The effect of normalizing annealing treatment on microstructure and texture of non-oriented silicon steel hot rolled plates and final products were investigated by means of optical microscope and X-ray diffractometer analysis.The results show that the deformed microstructure of the hot rolled plates transformed into recrystallized grain after normalizing annealing treatment.The grains of Goss texture and cubic texture crystallographic orientation were formed and grown by recrystallization in the... 

对两种硅钢水溶性极厚绝缘涂层进行了不同温度的热老化实验。通过TG-DTA,GDS,FT-IR,SEM和光泽度仪等测试方法对老化的涂层进行分析表征,提出了评估硅钢水溶性极厚绝缘涂层热老化性能的合理温度区间,探讨了涂层热老化行为,并分析了两种涂层热老化性能的差异。结果表明,涂层附着性随着老化时间的延长逐渐下降。FT-IR表征结果显示,热老化过程中,涂料交联形成的化学键未发生断裂,交联剂氨基树脂的三嗪环被破坏是聚合物三维网络结构坍塌的主要原因。 Thermal aging expriments at different temperature were carried out on two types of water-soluble and extra-thick insulation coatings for non-oriented silicon steel,and a series of test methods such as glossmeters,TG-DTA,FT-IR,GDS,SEM were applied in analysis.For evaluating the thermal aging effect of this kind of insulation coating,the proper temperature range was proposed.The difference of aging performance between two coatings was been investigated and the related behaviors were been discussed... 

为了解决在纹理背景下冷轧硅钢表面缺陷的分割问题,提出了基于局部信息结构张量和活动轮廓模型的硅钢表面缺陷分割方法。将图像的局部信息引入到结构张量中;在结构张量提取的特征空间中,以KL距离作为区域的概率密度相似性度量建立分割图像的活动轮廓模型;采用Split-Bregman数值解法对模型进行求解。运用提出的分割方法对硅钢表面的一些常见缺陷如纵向划伤、横向划伤、异物和孔洞等进行分割实验。实验结果表明,该方法可以准确地分割出硅钢表面缺陷区域,验证了该方法的有效性。 In order to address the segmentation problem for cold rolled silicon steel surface defect based on the texture background,a novel method based on structure tensor and active contour model is proposed.Image local information is introduced to the structure tensor.In the extracted feature space of structure tensor,KL distance is treated as a regional similarity measure of the probability density to establish active contour model for image segmentation.The numerical solution of Split-Bregman is used... 

【作者】 彭志华； ...

研究了热轧卷取时间对无取向电工钢晶粒组织、织构演变、铁损和磁感的影响。结果表明,成品晶粒尺寸在120～140μm之间,随卷取时间的增加,成品晶粒尺寸增大。成品织构主要由γ纤维、а纤维和高斯织构等构成。随着保温时间的增加,{111}<110>和{112}<110>织构强度降低。随卷取时间的增加,成品P1.5降低。热轧板最佳的卷取工艺为550℃保温2～3 h,电工钢的综合磁性能优良。 The effects of hot-rolling coiling time on microstructure,texture,core loss and magnetic induction of a new cold-rolled non-oriented electrical steel containing copper were investigated.The test results showed that for final product the grain sizes are 120-140um,with the increase of coiling time,the grain size increase.For final product there are mainly γ-fibre,а-fibre,and {110}<001> texture,Coiling at 550℃ for hot rolled plate,the {111}<110>,{112}<110> texture was weaked with ... 

本发明公开了一种批量稳定生产高牌号无取向电工钢的方法，包括以下步骤：开卷→加热→水套冷却→水雾冷却→水喷淋冷却→抛丸→酸洗→切边→卷取→使用单机架六辊轧机进行轧制成卷；该方法可实现高牌号无取向电工钢在六辊UCM轧机冷轧后无边裂产生，可将带钢板形值控制在‑5I～+5I，厚度精度控制在±3μm，该方法生产的高牌号无取向电工钢无板形及表面质量缺陷，产品质量良好，可实现高牌号无取向电工钢的批量稳定轧制。

本实用新型公开了一种无取向硅钢绝缘涂层粘结性检测装置，涉及涂层粘结性检测技术领域，为解决现有的无取向硅钢绝缘涂层，在对绝缘涂层粘结性检测过程中，其检测结构单一，容易导致检测不准的问题。所述基座的上方设置有存料罐，所述存料罐的内壁设置有防腐涂层，所述存料罐的底部设置有声波感应器，所述声波感应器的一侧设置有液位感应器，所述液位感应器的一侧设置有自控温度调整器，所述存料罐的上方设置有控制盘，所述控制盘的表面设置有PLC操控器，所述控制盘的上方设置有电机，所述电机的一侧设置有带轮结构，所述带轮结构的一侧设置有伸缩气缸，所述伸缩气缸的一侧设置有联动结构，所述伸缩气缸的一端设置有收缩棒。

基于BOF→RH→CSP生产工艺,研究了RH精炼过程钢中夹杂物类型演变及MgO·Al2O3夹杂物形成规律,同时对MgO·Al2O3夹杂物的形成条件进行了热力学计算,借助CFD数值模拟软件研究了RH精炼过程卷渣行为。研究发现,RH精炼过程20和30 min时,w([MgO])/w([Al2O3])为0.005~0.020,未发现MgO·Al2O3夹杂物;RH出站后夹杂物w([MgO])/w([Al2O3])为0.3~0.5,且RH精炼结束后MgO·Al2O3夹杂物占夹杂物总量的58.4%;另外,RH精炼过程钢液表面速度CFD模拟结果为0.57 m/s,大于临界卷渣速度0.45 m/s,且顶渣成分与夹杂物成分相近,存在卷渣现象。热力学计算表明,钢液与炉渣平衡时钢中w([Al])为0.31%~0.37%,w([Mg])为0.00024%~0.00028%,在MgO·Al2O3生成区域之内。减少RH处理过程卷渣,浇铸过程下渣及控制顶渣和包衬相中MgO质量分数可抑制MgO·Al2O3夹杂物形成。 Based on the practical production of non-oriented silicon steel, the evolution of inclusion type and the formation of MgO·Al2O3inclusion were analyzed in the process of BOF→RH→CSP. The thermodynamic conditions for forming MgO·Al2O3inclusion were discussed and the behavior of slag entrapment of molten steel was also simulated by CFD software during RH refining. The results showed that the value of w([MgO])/w([Al2O3]) was in the range of 0.005-0.020 and no MgO · Al2O3 inclusion was observed at 20 ... 

本发明提供了一种高硅钢及其制备方法，所述高硅钢由如下质量分数的化学成分组成：Si：5.0‑7.0％，Ni：0.001‑0.05％，Ce：0.0001‑0.0002％，其余为Fe和不可避免的杂质。本发明提供的高硅钢的延伸率为15‑22％，抗拉强度为739‑824MPa，磁感应强度B8为1.26‑1.29T，铁损P2/10k＝68‑80W/kg，矫顽力为10.6‑13.4/m，最大磁导率为19000‑25000，具有良好的磁性能和延伸性能，易加工且可大规模生产应用。

通过对激光粒度分析仪测量硅钢级氧化镁(MgO)的分析条件进行优化,如分散介质、分散方式、样品预处理、仪器暗淡度等,探讨了硅钢级MgO粒度范围测量重现性较好的试验方法,满足硅钢生产过程控制对MgO粒度的要求。 The analysis condition of the laser particle size analyzer on grain oriented silicon-steel grade magnesium oxide is optimized,including the dispersion medium,dispersion methods,sample preparation,and instrument obscuration,etc.Therefore,particle size measurement with good reproducibility for silicon-steel magnesium oxide is discussed,which may meet the requirement of MgO particle size for silicon-steel process control. 

本实用新型涉及物料混合技术领域，尤其为一种用于硅钢绝缘涂料温控反应釜，包括反应釜，所述反应釜右侧上方固定连接有输料管，所述输料管右端面固定连接有电机外壳，所述输料管右侧上方内部固定连接有入料管，所述电机外壳内部右侧固定连接有第二电机，所述第二电机左侧顶端转动连接有输料轴，所述反应釜上端面固定连接有第一电机；本实用新型中,通过设置的输料轴，能将物料慢慢输送至反应釜内，防止一次性将物料倒入反应釜中发生强烈反应，并且将小块物料放置进入料管时，可以在入料管内进行堆积，而第二电机旋转带动输料轴运动时，可以将入料管底部的物料卷进输料轴的空隙中，移动至顶端，物料会自动落下，非常方便。

本实用新型公开了一种电工钢出炉水雾冷却装置，包括冷却箱和电工钢本体，所述冷却箱的顶部内璧固定有等距分布的第一支管，且第一支管的一端固定连接有第一进水管，所述冷却箱的底部固定有对称分布的两个支撑板，且支撑板的相对侧外壁靠近顶端转动连接有等距分布的辊轮，所述冷却箱的底部内壁和支撑板的上表面均固定有第二支管，所述第一支管和第二支管的圆周外壁均固定有等距分布的喷头。本实用新型水雾分别进入第一支管和第二支管后，从喷头喷出，对电工钢本体的上下两面喷洒降温，水雾均匀的附着于电工钢片的表面，并实现冷却作业，提高冷却效率，也保证了硅钢片的质量，避免硅钢片表面冷却不均匀致使厚度不一。