硅钢资料

一种厚度≤0.15mm无取向硅钢带，其组分及wt%为：Si：2.0～6.5%，Mn：0.13～0.40%，S≤0.020%，P≤0.020%，Als：0.15～0.9%，C≤0.010%；工艺：经冶炼、浇注成坯后热轧至中间坯厚度；冷轧；常温脱脂；光亮罩式退火；经碱洗后涂覆；分条。本发明在保证铁损P1.0/400£13W/kg,磁感B2000³1.5T下，还使钢带厚度公差不超过±0.005mm,最小叠装系数³0.92完全满足连续冲制要求。

通过对3%Si CGO硅钢进行恒变形速率、不同变形温度下的单道次压缩实验,结合Thermal-Calc软件,金相分析,SEM及EBSD技术,研究了取向硅钢热变形过程中组织和微观织构的变化规律。结果表明:实验钢是在双相区变形,变形后组织主要是铁素体和少量的珠光体。随变形温度的升高,晶粒由长条状变为等轴状,尺寸逐渐变大;CGO硅钢在热变形过程中立方{100}<001>取向是较为稳定存在的。随着变形温度的提高,{111}<110>等取向逐渐转向{110}<1 10>取向,且{110}<1 10>取向逐渐变得锋锐。 3% Si CGO silicon steel was studied at constant strain rate and different deformation temperatures by single-pass compression deformation experiments to reveal the evolution of microstructure and texture during thermal deformation in oriented silicon steel,and the Thermal-Calc software,metallurgical,SEM and EBSD technique was used in the experiment. The results show that experimental steel is deformed at the temperatures of two-phase zone. The microstructure of the deformed steel consists of fer... 

试验研究了0.3 mm取向硅钢冷轧板(/%:0.046C,3.07Si,0.09Mn,0.029P,0.004S,0.005A1)的退火温度(760~880℃7 min)和退火时间(820℃3~9 min)对该钢的晶粒尺寸,再结晶和织构的影响。结果表明,最佳初次再结晶退火工艺为820℃5 min,该钢的平均晶粒尺寸为14.20μm,完全再结晶率为92%,不利{111}<110>结构含量为3.16%,有利织构{111}<112>,{012}<001>和高斯织构含量分别0.40%,4.73%和2.46%。 The effect of annealing temperature(at 760 ~ 880 X.for 7 min) and time(at 820℃ for 3~9 min) on grain size,recrystallization rate and texture of 0.3 mm cold-rolled sheet of oriented silicon steel(/%:0.046C,3.07Si,0.09Mn,0.029P,0.004S,0.005Al) has been tested and studied.Results show that with optimum recrystallized annealing at 820℃ for 5 min,the silicon steel average grain size is 14.20 fun,the complete recrystaUization rate is 92%,the unfavourable-texture {111}< 110 > content in steel is ... 

本实用新型公开了一种硅钢片切割装置，包括底座和硅钢片本体，所述底座的上表面分别设置有驱动机构和切割框，驱动机构的表面设置有激光切割机构，切割框的内底壁开设有条形槽，条形槽的内壁转动连接有丝杠，丝杠的表面螺纹连接有滑动块，滑动块的上表面固定安装有定位框，定位框的内壁设置有电动推杆，电动推杆的推送端设置有定位板。该硅钢片切割装置，在对硅钢片进行切割时，能够通过小型电机的转动使定位框从切割框内移出，从而便于操作人员对硅钢片本体的放置，放置完成后，小型电机反转，使定位框带动硅钢片本体进入切割框内并与在转动辊的作用下滑动进入定位槽内，从而实现对硅钢片本体的有效定位，提高了切割的精确性。

本发明公开了一种高磁感取向硅钢高效脱碳退火工艺，主要工艺流程为：炼钢连铸→热轧→酸洗常化→冷轧→脱碳和初次再结晶退火→渗氮处理(低温Hi‑B)→涂覆氧化镁隔离剂→高温退火→拉伸平整退火→涂覆绝缘涂层→精整，低温HiB不同于高温Hi‑B的工艺流程主要是在脱碳退火后增加了渗氮段。本发明在保证产品实物质量不低于现有水平(国内领先水平)的前提下，使Hi‑B钢退火效率达到世界领先，制造成本大幅降低。

本实用新型公开了一种取向硅钢绝缘层烘干装置，涉及取向硅钢技术领域，为解决现有取向硅钢在表面层进行烘干的时候，能源大多没有循环利用，不够节能的问题。所述烘干装置主体的上端面设置有加热泵回送机构，所述加热泵回送机构通过输送管道与烘干装置主体连接，且输送管道设置有两个，两个所述输送管道的两端分别贯穿并延伸至烘干装置主体和加热泵回送机构的内部，所述烘干装置主体的内部设置有烘干输送腔体，所述烘干输送腔体的上方和下方均设置有过滤网，且过滤网设置有两个，两个所述过滤网的一侧均设置有加热机构。

考虑剪应变对微孔洞损伤演化的影响,对GTN损伤模型的损伤演化机制进行修正,建立了适用于不同应力三轴度水平的损伤模型。结合隐式应力更新算法和显式有限元计算,采用VUMAT子程序实现了修正GTN模型在有限元软件ABAQUS中的数值计算。通过模拟纯剪切和剪切-拉伸两组试样的损伤演化和断裂行为,验证了修正GTN模型在不同应力三轴度承载条件下的有效性。运用修正GTN损伤模型模拟含边部缺口的带钢在轧制过程中裂纹的萌生和扩展行为,模拟结果与实验相一致,表明该模型可有效地用于带钢缺陷在轧制过程中扩展行为的分析和预测。模拟和实验结果表明,带钢边部缺口在轧制过程中,缺口前沿和后沿均会萌生裂纹,且后沿裂纹扩展更为明显。 Considering the effect of shear strain of micro-void on damage evolution, a modified GTN model applicable to various stress triaxiality conditions is proposed by modifying the damage evolution mechanism of the GTN damage model. The modified model is implemented in commercial finite element software ABAQUS by combining the implicit stress update method with an explicit finite element solving algorithm and through the user-defined material subroutine VUMAT. The damage evolution and the failure pro... 

借助高温激光共聚焦显微镜,在线观察了不同Mn含量的无取向硅钢中夹杂物的尺寸、类型、数量变化。结果表明,Mn含量(质量分数)为0.77%、0.32%时,试样中的夹杂物数量分别约为1000万个/mm3、1600万个/mm3。Mn含量较高的钢种,会优先析出球形、椭球形MnS夹杂物,其析出数量较少,尺寸相对较大,可以有效抑制AlN、CuxS夹杂物析出;Mn含量较低的钢种,会在试样再加热后冷却过程中,先析出相当数量MnS夹杂物,并作为AlN夹杂物析出核心,形成MnS+AlN复合夹杂物。这种复合夹杂物数量较多,尺寸也较大。 Based on the high temperature confocal microscope, the chage of size, type, and quantity of inclusions in non-oriented silicon steels with different Mn content were observed by in-situ SEM. Results show that the inclusion quantities are 10 million per mm3 and 16 million per mm3,while the mass fractions of Mn are 0.77% and 0.32%, respectively. In the silicon steel with higher Mn content, the spherical and ellipsoidal MnS inclusion will precipitate first, which can retard the precipitation of AlN ... 

通过热力学计算,分析了实验钢中主要析出物析出的可能性。结果表明:在液相和固液两相区中,AlN和MnS均不能析出;在奥氏体区,AlN和MnS具备热力学析出条件,平衡析出温度分别为1547、1582 K。成品退火板中的析出物主要为AlN和MnS。扫描电镜下观察到的AlN形貌多为长条状,MnS形貌多为棒状或近似球形。这两种析出物占了析出物总量的85%以上,尺寸集中分布在400~800nm;复合析出物主要是(Al2O3+MnS)和(AlN+MnS),形貌不规则,尺寸集中在0.7~1.5μm;透射电镜下观察到了少量100nm以下独立的AlN析出。 According to thermodynamic calculation, the precipitation probability of precipitates was analyzed, AlN and MnS can not precipitate in liquid phase area and solid-liquid two-phase area. In austenite area, both the AlN and MnS have precipitation condition in thermodynamics and precipitates at 1547 K and 1582 K, respectively. The precipitates in annealing plate are mainly AlN and MnS. The shape of AlN is mostly strip, and MnS is stick or near sphericity. They accounted for over 85% of the total qu... 

【作者】 吴玉美； 陆晔； ...

介绍在取向硅钢生产中抑制剂的作用以及多元抑制剂的机理和应用情况,分析多元抑制剂方案中各种元素对高磁感取向硅钢性能的影响,并根据生产实践提出了进一步研究的方向. The role of an inhibitor in the production of grain oriented silicon steel,and the mechanism of multiplex inhibitor in the production are described in the present article.In addition,the influence of various elements in the multiplex inhibitor on the performance of grain oriented silicon steel with high magnetic induction is elucidated.Further work needed in this research is also indicated. 

本发明涉及一种硅钢片视觉识别与无损检测方法，测量硅钢片的厚度并且计算已经叠积完成的硅钢片的总高度，记录最后叠积的一片硅钢片的形状和两定位孔坐标，计算和输出当前硅钢片的形状、两定位孔坐标的位置偏差值和两定位孔坐标的定位孔间距，记录硅钢片两端的接缝宽度和坐标并且输出搭接形状，判断定位孔间距、两定位孔位置、接缝宽度是否符合标准，以及两片硅钢片是否已经搭接上，通过打齐硅钢片使之符合要求、或者停机人工调整。本发明还涉及一种硅钢片视觉识别与无损检测装置。本发明利用激光测距仪、相机实现了无损检测，实现了每片硅钢片高度值、定位孔、接缝宽度的即时自动测量，通过PLC控制系统将控制信息传输至机械臂进行放置精度微调。