硅钢资料

研究了硅钢铸坯再加热过程中夹杂物的析出行为。采用非水溶液电解提取+扫描电镜观察方法,观察了试样的显微组织,统计了夹杂物的尺寸、种类、数量、分布。结果表明,均热温度为1 523 K时,水淬试样的夹杂物尺寸绝大部分小于0.5μm,0.5～5.0μm的夹杂物数量很少,没有发现5.0μm以上的夹杂物。此外,均热时间为10、30、60、90、120、240 min时,对应试样中0.05～0.2μm的夹杂物数量分别为4.04×104、4.73×104、3.70×104、3.33×104、3.10×104、1.56×104个/mm3。绝大部分夹杂物以MnS、AlN、CuxS类为主,并以三类夹杂物中的两类复合或三类复合居多。三类复合夹杂物总量占每组试样夹杂物总量的90%或以上。随均热时间延长,典型的夹杂物组成会发生如下变化:MnS+AlN+CuxS MnS+AlN AlN。与此同时,MnS、AlN、CuxS三者复合比例从45.2%(均热10 min)降为9.7%(均热240 min)。 The methods of electrolysis extraction from nonaqueous solution and scanning electron microscope were adopted to study the precipitation behavior of non-metallic inclusions in Si steel slabs during reheating processes.The morphologies,chemical compositions,quantity and size distribution of non-metallic inclusions in these steel samples were analyzed.Results show that,when the soaking temperature is 1 523 K,almost all of the non-metallic inclusions are smaller than 0.5 μm,few are in the range of ... 

本发明公开了一种硅钢与碳钢混合生产条件下提高钢带表面清洁度的方法，硅钢与碳钢混合冷轧轧制条件下，通过控制冷轧乳化液指标，轧机工作辊表面粗糙度，退火工序氢气吹扫流量，平整及重分卷工序钢带涂油量等措施，能够提高钢带表面清洁度。

本实用新型公开了一种硅钢片生产用冲压模具，包括承重板，所述承重板的上表面分别设置有缓冲机构和安装架，缓冲机构包括固定连接在承重板上表面的缓冲座，缓冲座的上表面开设有升降腔，升降腔的内部竖向滑动连接有冲压母模，冲压母模上边沿的下表面固定连接有缓冲弹簧，缓冲弹簧的底端与升降腔的内底壁固定连接，冲压母模的内底壁设置有气压顶出机构。该硅钢片生产用冲压模具，在合模过程中，冲压母模能够在缓冲弹簧的作用下沿升降腔缓慢下降，对合模的冲击力进行缓冲，从而达到对整体结构进行保护的目的，在冲压母模停止下降后，合模操作完成，随后液压杆带动冲压公模上升，冲压母模在缓冲弹簧的弹力作用下复位，便于下次冲压加工操作的进行。

本实用新型公开了一种用于硅钢片叠装的工装，包括安装底座，所述安装底座上设置有限位装置，所述限位装置包括多个水平限位柱和多个竖直限位柱；各个水平限位柱之间的缝隙的尺寸等于其对应放置的硅钢片的宽度，各个竖直限位柱与安装底座的底边之间的距离等于其对应放置的硅钢片的总长度；所述各个竖直限位柱设置在各个水平限位柱之间的缝隙所正对的位置；采用多个水平限位柱和多个竖直限位柱进行水平和竖直方向上均对硅钢片进行定位；使用此工装叠装出来的成品，长短一致，侧面相当整齐；本实用新型，结构简单，操作方便。

为了确定普通冷轧取向硅钢最优的中间完全脱碳退火工艺,在其一次冷轧后进行5种不同工艺的脱碳退火处理,借助扫描电镜及电子背散射衍射技术研究了不同工艺脱碳退火后的组织、织构和脱碳效果。结果表明:经5种工艺脱碳退火处理后,初次再结晶的平均晶粒尺寸均约为19μm,且不随退火温度和时间的变化而变化;经840℃×10min工艺退火后的晶粒最均匀,高斯织构位向更准确,高斯织构面积分数最多,为3.1%,可将碳脱至0.003 5%。 In order to determine the optimal intermediate complete decarburizing annealing processes for common grain-oriented(CGO)silicon steel,five kinds of intermediate decarburizing annealing processes were conducted,the microstructure,texture and decarbonization after different decarburizing annealing processes were studied by scanning electron microscopy and electro back-scattered diffraction(EBSD)technology.The results show that the average grains sizes of primary recrystallization were about 19μm a... 

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... 

本实用新型涉及分条机技术领域，且公开了一种硅钢加工用分条机，包括支撑台，支撑台的底部四角均安装有支撑腿,支撑台的两侧均垂直安装有U型架，U型架的顶部通过横梁连接固定，横梁的两端均安装有垂直向下设置的下压调节油缸，下压调节油缸的底部均固定连接固定座，固定座相互远离的一侧均安装有第二条形座；第二条形座的两端垂直贯穿设有导向轴，导向轴两端位于第二条形座外，在导向轴的两端均套设有支撑弹簧；导向轴的底部连接在第一条形座上，并且导向轴的顶部贯穿设有第三条形座，导向轴设有将第三条形座固定的螺母。本实用新型在使用时，上下两组剪切轮交错接触后，经过剪切轮下方的硅钢板能够得到有效地剪切，剪切效率高。

本实用新型公开了一种铁芯硅钢片卷料的上料装置，包括升降机构、固定座、转动执行机构和转动平台，所述固定座固定设置在地面上，所述升降机构相邻设置在固定座的一侧，所述固定座对立于升降机构的一侧设置有转动平台，所述转动平台的一端铰接设置在固定座上，且所述转动平台的另一端为自由端，所述转动平台在竖向面内朝向或远离于升降机构偏转，所述固定座上设置有转动执行机构，所述转动执行机构驱动转动平台转动；所述转动平台上的物料通过转动可位移至固定座和升降机构上，能够安全的、快速的将卷料转移至升降机构上，从而便于上料。

采用拉伸试验和显微组织观测的方法确定了GTN损伤模型中的9个损伤参数,运用GTN损伤模型对冷轧硅钢薄板边部缺陷的扩展及边裂的产生进行了有限元模拟,并与预置缺口的钢板轧制试验进行对比。结果表明:轧制过程中边部缺陷是造成钢板边部裂纹萌生和扩展的一个重要原因,GTN损伤模型可用来预测含边部缺陷硅钢薄板在冷轧过程中边裂的产生;预测结果与试验结果基本一致。 The crack initiation and propagation of silicon steel strip with edge defect during cold rolling process was studied by using GTN damage model in this paper.Nine damage parameters in GTN model were identified by tensile testing and microstructure observing,and then the FE simulation of edge defect evolution of silicon steel strip during rolling process was conducted on the base of GTN damage model,and then the results were compared with rolling experimental results.The results show that the edge... 

针对薄板坯连铸连轧流程结合\"获得抑制剂法\"所制备的低温高磁感取向硅钢,通过热力学计算研究了AlN与MnS在连铸与均热过程中的析出规律与行为。计算结果表明,连铸过程中AlN在凝固后的高温α相中便可能析出,而MnS仅可能在凝固后的α+γ两相区内析出。钢中AlN与MnS在均热过程中均处于部分固溶与部分析出的状态。后续高温渗氮处理后初次晶粒的异常长大并不明显,表明渗氮处理前钢中固有抑制剂的数量相对充足。 The precipitation behavior of MnS and AlN in low-temperature high magnetic induction grain-oriented silicon steel produced by thin slab casting and rolling process with\"acquired inhibitor method\"during continuous casting and soaking was studied by thermodynamic calculation.The calculated results show that AlN is likely to precipitate in ferrite after solidification.However,MnS can precipitate only in the two phase region of ferrite and austenite.Meanwhile,MnS and AlN in the steel can not be comp... 

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... 

研究了含铜低碳低硅无取向电工钢中的析出相及其析出机理.由能谱(EDS)及选区电子衍射(SAED)分析可知,铁素体基体上存在的大量弥散分布的等轴状析出相为类B2结构的铜.这些铜析出相的析出机理可以是一般析出、位错析出、台阶机理相间析出和弓出机理相间析出:一般析出在550、650和750℃三个等温温度均可发生;位错析出只发生在较低的等温温度(550℃),此时析出相呈特殊的平行短列状;台阶机理相间析出也可在上述三个等温温度下发生,但650℃等温时最有利于台阶机理相间析出,此时析出相平直列状分布;弓出机理相间析出只发生在较高的等温温度(750℃),析出相弯曲列状分布. Precipitates in low-carbon low-silicon non-oriented electrical steel containing Cu were studied and the precipitation mechanism was analyzed by means of energy dispersive spectrometry(EDS) and selected area electron diffraction(SAED).It is found that the equiaxed precipitates of Cu with B2-like structure distribute dispersively in the non-oriented electrical steel.The precipitation mechanism involves general precipitation,dislocation precipitation,interphase precipitations formed by the ledge me...