硅钢资料

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... 

本实用新型涉及变压器铁芯生产技术领域，尤其涉及一种硅钢片卷自动上料装置。包括所述底座上方设置有支撑座，所述支撑座上方转轴连接有翻转座，所述翻转座前后两侧设置有支撑柱，所述托架底部前后两侧设置有支撑套，所述支撑套对应滑动连接在支撑柱上，所述支撑套左侧上方设置有凸台，所述凸台右侧在支撑套上方设置有卡槽，所述卡槽右侧开口，所述硅钢带卷设置在卡槽内部，将钢卷平躺放置在托架的卡槽内部，通过翻转液压缸可将托架和钢卷进行树立，钢卷一侧靠在托架上，钢卷树立过程比较平稳，通过三组液压缸可实现钢卷自动上料的过程，在钢卷树立过程中，可通过绳索将钢卷固定在托架上。

本发明公开了一种风电磁钢粘接包角专用装置，其包括：工作台；磁钢限位台，其设置于所述工作台上，所述磁钢限位台上设置有多个挡块，用以在风电磁钢放置于磁钢限位台上时，围挡风电磁钢有包角粘附的左右侧面及无包角粘附的后侧面；三个抵压机构，三个抵压机构设置于工作台上，且分别位于磁钢限位台左右两侧及正前方，所述抵压机构包括伸缩元件和连接于伸缩元件上的压块，用以在粘附有包角的风电磁钢放置于磁钢限位台上时，伸缩元件驱动压块抵压住包角，使包角粘实。本发明能够将风电磁钢和包角快速定位粘接，节约人力，保证产品粘接的一致性。

本发明提供一种退火隔离剂及退火隔离剂悬浮液的制备方法与无底层低温高磁感取向硅钢的制备方法。所述退火隔离剂按照重量份包括如下组分：CaO：1‑5份，Al2O3：50‑58份，Ca(AlO2)2：1‑5份，MgO：30～38份，添加剂：1‑2份。本发明的退火隔离剂不仅能够起到高温退火时钢板之间的隔离作用，而且能够在升温过程中保护抑制剂对二次再结晶晶粒的抑制能力，确保二次再结晶晶粒稳定长大，成品磁性能优异，进而稳定制备出表面光洁，边部完全无底层的低温取向硅钢成品。

利用背散射衍射技术(EBSD)和XRD,研究了两段式脱碳退火工艺对取向硅钢纵截面初次再结晶的微区取向、取向差分布、特殊晶界(CSL)及高温退火试样高斯织构。分析了初次再结晶晶界特征对取向硅钢高温退火后宏观织构的影响。结果表明:初次再结晶的纵截面基体中Σ3和Σ5晶界使得高斯晶粒有着较高的迁移率,在高温退火时借助20o～45°的大角度晶界的界面能吞并周围{111}<112>晶粒迅速长大,形成密度水平较高的高斯织构。 Micro area orientation of primary recrystallization,the misorientation distribution,special boundaries under different two-stage decarburization annealing and the Goss texture under high temperature annealing the longitudinal section of grain-oriented silicon steel were detected by electron back scattering diffraction(EBSD) and X-ray diffraction(XRD).The effect of primary recrystallization grain boundary on macrotexture after high temperature annealing was analyzed.The results show that the Σ3 a... 

国元证券发布深度研究报告《变压器行业深度研究报告-海外变压器供需错配-国产厂商...

对无取向电工钢中的夹杂进行了系统的分析。利用小样电解,采取不同电解液,不同的分离方法对无取向电工钢中稳定和不稳定夹杂物进行了提取、分离和收集。利用扫描电镜(SEM)、X-射线衍射、ICP等对电解分离收集的夹杂物进行了定性和定量分析。 The inclusion analysis of the non-oriented electrical steel has been investigated.By using small sample electrolytic analysis,with different electrolytes and different separation ways,the stable inclusions and unstable inclusions was drew,separated,and collected.With utilizing the methods of SEM,X-ray and ICP,the qualitative and quantitative analysis of inclusions in the non-oriented electrical steel was obtained. 

冷轧无取向硅钢是高技术含量、高附加值产品,工艺复杂,生产周期长,过程控制难度大,被誉为钢铁产品中的\"工艺品\"。热轧生产工艺又是无取向硅钢生产的重中之重,直接决定了硅钢的铁损和电磁性等多项指标。 Cold rolled non-oriented silicon steel is high technology content、high addedvalue product. Its process is complex, Its production cycle is of Length, and Its Process control is difficult. Which is known as the iron and steel products \" Arts and crafts\". Hot rolling production process is the top priority of non-oriented silicon steel, Which Directly determines iron loss of the silicon steel and electromagnetic property, etc many index. 

一种高硅钢材料的制备方法，步骤包括靶材、金属基材表面清理；排除密闭容器内空气、通保护气；双辉光等离子预轰击靶材和基材，净化表面；等离子溅射、加热、保温；缓慢冷却取出。预轰击靶材、基材，去除表面吸附层、活化基材，交替升高基材电压、靶材电压，使靶材中的合金元素被离子轰击而溅射出来、扩散进入基材内部形成表面高硅钢层。“双辉光等离子表面冶金技术”制备高硅钢的工艺简单易行、可控性高、成本低、无污染且基体和表面的结合力高，适合大规模产业化生产；更重要的是该方法采用交替离子轰击、扩渗速度快，结合强度高，得到硅含量均匀分布或呈梯度分布的高硅钢材料，为制备更高品质的无噪音、低铁损的高硅钢产业化奠定基础。

6.5%Si电工钢是一种优异的软磁材料,织构对其磁性能影响很大。利用温轧工艺对6.5%Si电工钢热轧板进行不同压下率轧制,研究了温轧板织构随压下率的变化规律。实验结果显示,随着压下率的增大,{100}〈110〉、{110}〈100〉和γ纤维织构在薄板表层中的强度先增强后减弱,当压下率达到75%时,沿板厚方向形成3个组织区域:表层细晶粒区({110}〈100〉取向为主)、过渡层({111}〈110〉和{111}〈112〉变形晶粒区)和中心层(以拉长的γ纤维织构和{100}〈110〉取向晶粒为主),这种组织和织构不均性对后期织构的发展有重大影响。 6.5wt% Si electric steel has excellent soft magnetic properties,on which texture play important role.In this experiment,warm rolling technique was employed to investigate the effect of rolling reduction on texture.It was found that the density of {100}〈110〉,{110}〈100〉 and γ-fiber textures first increased and then decreased with increasing of the rolling reduction.At 75% reduction,the microstructure along the thickness of the sheet formed three zones,containing surface layer with {110}〈100〉 orien... 

通过观察冲剪边缘组织,测量冲剪边缘的显微硬度、残余应力的分布情况和磁性能的变化研究了冲剪加工对无取向硅钢50WW800边缘组织和磁性能的影响。对冲剪后硅钢片进行750℃退火,分析退火对组织和磁性能的影响。结果表明,硅钢片剪切边缘会存在0.4 mm的形变硬化层,边缘应力大,铁损增加。退火后变形减小,形变硬化层变小,残余应力大幅度减少,铁损减少。 The influence of punching process on cutting edge microstructure and magnetic properties of non-oriented silicon steel 50WW800was studied by observing microstructure and measuring microhardness near cutting edge.The residual stress distribution in the silicon steel tooth and magnetic properties were measured.Effect of annealing at 750 ℃ on microstructure and magnetic properties of the silicon steel was analyzed.The results show that a cut-edge hardening layer up to 0.4 mm is observed,residual st... 

本发明一种基于冷轧全流程数据的硅钢铁损预测方法，其对冷轧硅钢进行全流程物料跟踪，以基于聚类算法分类，并选取代表性工艺作为神经网络的训练集来对冷轧硅钢铁损进行预测，以探明冷轧各机组工艺对冷轧硅钢铁损的影响。