硅钢资料

根据本发明的一个实施例的无取向电工钢板，以重量％计，所述钢板包含Si：1.5％以下、C：0.01％以下且0％除外、Mn：0.03至3％、P：0.01至0.2％、S：0.001至0.02％、Al：0.01％以下且0％除外、N：0.005％以下且0％除外、和Cu：0.02至0.3％，Ca和Mg各自单独或以合计含量包含0.0001至0.005重量％，Sb和Sn各自单独或以合计含量包含0.001至0.2重量％，余量包含Fe和不可避免的杂质。

为研究常化温度对热轧无取向硅钢组织与织构的影响,采用光学显微镜、背电子散射衍射技术研究了不同常化温度对其影响。结果表明,实验硅钢板在700～850℃温度下常化时,随常化温度的升高,晶粒尺寸增大,有利组分α织构增强,不利组分γ织构降低。对比研究了800℃和850℃常化热轧板CSL晶界分布图与取向差分布图,在本文研究条件下,Goss织构易在Σ=3,9的CSL晶界及晶粒取向差为30°～55°处形成。 The hot strips normalized at different temperatures were investigated by optical microscope and EBSD to study the effect of normalizing temperature on microstructure and texture of hot-rolled non-oriented silicon steel sheets.The results show that the grain size increases,the intensity of α-fibre texture increases,and the γ-fibre texture decreases when the hot strips are normalized at the 700-850 ℃.And CSL boundaries of Σ=3 and 15,and misorientation angles between 30° and 55° are more likely rel... 

【作者】 陶永根； ...

研究了硼酸对以Al(H2PO4)3为基料的无铬无取向硅钢绝缘涂层各项性能的影响。用盐雾实验、动电位极化及交流阻抗等试验手段研究了不同硼酸含量对硅钢绝缘涂层的耐蚀性和电化学行为的影响,同时采用SEM对涂层的表面形貌进行了研究。结果表明,硼酸含量为9.7%时,涂层的耐盐雾性及电化学性能最好;硼酸含量过少或过多时,涂层的耐蚀性和电化学性能都较差。 Influence of boric acid on the performance of chromium-free non-oriented silicon steel insulating coating based on aluminum dihydrogen phosphate was investigated.Salt spray experiment,potentiodynamic polarization and electrochemical impedance spectroscopy were used to study the influence of boric acid content on the corrosion resistance and electrochemical behavior of the insulation coating of silicon steel.Surface morphologies of the coatings were tested by SEM.Result shows that when the boric ... 

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. 

本发明属于冶金技术领域，涉及一种超短流程稀土取向硅钢及其制备方法，化学组成及其重量百分比为Si：2.0～4.5％，C：≤0.003％，Y：0.001～0.05％，Mn：0.15～0.35％，Al：0.03～0.04％，Cu：0～0.5％，S：0.025～0.04％，N：0.011～0.013％，其余为Fe和不可避免的杂质元素。制备工艺包括：钢水冶炼、薄带连铸、冷轧、再结晶退火。与常规生产方式相比，取消了连铸、粗轧、热连轧、常化和脱碳退火等工序，极大简化了生产流程。通过添加稀土元素钇，促进了抑制剂的析出，还显著细化了薄带连铸硅钢的凝固组织，提高组织均匀性，获得了均匀细小的等轴晶，优化了取向硅钢的性能。

本实用新型提供了一种轴向磁通电机转子的硅钢盘，所述硅钢盘具有沿周向间隔排列的多组转子槽，相邻的两组转子槽之间界定了一硅钢块，每组转子槽的数量为两个，且相对设置于所述硅钢盘轴向的两侧，每组的两所述转子槽之间界定了一连接相邻两所述硅钢块的连接筋，多个所述硅钢块通过连接筋连接，并形成一整体的硅钢盘，相对现有技术独立成型多个硅钢块来说，不仅避免硅钢块丢失，还有效提升硅钢盘装配为转子盘的成型效率，以及保证各硅钢块在转子盘上的位置一致性，从而大幅增强转子盘的机械可靠性。

本实用新型属于抛丸设备技术领域，具体涉及一种防止钢丸随硅钢板移动的料仓结构，包括料仓，料仓的相对两侧上开有对称设置的开口；料仓的侧壁上滑动连接有位于开口上方的刮板，刮板与料仓之间连接有弹性件；料仓内靠近硅钢前进方向的一侧上设有用于清理硅钢表面物质的清理机构。在刮板与料仓之间连接弹性件，在弹性件的作用下，刮板的下端能够始终贴合在硅钢的上表面，刮板能较好的封堵硅钢与开口之间的缝隙，避免钢丸通过开口与硅钢之间的缝隙排出，提高抛丸机的密封性。

【作者】 王桦； 舒子龙； ...

以水氯镁石为原料,采用氨法沉镁-煅烧-添加剂的方法制备硅钢级氧化镁。考察了反应温度、反应pH值、陈化时间对中间体氢氧化镁纯度及转化率的影响;研究了煅烧温度和煅烧时间对氧化镁水化率的影响及添加剂的量对氧化镁悬浮性能的影响。控制实验条件为:反应温度55℃,pH值为9.5,陈化时间2h,煅烧温度1050℃,煅烧时间2h,添加剂量为0.8%,制得氧化镁的纯度为98.99%、水化率为2.92%、悬浮性能为3mm/h,达到硅钢级氧化镁的要求。 Using bischofite as raw material,the preparation of magnesium oxide with silico-steel grade was studied.The effects of reaction temperature,reaction pH value and aging time on the intermediate magnesium hydroxide purity and conversion rate were studied.Calcinations temperature,calcinations time relationship to the hydration rate of MgO and amount of additive to the suspension performance of MgO were investigated.The results indicated that the optimum technological conditions were as follows:reac... 

介绍了电工钢生产线连退机组的表面处理工艺,特别是电解清洗系统的工作机理、设备构造、生产工艺及各种影响因素。 This paper introduces the technology of surface treatment of continuous annealing unit in electrical steel production line,in particular the working mechanism,structure of equipment,production techniques and various influence factors of the electrolytic cleaning system. 

研究了电工钢SXRC的显微结构和疲劳性能,并与DP钢进行了比较。结果表明,退火温度低温化能够有效的抑制电工钢的再结晶。该钢在固溶铌的作用下,能够在保证电机磁性的同时具有一定的强度。与DP钢相比,SXRC钢的抗疲劳性能更好。 The microstructures and fatigue properties of the electrical steel SXRC we re investigated, and the properties were also compared with the steel DP. The results show that the recrystallization of the electrical steel can be suppressed at lower annealing temperature. The steel presents favorable motor magnetic and also a compatible strength with the help of solid-solution Nb. Compared with the steel DP, the fatigue resistance of the steel SXRC is preferable.