硅钢资料

本发明涉及一种高压电机用无取向硅钢50SBW600的制备方法，包括，S1，将装有精炼钢水的钢包运至回转台，回转台转到浇铸位置后，将钢水注入中间包；S2，中间包通过水口将所述钢水分配至若干个结晶器中，所述结晶器中设置有浸入式水口，S3,钢水在结晶器内生成晶核，结晶器将带有晶核的钢水下放至通道；S4，通道上设有第二电磁搅拌器，第二电磁搅拌器对通道内钢水进行电磁搅拌,所述钢水在通道中逐步转换为钢坯；S5,拉矫辊将的所述钢坯拉出通道并对钢坯进行形态矫正；S6,切断装置所述钢坯进行切割。本发明通过在无取向硅钢50SBW600制备过程中设置双电磁搅拌装置，充分保证连铸过程中钢坯中的等轴晶数量，保障了产品表面缺陷质量。

本实用新型涉及硅钢片切割设备领域，具体涉及一种变压器铁芯硅钢板的剪切装置，包括操作台，操作台的顶部安装有传送辊，传送辊的侧部安装有限位装置，限位装置的侧部依次安装有送料装置和切割装置，切割装置包括固定座，固定座的顶部固定连接有底板，底板的两侧固定连接有导向柱，导向柱的顶部安装有顶板，导向柱上且位于顶板的下方滑动设置有刀架，刀架上安装有切割刀，顶板上安装有液压缸，液压缸的自由端的端部与刀架的顶部固定连接；解决现有的硅钢片切割效率低的问题。

本发明涉及一种无取向电工钢片绝缘涂液，它的主要有效成分包括有机树脂、水溶性磷酸二氢盐、硅溶胶、涂料助剂、和特定水溶性金属盐。上述各组分的质量组成比例为：有机树脂100份，水溶性磷酸二氢盐100‑250份，硅溶胶0‑100份、涂料助剂0‑20份，特定水溶性金属盐10‑50份，其余为水，涂液的固含量为15～40％。其中特定水溶性金属盐是指水溶性磷酸二氢盐以外的二价或多价金属盐，这种盐可以在磷酸二氢盐溶液中稳定存在，但是在电工钢涂层烧结温区会氧化或分解。本发明的绝缘涂液固化速度快且固化彻底，涂层具有优异的耐盐雾性能。

本实用新型公开了一种新型嵌线结构的硅钢片组件，包括硅钢片组和骨架，硅钢片组由若干相同形状的硅钢片堆叠而成，硅钢片为倒U型的薄片体，骨架由一限位框架和两固定杆组成，限位框架由一矩形框架和位于矩形框架四角的限位凸块组成，硅钢片组卡设在矩形框架上，限位凸块对硅钢片组进行限位，两固定杆平行设置在硅钢片组的上方，且固定杆的两末端分别与限位凸块相固定。本实用新型具有装配简单、不易变形的优点。

本实用新型涉及变压器铁芯制备的技术领域，特别是涉及一种变压器铁芯制备用硅钢片涂漆设备，其满足不同身高的操作人员对装置的操作要求，提高装置的实用性；包括工作台、喷涂机构和输送机构，喷涂机构和输送机构均安装在工作台顶端，输送机构上设置有烘干机构；还包括固定板、支腿、连接板和升降机构，四组支腿呈四角分布安装在固定板底端，连接板横向安装在四组支腿之间，升降机构安装在固定板上；升降机构包括电机、电机座、支杆、第一连接杆、滑套、限位板、丝杆螺母、丝杠和花键轴，电机安装在电机座上，电机座安装在连接板顶端，四组支杆呈四角分布安装在工作台底端，四组第一连接杆呈四角分布安装在固定板顶端。

采用经验设计法初步确定了取向硅钢铸坯感应加热线圈设计参数,应用Ansoft仿真软件分别对36组不同线圈高度、线圈内径的感应加热炉在不同频率下的三维整体磁场和铸坯的温度场进行了数值仿真。通过对比仿真结果,确定电磁场分布最佳的一组感应加热炉设计参数为线圈高度h=1.50 m、线圈内径D1=0.575 m、电流频率f=110 Hz。在该参数下应用Ansoft仿真软件对取向硅钢铸坯感应加热炉的温度场进行了仿真,结果发现温度场分布均匀,可满足取向硅钢铸坯加热要求。 The induction heating coil design parameters for the oriented silicon steel casting blank were determined preliminary by experience design method,and 36 groups three-dimensional electromagnetic field with different height and inside diameter of coil under different frequencies of the induction heating furnace and the temperature field of the casting blank were investigated by numerical simulation using Ansoft simulation software. By comparing the simulation results of electromagnetic field distr... 

采用热模拟方法及EBSD技术,研究Fe-3 wt%Si电工钢在不同温度下组织的动、静态再结晶及晶粒取向特征,特别是少量奥氏体对铁素体动、静态再结晶组织及取向的影响。结果表明,不同温度形变的组织主要分三类:形变长条铁素体、珠光体和等轴细小铁素体。长条形变铁素体内发生动态回复或连续式的动态再结晶,奥氏体周围的铁素体动态再结晶加速,部分以传统的不连续方式动态再结晶。铁素体、奥氏体都可发生静态再结晶。奥氏体的静态再结晶在1050℃以上明显,铁素体的静态再结晶随温度的升高逐渐进行,最显著的再结晶发生在1050℃。不同温度形变的样品,其形变晶粒取向主要以<111>和<100>为主,小等轴铁素体晶粒除与大形变铁素体取向相近外,出现了<110>取向及其它取向。 Static and dynamic recrystallization and grain orientations in a hot-compressed Fe-3 wt% Si electrical steels were studied at different temperatures using Gleeble simulator and EBSD technique,particularly focusing on the effect of small amount of austenite on ferritic microstructure and orientations.The results show that microstructure of the compressed steel,depending on deformation temperature,consisted of elongated and deformed ferrite,pearlite and fine equal-axed ferrite.The elongated ferrit... 

用还原分离-原子荧光光谱法分析了硅钢中的痕量汞.分析方法的不确定度主要来自测量重复性,样品溶液浓度,工作曲线变动性,标准溶液,移取、配制标准溶液,仪器变动性等.文章分别对上述构成合成不确定度大小的分量进行了计算讨论. Trace mercury in silicon steel and galvanized sheet was analyzed by adopting reduced separation-atomic fluorescence spectrometry.The uncertainty of the analysis method mainly comes from measurement repeatability,sample concentration,working curve volatility,standard solution,pipetting and preparation of standard solution,and instrument variability,etc.The essay conducted all calculations and discussions on the above components that determine uncertainty. 

研究了应用电感耦合等离子体质谱(ICP-MS)同时测定硅钢中痕量铝、钼、钒、钛、铌元素的分析方法。通过条件试验对测量参数进行了优化,确定RF功率1 400 W,泵速30rpm,采样深度140,雾化压力0.90。样品采用硝酸分解,以Be、Y混合内标校正了测量过程中高基体引起的信号漂移。根据测量时存在的质谱干扰情况,选择同位素27 Al、98 Mo、51 V、47 Ti和93 Nb作为测定同位素,同时通过调节仪器参数使得双电荷离子和氧化物离子的产率最低,以减少其带来的干扰。采用基体匹配法配制校准溶液,以标准加入法建立工作曲线,并扣除试剂空白。该方法各元素的测定下限均可达到1μg/g。用于硅钢标准样品的测定,所得结果与参考值完全吻合,各元素的RSD小于5.2%。 A method for the determination of trace aluminum,molybdenum,vanadium,titanium and niobium in silicon steel by inductively coupled plasma mass spectrometry(ICP-MS) was described.A series of single parameter condition experiment was conducted.The optimized operation parameters with RF power 1 400 W,turbo pump rate 30 rpm,sampling depth 140 and nebulizer pressure 0.90 were obtained.The samples were dissolved by HNO3,and the Be and Y mixing internal standard were used to eliminate the signal drift c... 

采用固溶强化、细晶强化和位错强化方法,模拟TSCR流程试开发高强度无取向电工钢,试开发钢的主要合金成分为3%Si、0.83%Al和2.99%Mn。分析热轧、常化、退火后的钢板组织,并针对不同的成品板组织,详尽地分析了相应的力学性能和磁性能。试验电工钢平均晶粒直径为12.37μm时,R p0.2为530 MPa,R m为618 MPa;当退火制度为700℃×4 min,成品组织完全为未再结晶的回复组织时,R p0.2为853.5 MPa,R m为895.5 MPa。该成分的电工钢P15/50或P10/400最小时,对应的平均晶粒直径都大于59.67μm;P10/800或P10/1000最小时,对应的平均晶粒直径都处于12.37~59.67μm尺寸区间。 TSCR was simulated to develop high-strength non-oriented electrical steel with 3% of Si,0.83% of Al and 2.99% of Mn by solution strengthening,grain refinement strengthening and dislocation strengthening.The microstructures of hot rolled plates,normalized plates and annealed plates were analyzed.Furthermore,the mechanical properties and magnetic properties of products with different microstructures were detailedly studied.As the average grain diameter of the steel was 12.37 μm,the yield strength ... 

采用轧制法制备出具有低铁损高磁感0.23mm厚6.4%(质量分数)Si高硅钢。沿轧制方向的最终磁性能为B8=1.474 T,B50=1.714 T;P10/50=0.30W/kg,P15/50=0.88W/kg。利用X射线衍射及背散射电子衍射(EBSD)技术分析了高硅钢在轧制及退火过程中的织构演变过程。结果表明,通过采用大压下率热轧,确保热轧板次表层中产生更多的高斯织构,随后进行遗传;温轧板中粗大的晶粒有利于冷轧剪切带的形成;冷轧板经脱碳退火后生成强{210}〈001〉织构及次表层较强的高斯织构是在轧向上获得高磁感的原因,归因于其在{111}〈112〉冷轧形变晶粒内的剪切带优先形核并长大;最终退火后虽出现了随机取向,但以{310}〈001〉织构为代表的η织构得以保留并且增强,进一步提高了磁感。随着退火温度的升高及保温时间的延长,高硅钢薄板晶粒尺寸不断增大,铁损明显降低。 6.4wt%Si high silicon steel sheets(0.23mm thick)with low iron loss and high magnetic induction were successfully produced by rolling process.The final magnetic properties along the rolling direction(RD) were:B8=1.474T,B50=1.714T;P10/50=0.30 W/kg,P15/50=0.88 W/kg.The texture evolution during rolling and annealing was investigated by means of X-ray diffraction and electron backscatter diffraction(EBSD).It was found that more Goss textures formed in the subsurface of hot rolled plates by using larg... 

Fe-6.5%Si高硅钢是一种具有高磁导率、低矫顽力和低铁损等优异软磁性能的合金,但是其室温脆性和低的热加工性能严重影响了其在工业领域的应用。综述了Fe-6.5%Si高硅钢的性能,评述了合金的改性法、特殊轧制法、快速凝固法、沉积扩散法、粉末冶金法等制备工艺。 It is well known that 6.5%Si high silicon steel is one kind of soft magnetic materials with higher re-lative permeability,lower coercive force and iron loss than those of conventional industrial silicon steel.However,their room-temperature embrittleness and poor workability limit their practical applications in the industry.The pre-paration technique such as modification treatment on alloy,special rolling,rapid solidification,CVD and powder me-tallurgy is reviewed.