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借助电子背散射(EBSD)技术对AlN为主抑制剂的Hi-B取向硅钢常化工艺的中间冷却制度进行了研究。结果表明:常化后试样均发生了完全再结晶,在60℃/s冷速下组织最均匀;在合适的冷却制度下常化板表层保留了强的Goss织构,它深入到1/4厚度处,并且形成对Goss织构有利的强{554}<225>织构。 The intermediate cooling system of Hi-B oriented silicon steel with AlN main inhibitor in normalizing process was studied by means of electron back diffraction(EBSD) technique. The results show that:the specimens after normalizing are fully recrystallization, and the microstructure is most uniform under the intermediate cooling rate of 60℃/s; under suitable cooling system, normalized plate surface retains strong Goss texture, it penetrates into the 1/4 thickness of the plate and forming strong {... 
2014-11-28 61 5.8

【摘要】 <正>3月15日,随着第5754卷HiB钢下线,武钢...
2011-02-28 64 5.8

对取向硅钢熔融态钢液进行处理,对比研究了不同脉冲参数的作用效果。结果表明,电脉冲对钢锭晶粒组织具有明显的细化作用,凝固组织等轴晶比例大幅上升。在脉冲电容、频率、处理时间和电压中,影响等轴晶比例的最显著性因素为脉冲频率;最优正交实验参数为:电容1 200μF,脉冲频率1 Hz,处理时间5 s,脉冲电压800 V;随着输入能量的增大,等轴晶率先增大后减小,脉冲输入能量为某值时,等轴晶率最大,通过经典形核理论和热力学对这一现象进行了解释。 Research on the influence of the electric pulse on the solidification structure of oriented silicon steel was preformed.Electric pulses in different parameters were applied to molten steel and results were compared.The result shows that solidification structure of oriented silicon steel can be improved by the electric pulse,and the equiaxed crystal ratio increases obviously.Among the four parameter factors of electric capacity,frequency,applied time and voltage,the most effective factor is frequ... 
2011-01-28 81 5.8

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。
2021-09-26 50 6.8

采用火花源原子发射光谱分析测定电工钢中超低C,研究试样制备方法、Ar纯度和压力等条件对分析结果的影响,并对工作曲线进行了优化,实现了一次分析同时测定电工钢的多种元素,满足炉前和精炼在线分析的要求。 Ultra-low carbon in electrical steel is determined with spark-source atom emission spectrum.It is researched the influence of sample making method,purity of Ar,and pressure on analysis result.The work curve is optimized.The determination of many elements in electrical steel only in one analysis is realized.It meets demands of on-line analysis for blast furnace and refining. 
2011-09-28 53 5.8

本实用新型涉及硅钢片铁芯性能测试技术领域,公开了CD型硅钢片铁芯性能测试工装,包括:机台,上部后侧固定有竖直向上的后侧板;托板,水平设置在所述机台上方;夹持机构,设置在所述机台上,所述夹持机构包括:第二气缸,其驱动杆端部固定套接有夹持块,夹持块外端部固定有橡胶缓冲块;橡胶垫,固定在所述托板右侧上部。本实用新型通过设置第一气缸驱动连接于托板,可以先根据硅钢片的厚度,通过操作气缸控制器控制第一气缸工作带动托板在机台上进行升降高度,从而调整托板与夹持块的高度差,提高装置的实用性和广泛性,较为实用,适合广泛推广和使用。
2021-05-14 66 6.8

本实用新型公开了一种防护性能好的硅钢板带加工用卷曲设备,包括底座,所述底座的上表面固定连接有L型安装架,所述L型安装架的一侧固定设有第一电机,所述第一电机的输出端固定连接有第一转轴,所述第一转轴的外表面沿周向等间距设有多组可调卷绕机构,所述第一转轴的一侧设有驱动调节机构。本实用新型通过设置可调卷绕机构及驱动调节机构,硅钢板带卷绕完成后,第二电机带动主动齿轮转动,主动齿轮带动从动齿轮及第二转轴转动,从而两个移动块相互远离带动连杆转动,两个连杆转动带动弧形板向靠近第二转轴的方向移动,从而使弧形板脱离钢带卷的内圈,便于将钢带卷取下,防止工人用力操作过程中划伤。
2021-08-11 81 6.8

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 ... 
2013-05-28 66 5.8

本实用新型公开了一种包容产品转子硅钢片叠加公差的模具机构,包括上下设置的定模固定板和动模固定板,定模固定板下面设置有定模仁,定模仁内穿设有定模型芯,定模型芯的上端设置有定模型芯限位块,定模型芯限位块套设在导向销下端,导向销上套设有定模型芯浮动弹簧B,定模型芯底部设置有台阶面,定模型芯上套设有定模型芯浮动弹簧A,定模仁外圈设置有定模浮动型芯,定模浮动型芯与动模固定板之间设置有动模浮动板,动模固定板中心设置有动模仁,动模仁上套设有产品转子,产品转子上端与定模型芯下端接触。本实用新型提供的一种包容产品转子硅钢片叠加公差的模具机构,能够省去高度调整工序,降低成本和品质管控风险。
2021-07-22 51 6.8

研究了薄板坯连铸连轧流程(TSCR)条件下热轧工艺对3.2%Si-0.7%Al无取向硅钢组织、织构演变及磁性能的影响规律。结果表明,提高均热温度和热轧温度有助于获得粗大的变形组织和强烈的{001}〈110〉织构,进而对后续的组织、织构演变进程及磁性能产生有利的遗传影响。与低温均热和低温热轧相比,高温均热和高温热轧得到的最终成品板的再结晶晶粒较粗大,λ纤维再结晶织构较强而γ纤维再结晶织构较弱,磁感应强度较高。 It was investigated that the effects of thin slab cast rolling(TSCR) hot rolling processes on microstructural,textural evolution and magnetic properties of 3.2%Si-0.7%Al non-oriented silicon steel.The results show that much larger hot rolling deformed microstructure and much stronger {001}〈110〉 texture could be obtained by increasing the soaking and hot rolling temperatures,which had good heritable effects on subsequent microstructural,textural evolution and magnetic properties.The final sheets ... 
2023-05-09 105 5.8

结合工业化生产的50A1300牌号无取向硅钢,分析了化学成分、RH精炼脱氧方式、板坯装炉温度以及热轧平整工艺等对磁性能的影响,探讨成品钢磁性能的改善。结果表明,采取改善后,50A1300牌号无取向硅钢的磁性能得到明显改善。2012年,该钢种平均铁损、磁感应强度分别达到5.26 W/kg、1.762 T,能够较好地满足用户市场需求及同行对标需要。 Based on the industrial manufacture of 50A1300 grade non-oriented silicon steel sheets,effects of chemical composition,deoxidization method in RH vacuum refining,charging temperature of steel slabs,hot rolling and flattening progress on magnetic properties are analyzed.The optimization methods of magnetic properties of steels are discussed. Results show that the magnetic properties are obviously improved by the adopted measures above. In 2012,the average core loss and the magnetic induction of 5... 
2014-02-28 93 5.8

本实用新型涉及一种硅钢片抓取平台,其包括抓取框架,包括抓取框架,所述抓取框架上设有多个支架,对应于非切割区域的支架上设有大真空吸盘,对应于切割区域的支架上设有小真空吸盘。本实用新型结构简单,通过多个真空吸盘来进行硅钢片的抓取也不会损坏加工后的硅钢片,还提高了硅钢片的搬运效率。此外,通过气动系统实现对吸盘的自动吸气,提高了对吸盘操作的便利性。
2021-04-01 51 6.8

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