钢厂
CN202023246581.7硅钢冷轧用厚壁套筒
本实用新型涉及硅钢生产设备技术领域,具体公开了硅钢冷轧用厚壁套筒,包括外筒和内筒,所述外筒与内筒之间固定有若干连接板,所述外筒上开设有插缝槽,所述外筒的内壁上设有靠近插缝槽设置的限位件,所述限位件包括锁止板和弹性件,弹性件一端固定在外筒的内壁上,另一端固定在锁止板的顶部,所述锁止板上设有朝向插缝槽的斜面。本专利中通过外筒与内筒设置,既提高了整个套筒的厚度,使其能够承受硅钢带卷绕时的压力,同时也减少因提高套筒厚度使得套筒的重量增加的问题,这样设置整个套筒的质量较轻。
配分温度对碳-锰-硅钢显微组织与力学性能的影响
对碳-锰-硅钢进行不同配分温度的Q&P(Quenching and Partitioning)处理,测试了热处理后不同钢的力学性能和残余奥氏体含量,并用扫描电子显微镜和透射电镜观察其显微组织,分析了配分温度对显微组织和力学性能的影响。结果表明:试验钢显微组织基本由低碳板条状马氏体、块状铁素体和条状残余奥氏体组成;随配分温度的升高,试验钢的抗拉强度呈下降趋势,伸长率与奥氏体含量的变化趋势相同,但变化规律不确定;提高锰含量能稳定残余奥氏体,从而提高试验钢的伸长率,并使伸长率对配分温度不敏感。 The C-Mn-Si steel was quenched and partitioned at different partitioning temperatures,the mechanical properties and residual austenite contents were investigated,the microstructure was observed by SEM and TEM,and the effect of partitioning temperature on microstructure and mechanical properties was analyzed.The results show that the microstructure of the tested steel consisted of lath martensite with low carbon,nubby ferrite and banded residual austenite.The tensile strength of the tested steel ...
EB5325涂层液在冷轧无取向电工钢中的应用
介绍了EB5325涂层液的主要性能和中冶新材生产冷轧无取向电工钢所用的涂层设备,通过多次试验摸索出使用EB5325涂层液的工艺,对涂层出现的缺陷进行分析研究,并提出解决方法,使中冶新材生产的冷轧无取向电工钢的涂层质量满足了用户的要求。 This article introduces the main properties of EB5325 and the coating equipments for cold-rolled non-oriented electrical steel. A process using EB5325 coating liquid is made through many time experiments and exploration. The appeared defects in the coating are studied and analyzed,and the solutions are proposed. The coating quality meets clients’ requirements of cold rolled non-oriented electrical steel.
CN202110668986.X一种硅钢片碎片自动检测吸附的装置
本发明涉及一种硅钢片碎片自动检测吸附的方法,控制系统控制初检装置工作,通过视觉方式进行硅钢片碎片检测,如果成品硅钢片上面没有粘附硅钢片碎片,成品硅钢片检测程序结束;如果成品硅钢片上面粘附有硅钢片碎片,控制系统控制吸附捕捉装置对硅钢片碎片进行吸附捕捉。本发明还涉及一种硅钢片碎片自动检测吸附的装置,成品硅钢片传送机构的上方依次设置有初检相机、吸附捕捉装置和废料盒,初检相机和吸附捕捉装置分别与控制系统连接。本发明通过初检相机实现硅钢片碎片的精准识别,通过吸附装置将粘附在成品硅钢片上的硅钢片碎片吸附捕捉,通过废料盒使得硅钢片碎片的集中存储和清理更加便捷,节省了人力、并且比人工操作更加精准。
取向硅钢的晶体衍射花样特征研究
广泛应用于电子电力行业的取向硅钢材料的磁性能与其晶体取向密切关联,对取向硅钢晶体衍射花样的研究非常重要.采用理论计算的方式研究了取向硅钢的晶体衍射花样特征,并绘制了取向硅钢的高斯织构理论极图、理论单晶透射电子衍射斑点花样和理论电子背散射衍射(Electron backscatter diffraction, EBSD)菊池花样.取向硅钢理论单晶衍射花样不仅可以为以后标定样品实测晶体衍射花样提供一种简单快捷的方法,也可以为样品检测提供一种标准.这种研究方法不仅限于取向硅钢,也被期待应用于其他材料晶体衍射花样研究. The magnetic properties of oriented silicon steels which are widely used in electronic and power industries are closely related to their crystal orientations, so it is very important to study the crystal diffraction patterns of oriented silicon steels. The characteristics of crystal diffraction patterns of oriented silicon steels are studied by means of theoretical calculation. The theoretical pole figures, theoretical single crystal transmitted electron diffraction patterns and theoretical elec...
基于不同B-H曲线的取向硅钢叠片中损耗和磁通的分析与验证
基于TEAM(Testing Electromagnetic Analysis Methods)Problem 21基准模型和不同类型的磁化曲线Bm-Hm及Bm-Hb数据,分别在50 Hz至200 Hz的频率范围内计算了基准模型的硅钢叠片内的损耗及磁通,并考虑集肤效应和材料的电-磁各向异性的影响。数值计算结果与实验测量结果具有很好的一致性。提出的有限元建模方法和基于模拟结果的分析、结论有助于提高大型电力变压器的电磁设计的有效性。 Based on TEAM(Testing Electromagnetic Analysis Methods) Problem 21 standard model and the different B-H(such as Bm-Hm and Bm-Hb) curves,the iron loss and magnetic flux inside the grain-oriented(GO) silicon steel lamination are modeled under different frequency(from 50 Hz to 200 Hz) in this paper,And the influences of skin effect and electric-magnetic anisotropy on the numerical simulation results have been examined.The calculated and measured results with respect to the model are in good agreeme...
CN202180046099.7取向性电磁钢板的制造方法
提供能够稳定地制造磁特性优异且钢卷长度方向的铁损的偏差少的取向性电磁钢板的取向性电磁钢板的制造方法。本发明是一种取向性电磁钢板的制造方法,包括如下工序:对钢坯进行热轧,根据情况实施退火,然后通过1次冷轧或夹有中间退火的2次以上的冷轧来制成具有最终板厚的冷轧板,接着对上述具有最终板厚的冷轧板进行脱碳退火,然后实施二次再结晶退火;在最终的冷轧之前,将钢板以100℃/s以上的升温速度加热到100℃~350℃的加热温度,上述钢板从达到加热温度到进入最终的冷轧的第1道次的时间为5秒以内。
双辊连铸法制备硅钢薄带的组织和性能
采用双辊连铸工艺制备了硅的质量分数分别为0.5%,1.0%,3.0%,4.5%的硅钢薄带,用光学显微镜观察其组织,并研究了后处理工艺对薄带组织和性能的影响。结果表明:硅含量为0.5%和1.0%的薄带适合采用一次冷轧+850~950℃退火的后处理工艺,而硅含量在3.0%以上的薄带适合采用二次冷轧+950℃退火的后处理工艺;硅含量为3.0%和4.5%的薄带在冷轧并950℃退火后,其磁性能最佳,铁芯损耗约为4.30 W·kg-1,磁感应强度约为1.68T。 Silicon steel thin strips with silicon content of 0.5wt%,1.0wt%,3.0wt%and 4.5wt%were prepared by twin-roll continuous casting process,and the microstructure of the strips were observed by means of optical microscopy,and on the basis,the effect of post-treatment process on microstructure and properties of the strips was studied.The results show that the post-treatment process of one-time cold rolling and annealing between 850—950℃was suitable for the strips with silicon content of 0.5wt%and 1.0wt...
低铁损高磁通密度无取向硅钢的应用与生产技术进展
分析了高转矩和高转速条件下高效驱动马达铁芯材料对无取向硅钢磁性能要求,讨论了无取向硅钢的高磁通密度和低铁损对电机转矩和效率的影响,介绍了国内外高磁感无取向硅钢发展情况。在生产工艺上,提高钢质纯净度,弱化夹杂物和第二相粒子对畴壁移动和再结晶晶粒长大的钉扎作用,添加微量晶界和带钢表面的偏析元素促使有利织构发展等技术可提高无取向硅钢的磁通密度。 The requirements of high efficient drive motor core materials under the conditions of high torque and high speed were analyzed.The effects of high magnetic flux density of non-oriented silicon steel on the torque and efficiency of the motor were discussed.The development of non-oriented silicon steel with high magnetic was introduced.The magnetic flux density of non-oriented silicon steel sheet can be obviously improved by some production technologies,such as purification steel,weakening the pin...
加热温度对W470高硅钢连铸坯氧化铁皮的影响
采用SEM、EDS和XRD对不同加热温度下W470连铸坯氧化铁皮的微观形貌及相结构进行研究。结果表明,W470氧化铁皮难以除去的原因是氧化铁皮熔化,液相包裹着FeO,凝固时发生共晶反应,生成FeO/Fe2SiO4共晶混合物,并深嵌入基体。降低加热炉的加热温度,使连铸坯全程在FeO/Fe2SiO4共晶混合物熔点(1177℃)以下加热,可降低氧化铁皮与基体的结合力,能够有效解决W470除鳞困难问题。 The microstructure and phase structure of iron scale of W470 continuous casting billet at different heating temperatures were investigated by SEM,EDS,and XRD.The results show that the reason why the iron scale of W470 removes hardly is that iron scale is melted and the FeO is surrounded by the liquid phase,which forms FeO / Fe2SiO4eutectic mixture and is embedded into the matrix after solidification.Lowering the heating temperature and keeping the continuous casting billet heating under the melt...
CN202023271514.0一种镀铝锌硅钢板平整装置
本实用新型公开了一种镀铝锌硅钢板平整装置,包括辊轮整形装置与曲面压平装置,所述辊轮整形装置包括第二底板,所述第二底板的上表面固定连接有两个驱动电机,所述驱动电机的输出端固定连接有第二推杆,所述第二推杆的输出端固定连接有滑动块,所述滑动块的左侧壁转动连接有转杆,所述转杆的中部固定连接有辊轮;所述曲面压平装置包括第一底板、顶板,所述第一底板与顶板之间固定连接有四根导柱,所述导柱的中部滑动连接有上模座,所述上模座的下表面可拆卸连接有上模具,所述第一底板的上表面固定连接有下模座,所述下模座的上表面可拆卸连接有下模具。本实用新型中,辊轮整形机与曲面压平机结合能够有效地提高钢板的压平后的平整度。

