硅钢资料

【作者】 朱一知； 高军军； ...

【作者】 徐刚； ...

基于简化的取向硅钢片模型,系统地对不同的交流激励下的硅钢叠片内铁损、交链磁通和空气中指定位置的法向漏磁的分布进行了\"单片级\"的测量,并建立了相应的硅钢叠片级问题的三维有限元分析模型,进行了大规模的数值计算分析。模型实验和数值分析的结果表明垂直进入硅钢片的漏磁通和损耗呈现浅透入的特点,在硅钢片内引起的涡流损耗在总铁损中占据了\"举足轻重\"的份额。用电磁场有限元分析软件MagNet瞬态场时步法计算结果与测量结果相吻合,说明本文方法研究复杂的硅钢叠片问题的有效性。 The measurement and 3D finite element analysis of the iron loss,interlinkage flux inside the laminated silicon steel sheets and the magnetic flux densities at the specified positions are carried out based on a verifying silicon steel sheet model.The modeling results show that the leakage flux vertically through the silicon steel sheets has the peculiarity of shin effect,and the eddy current loss caused by the AC leakage flux is a significant component of the total iron loss.The calculated result... 

本实用新型涉及变压器铁芯加工的技术领域，特别是涉及一种变压器铁芯加工用硅钢片裁剪装置，其可提高下料的便利性，同时提升工作效率；包括操作台、集料板、气缸、底架、两组立板、电机、从动轴、传送带、缓冲座、两组高弹簧和两组低弹簧，操作台底端设有四组支腿，操作台顶端设有送料组件和裁剪机，操作台上设有下料口，集料板转动安装在下料口内，气缸顶端和操作台底端固定连接，集料板底端滑动设有铰接座，气缸的输出端和铰接座铰接，立板通过两组立板固定安装在操作台底端，电机固定安装在底架前端，电机的输出端设有主动轴，主动轴转动安装在底架内，从动轴转动安装在底架内，主动轴和从动轴之间通过传送带传动连接。

为了更好的解决电力系统防污闪涂料RTV-Ⅰ长期应用暴露出来的问题以及目前RTV-Ⅱ防污闪涂料存在的一些不足,结合具体实际需求,在电力系统外绝缘领域,应用新型防污闪硬质涂层——防污闪纳米硅钢涂层,并对分别喷涂了防污闪纳米硅钢涂层以及RTV涂料的绝缘子进行对比运行情况研究分析。研究结果表明,防污闪纳米硅钢涂层是一种同时具有优异憎水性迁移性能和自洁性能的新型涂层,具有良好的应用前景。 In order to solve the problem exposed of anti-pollution flashover coating RTV-Ⅰwhich has been used long-term in power system,as well as to better solve some shortcomings of the current anti-pollution flashover coating RTV-Ⅱ,in this paper,a new anti-pollution flashover hard coating — anti-pollution flashover nanometer silicon hard coating(NSHC) is applied in the field of power system insulation for the specific practical needs.At the same time insulators which are separately sprayed by the NSHC a... 

本发明公开了一种高热导率耐腐蚀电工钢自粘结涂料及制备方法，本发明的自粘结涂料包括以下质量百分比的组分：双酚A型环氧树脂25％～35％、酚醛环氧树脂4％～8％、异辛基磷酸酯0.2％～0.5％、丙二醇甲醚5％～10％、乳化剂5％～8％、二甲氨基乙氧基三恶硼杂八环1％～3％、铵封闭路易斯酸盐0.5％～2％、氮化硼纤维3％～12％、氧化铝纤维0.4％～1.0％、研磨助剂0.2％～0.3％、余量为纯水。该自粘结涂料一次固化后形成的活化态自粘结涂层显著提高对电工钢基材的耐腐蚀性，该自粘结涂层具有良好的热导率，一次固化与二次热压固化工艺条件操作难度显著降低。本发明的自粘结涂料制备方法操作简单，实施可行性高。

【摘要】 <正>据武钢股份公司提供的消息,武钢将与...

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：2.1至3.8％、Mn：0.001至0.6％、Al：0.001至0.6％、Bi：0.0005至0.003％和Ge：0.0003至0.001％，余量包含Fe和不可避免的杂质。

采用扫描电镜、原子力显微镜研究了铬酸镁半无机绝缘涂层的微观结构。结果表明,涂层厚度为数微米,涂层中的有机树脂乳液颗粒均匀分布在无机涂层的表面,从而保证了涂层具有良好的冲片性能。采用极化曲线研究了涂层的耐蚀性能,发现铬酸镁与铬酸锌绝缘涂层的耐蚀性能相当。 In this paper,the microstructure and anti-corrosion property of magnesium chromate coating on non-oriented silicon steel were studied.The microstructure was observed by SEM and AFM.The anti-corrosion properties were evaluated by polarization curves.The results show that the thickness of coating is several microns and the polymer particles were scattered on the surface of inorganic coating,which is the guarantee for lamination property.The corrosion resistance of the magnesium chromate film was e... 

采用拉伸试验和显微组织观测的方法确定了GTN损伤模型中的9个损伤参数,运用GTN损伤模型对冷轧硅钢薄板边部缺陷的扩展及边裂的产生进行了有限元模拟,并与预置缺口的钢板轧制试验进行对比。结果表明:轧制过程中边部缺陷是造成钢板边部裂纹萌生和扩展的一个重要原因,GTN损伤模型可用来预测含边部缺陷硅钢薄板在冷轧过程中边裂的产生;预测结果与试验结果基本一致。 The crack initiation and propagation of silicon steel strip with edge defect during cold rolling process was studied by using GTN damage model in this paper.Nine damage parameters in GTN model were identified by tensile testing and microstructure observing,and then the FE simulation of edge defect evolution of silicon steel strip during rolling process was conducted on the base of GTN damage model,and then the results were compared with rolling experimental results.The results show that the edge... 

针对宝钢集团、日本新日铁住金和JFE公司公开的相关专利等资料,总结了国内外高强度无取向电工钢的研究进展,分析了不同电工钢的化学成分、生产工艺及产品性能,指出固溶强化、细晶强化、析出强化、位错强化都有可能被用来提高无取向电工钢的强度,并阐述了四种强化方式的优缺点;指出在高强度无取向电工钢的研发过程中,需根据其具体用途确定目标性能,再采用合适的强化手段,最终实现力学性能、磁性能和生产性能之间的平衡。 The research progress of high strength non-oriented electrical steels at home and abroad is summarized according to related patents brought into the public by Baosteel,Nippon Steel & Sumitomo Metal corporation and JFE corporation.The characteristics of chemical composition,production technology and properties of products in the patents are analyzed.Each of solution strengthening method,fine-grain strengthening method, precipitation strengthening method or dislocations strengthening method ma... 

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。