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介绍了国内无底层取向电工钢生产技术水平、产量和用途,简述了无底层取向电工钢作为取向电工钢超/极薄带母料及应用于制作大型发电机组铁心、风电等电机铁心和变压器铁心等的情况。 The production technology level,output and application of domestic glassless grainoriented electrical steel were introduced,and the application of glassless grain-oriented electrical steel as parent material of ultra-thin strip of grain-oriented electrical steel and in making large-scale electric generator cores,wind power motor cores and transformer cores were briefly described. 
2022-02-28 202 5.8

采用取向分布函数分析了无取向电工钢不同再结晶退火温度下的织构变化及织构对磁感应强度和铁损的影响,并计算了无取向电工钢的磁晶各向异性能。结果表明,随着实验钢的再结晶退火温度升高,Goss织构和立方织构组分显著增强,而{111}面织构强度却减弱。较高的退火温度有利于减小织构因子,提高磁感应强度。磁晶各向异性能计算结果显示,随着再结晶退火温度升高,无取向电工钢板的磁晶各向异性能降低。 The recrystallization texture and the relationship of texture to magnetic induction intensity and core loss of a non-oriented electrical steel were investigated by orientation distribution function analysis. The magnetic anisotropy energy of the steel was calculated also. The results show that,the intensity of Goss texture and cubic texture increases,but the intensity of { 111} texture decreases with increasing recrystallization annealing temperatures of the steel. The higher annealing temperatu... 
2014-02-28 196 5.8

一种不含铬取向电磁钢板用涂料、其制备方法及带涂层的不含铬取向电磁钢板的制备方法,属于取向电磁钢板技术领域。所述涂料按质量份配比组成如下:100份磷酸盐、60~120份二氧化硅溶胶、5~50份氧化锡溶胶、2~40份硼酸和0.5~10份二氧化硅粉体。本发明所述制备方法环境友好、能够满足规模化生产要求,制备的涂料不含铬、具有良好的稳定性和涂敷性,并且本发明所述涂料能够使取向电磁钢板表面涂层具有良好的耐吸湿性、耐腐蚀性、耐热性、张力效果和抗粘片性。
2020-12-30 166 6.8

本发明给出了一种用于将由电工钢带(3)或电工板材制成的板件(4)叠组成板叠(2)的方法,板叠分别具有在相对于预定的目标叠组高度(hs)的公差范围(Δh)内的叠组高度(hp)。
2021-03-02 128 6.8

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 {... 
2014-11-28 163 5.8

本发明公开了一种硅钢片冲压设备及其使用方法,包括底座,所述底座顶部的左侧固定连接有侧板,所述侧板表面的中心处开设有限位滑孔,所述底座内腔底部的左侧固定连接有伺服电机,所述伺服电机的输出轴固定连接有螺纹杆。本发明通过设置伺服电机、螺纹杆、螺纹套和限位滑杆,能够带动支撑板和气缸进行高度调节,同时能够带动上板和冲压板进行高度调节,方便使用者适应不同厚度的硅钢片,同时支撑杆、套筒和复位弹簧能够带动顶板在不受力的情况下复位至活动槽的外部,方便使用,解决了现有的硅钢片冲压设备在使用时不能根据硅钢片的厚度进行冲压高度的调节,因此不能很好的适应使用需要的问题。
2021-05-31 188 6.8

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。
2021-12-02 190 6.8

采用CVD法制备6.5%Si高硅钢,介绍了具体的制备工艺过程,研究了温度对渗硅速率和试样质量减轻的影响,同时分析了扩散时间对高硅钢中硅分布的影响。结果表明:在CVD反应过程中,反应温度高于1050℃将大大提高渗硅速率,但当温度大于1200℃后,渗硅速率趋于稳定;渗硅后,试样会减轻、减薄,随着温度升高,试样质量减轻的速率逐渐增大,在1200℃左右趋于稳定;扩散时间越长,硅分布越均匀,结合制备效率进行考虑,满足Δw表-中/b≤5的时间为适宜的扩散时间。 6.5%Si high silicon steel was manufactured by using CVD method and the process was introduced,the influence of temperature on the siliconizing rate and quality reducing rate,diffusion time on silicon distribution were investigated.Results as follows: the siliconizing rate will increase quickly when the temperature is higher than 1050 ℃,but the siliconizing rate will become steadily as the temperature up to 1200 ℃;The quality reducing rate will increase with the elevating of temperature and the r... 
2013-01-28 168 5.8

提出了一种基于爱泼斯坦方圈族(包括标准25cm爱泼斯坦方圈、缩比的17.5cm和20cm爱泼斯坦方圈)和二级加权处理方法对爱泼斯坦测试数据,包括有效磁路长度、比损耗、励磁功率,进行处理的晶粒取向电工钢磁性能扩展模拟方法。详细地考察了励磁频率、试样剪切角度和环境温度对爱泼斯坦方圈测量结果的影响。研究结果表明,利用本文提出的爱泼斯坦方圈组合以及二级加权处理技术,可以有效地建立取向电工钢损耗模拟模型,从而更加准确地确定了取向电工钢的损耗,改善并提高了爱泼斯坦磁性能测试数据的应用价值。 The extended modeling of the magnetic properties of GO(grain oriented) electrical steel is presented in this paper which is based on a set of standard and scaled-down Epstein frames and a proposed two-level weighted processing of Epstein data, including the mean magnetic path length, specific magnetization loss and exciting power. The effects of excitation frequency, strip angle and ambient temperature on the results obtained from the Epstein frames are investigated. It is shown that using the p... 
2014-09-28 165 5.8

本发明实施例涉及一种硅钢片冲剪设备及冲剪工艺,该设备包括冲床、送料台、第一刀模、第二刀模和第三刀模;送料台用于传送待加工的硅钢条;第一刀模用于冲剪硅钢条以在硅钢条上形成预设形状的第一凹槽,第一凹槽处构成“工”字形硅钢片的一侧凹部;第二刀模用于冲剪硅钢条以在硅钢条上形成预设形状的第二凹槽,第二凹槽与所述第一凹槽相对应,第二凹槽处构成“工”字形硅钢片的另一侧凹部,第二刀模与硅钢条在硅钢条的横向方向上能够产生预设距离的相对位移;第三刀模用于沿硅钢条的横向方向剪断硅钢条。该设备能够采用硅钢片低成本、高效率地制造“工”字形硅钢片。
2021-04-14 133 6.8

根据现场实际的生产控制情况,指出了热轧原料断面轮廓缺陷以一定的比列遗传给了冷轧带钢,分析了不同热轧原料断面轮廓对冷轧电工钢尺寸精度的具体影响,提出了相应的规律。并阐明了严格控制热轧原料断面轮廓形貌,对保证冷轧电工钢尺寸精度具有重大意义,对于中国现行的冷轧电工钢生产具有指导意义。 Based on the actual situation of production control,it was pointed out that the section profile defects of hot-rolled raw materials were geneticed to the cold-rolled strip.The specific impact analysis for the profile of different hot-rolled raw materials to the dimensional accuracy of cold-rolled silicon steel was analyzed.As a result, the corresponding orderliness are given;And the strict control to section profile of the hot-rolled material is of great significance to ensure the dimensional ac... 
2014-01-28 143 5.8

稀土元素在许多钢中发挥着独特而且不可替代的重要作用。半个世纪以来,它的作用已经在各种低合金和特殊合金钢中的研究及应用中得到充分的证明;然而,作为具有稀土资源优势的中国,在属于重要功能材料的无取向电工钢中稀土的应用却落后于国外,本文就中国稀土在无取向电工钢中的应用研究作简要的评述,希望能够进一步推进此领域的研究,并且促进中国稀土在无取向电工钢中应用技术的发展,缩短与国外差距,并提出了在此应用领域今后需深入开展的研究方向。 Rare earth elements play a unique and irreplaceable role in a lot of steels,it has given the full proof by the practice of various low alloy steels and special alloy steels since half century.However,as our country has the advantage of rare earth resources,RE application technology in non-oriented electrical steels has lagged behind abroad.The application researches of rare earth in non-oriented electrical steel in our country are briefly reviewed in this paper,which hope to promote the research... 
2014-05-28 165 5.8

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