硅钢资料

本发明的一种超低碳含钇取向硅钢及其制备方法，化学组成及质量百分比为Si：2.0～4.5％，C：≤0.003％，Y：0.001～0.1％，Mn：0.1～0.25％，Al：0.01～0.02％，Cu:0～0.3％，S：0.02～0.035％，N：0.009～0.011％，其余为Fe和不可避免的杂质元素。生产工艺为：连铸、铸坯加热、热轧、常化、冷轧、初次再结晶退火、二次再结晶退火。本发明采用超低碳的成分，取消了常规取向硅钢脱碳退火工艺，简化了生产流程。通过稀土微合金化解决了因超低碳成分导致的单向铁素体组织抑制剂析出困难的技术难题。本发明制备的含钇取向硅钢厚度为0.2～0.35mm，磁感应强度B8为1.85～1.94T，铁损P17/50为0.9～1.2W/kg，可以用于变压器的铁芯材料，制备流程更为简洁。

本实用新型公开了一种取向电工钢的多项性能检测装置，涉及取向电工钢技术领域，为解决检测装置在对取向电工钢涂层性能检测时较为繁杂，增加了检测难度，检测的误差增加，且检测装置的性能检测较为单一，检测效果不佳的问题。所述底座的上方设置有安装架和吊梁架，所述安装架上设置有输料辊，输料辊设置有两个，两个所述输料辊之间设置有输送带，所述吊梁架的下方设置有弹性胶带，所述弹性胶带上方的两侧均设置有第三电动伸缩杆，且第三电动伸缩杆的两端分别与吊梁架和弹性胶带通过螺钉连接，所述弹性胶带的一侧设置有检测架，所述检测架上设置有激光灯、第一滤光片、接收器、第二滤光片和聚光片，所述激光灯和第一滤光片设置在弹性胶带的上方。

采用光学显微镜和X射线衍射仪研究了常化退火处理对无取向硅钢热轧板和成品退火板显微组织和织构的影响。结果表明:常化退火处理消除了热轧板中的变形组织,促使变形晶粒完成再结晶;常化退火处理使高斯织构和立方织构易通过再结晶在变形带内形核和长大,可显著降低成品退火板的{111}和{112}不利织构组分的占有率,提高{100}和{110}有利织构组分的占有率,从而有利于提高无取向硅钢成品板的磁性能。 The effect of normalizing annealing treatment on microstructure and texture of non-oriented silicon steel hot rolled plates and final products were investigated by means of optical microscope and X-ray diffractometer analysis.The results show that the deformed microstructure of the hot rolled plates transformed into recrystallized grain after normalizing annealing treatment.The grains of Goss texture and cubic texture crystallographic orientation were formed and grown by recrystallization in the... 

本实用新型公开了一种变压器铁芯硅钢片纵剪滚切装置，包括纵剪机本体、弹性压覆机构和涂油机构，所述纵剪机本体的进料端设置有弹性压覆机构，料带通过弹性压覆机构压覆在纵剪机本体的支撑平台上，所述支撑平台上凹设有安装凹槽，所述安装凹槽内设置有涂油机构，所述涂油机构朝向于料带的底面涂油，通过涂油机构对板材的切割面进行涂油，能够对料带起到润滑和冷却的作用，提升料带切割质量。

研究了冷轧95%变形量无取向硅钢不同退火温度(710～1 050℃)下再结晶织构特征.再结晶刚完成时(710℃退火),呈现强γ({111<112>～<134>)与弱{114}<481>织构特征;随退火温度升高至900℃,γ明显减弱,{114}<481>组分持续增强,形成典型的{h,1,1}<1/h,1,2>织构;进一步升温至1 050℃,再结晶织构不再发生明显变化.基于EBSD分析,{114}<481>组分的持续强化可归因于其明显的尺寸优势以及较高频率的高能晶界(取向差角为20°～45°). A non-oriented silicon steel was heavily rolled to 95% reduction and subsequently annealed at 710~1 050 ℃ to investigate recrystallization texture evolution.When annealed at 710 ℃ with complete recrystallization,the texture is characterized by a strong partial γ fiber spreading from {111}<112> to {111}<134> and a weak {114}<481> component.As annealing at 900 ℃,γ fiber is decreased significantly while {114}<481> is increased consistently,producing a typical {h,1,1}<1/h,... 

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. 

本实用新型涉及一种取向硅钢氧化镁线涂层装置，尤其涉及一种取向硅钢氧化镁涂层线用冷涂辊，具有涂层辊本体及包覆在涂层辊本体外层的橡胶涂层；涂层辊本体内部为空腔结构，空腔结构内通有循环冷冻液。本实用新型涂层辊内部设计成空腔结构，并通过循环冷冻液对涂层辊进行冷却降温，既可以达到通过涂层辊对氧化镁进行降温的目的，从而满足工艺要求，防止质量缺陷的产生，还可延缓涂层辊因反复摩擦生热造成橡胶层老化，从而延缓涂层辊使用寿命。

本发明提供了一种超低铁损无取向硅钢薄带，以质量百分比计，其成分包括C≤0.005％，Si：3.5～4.0％，Mn：0.1～0.3％，Als≤0.005％，P≤0.05％，S≤0.005％，Cu≤0.08％，N≤0.003％，Sn：0.04～0.08％，其余为Fe及不可避免杂质，所述硅钢薄带中Mn与S的含量比Mn/S≥50，所述硅钢薄带厚度为0.3‑0.4mm。本发明还提供了一种超低铁损无取向硅钢薄带的制备方法。本发明提供的一种超低铁损无取向硅钢薄带，具有高磁感、低铁损等优良性能，且其制备工艺流程短、容易实现、生产效率高、生产成本低、节能降耗明显。

对低温加热工艺生产的以AlN为主抑制剂的高磁感取向硅钢高温退火过程进行中断实验,借助电子背散射衍射技术对高温退火过程中高斯晶粒的演变进行了研究.在升温过程中高斯晶粒平均尺寸先减小再增大.800℃时取向分布函数图出现高斯织构组分,但强度很弱,高斯晶粒偏离角在10°以上;900℃时高斯晶粒平均生长速率超过其他晶粒;950~1000℃时高斯晶粒异常长大,偏离角3°~6°;在1000℃之前高斯取向晶粒相比于其他晶粒没有尺寸优势. The high-temperature annealing process of high permeability grain-oriented silicon steel with AlN as an inhibitor was studied by interrupting test.The evolution of Goss texture in this process was analyzed by electron back-scattered diffraction.It is found that the Goss grain size first decreases and then increases with the rise of temperature.Goss texture appears in the orientation distribution function at 800 ℃,but the intensity is very weak and the deviation angle is more than 10°.The average... 

本实用新型属于硅钢技术领域，具体的说是一种硅钢前处理高液回流装置，包括机体；所述机体的侧端固接有一号导管；所述一号导管上安装有二号导管；所述机体的顶端固接有连接管；所述连接管上安装有入泡管；所述二号导管的内侧壁固接有电机；所述电机的输出端固接有扇叶；所述二号导管的顶端内侧壁固接有定位板；所述定位板的侧端转动连接有旋转叶轮；所述二号导管的底端固接有排泡管；通过一号导管和二号导管的配合可以把溢出的泡沫进行导向，通过扇叶和旋转叶轮的配合可以使泡沫快速流动，再通过排泡管排出进入机体的内部，可以使泡沫循环使用，避免泡沫的溢流造成环境的污染及碱液的浪费。

阐述了电工钢在\"双碳\"中的作用,强调了电工钢的生产工艺技术及在减少碳排放、降低能耗中的作用,对下游能效升级带来明显的节能及降碳成果。同时,分析了2021年电工钢的生产运行情况,介绍了电工钢的未来发展,并针对如何减少碳排放以及生产更多的更低铁损、更高磁感的电工钢谈了几点启示。 The effects of electrical steels on carbon peak and carbon neutralization were expounded,especially on the achievements of obvious energy saving and carbon reduction to the downstream energy efficiency upgrading bringing from the production technology of electrical steels and their effects to reducing carbon emission and energy consumption.Meanwhile the production situation of electrical steels in 2021 was analyzed,and the future development of electrical steels was introduced,and some advices w... 

无氧化炉具有加热效率高、投资与运营成本低、作业率高、表面质量及板型良好、NOx排放相对低等优势,在硅钢热处理领域应用前景广泛。本文阐述了确定无氧化炉(NOF)加热能力详细过程,涵盖炉温、炉断面尺寸、炉长、热平衡结算、加热能力计算等,为今后无氧化炉(NOF)在硅钢热处理应用时的设计提供了借鉴,同时也为今后明火直接加热的工业炉设计提供了参考。 Non-oxidation furnace has the advantage s of high heating efficiency, low investment and operation cost, high operation rate, good surface quality and plate shape, and relatively low NOxemission,and it still has wide application prospect in the field of silicon steel heat treatment. The detailed process of determining the heating capacity of a non-oxidizing furnace(NOF) is described, covering furnace temperature, furnace section size, furnace length, heat balance settlement, heating capacity cal...