硅钢资料

一种高硅钢材料的制备方法，步骤包括靶材、金属基材表面清理；排除密闭容器内空气、通保护气；双辉光等离子预轰击靶材和基材，净化表面；等离子溅射、加热、保温；缓慢冷却取出。预轰击靶材、基材，去除表面吸附层、活化基材，交替升高基材电压、靶材电压，使靶材中的合金元素被离子轰击而溅射出来、扩散进入基材内部形成表面高硅钢层。“双辉光等离子表面冶金技术”制备高硅钢的工艺简单易行、可控性高、成本低、无污染且基体和表面的结合力高，适合大规模产业化生产；更重要的是该方法采用交替离子轰击、扩渗速度快，结合强度高，得到硅含量均匀分布或呈梯度分布的高硅钢材料，为制备更高品质的无噪音、低铁损的高硅钢产业化奠定基础。

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... 

阐述了国内外高磁感取向硅钢的生产研究水平与发展趋势,包括通过提高高斯晶粒取向度、细化磁畴、涂覆张力涂层、减薄钢片厚度进一步降低铁损以及低温加热技术和短流程技术新工艺。分析高磁感取向硅钢在我国大型电力变压器上的应用情况,结果表明,发展更薄规格高磁感、低铁损、低磁致伸缩取向硅钢可为大型变压器的安全性、节能性及环保性提供有效保障。 The research progress and development trend of high magnetic induction grain-oriented silicon steel at home and abroad are summarized,including the technology of improving the Goss alignment,refining domain wall,adding stress coating,decreasing thickness of sheet,and the new technique of reducing heating temperature of casting slab and shortening operational.Moreover,the application of high magnetic induction grain-oriented silicon in power transformer is presented.Developing grain-oriented sili... 

本实用新型涉及电机技术领域，具体涉及一种具有低应力隔磁桥的硅钢片和电机转子。包括硅钢片、开设在硅钢片上的若干个磁钢槽组和永磁体，若干个磁钢槽组沿所述硅钢片周向分布，每个磁钢槽组均至少包括一对沿径向对称分布的磁钢槽，永磁体嵌设于磁钢槽内，磁钢槽朝向硅钢片内侧的一端设有空腔，一对磁钢槽的空腔之间通过隔磁桥隔离，隔磁桥的空腔上壁面与空腔侧壁面之间通过第一椭圆弧过渡连接，隔磁桥的空腔下壁面与空腔侧壁面之间通过第二椭圆弧过渡连接。有效降低该处隔磁桥在拐角处所受应力，进而提高该隔磁桥的强度，避免磁钢和铁芯产生形变而断裂。

将Fe-1.5Si硅钢试样分别在1 000~1 200℃空气条件下氧化30 min,观察发现在1 000℃和1 100℃时,氧化层与基体界面处存在硅酸亚铁,而当温度为1 200℃时,硅酸亚铁不但存在于界面处,同时也存在于氧化层中.将各温度下得到的带有氧化层的试样进行单道次热轧试验,压下率分别为10%和30%,发现1 000℃和1 100℃时,较高的压下率使氧化层破碎更加严重,但是单道次热轧未能改变氧化层的结构;当温度为1 200℃时,由于液态的硅酸亚铁的出现,单道次热轧能够将界面处的液化的硅酸亚铁层挤压到氧化层中,消除了硅酸亚铁层的钉扎基体的效应,改善了氧化层与基体界面的平直度. Specimens of Fe-1.5Si silicon steel were oxidized at 1 000 ~ 1 200 ℃ in air for 30 min.At 1 000 ℃ and 1 100 ℃ fayalite was observed at the scale/substrate interface.While at 1 200 ℃fayalite was found both at the scale/substrate interface and at the outer oxide layer.Then after the single-pass hot rolling process,with the compression ratio of 10% and 30%,it was found that at 1000 ℃ and 1 100 ℃,higher compression rate accelerated the broken of the scale layers,but the scale structure was not affec... 

常化快冷是生产高牌号无取向硅钢和高磁感取向硅钢不可缺少的一个工艺环节,气-雾冷却则是实现常化快冷的关键方式之一。介绍了国内自主设计建设的常化酸洗机组气雾冷却系统的技术特性,并对其特点进行了系统分析,最后给出该系统在设计、运行参数的选择上若干注意事项,对气-雾冷却系统设计和使用具有一定的指导作用。 The normalizing rapid cooling is a indispensable process to high grade non-oriented silicon steel and high magnetic induction oriented silicon steel’ s production. The fog cooling is a key ways of coming true the normalizing rapid cooling. This paper introduces the technical features of the fog cooling system in normalizing pickling line which is the domestic independent design and construction. Meanwhile,the fog cooling system’s characteristic is analyzed systematacially. In the end,this paper ... 

研究了退火温度和退火时间对电沉积硅钢试样中的断面层组织、硅在试样中的分布情况、织构分布和磁性能的影响。结果表明:退火温度为1000℃、退火时间为210 min时得到的试样晶粒分布均匀、硅在试样中分布均匀、硅平均浓度为6.3715%(接近6.5%)。试样的织构分析及磁性能检测的结果表明,在较高温度下延长退火时间可增加{100}和{110}面织构,降低铁损,所得试样的磁性能较为良好。 The effect of annealing temperature and time on the microstructure, distribution of silicon,texture and magnetism of the high silicon steel prepared by electrodeposition was investigated. The results showed that after annealing at 1000℃ for 210 min, the mean grain size of steel was about 190 μm with a uniform grain size distribution, and the silicon is also uniformly distributed on the entire cross section with an average Si concentration 6.3715%(close to 6.5%); With the increasing annealing tim... 

本发明公开了一种适宜缠绕式加工的低铁损无取向硅钢及其生产方法，属于硅钢生产技术领域。本发明的无取向硅钢包括以下质量百分比的元素：Si：1.5～2.5％，Mn：0.15～1.0％、Als：0.5～1.5％，其余为Fe及不可避免的杂质。其生产工艺步骤为：铁水预处理、转炉冶炼、真空处理、连铸；加热热轧；常化处理；冷轧、退火；保温、冷却；涂覆绝缘层。本发明通过对无取向硅钢的组分及其配比，结合工艺操作进行优化，能够生产得到电磁性能及延伸率均优异的无取向硅钢，从而能够有效满足电工钢缠绕式加工及使用需求，且其制造工序流程短、成本相对较低。

冷轧取向硅钢工程中有很多的超长、大体积以及薄壁的混凝土结构,裂缝控制是土建施工的关键。在工程中,按照\"抗放兼施、先放后抗、以抗为主\"的原则,采用\"无缝分块跳仓法\",防止超长混凝土结构收缩产生裂缝;在隧道和池体的底板与墙板施工中,采用\"整体浇筑\"法,避免了墙板因约束应力而产生的裂缝。 In the Cold-rolled grain-oriented silicon steel project,there are many overlength,bulk mass,thin-walled concretes structures,how to control the crack is the key of civil engineering construction.In these projects,according to the principle of\"release with resist,resist before release,resist is dominant \",the crack of the over-long structure and shrinkage can be prevented by the method of\"seamless block skip bin \".In the construction of the bottom plate and wall of the tunnel and the pool,the cra... 

本实用新型公开了一种堆垛硅钢片接料装置，它涉及变压器零部件加工技术领域。导向滚轮沿平移轨道滚动带动接料底座沿平移轨道移动；接料底座上设有剪力臂架，升降油缸驱动剪力臂架调节高度带动滚筒架升降，滚筒架上安装有数排滚筒，滚筒为双链轮滚筒，每排的数个滚筒中，相邻滚筒间通过链条与链轮的配合连接，电机驱动一个滚筒转动带动一排的数个滚筒同时转动；每排的数个滚筒上方两侧分别设有导向槽板，导向槽板与滚筒架固定连接。本实用新型的优点在于：可对左右侧、不同层的硅钢片柱进行出料，可同时对多柱硅钢片进行出料，出料效率高；接料的稳定性提高，接料底座移动稳定性提高，接料后硅钢片柱可直接输送至叠装处，操作便捷，转运效率高。

冷轧无取向硅钢是高技术含量、高附加值产品,工艺复杂,生产周期长,过程控制难度大,被誉为钢铁产品中的\"工艺品\"。热轧生产工艺又是无取向硅钢生产的重中之重,直接决定了硅钢的铁损和电磁性等多项指标。 Cold rolled non-oriented silicon steel is high technology content 、high added value product. Its process is complex, its production cycle is of length, and its process control is difficult, which is known as the iron and steel products \" Arts and crafts\". Hot rolling production process is the top priority of non-oriented silicon steel, which directly determines iron loss of the silicon steel and electromagnetic property,as well as other many index. 

本发明公开了硅钢片均衡堆垛分料系统，包括分料机构和接料机构，分料机构包括料架，料架上具有托板，托板两侧设有第一滚筒架，第一滚筒架顶部设有分料结构；分料结构可实现上下、水平移动；分料结构包括支撑架，支撑架上设有倒吸件；倒吸件包括磁块槽和挡料板，磁块槽设于挡料板上方，磁块槽底部设有磁块，磁块槽上方设有压料胶条，磁块槽和压料胶条可上下移动，接料机构的接料底座可平移，剪力臂架可升降，以改变第二滚筒架高度和水平位置。本发明的优点在于：通过分料结构的倒吸件吸附硅钢片，再将数个硅钢片同时放置于托板侧边数排滚筒上的放置板上，可实现多柱硅钢片的均衡堆垛，通过接料机构可进行多柱硅钢片的同时稳定出料，转运效率高。