硅钢资料

6.5%(质量分数)Si高硅钢具有优异的软磁性能和广阔的应用前景,然而其室温脆性和低的热加工性极大地制约了它的发展。近年来,人们对高硅钢制备技术的研究已经取得了很大的进展,如何通过织构的优化提高高硅钢的磁性能越来越受到人们的关注,归纳和总结了不同工艺制备的高硅钢中的织构演变规律和特点,以及对应的典型磁性能。 6.5wt% Si high silicon steel has excellent soft magnetic properties and wide application prospect.However,the brittleness of room-temperature and poor workability of cold rolling limit its deve-lopment.Recently,the researches of the preparations of high silicon steel have been already made great breakthroughs,and then,more and more attentions are focused on how to optimizing the texture of high silicon steel so as to obtain the best magnetic properties.The evolution of textures of 6.5% Si high s... 

采用传统的轧制和退火工艺制备了0.30mm厚的6.5%(质量分数)Si高硅电工钢薄板,采用X射线衍射技术对退火过程中的再结晶织构进行了研究。冷轧高硅钢薄板700℃退火形成以{111}〈112〉为峰值的γ织构(〈111〉∥ND)和以{001}〈210〉为峰值的{001}织构;而900℃以上温度退火则形成强{001}〈210〉织构。进一步的研究表明是在晶粒长大过程中{001}〈210〉发展成为主要再结晶织构组分。 High silicon steel thin sheets with thickness of 0.3mm were successfully produced by conventional rolling and annealing methods.Recrystallization texture was investigated by means of X-ray diffraction.It is found that recrystallization texture is mainly composed of γ fiber(〈111〉∥ND)with peak at {111}〈112〉 and {001} fiber with peak at {001}〈210〉 after annealing at 700℃,while strong {001}〈210〉 component dominates recrystallization texture after annealing above 900℃.It is during grain growth that {... 

本发明公开了一种低磁致伸缩取向硅钢的制造方法，其包括步骤：(1)在硅钢基板上进行单面激光刻痕，其中进行激光刻痕的表面为第一表面，第一表面的背向一侧表面为第二表面；(2)基于激光刻痕的功率确定第一表面和第二表面的挠度差；(3)基于挠度差获得第一表面和第二表面所涂覆的绝缘涂层的涂覆量差；(4)基于涂覆量差，在第一表面和第二表面上涂覆绝缘涂层，其中第二表面的绝缘涂层涂覆量大于第一表面的绝缘涂层涂覆量。相应地，本发明还公开了采用上述制造方法所制得的低磁致伸缩取向硅钢，其第一表面和第二表面的磁致伸缩偏差≤2db(A)，并且所述低磁致伸缩取向硅钢的平均磁致伸缩≤55db(A)。

借助于EBSD对比研究了常化退火对高牌号无取向电工钢热轧组织和织构演变的影响,分析了常化退火对热轧板各厚度层织构的演变规律。结果表明,常化退火改善了热轧组织的均匀性,并弱化了热轧变形的γ纤维织构。升高常化退火温度,可增大热轧板的晶粒尺寸,提高{100}和{110}织构组分占有率,有利于提高无取向电工钢成品板的磁性能。 Effects of normalizing annealing on microstructure and texture of high-grade non-oriented electrical steel hot-rolled sheet were investigated by EBSD. Emphasis was put on the effects of normalizing annealing on texture evolution in the sheet thickness. The results show that the hot-rolled microstructure homogeneity is improved and the γ-fiber texture is weakened by normalizing annealing treatment. The grain size of hot-rolled sheet and intensity of the {100} and {110} favorable texture can be in... 

本实用新型涉及变压器铁芯全自动叠装产线技术领域，具体为一种可变距硅钢片吸附抓具，包括：第一铝型材，所述第一铝型材的底端两侧均安装有直线导轨，所述第一钣金连接件的一端与第二直推气缸的动力输入端相连接，所述第二直推气缸通过安装座固定安装在第一铝型材上，所述第一钣金连接件远离直线导轨的一端固定安装有第一气动吸盘；装配块，其设置在所述第二直推气缸远离直线导轨的一侧，所述第二钣金连接件的底端安装有第二气动吸盘。本实用新型通过设置的第二直推气缸能够推动第一气动吸盘在第一铝型材上滑动，如此能够改变第一气动吸盘的所在位置，从而能实现对不同长度的硅钢片的抓取，提高该种吸附抓具的适用范围。

针对某硅钢车间ST机组的除尘系统除尘效率较低、排放浓度不达标、二次污染较严重的问题,通过现场调研,对除尘系统、含尘气体组分与物性参数等进行测试和分析,运用管道伴热技术改善粉尘黏性后,再选取合适的除尘器对粉尘进行除尘处理,大大地提高了系统的除尘效率。 To solve the problems of low dust removal efficiency, substandard emission concentration and severe secondary pollution, some investigations are conducted to test and analyze the dust removal system,dust-gas composition and relevant physical parameters.Moreover, dust removal efficiency is greatly improved by the use of pipe heat tracing technology and by choosing appropriate dust remover. 

此无取向性电磁钢板具有预定的化学组成，所述化学组成满足(2×[Mn]+2.5×[Ni]+[Cu])－([Si]+2×[sol.Al]+4×[P])≧1.50％，以SEM－EBSD测定距表面1/2板厚深度的与轧制面平行的面时，将{hkl}＜uvw＞取向的晶粒相对于全部视野的面积率记为Ahkl－uvw时，A411－011在15.0％以上，且平均晶体粒径为50μm～150μm。

本发明提供一种硅锰镇静无取向硅钢冶炼方法。该无取向硅钢化学成分质量百分比为C≤0.005％，Si：0.25％‑1.20％，Mn：0.2％‑0.8％，P：0.015％‑0.065％，S≤0.005％，Als≤0.005％，余量为Fe及不可避免的杂质。其生产方法包括转炉出钢结束加石灰、渣面脱氧剂调渣；RH真空精炼脱碳结束后进行脱氧合金化，合金化后3‑5min由真空室料仓加入合成渣，处理一段时间后净循环8‑12min，破空出钢运至连铸浇注。得到钢水中主要为SiO2‑CaO‑Al2O3系夹杂，一方面避免了钢水中生成低熔点SiO2‑MnO系夹杂，轧制过程沿轧制向伸长，阻碍晶粒长大；另一方面也避免了生成纯SiO2或高SiO2组分类酸性夹杂，导致冶炼过程耐火材料的严重侵蚀。本发明可控制钢中非金属夹杂物类型，提高钢水洁净度，改善冶炼过程中对耐火材料的侵蚀。

【作者】 常波； ...

本发明涉及一种电力变压器取向硅钢片自动化加工系统，包括支撑台、支撑板、传动机构、堆叠机构和调整机构，所述的支撑台上端左右两侧对称设置有支撑板，支撑板相对面设置有传动机构，支撑台上端中部设置有堆叠机构，支撑台上端面上且位于堆叠机构左右两侧对称设置有调整机构；本发明能解决以下问题：本发明通过传动机构对硅钢片前后移动，通过推动支链对硅钢片移位、放置、拿取，增加对硅钢片进行自动化堆叠效果；通过调整机构对硅钢片X方向面和Y方向面进行感应式自动调整；通过堆叠机构对硅钢片二次调整，避免硅钢片发生移动，从而使硅钢片堆叠的更加整齐，并且节约制造成本。

本文介绍了无取向硅钢C6涂液的性能,研究了配水量、固化程度和涂层厚度等因素对无取向硅钢C6涂层性能的影响。结果表明,随着配水量的增加,完全固化所需的时间增加,涂液固体含量降低,涂层厚度减小;随着固化程度的提高,涂层硬度先增大然后趋于恒定,而柔韧性逐渐变差,在过固化后急剧恶化;涂层厚度对涂层的表面外观、附着性和绝缘层间电阻均有显著影响。 Based on the introduction about the performance of C6 varnish for non-oriented silicon steel sheets,effects of water amount,curing degree and coating thickness are discussed. Results show that with the increase of water amount,the time required to cure completely extends,and both the solid content of C6 varnish and the coating thickness decrease. As the curing degree increases,the hardness of the coating increases first and then tends to be constant,however the flexibility degenerates,especially... 

对高牌号无取向电工钢35W300的成品进行了第二次退火,对第二次退火后的成品性能、纵横向磁性能差异和组织变化进行了分析。结果表明,随着第二次退火温度的升高,晶粒长大,磁性能优化。铁损平均值下降0.087 5W/kg,磁感平均值升高0.008T。第二次退火温度为820℃的产品的磁性能能够满足用户使用要求。 The product of high grade non-oriented electrical steel 35W300 was annealed at the second time.Microstructure,the difference of magnetic properties in the vertical and horizontal and were studied.The results show that the grain grew up and magnetic properties optimized with the increase of annealing temperature for the second time.Iron loss average declines in 0.0875 W/kg,magnetic induction average increases 0.008 T.The magnetic properties can meet the requirements of users at the second anneali...