硅钢资料

通过固溶度积公式计算及热模拟实验,对不同热装和加热温度条件下的无取向硅钢铸坯中析出相进行了研究.在低于950℃热装时,铸坯中AlN的析出量和尺寸不再变化,但MnS和AlN-MnS的数量及平均尺寸随着热装温度降低而进一步增加,并在温度低于600℃时达到最大值后保持不变.与1200℃相比,1100℃加热的铸坯中AlN、MnS的总固溶量相对更少.相比850℃热装,600℃热装再加热到1100℃的铸坯中AlN和MnS的总固溶量更少,且AlN和MnS尺寸更大.合适的热装温度和加热温度分别为600℃和1100℃. Based on solubility product calculation and thermal simulation experiments,precipitated phases in continuous casting slabs of non-oriented silicon steel were systematically studied at different hot charging and heating temperatures.When the hot charging temperature is below 950 ℃,the content and size of AlN remain unchanged,but the quantity and size of MnS and AlN-MnS increase when the hot charging temperature decreases,reach maximum and remain unchanged when the hot charging temperature is belo... 

本发明提供一种能够有效地抑制去应力退火中的渗碳、氮化的，实施了耐热型的磁畴细化处理的取向性电磁钢板。该取向性电磁钢板在一侧面具有多个槽，在所述钢板的表面至少具备镁橄榄石被膜，该多个槽是朝向横切轧制方向的方向线状地延伸且在该轧制方向隔着间隔地并列，并且，形成于所述槽的底部的所述镁橄榄石被膜厚度的平均值为0.45μm以上，并且该厚度的标准偏差σ为0.34μm以下。

采用Nb对Fe-6.5%Si(质量分数)高硅钢进行微合金化处理,结果表明:Nb在高硅钢薄板制备过程中细晶效果明显.铸态、锻态和热轧态组织的晶粒分别细化了17.50%,24.51%和30.13%.铸态样品压缩强度由1365 MPa提高至1520 MPa,延伸率提高77.78%;温轧板试样室温拉伸强度由573 MPa提高至621 MPa,延伸率提高44.44%.利用XRD对厚度为0.30—1.68 mm的温轧板的板面织构演变过程进行跟踪测量,结果发现:初始织构以(011)〈100〉Goss织构为主,单道次变形量为26.2%的情况下,Goss织构完全转化为(100)〈011〉旋转立方织构,随后,在单道次变形为22.6%的情况下,旋转立方织构完全转化为{111}面织构,即纤维织构,并稳定保持至0.30 mm. Fe-6.5%Si（mass fraction） alloy possess perfect magnetic properties,though intermetallics of Fe₁₄Si₂ phase brought 6.5%Si leads to room temperature brittleness and hinder this significant materials industrialization.Nb was adopted into micro-alloying of Fe-6.5%Si high silicon steel. OM,thermal simulated test machine and XRD were employed to study the influence of Nb on high silicon steel in processing stages.Textures of warm-rolled high silicon steel strips were determined b... 

目前随着电工钢用户冲压设备的升级,冲压速度逐步提高,对电工钢产品的硬度和强度指标提出了更高的要求。与普通硬度级别的无取向硅钢相比,高硬度50BW600的Hv硬度提高15~20,达到125以上,同时对电磁性能指标也有较高要求。本钢通过化学成份和热轧及冷轧连退生产工艺的设计,经过小批量生产试验,满足用户要求。通过对工艺的严格控制,在大批量生产过程中,保证了产品的力学性能和电磁性的检验合格率。 Currently with upgrading of stamping equipment of silicon steel user, gradually increasing of stamping speed, propose higher demand for hardness and strength of silicon steel. Compared with conventional 50BW600, high hardness 50BW600 have higher hardness, reach greater than 125Hv. Through design of chemical composition with hot mill and annealing, production test of small quantities, stamping performance meet user request. 

针对攀钢高硫铁水冶炼现状,结合不同生产工艺路线,论述了攀钢近年来为实现低硫电工钢的生产,在铁水预处理、转炉冶炼、钢水精炼过程中硫控制技术的开发与应用,形成了低硫洁净钢生产工艺技术,实现了低硫电工钢的生产。低硫电工钢RH脱硫率可达到20%左右,成品[S]控制在0.006%左右。 According to the smelting situations of hot metal with high sulphur content at Panzhihua Steel,combined with different produce processes,technologies for controlling the sulfur content during hot metal pretreatment,converter smelting,and second refining are developed. Technologies in low-sulfur clean steelmaking are formed. Low-sulfur electric steel are produced. As for the desulfurization rate of lowsulfur electric steel can reach about 20%,and the content of [S] in products is controlled to ab... 

研究了锰含量对w(Si)=1.8%Si无取向电工钢组织和性能的影响。结果表明,钢中锰含量从0.3%增加到1.2%时,由于α_γ相变的产生,铸坯低倍组织、热轧板金相组织及成品织构等均发生了不同程度的变化,对成品表面质量及磁性能产生了明显的影响。 The effects of manganese content on structure and properties of w(Si)=1.8% non-oriented electrical steels have been studied.Results show that with increasing manganese content to 1.2% from 0.3%,macrostructure of continuous casting slab,hot rolled band metallurgical structure and finished product texture vary in some extent because of the occurrence of α-γ phase transformation,the surface quality and magnetic properties of finished product are affected greatly. 

本实用新型公开了一种取向电工钢生产用控温装置，涉及取向电工钢生产用控温技术领域，为解决现有控温装置中的温度检测装置需要蓄电池对其进行供电，不仅增大了能量消耗，也对环境造成影响的问题，所述输送机构上方并列等距固定安装有三个温度检测机构，且两个温度检测机构之间均设置有一个喷水降温机构，所述输送机构上方两侧固定安装有限位块，且限位块内部并列等距设置有四个电动伸缩器，一侧所述电动伸缩器前端固定安装有温差发电挡板，所述温度检测机构上方设置有接收器，且温度检测机构下方内部并列等距设置有红外线温度检测器。

一种电工钢切片用辅助定位装置，涉及电工钢加工技术领域，包括加工台、支撑腿、定位块、侧板、滑杆、移动板、顶板、滑动架、伸缩杆、切片装置、定位杆和挡板；支撑腿设置在加工台底部；定位块设置有两组，两组定位块均设置在加工台上，两组定位块沿横向分布，每组定位块设置有两个，每组的两个定位块沿纵向分布；侧板设置有两个，两个侧板均设置在加工台纵向一侧，两个侧板沿横向分布；滑杆设置在两个侧板之间；移动板沿横向滑动设置在滑杆上；顶板设置在移动板靠近加工台的纵向一侧，顶板位于移动板上端。本实用新型能够方便工作人员切割出一定尺寸的电工钢切片，且切割精度很高。

本实用新型涉及切割设备技术领域，尤其涉及一种电工钢切片用切割刀架。其包括机架、升降架、第一输送辊、第二输送辊、升降块和切割装置；升降架和升降块均设置有两个；两个升降架均设置在机架上；两个升降块分别滑动设置在两个升降架上；第一输送辊的两端分别转动设置在两个升降块上；升降架上设置有用于驱动升降块移动的升降机构；第二输送辊转动设置在机架上，且第二输送辊位于第一输送辊的下方；机架上设置有用于驱动第二输送辊转动的驱动电机；第二输送辊上设置有用于驱动第一输送辊转动的传动机构；切割装置滑动设置在机架上；机架上设置有用于驱动切割装置移动的驱动机构。本实用新型能够方便对电工钢进行切割，且能够自动放卷。

本发明提供了一种强磁性取向高硅钢极薄带及其制备方法，属于电工钢制造领域，所述强磁性取向高硅钢极薄带包括以下质量百分比的元素：C：0.0045％～0.0060％、Si：4.5％～5.0％、Mn：0.23％～0.32％、S：0.02％～0.03％、Bi：0.03％～0.08％、Als：0.027％～0.035％、Cu：0.02％～0.03％，N：0.008％～0.010％，P＜0.005％，其余为铁，其中所述Cu、S、N元素在熔炼时以含硫氮和铜的多核配位化合物的方式加入所述高硅钢；本发明通过对取向高硅钢的原料组分进行设计，采用含硫氮和铜的多核配位化合物和Bi元素作为合金抑制剂，所制得的强磁性取向高硅钢极薄带晶粒细小，组织均匀，具有高磁感应强度，低铁损的优良磁性能。

冷轧无取向硅钢（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N）经890℃或940℃3 min常化的2.3 mm热轧板冷轧成0.35 mm薄板。研究了常化温度和800⁹20℃3 min退火对该钢高频（400Hz）磁性能和抗拉强度的影响。结果表明,830⁹20℃退火时高频铁损P_10/400值最低,随退火温度增加,晶粒尺寸增大,钢的抗拉强度降低;该钢的最佳热处理工艺为常化温度940℃,退火温度830℃,其抗拉强度R_m、高频铁损P_10/400和磁感应强度J₅₀分别为565 MPa,21.5 W/kg和1.69 T。 The cold-rolled non-oriented silicon steel（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N） is cold-rolled to 0.35 mm sheet from 2.3 mm hot-rolled plate normalized at 890 ℃ or 940℃ for 3 min.The effect of normalizing temperature and annealing process at 800 ⁹20 °C for 3 min on high frequency（400 Hz） magnetic properties and tensile strength of the steel has been tested and studied.Results show that with annealing at 830 920 ℃the high frequency iron loss value P_10... 

对低温加热工艺生产的普通取向(common grain-oriented,CGO)硅钢的高温退火过程进行了中断实验,材料为含3.0%Si、0.5%Cu、0.009 8%S(均为质量分数)的以Cu2S为主抑制剂的普通取向CGO钢。原始板坯厚度为230 mm,于1 200℃均热后经4道次粗轧、7道次精轧至2.3mm;热轧板采用两次冷轧法轧至0.3mm,中间完全脱碳退火,最后于1 200℃高温退火。最后样品的磁性能:铁损P17/50为1.182W/kg,磁感应强度B8为1.897T。借助配有EDAX OIM电子背散射衍射(EBSD)系统的ZEISS SUPRA 55VP扫描电子显微镜,对高温退火过程中高斯晶粒的演变进行了研究,结果表明:升温过程中晶粒尺寸增长缓慢,650℃时取向分布函数(ODF)图出现高斯织构组分,但强度很弱,高斯晶粒偏离角小于9°;950℃时高斯晶粒平均生长速度超过其他晶粒;950~1 000℃时高斯晶粒异常长大,偏离角降至约3°;在950℃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 common grain-oriented(CGO)silicon steel was investigated by interrupting test.The samples were rolled from CGO silicon steel slab under low reheating temperature.The CGO silicon steel,taking Cu2S as the main inhibitor,contains3.0%Si,0.5%Cu,and 0.0098%S.The original casting slab is 230mm in thickness.After 1 200℃reheating,four-pass rough rolling and seven-pass finish rolling were conducted to make the thickness of the slab get to 2.3mm.Then the hot rolled...