硅钢资料

取向硅钢利用析出物作为抑制剂,抑制初次再结晶晶粒的长大,抑制剂是取向硅钢发生二次再结晶的基本条件之一。文中通过低温板坯加热技术制备取向硅钢,采用透射电镜(TEM)观察并研究了高温退火阶段抑制剂的演化过程。结果表明,渗氮后形成的非晶态Si3N4析出物不稳定,在700～750℃退火升温阶段转化为(Al,Si)N;(Al,Si)N颗粒在800℃发生团聚,随后长大并粗化;(Al,Si)N是低温取向硅钢主要抑制剂,随退火温度的升高,(Al,Si)N抑制力大幅下降。 Precipitates as inhibitor are used to inhibit the grain growth of primary recrystallization in grain-oriented silicon steel,and inhibitor is one of the basic conditions for occurring of secondary recrystallization.The grain-oriented silicon steel was produced by low temperature slab heating and nitriding technique.The evolution of inhibitor was observed by transmission electron microscopy.The results show that Si3N4 particles are precipitated after nitriding,and Si3N4 particles are amorphous and... 

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. 

借助实验室设备研究了B元素对高牌号无取向硅钢热轧板组织和磁性能的影响。结果表明,与无硼钢相比,含硼钢的热轧板晶粒尺寸略小,析出物的类型和尺寸没有区别,主要是AlN和(AlN+MnS)复合析出物,少量的MnS析出物,尺寸集中在1.0～2.5μm范围内。未发现BN析出物。在力学性能方面,B对钢的软化作用不明显。在磁性能方面,含硼钢的铁损为3.215W/kg,磁感为1.710T,综合磁性能比无硼钢差。 Influences of boron on microstructure and properties of hot rolled band in high-grade non-oriented silicon steel are researched in this paper by experimental equipments.Compared with boron-free steel,the result shows that boron-bearing steel has smaller grain size,but the type and size of precipitations have no differences.The main precipitates are AlN,(MnS + AlN) composite precipitate and few MnS,the range of which are between 1.0 μm and 2.5 μm.BN precipitation is not found.With reward to mecha... 

结合实际生产0.4%Si无取向硅钢，统计了不含Sn和0.025%Sn无取向硅钢的磁性能变化，利用金相显微镜、X射线衍射仪观察分析不同成分下试样的显微组织和微观织构。试验结果表明：Sn元素可以显著降低无取向硅钢的晶粒尺寸，0.025%Sn试样的平均晶粒尺寸比不含Sn减小28.4%;加入Sn元素后抑制了无取向硅钢中不利于磁性能的{111}面织构组分强度，提高了对磁性能有利的{100}面织构组分强度，0.025%Sn与不含Sn相比磁感均值从1.756 T提升至1.768 T,铁损均值从5.476 W/kg降低至5.204 W/kg,明显改善了无取向硅钢磁性能。 In this paper combined with the actual production of 0.4% Si non oriented silicon steel, the magnetic properties of non oriented silicon steel without Sn and 0.025% Sn were counted. The microstructure and microtexture of samples with different compositions were observed and analyzed by metallographic microscope and X-ray diffraction. The results show that: Sn can significantly reduce the grain size of non oriented silicon steel, and the average grain size of 0.025% Sn sample is 28.4% smaller tha... 

本发明公开了一种高效无取向硅钢极薄带的工业连续化生产方法，其包括异步轧制、脱脂、热处理、急速冷却、涂绝缘层、烘干烧结、卷取收集各工序；其中，异步轧制中的异步比为1:1.05～1:1.24；脱脂、热处理、急速冷却、涂绝缘层、烘干烧结、卷取收集工序为连续化生产工艺；热处理工序中，第一步为预热，预热温度为500℃～720℃，预热时间20秒～125秒；第二步为相变热处理，相变热处理温度为840℃～940℃，相变热处理时间100秒～600秒；急速冷却工序中，30秒内将钢带温度降温至350℃以下。优点在于:实现工业化连续生产无取向硅钢极薄带，有效提高产能，生产的无取向硅钢极薄带具备高磁感、低铁损等磁性能。

本实用新型涉及一种硅钢冲压片质量筛查分拣装置，包括：第一组传送带机构，第一摄像头，设置于第一组传送带机构的上方，用于对硅钢冲压片的第一表面的残损进行检测；第一机械手机构，设置于第一组传送带机构的上方且位于所述第一摄像头的后方；翻转装置，设置第一组传送带机构的后方，用于对第一组传送带机构传输的初检良品进行翻面并将翻面后的初检良品传输给第二组传送带机构；第二组传送带机构，设置于翻转装置的后方；第二摄像头，设置于第二组传送带机构的上方，用于对硅钢冲压片的第二表面的残损进行检测；第二机械手机构，设置于第二组传送带机构的上方且位于第二摄像头的后方。本实用新型可高效的检测每一个产品的外观质量。

研究了采用高温卷取热轧态原料和常化态原料生产高牌号冷轧无取向电工钢组织、织构和磁性能。研究发现钢卷采用750℃高温卷取,下线后立即采用\"保温罩\"对钢卷进行保温,时间96h,然后空冷至100℃时上线生产的工艺可取代常化工艺生产高牌号冷轧无取向电工钢。冷轧上线前,热轧态原料的表层为大量的再结晶组织,这部分组织包括了热轧轧制时保留下来的动态再结晶组织,钢卷本身高温回复后产生再结晶晶粒,以及在保温罩内保温时形成的再结晶组织。高温卷取的热轧态和常化态的热轧卷作为原料时,试样织构类型相似,取向分布密度接近,再结晶后织构类型仍然相似,取向分布密度仍然接近。Goss织构对磁性能增加有促进作用。实验钢中较好的磁性能对应的织构[{100}+Goss]/{111}的比值较高,体现了织构的遗传性。 Microstructure,texture and magnetic properties of high grade cold rolled nonoriented electrical steel which made of hot rolled material with high temperature coiling and with normalization were studied.Steels coiled in high temperature(at 750 ℃),stacked with insulation cover for 96hand air cooled to 100 ℃ were using to manufacture high grade nonoriented electrical steel.The process can replace the normalization process.There are a lot of recrystallized grains in the surface layer of the coil wit... 

本发明涉及冶金技术领域，具体涉及一种硅锰镇静无取向硅钢的生产方法及浸入式水口。本发明提供的硅锰镇静无取向硅钢的生产方法，包括如下步骤：1)转炉出钢：转炉出钢后对钢水进行真空抽渣，抽渣结束后向钢水中加入石灰、萤石造渣，待渣料熔化后将钢水运至RH工位处理；2)RH真空精炼：将运至RH工位的钢水通过RH真空精炼处理后进行破空、出钢，出钢后在钢包渣面加入渣面脱氧剂以对炉渣进行扩散脱氧；3)连铸浇注：对加入渣面脱氧剂的钢水采用浸入式水口进行浇注。本发明提供的生产方法可有效改善浸入式水口的侵蚀状况，提高浸入式水口的使用寿命，增加连浇炉数，进而提高连铸坯质量稳定性，降低生产成本。

本实用新型公开了一种铁芯硅钢片卷料的上料装置，包括升降机构、固定座、转动执行机构和转动平台，所述固定座固定设置在地面上，所述升降机构相邻设置在固定座的一侧，所述固定座对立于升降机构的一侧设置有转动平台，所述转动平台的一端铰接设置在固定座上，且所述转动平台的另一端为自由端，所述转动平台在竖向面内朝向或远离于升降机构偏转，所述固定座上设置有转动执行机构，所述转动执行机构驱动转动平台转动；所述转动平台上的物料通过转动可位移至固定座和升降机构上，能够安全的、快速的将卷料转移至升降机构上，从而便于上料。

本实用新型公开了一种变压器铁芯硅钢片板材滚切后打磨装置，包括机体、导向机构、隔板、前端打磨体和后端打磨体，所述导向机构设置在机体上，且所述导向机构导向若干料带的位移，所述导向机构之间设置有若干隔板，所述前端打磨体设置在料带传送方向上的前端，所述后端打磨体设置在料带传送方向上的后端，且所述前端打磨体、后端打磨体分别设置在两两相邻的料带之间；传送状态下的料带切割边缘相对于前端打磨体、后端打磨体打磨。在料带传动的同时，通过前端打磨体和后端打磨体的相对运动同时对两个料带的边缘进行打磨，结构简单，成本低，且能够提升料带外观质量。

采用固溶强化、细晶强化和位错强化方法,模拟TSCR流程试开发高强度无取向电工钢,试开发钢的主要合金成分为3%Si、0.83%Al和2.99%Mn。分析热轧、常化、退火后的钢板组织,并针对不同的成品板组织,详尽地分析了相应的力学性能和磁性能。试验电工钢平均晶粒直径为12.37μm时,R p0.2为530 MPa,R m为618 MPa;当退火制度为700℃×4 min,成品组织完全为未再结晶的回复组织时,R p0.2为853.5 MPa,R m为895.5 MPa。该成分的电工钢P15/50或P10/400最小时,对应的平均晶粒直径都大于59.67μm;P10/800或P10/1000最小时,对应的平均晶粒直径都处于12.37~59.67μm尺寸区间。 TSCR was simulated to develop high-strength non-oriented electrical steel with 3% of Si,0.83% of Al and 2.99% of Mn by solution strengthening,grain refinement strengthening and dislocation strengthening.The microstructures of hot rolled plates,normalized plates and annealed plates were analyzed.Furthermore,the mechanical properties and magnetic properties of products with different microstructures were detailedly studied.As the average grain diameter of the steel was 12.37 μm,the yield strength ... 

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...