硅钢资料

提出了一种基于爱泼斯坦方圈族(包括标准25cm爱泼斯坦方圈、缩比的17.5cm和20cm爱泼斯坦方圈)和二级加权处理方法对爱泼斯坦测试数据,包括有效磁路长度、比损耗、励磁功率,进行处理的晶粒取向电工钢磁性能扩展模拟方法。详细地考察了励磁频率、试样剪切角度和环境温度对爱泼斯坦方圈测量结果的影响。研究结果表明,利用本文提出的爱泼斯坦方圈组合以及二级加权处理技术,可以有效地建立取向电工钢损耗模拟模型,从而更加准确地确定了取向电工钢的损耗,改善并提高了爱泼斯坦磁性能测试数据的应用价值。 The extended modeling of the magnetic properties of GO(grain oriented) electrical steel is presented in this paper which is based on a set of standard and scaled-down Epstein frames and a proposed two-level weighted processing of Epstein data, including the mean magnetic path length, specific magnetization loss and exciting power. The effects of excitation frequency, strip angle and ambient temperature on the results obtained from the Epstein frames are investigated. It is shown that using the p... 

本发明揭示了一种新能源驱动电机用无取向硅钢及其生产方法。所述硅钢通过依序进行的炼钢、连铸、热轧、常化、酸洗、无预热单机架冷轧、退火、冷却、涂层和精整制备而成，炼钢时不添加Cu、Cr、Ni、Nb、V、Ti，硅钢的化学成分：Si:2.95％～3.15％，Al:0.75％～0.95％，Si+2Al:4.6％～4.9％，Mn:0.5％～0.7％，Sn:0.03％～0.04％，C≤0.0025％，余量铁；Mn/S≥380，Al/N≥200。本发明在保证磁性能的同时，提高了强度，解决了现有技术所存在的磁性能和强度的兼顾问题，能够满足新能源汽车的驱动电机上的应用要求。

硅钢连续退火线是无取向硅钢生产的成品线。由于受机组布置的影响,带钢经转向辊进出口活套后,当套量达到60%后就出现偏离生产线的情况,从而影响最终产品的质量及成材率,甚至损坏设备。针对某冷轧厂硅钢连续退火机组出口活套入口处带钢跑偏开展纠偏研究,利用Matlab对该纠偏系统进行动态仿真研究,分析系统的稳定性。 Silicon steel continuous annealing line is non oriented silicon steel production of finished product line.Due to the influence of unit layout,strip by roll Import & Export loop,when the set volume reached 60% after the emergence of deviation from the production line,thus affecting the quality of the final product and the rate of finished products,and even damage the equipment.For the export of continuous annealing line in cold rolling silicon steel strip deviation rectification loop at the e... 

本发明公开了一种极薄取向硅钢铁芯及其制造方法，所述制造方法，包括：S1、剪切分条：将取向硅钢根据制作铁芯的宽度要求进行分条剪切；S2、卷绕：根据铁芯的规格型号要求，选取铁芯模具进行卷绕；S3、压块固定：将卷绕好的铁芯用压块固定；S4、退火加工：将固定好的铁芯，阶梯式升温至780℃保温3h退火处理，保护气氛为氮气，之后冷却降温；S5、浸胶：将降温后的铁芯，进行真空浸胶处理；S6、烘干：将浸胶处理后的铁芯烘干处理；S7、装配。该发明制造的极薄取向硅钢铁芯，能彻底消除内应力，磁路各处均无高磁阻存在，空载电流与励磁电流均大幅度下降，从而最大限度的恢复了极薄取向硅钢加工后原有择优取向织构及电磁性能。

本发明公开了一种无瓦楞状缺陷的高磁感低铁损无取向电工钢板，其各化学元素质量百分含量为：0＜C≤0.0035％、Si：1.2～2.8％、Mn：0.2～1.0％、P：0.04～0.15％、Sn+Sb：0.02～0.2％，余量为Fe和其他不可避免的杂质。此外，本发明还公开了上述高磁感低铁损无取向电工钢板的制造方法，其包括步骤：(1)冶炼和连铸，其中在该步骤不采用电磁搅拌；(2)热轧，其包括：粗轧、精轧、卷取和均热；其中在粗轧步骤采用2～6道次进行轧制，且粗轧单道次压下率控制在20％～40％之间；(3)上述热轧步骤后不进行常化步骤而直接进行冷轧；(4)连续退火。本发明所述的无瓦楞状缺陷的高磁感低铁损无取向电工钢板在保证较低生产成本的同时，还具有高磁感和低铁损的特性。

作为一种具有优异高频铁磁性能的合金,Fe-6.5%Si(质量分数)高硅钢在高频工况条件下降损效果明显,对电气行业应用器件高频化、小型化、节能等具有十分重要的意义。通过与取向硅钢测量B-P数据对比,验证了高硅钢高频超低损特性,且轧制高硅钢与日本CVD法生产高硅钢存在基本相同的铁损值。采用国标Epstein Square法对0.30mm高硅钢薄板进行单片测试,并对由0.30mm高硅钢薄板首次装配成的电感器进行铁损测试,对比测试结果表明,元件测试与单片测试数据基本吻合,高磁感应强度条件下,元件测试结果略低于单片测试,分析原因为:线圈引起励磁压降;元件叠片间出现短路,电流增大,损耗增加;气隙板厚度过大。 As one core material with excellent high-frequency ferromagnetism,Fe-6.5%Si performs obviously reduction on core loss in high field frequency which means much to high frequency,minimization,energy conservation in electric industry.Super low loss was verified by drawing B-P curves based on detected experimental data,and which went equal to Fe-6.5%Si thin strip fabricated by CVD in Japan.Fe-6.5%Si was firstly fabricated as inductor in this research,and its core loss was determined for comparison w... 

借助OM、激光共聚焦显微镜、质谱仪和电解萃取等设备和方法，研究了添加微量稀土La（质量分数0.001 1%）的取向硅钢在轧制前采用不同加热保温时间对抑制剂固溶行为的影响。结果表明：当稀土取向硅钢在1 250℃分别保温10、20、30 min后，试验钢晶粒尺寸随保温时间延长有先快后慢的长大趋势；三种抑制剂元素Mn、Cu和Al均发生固溶，保温时间对Mn和Cu两种元素的固溶影响明显，固溶量分别由69.8%和43.7%增加至84.2%和85.2%；随着保温时间的延长，稀土取向硅钢中抑制剂的小尺寸未溶物逐渐减少直至消失，较大尺寸未溶物（300～600 nm）逐渐转变为小尺寸未溶物逐步溶入基体中，数量减少且未溶物的类型由复杂逐渐转变为单一。 In this paper the solid solution behavior of the inhibitor under various holding time in 0.001 1 %La oriented silicon steel during reheating had been investigated by using OM, LM, methods of electrolytic extraction and mass spectrometer. The results showed that grain size of the test steel increased significantly with the holding time prolonging when the rare earth oriented silicon steel was heated to1 250 ℃ and held for 10, 20 min and 30 min respectively, and the growth trend slowed down after ... 

本发明涉及无取向硅钢技术领域，尤其涉及一种改善高牌号无取向硅钢冷轧断带的控制方法。按重量百分比计：[Si+Al]≥4.0％；Mn、S含量满足：S≤0.0015，[Mn]/[S]:200～400；1)热轧过程中使用保温罩，热轧轧制时投入边部加热，头尾100米内卷曲温度提高15～30℃；2)常化机组圆盘剪进行边部剪边前增加加热装置，剪切后增加毛刺打磨装置，采用煤气明火加热，保证钢板温度在韧脆转变温度以上；3)圆盘剪间隙满足关系式：ds＝(0.15～0.45)d0ds:圆盘剪间隙，μm；d0:常化板板厚，mm；4)常化采用快速加热，控制钢带的预热段升温速度320～380℃/min，机组速度20～30m/min；5)常化工艺后，控制边部小于20μm的晶粒占比在5％以内。有效的减少了冷轧断带的发生，提高成材率1.30％以上，降低了生产成本。

通过热力学计算,分析了实验钢中主要析出物析出的可能性。结果表明:在液相和固液两相区中,AlN和MnS均不能析出;在奥氏体区,AlN和MnS具备热力学析出条件,平衡析出温度分别为1547、1582 K。成品退火板中的析出物主要为AlN和MnS。扫描电镜下观察到的AlN形貌多为长条状,MnS形貌多为棒状或近似球形。这两种析出物占了析出物总量的85%以上,尺寸集中分布在400~800nm;复合析出物主要是(Al2O3+MnS)和(AlN+MnS),形貌不规则,尺寸集中在0.7~1.5μm;透射电镜下观察到了少量100nm以下独立的AlN析出。 According to thermodynamic calculation, the precipitation probability of precipitates was analyzed, AlN and MnS can not precipitate in liquid phase area and solid-liquid two-phase area. In austenite area, both the AlN and MnS have precipitation condition in thermodynamics and precipitates at 1547 K and 1582 K, respectively. The precipitates in annealing plate are mainly AlN and MnS. The shape of AlN is mostly strip, and MnS is stick or near sphericity. They accounted for over 85% of the total qu... 

研究了冷轧大压下量,950℃退火时间对一种新型含铜无取向电工钢晶粒度和织构的影响。结果表明,大压下量冷轧,随压下量的增加,退火晶粒向γ线聚集,形成强{111}<112>织构。提高冷轧压下率,退火织构{111}<100>,{110}<001>强度减弱,增加退火时间,退火织构{111}<110>,{100}<001>,{110}<001>强度变弱。采用87.5%冷轧压下率和950℃退火60 s,有利织构{100},{110}占有率最大。 The effect of annealing(950 ℃) time with high cold rolling reduction on grain size and texture of a new non-oriented electrical steel containing copper was investigated.The results show that for high cold rolling reduction,most annealed grains are oriented along γ-fibre with increasing cold rolling reduction ratio and strong texture {111}<112> is formed.With increasing the cold rolling reduction ratio,the intensity of annealed texture {111}<110>,{011}<100> decreases.With increa... 

一种高强型高频电磁性能优异的硅钢薄带板，钢中化学成分按重量百分比计为：C≤0.0027％、Si3.10％～3.35％、Als0.80％～1.2％、Mn0.20％～0.85％、P≤0.050％、S≤0.0020％、N≤0.0020％、Ti≤0.0020％、V≤0.0020％、Nb0.0050％～0.080％，其余为Fe和不可避免的杂质。本发明的无取向硅钢薄带产品用于新能源汽车驱动电机的制造，其强度高，中高频电磁特性优异。

【摘要】 <正>据武钢股份公司提供的消息,武钢将与...