硅钢资料

为研究退火工艺对普通取向硅钢初次再结晶组织的影响,对经不同温度、保温时间和升温速率退火后的材料组织进行了分析。结果表明:在等温退火条件下,加热至600℃时开始发生初次再结晶,800℃以上初次再结晶组织发展完善;而在最终冷轧板直接进行最终高温退火的情况下,加热温度在500～700℃时,将升温速率提高到80℃/h,初次再结晶组织更易于发展完善。 To investigate the influence of annealing process on the recrystallization of common grain oriented silicon steel,microstructures of sheets annealed at different temperature,soaking time and heating rate are observed.Results show that under the condition of isothermal annealing,recrystallization begins at 600℃ and fully develops above 800℃,while in the case that the final cold rolled sheets are directly thrown to final high temperature annealing,recrystallization is likely to develop with the he... 

阐述了影响硅钢卷材下料利用率的因素,并结合具体事例利用计算机排样系统进行了详细分析,对提高硅钢卷材的利用率具有一定的指导作用。 It describes the factors influenceing the the utilization ratio of the roll of Silicon steel,and analyzes it in detail combined with concrete examples by a computer arrangement system,which can give a guide for increasing the utilization ratio of the roll of Silicon steel. 

利用OM、EBSD等手段研究了热轧板两段式正火时在700℃保温不同时间(0、10、30、60 min)对含Sb冷轧无取向电工钢磁性能的影响。结果表明,700℃保温10 min处理的样品铁损最小,磁感最高。对成品板的组织分析结果表明,试样的晶粒尺寸随700℃保温时间的延长先增大后减小,保温10 min时晶粒尺寸达到最大;分析成品试样织构发现,有利织构组分随700℃保温时间的延长先增加后减少,保温10 min时有利织构组分所占百分比最高。因此,含Sb冷轧无取向电工钢两段式正火时在700℃保温10 min时磁性能最好。 Effect of two-stage normalization on magnetic property of non-oriented electrical steel containing antimony was investigated by using optical microscope(OM) and electron back-scattered diffraction technology(EBSD).The experimental results show that the iron loss and magnetic permeability of the specimen insulated at 700 ℃ for 10 min are lowest and highest respectively.The grain size of the finish specimens increases first and then decreases with the increase of holding time.Similarly,the advanta... 

介绍了攀钢冶炼电工钢过程硫含量变化以及过程回硫、增硫情况,采取针对性措施,如:提高铁水装入量、转炉采用石英砂代替复合造渣剂造渣、RH脱硫等,降低钢中硫含量。结果表明:采取相应措施后,电工钢炼成率大幅提高,成品w[S]≤0.008%的比例由改进前的62%提高到92.4%,取得了明显的冶金效果。 The resulfurization and the change of sulphur content in production of electrical steel is analyzed.The targeted measures have been taken,such as increase the loaded quantity of liquid iron,quartz sand replaces the composite slagging agent in the converter and RH desulfurization to decrease the sulphur content of the steel.The result shows,after the measures have been taken,the finished product ratio of electrical steel increase a lot.The ratio of sulfur content of finished product no more than ... 

采用双辊薄带连铸工艺试制了2.6 mm厚5.28%Si-1.11%Al高硅钢薄带,对比了1050℃×5 min正火及不正火铸带280℃冷轧至0.5 mm后,再经900～1100℃退火的磁性能。结果表明,高硅钢铸带显微组织为等轴晶组织,正火后铸带边部晶粒长大,中心层晶粒变化较小。成品中析出物主要为较粗大的AlN和AlN+MnS复合析出物,尺寸为0.5～2.5μm。与不正火试样相比,正火试样成品铁损大幅降低,磁感小幅下降;随退火温度的升高,两种工艺下铁损和磁感都是先降低后升高,在1050℃出现最低值。 2.6 mm thickness 5.28% Si-1.11% Al non-oriented high silicon steel was produced by twin roll thin strip casting.Magnetic property of the strip un-normalized and normalized at 1050 ℃×5 min was contrasted after cold rolled to 0.5 mm at 280 ℃ and 900-1100 ℃ final annealing.The results show that microstructure of the strip is equiaxed crystal.The surface grain is coarsened and the center layer grain has little change of the normalized strip.The main precipitates are AlN and MnS+AlN with 0.5-2.5 μm s... 

研究了薄板坯连铸连轧流程(TSCR)条件下热轧工艺对3.2%Si-0.7%Al无取向硅钢组织、织构演变及磁性能的影响规律。结果表明,提高均热温度和热轧温度有助于获得粗大的变形组织和强烈的{001}〈110〉织构,进而对后续的组织、织构演变进程及磁性能产生有利的遗传影响。与低温均热和低温热轧相比,高温均热和高温热轧得到的最终成品板的再结晶晶粒较粗大,λ纤维再结晶织构较强而γ纤维再结晶织构较弱,磁感应强度较高。 It was investigated that the effects of thin slab cast rolling(TSCR) hot rolling processes on microstructural,textural evolution and magnetic properties of 3.2%Si-0.7%Al non-oriented silicon steel.The results show that much larger hot rolling deformed microstructure and much stronger {001}〈110〉 texture could be obtained by increasing the soaking and hot rolling temperatures,which had good heritable effects on subsequent microstructural,textural evolution and magnetic properties.The final sheets ... 

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。

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。

本发明公开了一种高磁感取向硅钢，其含有Fe及不可避免的杂质元素，其还含有质量百分含量如下的下述各化学元素：C：0.02～0.08％，Si：2.0～4.5％，Mn：0.02～0.30％，S≤0.0050％，Als：0.01～0.04％，N：0.002～0.01％，Nb：0.0050～0.0600％；以及P：0.01～0.1％，Sn：0.01～0.30％，Cu：0.01～0.50％的至少其中一种。此外，本发明还公开了上述高磁感取向硅钢的制造方法，其包括步骤：(1)制得板坯；(2)板坯加热；(3)热轧，其包括：粗轧、在热卷箱内卷取保温，以及精轧；其中粗轧结束温度高于970℃；卷取温度为800～1050℃，卷取时间为30～200s；精轧开始温度低于1050℃；(4)冷轧；(5)脱碳退火；(6)渗氮；(7)涂覆退火隔离剂；(8)高温退火；(9)涂覆绝缘涂层和激光刻痕。

本实用新型公开一种稀土永磁变频电机加工硅钢片冷却装置，包括左、右间隔设置的悬架端杆；悬架端杆之间装配连接有若干个前后间隔设置的硅钢片卷料收卷部件，硅钢片卷料收卷部件均包括转动连接在悬架端杆上的旋转座，旋转座之间固定连接有若干个折形搭料杆，折形搭料杆包括横杆部，所述横杆部的左右两端均具有一体成型的折形端，折形端均固定连接在旋转座上；硅钢片卷料收卷部件之间通过传动部件传动连接；上述装置还包括若干个装配连接在悬架端杆顶部之间的风冷部件。采用上述装置部件设计实现对热处理加工的硅钢片快速卷绕，并且卷绕收卷过程中快速对物料进行冷却，有效提高了加工过程中硅钢片物料的冷却、收卷效率。

研究了CSP流程试制50W270高牌号无取向硅钢热轧→常化→冷轧→退火过程中织构的演变.利用电子背散射衍射技术对全流程织构进行测量和分析.发现热轧板织构在厚度方向上存在较大差异,表层主要为铜型、黄铜和高斯织构,1/4层存在微弱的高斯织构和旋转立方织构,中心层以γ纤维织构和旋转立方织构为主,还含有较弱的α纤维织构.与热轧板相比,常化板表层和1/4层织构变化不大,中心层旋转立方织构和α纤维织构增强.冷轧板各层均具有α纤维织构和γ纤维织构.与冷轧板相比,成品板各层中α纤维织构基本消失,还出现了立方织构和高斯织构. This article focuses on texture evolution in 50W270 high-brand non-oriented silicon steel produced by CSP in hot rolling,normalizing,cold rolling,and annealing processes.The texture in the whole process was measured and analyzed by electron back-scatter diffraction.It is found that the texture along the thickness direction in hot-rolled strips changes obviously;there are mainly copper,brass,and Goss textures in the surface layer;the 1/4 layer has weak Goss texture and rotating cube texture;γ-fib... 

本发明公开了一种高磁感取向硅钢实验室轧机一次冷轧方法，包括：1)取样，实验室冷轧材料选取经过常化酸洗后的厚度为2.3mm的取向硅钢试样；2)制样，利用取向硅钢专用剪板机，裁剪试样尺寸为轧向600mm×横向150mm；将试样表层轻涂一层薄薄的轧制油；3)冷轧轧制规程制定，轧前厚度为2.3mm；其中：轧制总道次为6次时轧后厚度为0.35mm，轧制总道次为7次时轧后厚度为0.27mm，轧制总道次为8次时轧后厚度为0.23mm。本发明的目的是提供一种高磁感取向硅钢实验室轧机一次冷轧方法，为工业试制提供一定的技术参考，以及后续工艺研究提供了更加可靠的试样和条件。