硅钢资料

本发明一种基于冷轧全流程数据的硅钢铁损预测方法，其对冷轧硅钢进行全流程物料跟踪，以基于聚类算法分类，并选取代表性工艺作为神经网络的训练集来对冷轧硅钢铁损进行预测，以探明冷轧各机组工艺对冷轧硅钢铁损的影响。

研究了冷轧95%变形量无取向硅钢不同退火温度(710～1 050℃)下再结晶织构特征.再结晶刚完成时(710℃退火),呈现强γ({111<112>～<134>)与弱{114}<481>织构特征;随退火温度升高至900℃,γ明显减弱,{114}<481>组分持续增强,形成典型的{h,1,1}<1/h,1,2>织构;进一步升温至1 050℃,再结晶织构不再发生明显变化.基于EBSD分析,{114}<481>组分的持续强化可归因于其明显的尺寸优势以及较高频率的高能晶界(取向差角为20°～45°). A non-oriented silicon steel was heavily rolled to 95% reduction and subsequently annealed at 710~1 050 ℃ to investigate recrystallization texture evolution.When annealed at 710 ℃ with complete recrystallization,the texture is characterized by a strong partial γ fiber spreading from {111}<112> to {111}<134> and a weak {114}<481> component.As annealing at 900 ℃,γ fiber is decreased significantly while {114}<481> is increased consistently,producing a typical {h,1,1}<1/h,... 

本实用新型公开了一种取向硅钢毛刷辊损耗检测装置及钢带刷洗机构。该取向硅钢毛刷辊损耗检测装置包括：固定基座，设置于刷辊的辊面侧方；压力测试元件，用于与刷辊的刷毛相顶压并测试刷毛对测力件的压力；接近机构，连接压力测试元件与固定基座，驱动测力件朝向或者背向刷辊运动。该取向硅钢毛刷辊损耗检测装置中的接近机构带动压力测试元件向刷辊一侧运动，直至刷毛与压力测试元件相顶压，当压力值至预定范围后，获得接近机构带动压力测试元件朝向刷辊的运动量，进而获得刷毛的损耗量；保证钢带刷洗清洁效果的同时，降低刷辊维护成本。

研究了激光加热辅助圆盘剪高速切割技术,以解决现有冷轧生产线硅钢切边技术存在的微裂纹、应力、毛刺和边浪等问题。建立了激光加热温度场有限元分析模型,根据生产线上圆盘剪加工的实际过程,探讨了数值模拟中热源的加载形式,研究了激光对板材进行辅助加热时各个工艺参数如激光功率、光斑尺寸以及激光入射角度对切割工艺的影响,并通过实验对工艺参数进行了优化。最后,进了验证实验。实验结果显示:当激光加热点运动至圆盘剪刃口位置时,温度为100℃左右,此时材料硬度降低到原有硬度的70%~80%,降低了切削力,减少了圆盘剪的磨损,可有效提高圆盘剪的寿命。 Laser assisted trimmer side cutting technology was studied to overcome the problems such as micro cracks,stress,burrs and edge waves existing in a cold rolling production line of silicon steel side cutting.A finite element analysis model for the laser hearting temperature field was established, the loading form of a heating source was determined and influences of various processing parameters like laser powers,spot sizes,and laser incident angles on laser assisted heating sheet materials were di... 

【作者】 康凌晨； 王丽娜； ...

本实用新型属于钢带剪切技术领域，具体涉及一种用于硅钢生产的碎边设备，包括收集斗、限位机构、输送机构和剪切机构；限位机构包括两个限位块；输送机构包括输送滚轮和驱动件；剪切机构包括连通筒、动力件和固定筒，固定筒内滑动连接有活塞；连通筒的一侧内滑动连接有第一塞座，连通筒的另一侧内滑动连接有第二塞座，第一塞座上设有第一剪切刀，第二塞座上设有第二剪切刀，第一剪切刀与第二剪切刀交错设置，第一剪切刀的侧面能与第二剪切刀的侧面接触；动力件用于驱动活塞往复运动。使用本设备，能够有效的对废钢带进行剪切、碎边，使废钢带形成尺寸规格相对较小的片状，使收集斗能够容纳更多的废钢带，有效提高收集斗的收纳能力。

本发明公开了一种激光刻痕降低取向硅钢铁损的制造方法，采用0.23‑0.35mm厚取向硅钢作为原材料，钢带在拉伸热平整线出炉后进行激光刻痕处理，细化磁畴，进而降低取向硅钢成品铁损值，达到优化磁性能的目的。本发明的激光刻痕处理后取向硅钢的铁损改善率可达到9‑16％，且经过500℃以上退火后，铁损又恢复到刻痕前状态。

对熔融态钢液进行处理,研究了电脉冲对于取向硅钢凝固组织的影响作用,利用正交试验法研究了脉冲电容、频率、处理时间和电压等脉冲参数的作用效果。结果表明:电脉冲对钢锭晶粒组织具有明显的细化作用,凝固组织的等轴晶比例大幅上升,影响等轴晶比例的最显著性因素为脉冲频率,最优正交试验参数为电容1 200μF,脉冲频率1 Hz,处理时间5 s,脉冲电压800 V。随着输入能量的增大等轴晶率先增大后减小,脉冲输入能量为某值时,等轴晶率最大,利用经典形核理论和热力学对这一现象进行了解释。 The influence of electric pulse on the solidification structure of oriented silicon steel was investigated by applying electric pulse in molten steel.The affection due to different electric pulse parameters such as electric capacity,frequency,applied time and voltage was studied by orthogonal design test.The result showed that solidification structure of oriented silicon steel could be improved by the electric pulse,and the equiaxed crystal ratio increased obviously.The most influential paramete... 

【作者】 党其； ...

阐述了电工钢在\"双碳\"中的作用,强调了电工钢的生产工艺技术及在减少碳排放、降低能耗中的作用,对下游能效升级带来明显的节能及降碳成果。同时,分析了2021年电工钢的生产运行情况,介绍了电工钢的未来发展,并针对如何减少碳排放以及生产更多的更低铁损、更高磁感的电工钢谈了几点启示。 The effects of electrical steels on carbon peak and carbon neutralization were expounded,especially on the achievements of obvious energy saving and carbon reduction to the downstream energy efficiency upgrading bringing from the production technology of electrical steels and their effects to reducing carbon emission and energy consumption.Meanwhile the production situation of electrical steels in 2021 was analyzed,and the future development of electrical steels was introduced,and some advices w... 

采用\"热轧复合+冷轧减薄+退火\"方法成功制备了0.20mm厚的硅浓度梯度高硅钢薄带,并采用SEM和X射线衍射技术对制备过程中组织和织构演变进行了研究。热轧复合板微观组织呈明显层状分布,复合界面为紧密冶金结合且经过83%的大冷轧变形未开裂。热轧和冷轧复合板带中均形成强α和γ织构,再结晶退火后形成强γ织构。冷轧和退火织构沿板厚呈显著的梯度分布特征,其主要来自于复合界面两侧硅浓度和初始热轧织构的差异性以及冷变形的不均匀性。 Gradient high silicon steel thin sheets with thickness of 0.20 mm were successfully produced by the rolling and annealing method,including hot rolling bonding,cold rolling,and annealing.Microstructure and texture evolution was investigated by means of SEM and X-ray diffraction.Microstructure of hot-rolling-bonding shows obviously layered distribution,the composite interface was closely metallurgical bonding and no cracking appears even after 83%cold rolling.Strongαandγfibers develop in the hot a... 

本发明涉及一种低耗高效硅钢常化酸洗工艺及酸洗设备，其有效利用常化炉出口余温作为加热带钢的介质，使带钢与低温的酸液接触表面发生强烈的物理化学反应，快速酸洗剥离表层粗大的氧化铁皮，降低酸洗系统的酸液温度，通过调控溶液氧化还原特性提高酸洗效率去除残留的铁橄榄石，节约了能耗，同时取消了高投资高运行成本的抛丸工艺，实现了低耗高效硅钢常化酸洗的目的。