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研究了CSP工艺流程生产的硅含量为1.5%的无取向电工钢在不同常化温度下对磁性能的变化。研究结果表明:随着常化温度的提高,热轧板的晶粒尺寸增大,且组织均匀性提高;此外成品的有利织构组分{100}<0vw>、α、η增强,不利织构组分减弱;铁损P1.5/50呈下降趋势,磁感B50上升平缓。在常化工艺为970℃×2.5min下,对应的铁损P1.5/50<3.4W/kg,磁感B50>1.74T。 The effect of normalizing temperature on the magnetic properties of non-oriented electrical steel containing 1.5%silicon produced by CSP process was studied.The results show that with increasing normalizing temperature,the average grain size of hot-rolled plate increases and the microstructure uniformity is improved.Furthermore,the texture components of finished products are improved through enhancing of{100}<0vw>,αandηtextures and weakening of{111}<112>texture;the core loss P1.5/50 ... 
2014-03-28 177 5.8

采用铸坯低倍组织检验和化学分析的方法,研究板坯连铸机二冷区电磁搅拌器电流和频率参数对无取向电工钢XG800WR板坯中心偏析和等轴晶率的影响,结果表明:铸坯等轴晶率随着搅拌器电流强度和电流频率的增大而增加。采用二冷区电磁搅拌可减小中心易偏析元素S的偏析,试验得出:减小铸坯S偏析效果最好的电磁搅拌参数为电流380~400A,频率6Hz。 The effect of electromagnetic stirring current and frequency parameter at secondary cooling area on the central segregation and equiaxed crystal ratio of XG800WR non - oriented electrical steels slab was investigated through the methods of chemical and macrostructure analysis.The results shows that the rate of equiaxed crystal zone is going up with increasing of current intensity and current frequency.Electromagnetic stirring in the secondary cooling area can be easily reduced segregation caused... 
2011-01-28 208 5.8

该电磁钢板用涂敷组合物含有环氧树脂、潜伏性环氧树脂固化剂和热塑性弹性体,上述热塑性弹性体的熔点为100℃~200℃,并且弯曲弹性模量为超过5MPa且为100MPa以下,相对于上述环氧树脂与上述潜伏性环氧树脂固化剂的合计100质量份,上述热塑性弹性体的含量为10质量份以上且低于40质量份。
2021-06-17 163 6.8

通过对取向硅钢进行脉冲磁场退火实验,发现在相同的退火时间(6.0 min)内,低于1 T的脉冲磁场可以在一定程度上提高取向硅钢的磁感(B8),而高于1 T的脉冲磁场则会使取向硅钢的磁性能急剧恶化.同时发现,脉冲直流电加热方式会使取向硅钢的磁性能恶化.研究表明,脉冲磁场退火有望成为一种调控材料微观结构的有效手段. We have carried out experiments of annealing by pulse magnetic field.The results show that a pulse magnetic field with intensity lower than 1 T can promote magnetic induction density(B8) of grain-oriented silicon steel,while the magnetic properties deteriorate sharply when intensity is higher than 1 T.It has also been found that heating by using pulse direct current can cause the magnetic properties to deteriorate,in contrast to the traditional heating using resistance furnace.Our research shows... 
2011-01-28 218 5.8

电工钢试样加工产生的剪切应力会恶化钢板的磁性,对不同牌号硅钢片的横向、纵向试样退火前后磁性能的变化进行研究,结果表明:无取向硅钢片在剪切过程中横向、纵向的磁性受到剪切应力影响是不一样的。 The electrical steel sample processing magnetic of electrical steel will worsen due to the shear stress of sample. In this paper,the magnetic change of transverse,longitudinal specimens of different type of silicon steel sheet before and after annealing are studied. The results show that the magnetic of non- oriented silicon steel sheet affected in the process of shear is not the same in horizontal and vertical direction. 
2013-05-28 199 5.8

从取向硅钢生产路线的选择、工艺技术的改进和生产设备的改造三方面进行了生产取向硅钢的节能降耗技术改造.通过完善多元抑制剂配方生产低温取向硅钢,通过加抛丸的酸洗、带面超声波清洗、改进连续退火炉以及余热循环利用等技术改造,使2012年取向硅钢的产量与未进行技术改造前的2009年相比提高了2.5倍,产品磁性上升了一个半牌号,能耗下降了8.9%,成材率提高了6.4%,生产成本下降了22%,综合效益显著. Energy saving technological transformation was carried out in the production of grain oriented silicon steel from three aspects of the oriented silicon steel production process route selection,technology improvement and equipment renovation.Through the improvement of multiple inhibitor formulations for producing low-temperature grain-oriented silicon steel,and by adding the blasting pickling,the belt surface ultrasonic cleaning,improvement of continuous annealing furnace,waste heat recycling tec... 
2013-02-28 210 5.8

一种低温高磁感取向硅钢的热轧方法:经转炉冶炼并浇注成坯;对铸坯加热后进行粗轧:首先确定粗轧减宽量;根据所确定的粗轧减宽量进行粗轧;进行精轧;常规进行下工序。本发明采用低温板坯加热技术,降低了板坯烧损和修炉负担,且边裂发生率比现有技术的不低于18%的基础上能降低5%以上,由此节约资源及降低能耗。
2021-12-31 342 6.8

本实用新型涉及一种改进的点火器线圈硅钢片结构,包括E型件和I型件,所述E型件和I型件组合成日字形,它们可相互转动;所述E型件包括竖边和设置在竖边三个横边,三个横边分别为上横边,中横边和下横边,它们分别与竖边垂直连接;其中所述竖边的转角位置圆角处理,竖边外侧为弧形边;所述上横边的端面设置插缝;所述中横边的端头设置凹部;所述下横边的端头设置凸部;所述I型件上端两侧对称设置凹台;所述凹台具有弧形凹边;所述I型件通过凹台设置在插缝可以旋转。本实用新型设计新颖,改进巧妙,由于E型件具有弧形边可以有利于拾取,方便工作操作,E型件和I型件采用插合的方式,整体结构稳定,便于安装,增加了组合体的稳定性。
2021-08-20 176 6.8

本发明提供一种绝缘被膜的密合性和被膜张力优异的带绝缘被膜的方向性电磁钢板。是在方向性电磁钢板的表面具有以镁橄榄石为主体的基底被膜且在上述基底被膜的表面形成以硅磷酸盐玻璃为主成分的绝缘被膜而成的带绝缘被膜的方向性电磁钢板,通过使上述基底被膜和绝缘被膜中的Sr、Ca、Ba为特定的浓度梯度,从而使上述绝缘被膜的密合性和被膜张力提高。
2020-12-23 214 6.8

采用光学显微镜和X射线衍射仪研究了常化退火处理对无取向硅钢热轧板和成品退火板显微组织和织构的影响。结果表明:常化退火处理消除了热轧板中的变形组织,促使变形晶粒完成再结晶;常化退火处理使高斯织构和立方织构易通过再结晶在变形带内形核和长大,可显著降低成品退火板的{111}和{112}不利织构组分的占有率,提高{100}和{110}有利织构组分的占有率,从而有利于提高无取向硅钢成品板的磁性能。 The effect of normalizing annealing treatment on microstructure and texture of non-oriented silicon steel hot rolled plates and final products were investigated by means of optical microscope and X-ray diffractometer analysis.The results show that the deformed microstructure of the hot rolled plates transformed into recrystallized grain after normalizing annealing treatment.The grains of Goss texture and cubic texture crystallographic orientation were formed and grown by recrystallization in the... 
2013-02-28 215 5.8

本发明涉及一种高压电机用无取向硅钢50SBW600的制备方法,包括,S1,将装有精炼钢水的钢包运至回转台,回转台转到浇铸位置后,将钢水注入中间包;S2,中间包通过水口将所述钢水分配至若干个结晶器中,所述结晶器中设置有浸入式水口,S3,钢水在结晶器内生成晶核,结晶器将带有晶核的钢水下放至通道;S4,通道上设有第二电磁搅拌器,第二电磁搅拌器对通道内钢水进行电磁搅拌,所述钢水在通道中逐步转换为钢坯;S5,拉矫辊将的所述钢坯拉出通道并对钢坯进行形态矫正;S6,切断装置所述钢坯进行切割。本发明通过在无取向硅钢50SBW600制备过程中设置双电磁搅拌装置,充分保证连铸过程中钢坯中的等轴晶数量,保障了产品表面缺陷质量。
2021-04-13 154 6.8

研究了退火温度对3.1%Si无取向硅钢组织和磁性能的影响规律。结果表明:退火温度从940℃提高至1 000℃,平均晶粒尺寸由98μm增加到145μm,铁损P1.5/50从2.576 W/kg降低至2.408W/kg。随着退火温度的升高,γ不利织构组分强度逐渐降低,{111}〈112〉织构组分强度降低约16%,磁感B50逐渐升高,磁性能水平提高。 The effects of annealing temperature on microstructure and texture and magnetic properties of 3.1%Si non-oriented silicon steel were investigated in this paper.The results showed that,when the annealing temperature increased from 940℃ to 1 000℃,the average grain size of metallographic structure increased from 98μm to 145μm,the iron loss value P1.5/50 decreased from2.576 W/kg to 2.408 W/kg.And as the annealing temperature increased,the strength of the unfavorable texture componentγgrad... 
2022-01-28 214 5.8

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