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采用中、厚板坯生产技术对取向硅钢进行了研制和开发,对热轧及后工序样品进行了金相组织观察和EBSD分析,探讨了两种组织及织构的差异性,研究结果表明:除高温退火样品外,中板坯生产的取向硅钢各工序样品平均晶粒尺寸大;厚板坯生产的取向硅钢热轧和常化样品亚表层Goss织构强;中板坯和厚板坯的脱碳退火板织构没有明显区别。中板坯生产的取向硅钢成本低,产品磁性能和质量与厚板坯相当。 Grain oriented silicon steel was researched and developed by medium thickness slab and thick slab.Microstructures observation and EBSD analysis to the samples of hot rolling and following processes were carried out,respectively.The differences between the two kinds of microstructures and textures were discussed.The results show that the average grain sizes of every process samples are larger except that of high temperature annealing samples of grain oriented silicon steel produced by medium thic... 
2014-03-28 199 5.8

本实用新型涉及一种取向硅钢高温退火设备,尤其涉及一种取向硅钢全氢式高温罩式炉外罩,从外至内包括圆柱形外壳和耐火保温层,所述耐火保温层内壁铺设有电阻带;所述圆柱形外壳上部设有外罩顶盖;所述耐火保温层由陶瓷纤维模块堆砌而成,所述电阻带通过钉子铺设在陶瓷纤维模块上;电阻带头一端通过接线棒引出炉壳外,另一端中性点在炉内短接。本实用新型保温层内层采用模块化的高纯度陶瓷纤维代替耐火砖,该材料具有重量轻、蓄热少,低导热性能带来高的节能效果,具有抵抗热冲击的能力,加上模块化的结构,安装快捷,衬体无需烘干和养护,所以安装好以后便可立即投入使用。
2021-12-18 199 6.8

本申请提供了一种高强度变压器取向硅钢片,属于变压器硅钢片领域,该一种高强度变压器取向硅钢片,包括第一硅钢片本体和固定机构,所述第一硅钢片本体表面开设有两个第一通孔、两个第一通槽和一个第二通槽,所述第一通槽间隔设置在两个所述第一通孔之间,所述第一硅钢片本体表面设有滑条,所述第二硅钢片本体插接在所述通槽内,所述第一螺纹杆插接在所述第二通孔内,所述第二螺纹杆插接在所述第一通孔内,所述螺帽螺纹连接在所述第一螺纹杆和所述第二螺纹杆两端,该一种高强度变压器取向硅钢片能够将垂直和横向均产生拉力来固定硅钢片减轻了振动,噪音小且利用凹槽和滑条进行堆叠能够精确的将硅钢片表面的通孔对齐。
2021-05-25 199 6.8

根据本发明的一个实施例的取向电工钢板,其中存在于电工钢板表面的沟槽以及与沟槽底部相连的再结晶和其他再结晶的平均取向度差为0.5°至10°。
2020-12-18 198 6.8

轧制力是影响冷轧带钢厚度精度的关键因素。为实现高精度的冷轧带钢厚度控制,通过优化变形抗力模型参数和摩擦系数模型参数提高冷轧轧制力模型计算精度,并使用指数平滑法的自学习算法保证轧制力精度的稳定性。在首钢股份公司迁安钢铁公司20辊森基米尔轧机生产线进行S12硅钢钢种轧制力优化试验,将优化的模型参数应用于L2并投入现场生产,结果表明该优化方法不仅提高了轧制力设定精度,而且减小了冷轧硅钢的厚度超差长度,提高了成材率。 The rolling force is the key factor which influences the accuracy of cold-rolling strip thickness. To implement high precision control of cold-rolling strip thickness,we optimize the deformation resistance model parameters and friction coefficient model parameters to improve the calculation precision of cold-rolling force model,and use exponential smoothing self-learn algorithm to ensure the stability of rolling force accuracy. In Shougang Qiangang 20-high Sendzimir mill single stand production ... 
2014-05-28 198 5.8

本发明提供退火隔离剂的制备方法以及退火隔离剂和方向性电磁钢板。由该方法得到的退火隔离剂纯度高、分散性以及密接强度优异,可以在方向性电磁钢板表面形成均匀致密的镁橄榄石层。退火隔离剂的制备方法,其包括:工序(1):将氧化镁和铵盐溶液混合并反应,制备镁盐溶液和氨,然后使精制的镁盐溶液与氨反应而得到氢氧化镁;工序(2):将得到的氢氧化镁的一部分在155~230℃下高温熟化,并且将得到的氢氧化镁的另一部分在10~100℃下低温熟化;工序(3):将在上述各条件下熟化的氢氧化镁混合、烧成,得到氧化镁用于退火隔离剂。
2021-06-18 198 6.8

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 ... 
2013-04-28 198 5.8

本发明公开了硅钢片铁芯生产线,包括放卷机构、剪切机构、送料机构、叠片机构和下料机构,送料机构包括磁性传送带、送料件和第一定位杆,磁性传送带包括上传送带和下传送带,送料件可沿磁性传送带的正交方向平行伸出,其中,第一送料分台和第二送料分台安装于上传送带的下方并且相背运动,第三送料分台和第四送料分台安装于下传送带的下方并且相背运动,第一定位杆用于定位硅钢片,叠片机构包括叠放台、悬梁和两个六自由度机械手,六自由度机械手吊装于悬梁上,包括有电永磁铁,用于吸取硅钢片,下料机构包括滑板,叠放台放置于滑板上。根据本发明的硅钢片铁芯生产线,可提高设备自动化程度,提高叠片速度,从而提高生产线的生产效率。
2020-12-30 198 6.8

研究表明,硅钢中的夹杂物对成品带钢的磁性能有显著影响。为研究冶炼过程硅钢中的夹杂物遗传变化,进而提出更有效的控制措施加以去除,本文结合典型的无取向硅钢生产炉次,采用非水溶液电解提取+扫描电镜观察方法分析冶炼过程中上述炉次典型试样的夹杂物。结果表明:转炉冶炼结束、RH精炼开始时,钢的氧化物夹杂总量最大,约为0.23%;RH精炼过程中,氧化物夹杂总量不断降低,并在脱碳结束时达到最低,约为0.02%;连铸过程中,氧化物夹杂总量仍有不断降低趋势,但夹杂物的平均尺寸变化不大。本试验条件下,中间包试样的夹杂物数量约为1.59×104个/mm3。 As we all know, the non-metallic inclusion effects magnetic properties of silicon steel sheets obviously. The article aims to study the heredity of non-metallic inclusion in non-oriented silicon steels during the steel making process, and then provides a more effective controlling measure to remove the inclusions. Based on the typical non-oriented silicon steel charges, the non-aqueous solution extraction and SEM observation were adopted to analyze the non-metallic inclusions. Results show that,... 
2014-05-28 198 5.8

研究了退火温度和退火时间对电沉积硅钢试样中的断面层组织、硅在试样中的分布情况、织构分布和磁性能的影响。结果表明:退火温度为1000℃、退火时间为210 min时得到的试样晶粒分布均匀、硅在试样中分布均匀、硅平均浓度为6.3715%(接近6.5%)。试样的织构分析及磁性能检测的结果表明,在较高温度下延长退火时间可增加{100}和{110}面织构,降低铁损,所得试样的磁性能较为良好。 The effect of annealing temperature and time on the microstructure, distribution of silicon,texture and magnetism of the high silicon steel prepared by electrodeposition was investigated. The results showed that after annealing at 1000℃ for 210 min, the mean grain size of steel was about 190 μm with a uniform grain size distribution, and the silicon is also uniformly distributed on the entire cross section with an average Si concentration 6.3715%(close to 6.5%); With the increasing annealing tim... 
2014-07-28 198 5.8

6.5%Si硅钢具有优异的磁学性能和广泛的应用前景。本文综述了6.5%Si硅钢的物理、机械及磁学特性,讨论了传统轧制、温轧、薄带连铸、快速凝固、CVD、粉末轧制等不同制备工艺的关键技术及特点,概括了6.5%Si硅钢在高效节能电机、汽车马达及磁屏蔽等领域中的主要应用,介绍了硅钢的制备技术取得的研究进展,并指出了其广阔的发展前景。 6.5% Si silicon steel has good magnetic properties and wide applications.In this paper physical and mechanical magnetic properties were summarized,and key technology and characteristic of several preparation methods,such as traditional rolling,warm rolling,thin strip continuous casting,rapid solidification,CVD and powder rolling,were discussed.Main applications of 6.5% Si steel in the fields of high-efficiency electrical motors,automobile motors,transformer cores and magnetic shielding were gene... 
2012-06-28 198 5.8

通过固溶度积公式计算及热模拟实验,对不同热装和加热温度条件下的无取向硅钢铸坯中析出相进行了研究.在低于950℃热装时,铸坯中AlN的析出量和尺寸不再变化,但MnS和AlN-MnS的数量及平均尺寸随着热装温度降低而进一步增加,并在温度低于600℃时达到最大值后保持不变.与1200℃相比,1100℃加热的铸坯中AlN、MnS的总固溶量相对更少.相比850℃热装,600℃热装再加热到1100℃的铸坯中AlN和MnS的总固溶量更少,且AlN和MnS尺寸更大.合适的热装温度和加热温度分别为600℃和1100℃. Based on solubility product calculation and thermal simulation experiments,precipitated phases in continuous casting slabs of non-oriented silicon steel were systematically studied at different hot charging and heating temperatures.When the hot charging temperature is below 950 ℃,the content and size of AlN remain unchanged,but the quantity and size of MnS and AlN-MnS increase when the hot charging temperature decreases,reach maximum and remain unchanged when the hot charging temperature is belo... 
2013-08-28 198 5.8

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