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对低温加热工艺生产的以AlN为主抑制剂的高磁感取向硅钢高温退火过程进行中断实验,借助电子背散射衍射技术对高温退火过程中高斯晶粒的演变进行了研究.在升温过程中高斯晶粒平均尺寸先减小再增大.800℃时取向分布函数图出现高斯织构组分,但强度很弱,高斯晶粒偏离角在10°以上;900℃时高斯晶粒平均生长速率超过其他晶粒;950~1000℃时高斯晶粒异常长大,偏离角3°~6°;在1000℃之前高斯取向晶粒相比于其他晶粒没有尺寸优势. The high-temperature annealing process of high permeability grain-oriented silicon steel with AlN as an inhibitor was studied by interrupting test.The evolution of Goss texture in this process was analyzed by electron back-scattered diffraction.It is found that the Goss grain size first decreases and then increases with the rise of temperature.Goss texture appears in the orientation distribution function at 800 ℃,but the intensity is very weak and the deviation angle is more than 10°.The average... 
2014-03-28 177 5.8

利用光学显微镜(OM)和扫描电镜(SEM)研究了不同稀土Ce含量的50W470无取向硅钢的铸坯、热轧板和冷轧退火板的宏观和微观组织,并采用磁性能测试仪测定其磁性能。结果表明:当稀土Ce的加入量从0增加到66×10-6(质量分数)时,铸坯的柱状晶平均宽度从3.82 mm减小到3.24 mm,等轴晶率从43.1%增加到51.3%;热轧板的平均晶粒尺寸逐渐增加,从26.2μm增加到33.3μm,再结晶百分数从24%增加到37%;退火板的平均晶粒尺寸从36.2μm增加到39.3μm;磁性能测试表明,微观组织的变化有利于50W470无取向硅钢铁损降低和磁感提高。 Macro-structure and microstructure of as-cast plate, hot rolled plate and cold rolled annealed plate of 50 W470 non-oriented silicon steel with different rare earth Ce content was studied by optical microscope(OM) and scanning electron microscopy(SEM), and their magnetic properties were measured by magnetic property tester. The results show that when the addition amount of rare earth Ce increases from 0 to 66×10-6(mass fraction), the average width of columnar crystal of the as-cast pl... 
2022-03-28 177 5.8

本发明涉及一种冷轧硅钢厚度缺陷识别方法、装置及系统,本发明的方法包括如下步骤:采集带钢设定厚度及其实际测量厚度并保存;将带钢实际测量厚度与带钢设定厚度相减得到实时厚度差;根据实时厚度差计算厚度缺陷评分;根据评分结果,确定带钢在厚度这一指标的缺陷等级。本发明评估过程考虑了厚度波动情况,并进行量化,能成功识别冷轧硅钢的厚度缺陷,设别准确性较高,提高了冷轧硅钢生产水平,为冷轧硅钢质量控制提供依据。
2021-10-26 177 6.8

取向硅钢热轧板中织构梯度对发展完善的二次再结晶十分关键,通过添加铜可以显著降低取向硅钢板坯加热温度,从而影响热轧板织构分布。利用X射线衍射仪,分析了实验室模拟薄板坯连铸连轧(TSCR)工艺的3种不同铜含量的取向硅钢热轧板织构。结果表明:不同铜含量热轧板表面到厚度1/4处均为弱的热轧织构,热轧板心部主要为{100}面织构;铜含量约在0.4%时,热轧板次表层的{110}<001>织构比例最高,而热轧板心部的{100}<110>织构比例最低;铜含量对热轧织构中{114}<110>和{001}<100>织构发展有显著影响。 The texture gradient in hot rolled grain oriented silicon steel strip is one of the essential factors to achieve a perfect secondary recrystallization.The addition of copper can significantly reduce the slab reheating temperature of grain oriented silicon steel,so as to impact the texture distribution in the hot rolled strip.The texture of hot rolled grain oriented silicon steel strip as-rolled by thin slab casting and rolling process(TSCR) in laboratory with three different copper contents was ... 
2011-01-28 177 5.8

本实用新型公开了E字型硅钢片的级进模冲压装置,属于冲压模具设备领域,所述下模具包括与冲孔凸模、冲方孔凸模、切断凸模分别对应且相适配的冲孔凹模、冲方孔凹模、切断凹模,所述上模具上设有对条料板进行输送的导料板,所述冲孔凸模、冲孔凹模均设有两对并且并排设置,且每对冲孔凸模、冲孔凹模均设有两个,每个所述冲孔凸模、冲方孔凸模、切断凸模的顶端均用微米级间隙固定安装于上模具上,所述冲孔凹模、冲方孔凹模、切断凹模的底端均用微米级间隙固定安装在下模具上。本实用新型中各个凸、凹模分别采用硬质合金拼块、镶块式的结构并用微米级间隙固定安装在上、下模具上,这样不仅可节省材料的费用,同时还便于人们后期对模具的维修和使用。
2021-03-10 177 6.8

阐述了国内外高磁感取向硅钢的生产研究水平与发展趋势,包括通过提高高斯晶粒取向度、细化磁畴、涂覆张力涂层、减薄钢片厚度进一步降低铁损以及低温加热技术和短流程技术新工艺。分析高磁感取向硅钢在我国大型电力变压器上的应用情况,结果表明,发展更薄规格高磁感、低铁损、低磁致伸缩取向硅钢可为大型变压器的安全性、节能性及环保性提供有效保障。 The research progress and development trend of high magnetic induction grain-oriented silicon steel at home and abroad are summarized,including the technology of improving the Goss alignment,refining domain wall,adding stress coating,decreasing thickness of sheet,and the new technique of reducing heating temperature of casting slab and shortening operational.Moreover,the application of high magnetic induction grain-oriented silicon in power transformer is presented.Developing grain-oriented sili... 
2014-11-28 176 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... 
2013-02-28 176 5.8

本实用新型涉及一种取向硅钢氧化镁线涂层装置,尤其涉及一种取向硅钢氧化镁涂层线用冷涂辊,具有涂层辊本体及包覆在涂层辊本体外层的橡胶涂层;涂层辊本体内部为空腔结构,空腔结构内通有循环冷冻液。本实用新型涂层辊内部设计成空腔结构,并通过循环冷冻液对涂层辊进行冷却降温,既可以达到通过涂层辊对氧化镁进行降温的目的,从而满足工艺要求,防止质量缺陷的产生,还可延缓涂层辊因反复摩擦生热造成橡胶层老化,从而延缓涂层辊使用寿命。
2021-12-18 176 6.8

本发明公开了一种用于无取向硅钢清洗液的洁净度检测分析方法,包括以下步骤:步骤1:从清洗液循环槽中取含有污物的清洗液样品,并进行脱水、烘干、研磨,得到污物粉末样品;步骤2:根据含有污物的清洗液样品和污物粉末样品计算清洗液循环槽中清洗液的洁净度;步骤3:根据含有污物的清洗液样品的洁净度建立清洗液洁净度评定标准;步骤4:根据清洗液洁净度评定标准控制含有污物的清洗液的排放和换液。本发明能简便且直观的了解当前清洗段循环槽内清洗液的状态,并可以根据清洗液的洁净度评级对清洗液的使用和排放做出及时的在线调整。
2021-06-21 176 6.8

通过对激光粒度分析仪测量硅钢级氧化镁(MgO)的分析条件进行优化,如分散介质、分散方式、样品预处理、仪器暗淡度等,探讨了硅钢级MgO粒度范围测量重现性较好的试验方法,满足硅钢生产过程控制对MgO粒度的要求。 The analysis condition of the laser particle size analyzer on grain oriented silicon-steel grade magnesium oxide is optimized,including the dispersion medium,dispersion methods,sample preparation,and instrument obscuration,etc.Therefore,particle size measurement with good reproducibility for silicon-steel magnesium oxide is discussed,which may meet the requirement of MgO particle size for silicon-steel process control. 
2011-02-28 176 5.8

本发明的一种超低碳含钇取向硅钢及其制备方法,化学组成及质量百分比为Si:2.0~4.5%,C:≤0.003%,Y:0.001~0.1%,Mn:0.1~0.25%,Al:0.01~0.02%,Cu:0~0.3%,S:0.02~0.035%,N:0.009~0.011%,其余为Fe和不可避免的杂质元素。生产工艺为:连铸、铸坯加热、热轧、常化、冷轧、初次再结晶退火、二次再结晶退火。本发明采用超低碳的成分,取消了常规取向硅钢脱碳退火工艺,简化了生产流程。通过稀土微合金化解决了因超低碳成分导致的单向铁素体组织抑制剂析出困难的技术难题。本发明制备的含钇取向硅钢厚度为0.2~0.35mm,磁感应强度B8为1.85~1.94T,铁损P17/50为0.9~1.2W/kg,可以用于变压器的铁芯材料,制备流程更为简洁。
2021-12-02 176 6.8

1.本外观设计产品的名称:硅钢片横剪线。;2.本外观设计产品的用途:对硅钢片料带的冲切、裁断。;3.本外观设计产品的设计要点:在于形状与图案的结合。;4.最能表明设计要点的图片或照片:立体图。;
2021-06-09 176 6.8

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