硅钢资料

测试了高强无取向电工钢的S-N曲线,并借助光学显微镜、扫描电子显微镜、透射电子显微镜分析了实验钢组织,疲劳断口形貌和位错结构。结果表明:室温条件下,频率为20Hz,应力比R为0.1,循环10~7周次时,实验钢的疲劳强度为360MPa,疲劳裂纹萌生于实验钢的次表面,裂纹萌生点附近有沿晶开裂现象,疲劳裂纹扩展区域有解理台阶与疲劳条纹,瞬间断裂区是韧性断裂,有大量韧窝。实验钢在循环应力作用下基体中产生了大量位错,并有驻留滑移带终止在晶界位置。 The S-N curve of a high strength non-oriented electrical steel was tested.The microstructure and fatigue fracture morphology and dislocation were analyzed by optical microscope,scanning electron microscope,transmission electron microscope.The results showed that:at room temperature and the frequency of 20 Hz and the stress ratio Rof 0.1,the fatigue strength of the experimental steel was 360 MPa when the cycle was 10~7 cycles.The fatigue crack initiation at the surface of the steel and the interg... 

本实用新型涉及钢卷加热装置技术领域，且公开了一种用于硅钢片钢卷制造的加热装置，目前硅钢片钢卷加热不均匀的问题，其包括加热箱，所述加热箱的内腔一侧活动安装有主动轴，主动轴的外侧固定安装有主动齿轮，主动轴的左侧固定安装有位于加热箱外侧的电机，主动轴的两侧均活动安装有从动轴，两个从动轴的外侧均固定安装有从动齿轮，本实用新型，通过电机和主动轴以及主动齿轮的配合，可使得主动轴转动，并通过主动齿轮与两个从动齿轮的啮合，进而使得从动齿轮和主动齿轮同时转动，并通过两个加热盘对加热箱内部进行加热，从而使得固定盘和连接盘之间的钢卷边转动边加热，从而解决了硅钢片钢卷加热不均匀的问题。

本发明涉及一种电力变压器取向硅钢片自动化加工系统，包括支撑台、支撑板、传动机构、堆叠机构和调整机构，所述的支撑台上端左右两侧对称设置有支撑板，支撑板相对面设置有传动机构，支撑台上端中部设置有堆叠机构，支撑台上端面上且位于堆叠机构左右两侧对称设置有调整机构；本发明能解决以下问题：本发明通过传动机构对硅钢片前后移动，通过推动支链对硅钢片移位、放置、拿取，增加对硅钢片进行自动化堆叠效果；通过调整机构对硅钢片X方向面和Y方向面进行感应式自动调整；通过堆叠机构对硅钢片二次调整，避免硅钢片发生移动，从而使硅钢片堆叠的更加整齐，并且节约制造成本。

以试验室模拟CSP工艺生产的Fe-3Si热轧钢带为研究对象,采用正交试验及方差分析的方法,研究了取向硅钢初次再结晶退火工艺对高温退火后获得锋锐的高斯织构的影响。结果表明:取向硅钢两段式初次再结晶脱碳退火工艺参数加热段保温时间及加热温度是高温退火后获得锋锐高斯织构的主要影响因素,其可信度分别在90%和85%以上;在本试验条件下,通过正交试验获得的最佳退火工艺为:冷硬板经600℃保温3 min和850℃保温6 min。 Fe-3Si hot rolled strip was produced by simulating CSP technology in the laboratory.Orthogonal experiment and analysis of variance were carried out to investigate the influence of primary recrystallization on the sharp Goss texture of the oriented silicon steel.The results show that holding time of the heating section and the heating temperature for a sharp Goss texture of the samples annealed has important implications in this experiment conditions,the two-step decarburization annealing process... 

本发明涉及一种用于控制硅钢毛刺状厚度波动的工艺，包括如下步骤；将连铸坯送入加热炉中进行加热，连铸坯入炉温度为400‑680℃，连铸坯在炉时间为185‑220min；将加热后的连铸坯进行热轧，轧辊偏心量为0‑0.025mm，将热轧后的带钢进行卷取；将卷取后的带钢酸洗后进行冷轧，冷轧操作模式由多次阶段升降速模式调整为一次性升降速模式，且在一次性升降速阶段将MN‑AGC增益系数增大；将冷轧后的带钢进行卷取，退火后得到硅钢片成品。本发明所公开的用于控制硅钢毛刺状厚度波动的工艺，该工艺对加热、热轧、卷取及冷轧各工序进行优化协调，能够有效解决硅钢毛刺状厚度波动的问题，实现无取向硅钢全长厚度控制精度的提升，而且无需进行设备和系统改造，容易实现，易于推广。

采用XRD、SEM和激光粒度仪等手段,观察并研究了不同特性氧化镁在硅钢表面形成硅酸镁底层形貌特点,并结合热力学和差热-失重分析了MgO-SiO2的反应机理。研究结果表明:粒度小,活性值高的特种氧化镁在高温退火过程中与基体表面氧化物生成的硅酸镁底层,界面中硅酸镁底层嵌入基体较多,表面致密,颗粒细小,有利于形成附着性能优良的硅酸镁底层。 Surface microstructure of Mg2SiO4 coatings formed on the surface of oriented silicon steel coated with different kinds of MgO was investigated by XRD and SEM.The reaction mechanism between MgO and SiO2 was analyzed by TG-DSC and thermodynamic calculation.Results revealed that when the MgO with finer microstructure size and higher activity is employed,a dense Mg2SiO4 layer with finer microstructure and good binding to the steel substrate can be obtained.The results are very helpful for the prepar... 

本实用新型涉及一种具有在线测量功能的电工钢片横剪线，包括床身，床身上沿其长度方向安装有导轨，电工钢片在外部驱动辊带动下以导轨为导向移动；位于导轨一端端头外部的床身上安装有测量辊组件，位于导轨另一端处的床身上安装有影像测量组件；测量辊组件、导轨和影像测量组件的中心位于同一直线上，影像测量组件横跨设置于导轨上方；位于测量辊组件和影像测量组件之间的床身上依次安装有冲孔组件、V冲组件和斜剪组件；本实用新型通过测量辊组件对电工钢片行进长度进行检测，通过影像测量组件对电工钢片成型尺寸进行检测，从而便利于及时调整横剪线整体的运行状态，有效助力于保证合格率，并降低了人工负担。

采用自主研发的脉冲磁场退火装置，在取向硅钢脱碳退火过程中分别施加不同强度的磁场，并采用光学显微镜和X射线衍射仪研究了脉冲磁场脱碳退火后试样的显微组织和宏观织构。结果表明，脱碳退火过程中施加脉冲磁场后取向硅钢的平均晶粒尺寸均增加，当磁场强度为40 mT时，平均晶粒尺寸最大，为13.06μm。此外，取向硅钢试样的立方织构{001}<100>强度减弱，高斯织构{110}<001>和{111}<112>织构增强，有利于获得更好的成品织构和磁性能。 Self-developed pulsed magnetic field annealing device was used to apply magnetic field of different intensities during decarburization annealing of an oriented silicon steel, and microstructure and macro-texture of the specimens after decarburization annealing in a pulsed magnetic field were studied by using optical microscope and X-ray diffractometer. The results show that the average grain size of the oriented silicon steel increases with the application of pulsed magnetic field during decarbu... 

将Fe-1.5Si硅钢试样分别在1 000~1 200℃空气条件下氧化30 min,观察发现在1 000℃和1 100℃时,氧化层与基体界面处存在硅酸亚铁,而当温度为1 200℃时,硅酸亚铁不但存在于界面处,同时也存在于氧化层中.将各温度下得到的带有氧化层的试样进行单道次热轧试验,压下率分别为10%和30%,发现1 000℃和1 100℃时,较高的压下率使氧化层破碎更加严重,但是单道次热轧未能改变氧化层的结构;当温度为1 200℃时,由于液态的硅酸亚铁的出现,单道次热轧能够将界面处的液化的硅酸亚铁层挤压到氧化层中,消除了硅酸亚铁层的钉扎基体的效应,改善了氧化层与基体界面的平直度. Specimens of Fe-1.5Si silicon steel were oxidized at 1 000 ~ 1 200 ℃ in air for 30 min.At 1 000 ℃ and 1 100 ℃ fayalite was observed at the scale/substrate interface.While at 1 200 ℃fayalite was found both at the scale/substrate interface and at the outer oxide layer.Then after the single-pass hot rolling process,with the compression ratio of 10% and 30%,it was found that at 1000 ℃ and 1 100 ℃,higher compression rate accelerated the broken of the scale layers,but the scale structure was not affec... 

就冷轧硅钢废水处理生产中面临的主要问题进行分析,从技术角度及运行管理角度提出工艺优化升级改进措施及应对策略;同时从后续深度处理,逐步实现零排放目标的角度进行探讨,为冷轧硅钢废水减量化、出路乃至废水零排放提供一些思路。 The main problems in the wastewater treatment process of cold-rolled silicon steel lines are analyzed and process upgrading measures and optimization strategy are put forward from both technical and management views.At the same time,downstream deep treatment to gradually achieve the target of zero discharge is discussed,to provide some ideas for reduction or even zero discharge of wastewater from cold-rolled silicon steel lines. 

本实用新型公开了一种连续热浸镀铝锌硅钢板,包括硅钢裸板，所述硅钢裸板的左侧边固定连接有第一铝锌输送条，所述硅钢裸板的右侧边固定连接有第二铝锌输送条。本实用新型，通过给待镀铝锌层的硅钢裸板左右侧边设置铝锌输送条，避免了镀层完成后需要对未镀膜的部位进程切除，降低了生产繁杂度，节约了生产成本，避免了材料的浪费，通过给铝锌输送条的前后侧面设置直齿面，提高连续热浸镀膜过程中的输送精度，从而提高了镀膜的均匀性，通过给铝锌输送条设置导向槽，提高硅钢板输送过程中的运动稳定性，通过优化硅钢钣的自身结构，提高了热浸镀铝锌层的效率，并节约了生产成本。

采用轧制法制备出具有低铁损高磁感0.23mm厚6.4%(质量分数)Si高硅钢。沿轧制方向的最终磁性能为B8=1.474 T,B50=1.714 T;P10/50=0.30W/kg,P15/50=0.88W/kg。利用X射线衍射及背散射电子衍射(EBSD)技术分析了高硅钢在轧制及退火过程中的织构演变过程。结果表明,通过采用大压下率热轧,确保热轧板次表层中产生更多的高斯织构,随后进行遗传;温轧板中粗大的晶粒有利于冷轧剪切带的形成;冷轧板经脱碳退火后生成强{210}〈001〉织构及次表层较强的高斯织构是在轧向上获得高磁感的原因,归因于其在{111}〈112〉冷轧形变晶粒内的剪切带优先形核并长大;最终退火后虽出现了随机取向,但以{310}〈001〉织构为代表的η织构得以保留并且增强,进一步提高了磁感。随着退火温度的升高及保温时间的延长,高硅钢薄板晶粒尺寸不断增大,铁损明显降低。 6.4wt%Si high silicon steel sheets(0.23mm thick)with low iron loss and high magnetic induction were successfully produced by rolling process.The final magnetic properties along the rolling direction(RD) were:B8=1.474T,B50=1.714T;P10/50=0.30 W/kg,P15/50=0.88 W/kg.The texture evolution during rolling and annealing was investigated by means of X-ray diffraction and electron backscatter diffraction(EBSD).It was found that more Goss textures formed in the subsurface of hot rolled plates by using larg...