硅钢资料

本实用新型公开了一种成品取向硅钢片加工用的卷绕装置，包括机箱和卷绕机，所述机箱的下表面固定安装有底座，所述机箱的一侧表面靠近上方固定安装有控制箱，所述机箱的两侧表面靠近前方固定安装有伸缩机，所述机箱的前端面固定安装有挡板，所述挡板的前端设有卷绕机，所述底座的上表面且位于卷绕机的下方固定安装有定位筒，所述定位筒的内部活动安装有托杆。本实用新型所述的一种成品取向硅钢片加工用的卷绕装置，可以有效的控制卷绕机卷绕取向硅钢片的厚度，从而保证每次卷绕取向硅钢片的厚度都相同，利用伸缩机可以对不同宽度的取向硅钢片进行边缘位置的夹紧，并且可以控制卷绕板与卷绕机之间的间距，从而控制卷绕后取向硅钢片的内径大小。

通过实验室25 kg真空感应炉冶炼和锻轧研究了0.26%～0.95%Al含量对0.5 mm 2.2%Si无取向硅钢冷轧板组织、织构和磁性能的影响。试验结果表明,0.26%～0.81%Al含量时,随钢中Al含量的增加,成品退火钢板的晶粒尺寸增加同时铁损减少;当Al含量大于0.81%时,随Al含量增加,钢板的晶粒尺寸减小,同时铁损增加。Al含量对硅钢板磁感的影响没有明显的规律。2.2%Si无取向硅钢的合适Al含量为0.48%～0.81%。 The effect of 0.26%～0.95%Al content on structure,texture and magnetic performance of 0.5 mm cold rolled sheet of 2.2%Si non-oriented silicon steel has been studied by a 25 kg vacuum induction furnace smelting,and forging -rolling in laboratory.Results show that as 0.26%～0.81%Al,with increasing Al content in steel the grain size of annealed finished sheet increases while iron loss of sheet decreases,and as Al content in steel is more than 0.81%,the grain size of sheet decreases while iron loss in... 

本发明公开了一种精确控制高磁感取向硅钢板坯Als含量的方法，转炉出钢20～40秒时，定量加入金属铝，加入量按0.15～0.35kg/吨钢；转炉出钢及合金加入后，底吹搅拌均匀3～5min后，加入一定量金属铝后再底吹搅拌均匀3～5min后将钢水吊运至RH开始精炼处理，铝加入量按[WAls目标+(0.009～0.0120％)]范围控制；钢水在RH精炼过程经过2～3次酸溶铝的成分微调后结束精炼，精炼结束Als按[WAls目标+(0.0030～0.0045％)]目标范围控制；RH精炼结束样酸溶铝检测结果出来后，在连铸开浇前，在钢包内补加铝线使钢液中Als在[WAls目标+Δ浇注Als损]目标范围内；连铸进行氩气环流保护浇注，其中氩气环流流量控制在6～12m3/h；浇注成合格板坯后按正常工艺进行热轧及后工序生产。

取向硅钢热轧板中组织、织构梯度对发展完善的二次再结晶十分关键,通过对2种不同热轧工艺生产取向硅钢的组织、织构进行研究,结果表明:采用后道次大压下热轧工艺时热轧板表层再结区晶粒平均尺寸增加,再结晶区厚度增加,高温退火后二次晶粒尺寸减小;采用后道次大压下热轧工艺热轧时,热轧板中平均等效应变高,热轧板厚度心部{100}〈011〉和{100}〈001〉位向取向强度降低,({111}～{113})〈110〉位向取向强度提高,高温退火后{110}〈001〉位向偏离角降低,磁性能提高。 The texture and microstructure gradient in hot rolled grain oriented silicon steel strip was one of the essential factors to achieve a perfect secondary recrystallization.The texture and microstructure of grain oriented silicon steel strip as-rolled with two different hot rolling parameters was investigated.The results show that with big reduction at the end rolling process,the intensity of {100}〈011〉 and {100}〈001〉 orientation reduces with({111}-{113})〈110〉 orientation intensity enhanced in hot... 

本实用新型涉及硅钢生产设备技术领域，具体公开了一种硅钢清洗用多段式清洗辊结构，包括中间辊和可拆卸连接在中间辊两端的支撑辊，所述中间辊和支撑辊的外径相等，中间辊与支撑辊的外壁上均固定有刷毛，所述支撑辊远离中间辊的端部为封闭设置，且同轴固定有转轴。采用本专利中的清洗辊结构，只用更换中间辊即可，无需对整个清洗辊进行更换，节省了设备成本投入；另外将支撑辊远离中间辊的端部为封闭设置，则是为了防止在工作时，液体渗入，避免对清洗辊的内部结构产生腐蚀等问题。

本发明属于冶金技术领域，具体涉及一种基于纳米析出强化制备高强度无取向硅钢的方法。该无取向硅钢包括如下重量百分比的化学成分：Si2.5～4.5wt.％，Ni2.5～6.5wt.％，Al1.0～3.0wt.％，Mn0.1～1.0wt.％，Cu0～1.0wt.％，(C+N+O+S)≤100ppm，其余为Fe；该无取向硅钢的制造方法包括：真空冶炼、浇铸锻造及热轧加工(或者薄带连铸)、常化热处理、酸洗与冷轧加工、再结晶退火、时效热处理。本发明制备的新能源汽车驱动电机转子用高强无取向硅钢厚度为0.20～0.50mm，磁感应强度B50为1.60～1.70T，P10/400为10～31W/kg，屈服强度Rp0.2为700～1000MPa，抗拉强度Rm为740～1150MPa，延伸率A为8～20％，可以满足用户对新能源汽车驱动电机用无取向硅钢性能要求。

分析了电感耦合等离子体发射光谱法(ICP-AES)测定硅钢中铌的检测过程,讨论了该检测过程中不确定度的主要来源,建立了该方法的定量的数学模型,并根据这一模型计算出了检测结果的合成标准不确定度和扩展不确定度。 The measurement of niobium content in silicon steel by inductively coupled plasma atomic emission spectrometry(ICP-AES) was analyzed,by which the main factors affecting the uncertainty of the measurement were ascertained and the calculation formula was given.Finally,according to the formula the combined uncertainty and expanded uncertainty were obtained. 

采用X射线衍射仪分析无取向硅钢冷轧织构和再结晶退火织构的演化,研究了热轧组织对无取向硅钢织构以及磁性能的影响。结果表明,具有均匀、粗大晶粒组织的热轧板,冷轧形成更多的剪切带,导致成品板形成高的高斯织构组分,并提高了{100}织构强度,降低了γ纤维织构,最终导致成品磁感应强度升高,铁损下降。 The texture evolution of non-oriented silicon steel during cold-rolling and recrystallization annealing was investigated by X-ray diffractometer.The effects of hot band microstructure on the texture and magnetic properties of non-oriented silicon steel were analyzed.The results show that more shear bands appear during cold rolling due to homogeneous coarse grain in hot band.So strong{110}<001> texture after recrystallization annealing forms.At the same time,the {100} texture components inc... 

为了确定普通冷轧取向硅钢最优的中间完全脱碳退火工艺,在其一次冷轧后进行5种不同工艺的脱碳退火处理,借助扫描电镜及电子背散射衍射技术研究了不同工艺脱碳退火后的组织、织构和脱碳效果。结果表明:经5种工艺脱碳退火处理后,初次再结晶的平均晶粒尺寸均约为19μm,且不随退火温度和时间的变化而变化;经840℃×10min工艺退火后的晶粒最均匀,高斯织构位向更准确,高斯织构面积分数最多,为3.1%,可将碳脱至0.003 5%。 In order to determine the optimal intermediate complete decarburizing annealing processes for common grain-oriented(CGO)silicon steel,five kinds of intermediate decarburizing annealing processes were conducted,the microstructure,texture and decarbonization after different decarburizing annealing processes were studied by scanning electron microscopy and electro back-scattered diffraction(EBSD)technology.The results show that the average grains sizes of primary recrystallization were about 19μm a... 

本实用新型公开了一种硅钢片叠片结构，涉及到硅钢片叠片技术领域，包括安装架，安装架的一侧面的两端均通过轴承活动插接有转动轴，转动轴的一端固定连接有转运轮，一个转动轴的中部外侧固定套接有从动齿轮，从动齿轮的一端啮合连接有主动齿轮，主动齿轮的转轴的一端通过轴承与安装架活动插接，主动齿轮的转轴的中部外侧和另一个转动轴的中部外侧均固定套接有皮带轮。本实用新型通过在一个转动轴的中部外侧固定套接有从动齿轮，从动齿轮的一端啮合连接有主动齿轮，主动齿轮的转轴中部和另一个转动轴的中部均固定套接有皮带轮，两个皮带轮之间通过传动皮带传动连接，因此电动机工作时能够带动两个转运轮同步逆向转动。

绝缘涂层可以有效提高硅钢片的耐蚀、耐腐、磁、绝缘等性能，因此取向硅钢涂装绝缘涂层是取向硅钢生产过程中重要的一环。本文对取向硅钢含铬无机绝缘涂层以及氮化铬涂层的性能优缺点进行了介绍，并对国内无机含铬取向硅钢绝缘涂层及氮化铬涂层的研究现状进行了综述。最后对未来含铬无机绝缘涂层的研发方向进行了展望。 Insulation coating can effectively improve the corrosion resistance of silicon steel sheet, such as corrosion, magnetic, insulation performance, thus oriented silicon steel insulation coating is the important part of oriented silicon steel production process. In this paper, the inorganic insulation coating oriented silicon steel containing chromium and chromium nitride coating performance advantages and disadvantages are introduced.In addition, the research status of insulation coating and chrom... 

采用SEM、EDS和XRD对不同加热温度下W470连铸坯氧化铁皮的微观形貌及相结构进行研究。结果表明,W470氧化铁皮难以除去的原因是氧化铁皮熔化,液相包裹着FeO,凝固时发生共晶反应,生成FeO/Fe2SiO4共晶混合物,并深嵌入基体。降低加热炉的加热温度,使连铸坯全程在FeO/Fe2SiO4共晶混合物熔点(1177℃)以下加热,可降低氧化铁皮与基体的结合力,能够有效解决W470除鳞困难问题。 The microstructure and phase structure of iron scale of W470 continuous casting billet at different heating temperatures were investigated by SEM,EDS,and XRD.The results show that the reason why the iron scale of W470 removes hardly is that iron scale is melted and the FeO is surrounded by the liquid phase,which forms FeO / Fe2SiO4eutectic mixture and is embedded into the matrix after solidification.Lowering the heating temperature and keeping the continuous casting billet heating under the melt...