硅钢资料

试验研究了退火温度(850~950℃)和时间(5~18 min)对2.3 mm热轧硅钢板(/%:0.036C,3.15Si,0.21Mn,0.005P,0.007S,0.032A1)6道次轧制的0.35 mm冷轧板组织和织构的影响。结果表明,退火温度越高,晶粒平均尺寸越大,900℃5 min退火时平均晶粒尺寸41.39μm,试样织构主要集中在γ取向线上的{111}<112>织构组分和{111}<110>织构组分;900℃18 min退火时平均晶粒尺寸为48.08μm,试样的{111}面织构和{112}面织构密度都明显减弱,{001}面织构增强,磁性能较优。 The effect of annealing temperature(850 ~950 ℃) and holding time(5 ~ 18 min) on structure and texture of 0.35 mm sheet by 6 passes cold-rolling from 2.3 mm hot-rolled plate of silicon steel(/%:0.036 C,3.15 Si,0.21 Mn,0.005 P,0.007 S,0.032A1) has been tested and studied.Results show that the higher the annealing temperature the coarser the average grain size;As annealing at 900 ℃ for 5 min the average grain size of steel sheet is 41.39 μm,and the texture in sample is mainly concentrated in y orie... 

本发明涉及一种超纯净无取向冷轧硅钢中非金属夹杂物形貌的原位观察方法，包括如下步骤：制备无取向冷轧硅钢样品，将待测试面用打磨至1000#，使样品表面平整光滑，并进行机械抛光和表面清洗。对处理好的样品在电化学工作站上进行电化学腐蚀，电解液为：1~8wt%氯化物MCl溶液，余量为去离子水，通入CO2气体至饱和，加入适量NaHCO3和三乙醇胺作为稳定剂调节pH值将其稳定在6.0~6.5之间。电化学设定参数：开路：0.5~2h，动电位极化测试：扫描速率:0.1mV/S~1.0mV/S，测试区间：VS.SCE‑0.8V~0.2V，测试温度为：10~25℃。取不同区间内做完电化学腐蚀的样品用去离子水冲洗，吹干。通过扫描电子显微镜+能谱仪对非金属夹杂物的形貌进行原位观察和成分分析。

冷轧无取向硅钢（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N）经890℃或940℃3 min常化的2.3 mm热轧板冷轧成0.35 mm薄板。研究了常化温度和800⁹20℃3 min退火对该钢高频（400Hz）磁性能和抗拉强度的影响。结果表明,830⁹20℃退火时高频铁损P_10/400值最低,随退火温度增加,晶粒尺寸增大,钢的抗拉强度降低;该钢的最佳热处理工艺为常化温度940℃,退火温度830℃,其抗拉强度R_m、高频铁损P_10/400和磁感应强度J₅₀分别为565 MPa,21.5 W/kg和1.69 T。 The cold-rolled non-oriented silicon steel（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N） is cold-rolled to 0.35 mm sheet from 2.3 mm hot-rolled plate normalized at 890 ℃ or 940℃ for 3 min.The effect of normalizing temperature and annealing process at 800 ⁹20 °C for 3 min on high frequency（400 Hz） magnetic properties and tensile strength of the steel has been tested and studied.Results show that with annealing at 830 920 ℃the high frequency iron loss value P_10... 

本发明公开了一种免常化中间退火的无取向电工钢板，其各化学元素质量百分含量为：0＜C≤0.004％、Si：1.0～2.6％、Mn：0.2～1.0％、Al：0.2～1.6％、Ca：0.0003％～0.0035％，余量为Fe和其他不可避免的杂质。此外本发明还公开了上述无取向电工钢板的制造方法，其包括步骤：(1)冶炼和连铸，其中在该步骤不采用电磁搅拌；(2)热轧，其包括：粗轧、精轧、卷取和保温；其中控制粗轧之后、精轧之前的中间坯温度≥950℃；(3)上述热轧步骤后不进行常化中间退火或罩式炉中间退火而直接进行冷轧；(4)连续退火。本发明所述的无取向电工钢板通过采用合理的化学成分和工艺设计，可以在保证较低生产成本的同时，获得高磁感和低铁损的特性。

本发明公开了一种无取向硅钢用预熔型结晶器保护渣，涉及冶金技术领域，其化学成份按质量百分比计为：CaO：25.2%‑25.6%，SiO2：39.2%‑39.6%，MgO：1.9%‑2.1%，Al2O3：2.9%‑3.1%，Na2O+K2O：10.5%‑10.7%，F：9.9%‑10.1%，Li2O：1.9%‑2.1%，MnO：2.0%‑2.2%，C固：1.9‑2.1%，余量为不可避免的杂质，熔点：1000‑1040℃，粘度at1300℃：0.18‑0.19Pa.S，通过喷雾造粒制成中空颗粒。制备的无取向硅钢结晶器保护渣是空心颗粒，堆比重轻，空心颗粒提高了铺展性，喷雾造粒的空心球颗粒能形成绝热层，可有效地降低钢水向外传热速度，隔热保温效果好。

本实用新型公开了一种包容产品转子硅钢片叠加公差的模具机构，包括上下设置的定模固定板和动模固定板，定模固定板下面设置有定模仁，定模仁内穿设有定模型芯，定模型芯的上端设置有定模型芯限位块，定模型芯限位块套设在导向销下端，导向销上套设有定模型芯浮动弹簧B，定模型芯底部设置有台阶面，定模型芯上套设有定模型芯浮动弹簧A，定模仁外圈设置有定模浮动型芯，定模浮动型芯与动模固定板之间设置有动模浮动板，动模固定板中心设置有动模仁，动模仁上套设有产品转子，产品转子上端与定模型芯下端接触。本实用新型提供的一种包容产品转子硅钢片叠加公差的模具机构，能够省去高度调整工序，降低成本和品质管控风险。

选用Q235和Q345钢,在纯锌浴和含钛量分别为0.05%、0.10%、0.15%、0.20%(质量分数)的合金浴中浸镀0.5、1、3、5、8 min。利用扫描电子显微镜和能谱仪研究了钛对热浸镀锌组织和生长动力学的影响,并提出钛对含硅钢铁锌反应抑制作用的机理。结果表明:钛的加入缩短了Γ的孕育期,促进了合金层中δ的生长和ζ的消失,δ的生长依然受扩散控制,呈抛物线生长规律;Zn-0.05%Ti锌浴可以很好的抑制高硅钢的硅反应性;含硅钢热浸镀锌钛合金浴时,在锌浴中会形成锌铁钛三元T相,该相能吸收ζ晶界处富集的硅,从而抑制了铁锌反应。 Both Q235 and Q345 steels were immersed for 0.5 to 8 min in Zn bath with different amount of Ti,ranging from 0 to 0.20 mass%,for galvanization.The effect of Ti in Zn bath on microstructure and growth kinetics of hot-dip galvanizing coatings on the two steels were investigated by means of SEM and EDS analysis.Base on the experiment,the mechanism of Ti additions in controlling Fe-Zn reaction was proposed.The results show that addition of Ti in the zinc bath decreases the incubation time of Γ phase... 

本实用新型公开了一种变压器铁芯硅钢片叠装对齐工装，包括叠装平台、定位板、推齐板和下压板；定位板和推齐板分别位于叠装平台的两侧，下压板位于叠装平台的上方；定位板用于对铁芯长度或宽度侧进行定位；推齐板平推铁芯使各硅钢片抵靠定位板而对齐；下压板下压铁芯使各硅钢片叠装紧密。本实用新型提供的一种变压器铁芯硅钢片叠装对齐工装，能够提高铁芯生产精度，并提高硅钢片叠装效率。

研究了罩式炉常化工艺对50W350硅钢热轧板组织、夹杂物和性能的影响。研究结果显示，罩式炉常化工艺在温度一定的情况下，随着保温时间延长，硅钢晶粒逐步再结晶并长大，同时析出物也在聚集长大。通过制定合理的罩式炉常化工艺，可以实现硅钢晶粒的再结晶和长大，从而达到连续退火炉常化工艺产品技术要求。 The influence of normalization process with a bell furnace on the structure,inclusions and properties of 50W350electrical steel hot-rolled sheet was studied.The research results showed that:when the steel was normalized at a certain temperature in the bell furnace,the silicon steel grains gradually recrystallized and grew up with the extension of the annealing holding time,and at the same time,the precipitates also gathered and grew up.The recrystallization and growth of the silicon steel grains... 

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... 

以太钢热连轧厂的硅钢为研究对象,利用凸度仪测量热轧带钢出口凸度值,采用矩阵和失效模式的分析方法了解影响带钢凸度变化的主次因素。研究结果表明:通过有效控制轧制过程中的加热温度、时间及采用合理的辊型,硅钢凸度精度提高了4.34%左右。 In this paper,we take the hot-rolled silicon steelsheet of Taigang as the research symbol,exit profile was measured by convex instrument,the primary and secondary factors that affect the strip profile were measured by using matrix and failure mode analysis methed.The results indicate that convexity accuracy has significantly improved by nearly 4.34% through the effective control of the heating temperature,heating time and the use of correct roller type in the process of hot rolling. 

介绍了电工钢生产线连退机组的表面处理工艺,特别是电解清洗系统的工作机理、设备构造、生产工艺及各种影响因素。 This paper introduces the technology of surface treatment of continuous annealing unit in electrical steel production line,in particular the working mechanism,structure of equipment,production techniques and various influence factors of the electrolytic cleaning system.