硅钢资料

分析了影响脱碳效果和结晶行为的各种要素及其相互制约关系,提出了Hi-B连续退火工艺曲线,总结得出快速加热及合理稳态气氛是实现工艺制度的关键。结合实际工程,介绍了在连续退火炉设计中快速加热和气氛设计的考虑方法,并指出随着Hi-B产品的发展,如何改进这些方法将是连退工程研发的方向之一。 The factors which affect decarbonization and crystallization and the mutual restriction between them were analyzed.A complete continuous annealing process for Hi-B was put forward.As a result,the rapid heating and the proper steady atmosphere were two important factors.According to an actual project,the consider methods for designing rapid heating and proper steady atmosphere were introduced,and it is pointed that with the development of Hi-B technique,how to improve these techniques would be on... 

【机构】 商务部进出口公平贸易局； ...

本实用新型涉及硅钢轧制油反应设备技术领域，尤其是一种硅钢轧制油专用反应装置，它包括反应罐，所述反应罐的内底部焊接有导热板，所述导热板的底面安装有安装壳，所述安装壳的内部固定安装有电热盘，所述反应罐的右侧面底部固定安装有温度传感器，所述反应罐内设置有搅拌机构，本实用新型通过设有温度传感器、电热盘和控制器，能够有效控制反应罐内部的温度，使其内部的温度能够达到设定的温度值，防止因温度过高而爆炸，提高了安全性，而且，通过由搅拌电机、搅拌轴、主搅拌叶、分搅拌叶和螺旋搅拌杆组成的新型搅拌机构，该搅拌机构的搅拌覆盖率大，搅拌效果较好，能够进一步加快物料间化学反应的速率，提高生产效率。

本发明公开了一种降低无取向硅钢W800头部窄尺的控制方法，步骤1、筛选板坯长度，并使板坯进入加热炉后头部均朝向轧机方向；步骤2、控制板坯头部温差小于10℃；步骤3、固定粗轧到精轧区间内的轧机机架轧制速度；步骤4、固定相变机架，使板坯的奥氏体‑铁素体相变发生在F2和F3机架中；步骤5、调整精轧机架间的负荷分配，降低F2和F3机架的压下量；步骤6、调整活套张力，降低F2和F3机架的活套单位张力补偿；步骤7、降低模型AGC增益，降低F2和F3机架的AGC补偿的辊缝波动量。本发明通过控制固定相变机架、优化相变机架的负荷分配、AGC补偿系数、活套张力等，使秒流量保持平衡，减少无取向硅钢W800头部窄尺。

针对马钢无取向电工钢孔洞缺陷的分布规律及形貌特征,对缺陷样进行了显微分析,并利用生产实绩数据分析了该缺陷产生的原因。结合热轧生产过程,主要通过避免带钢撞击导卫以及降低导卫结瘤的产生等措施,可有效抑制热卷异物压入产生,从而降低冷轧工序孔洞的产生。 In viewing of the distribution and morphology characteristics of the hole defect of non-oriented electrical steel in Maanshan Iron and Steel Co.,Ltd.,the causes of the defect were analyzed by micro analysis of the defect sample and the production data.Combined with the production process of hot rolling,by avoiding the impact of strip steel on the guide and reducing the nodule formation on the guide,the pressing of foreign bodies in hot coiling could be effectively suppressed,thus reducing the fo... 

为开发高效电机用冷轧无取向电工钢,借助实验室薄板坯连铸连轧模拟设备及扫描电镜、透射电镜等检验手段研究了成分、组织、织构和析出物等对无取向电工钢磁性能的影响规律;结果表明:常化处理使组织均匀化并增加有利于磁性提高的织构组分;采用CSP流程开发的高效电机用无取向电工钢铁损平均值3.4 0 W/kg,磁感≥1.68 T。 In order to develop electrical steel for high efficiency motor,effect of components,microstructure,texture and precipitation on magnetic property of electrical steel are analyzed.From the result,normalizing treatment makes microstructure uniform and increases component of favorable texture.Iron loss of electrical steel developed by CSP line is 3.40W/kg and magnetic induction is more than 1.68T. 

随着中国电工钢产量的增加,硅钢级氧化镁需求量不断增加,传统的以白云石为原料制备氧化镁的工艺已经无法满足市场需求。中国是一个卤水资源丰富的国家,因此,研究如何资源化综合利用盐湖资源变得越来越重要。硅钢级氧化镁是一种制备取向硅钢的涂层材料,主要用于取向硅钢高温退火处理阶段,起到隔离剂、绝缘膜层、脱硫、脱磷等作用。综述了制备硅钢级氧化镁的方法、工艺流程、研究进展及存在的问题,指出了硅钢级氧化镁制备技术的发展方向,并对中国卤水资源的利用提出了建议。 With the increasing output of electric steel,the demand for silicon steel grade magnesium oxide(MgO) is larger and larger in China,and the traditional MgO production process with dolomite as raw material has been unable to meet market demand.China is a brine resource-rich country,the study of how to comprehensively utilize salt lake resources has become increasingly important.As a coating material used for preparing oriented silicon steel,silicon steel grade MgO is mainly used in the process of ... 

本实用新型提出了一种非取向极薄硅钢带刮油装置，包括机壳、固定架、第一安装板及第二安装板；机壳内侧设有固定架，固定架上端设有第一承托板，第一承托板上方设有第一安装板，第一安装板上至少设有一个上刮油刀片，第一安装板与第一弹簧下端连接，第一弹簧上端与机壳顶端相连接，固定架下端与第二弹簧上端连接，第二弹簧下端连接第二安装板，第二安装板上至少设有一个下刮油刀片，机壳底部设有第二承托板，第二承托板与下刮油刀片对应设置；上刮油刀片和下刮油刀片一端设有固定安装孔，另一端均设有斜面。本实用新型的刮油刀片通过弹簧自适应抵接于厚度不同的硅钢带表面，清洁效果好，设计结构简单，维护方便，可循环利用，降低了生产成本。

研究了薄板坯连铸连轧流程(TSCR)条件下热轧工艺对3.2%Si-0.7%Al无取向硅钢组织、织构演变及磁性能的影响规律。结果表明,提高均热温度和热轧温度有助于获得粗大的变形组织和强烈的{001}〈110〉织构,进而对后续的组织、织构演变进程及磁性能产生有利的遗传影响。与低温均热和低温热轧相比,高温均热和高温热轧得到的最终成品板的再结晶晶粒较粗大,λ纤维再结晶织构较强而γ纤维再结晶织构较弱,磁感应强度较高。 It was investigated that the effects of thin slab cast rolling(TSCR) hot rolling processes on microstructural,textural evolution and magnetic properties of 3.2%Si-0.7%Al non-oriented silicon steel.The results show that much larger hot rolling deformed microstructure and much stronger {001}〈110〉 texture could be obtained by increasing the soaking and hot rolling temperatures,which had good heritable effects on subsequent microstructural,textural evolution and magnetic properties.The final sheets ... 

介绍了硅钢氧化镁制备方法及高质量硅钢氧化镁制备技术的研究进展,并对利用我国丰富的卤水资源制备硅钢氧化镁进行了展望。 The preparation methods of silicon steel magnesium oxide and research progress of high quality silicon steel magnesium oxide preparation technology were introduced.The use of abundant brine resources in the preparation of silicon steel magnesium oxide was prospected. 

【作者】 卢鹏； ...

含铜抑制剂作为取向硅钢的主抑制剂或辅助抑制剂不仅可以抑制初次晶粒的长大,促进二次再结晶,还可以降低铸坯的加热温度。取向硅钢中主要抑制剂为10～50 nm Cu₂S,在钢的铸坯、热轧、冷轧、脱碳等工艺过程均可析出;（Cu,Mn）_1.8S、Cu_1.8S、ε-Cu等主要作为辅助抑制剂,尺寸一般为30～50 nm（或大于50 nm）,主要在热轧阶段析出。总结了国内外有关取向硅钢中含铜抑制剂析出行为的研究进展,当前主要研究不同生产流程和工序中含铜抑制剂的析出行为和作用机理。 As main inhibitor or auxiliary inhibitor for grain-oriented silicon steel,the particles of inhibitor bearing copper not only inhibit the primary crystal growing and promote the secondary recrystallization,but also decrease the heat temperature of casting slab.The main inhibitor for grain-oriented silicon steel is 10～50 nm Cu₂S,which precipitate in process and procedure including steel casting slab,hot rolling,cold rolling and decarburizing process,while the 30～50 nm or more than 50 nm...