硅钢资料

一种不含铬取向电磁钢板用涂料、其制备方法及带涂层的不含铬取向电磁钢板的制备方法，属于取向电磁钢板技术领域。所述涂料按质量份配比组成如下：100份磷酸盐、60～120份二氧化硅溶胶、5～50份氧化锡溶胶、2～40份硼酸和0.5～10份二氧化硅粉体。本发明所述制备方法环境友好、能够满足规模化生产要求，制备的涂料不含铬、具有良好的稳定性和涂敷性，并且本发明所述涂料能够使取向电磁钢板表面涂层具有良好的耐吸湿性、耐腐蚀性、耐热性、张力效果和抗粘片性。

介绍了重庆钢铁股份有限公司炼钢厂生产低碳低硅钢的脱氧工艺,对连铸过程中水口结瘤的原因进行分析,并提出了优化措施。生产实践表明:钢水中的活性氧质量分数控制在10×10-6～30×10-6时,单中包浇铸炉数由6～7炉提高到11～12炉,同时能保证连铸顺行和减少铸坯气孔。 The deoxidation process of low-carbon and low-silicon steel in steel plant of Chongqing Steel was introduced.The nuzzle clogging was analyzed and some measures were put forward.Production experiments showed that when the active oxygen was controlled between 10×10-6～30×10-6,the amount of furnaces would rise from 6～7 to 11～12,which will make the casting process work well and reduce casting holes. 

介绍了国内、外电工钢极薄带的生产现状及市场应用的情况,以及典型生产企业的生产规模、产品性能和应用领域,指出扩大高牌号无取向电工钢生产、提高产品质量是目前电工钢发展的迫切要求。 The production situation and market application of ultra thin electrical steel strip at home and abroad were described.The production capability,product property and application area of typical corporation were introduced.The results indicate that the urgency needed of electrical steel development is expanding high-grade non-oriented electrical steel production and improving products quality at present. 

本实用新型实施例涉及一种硅钢片冲剪设备，该设备包括冲床、送料台、第一刀模、第二刀模和第三刀模；送料台用于传送待加工的硅钢条；第一刀模用于冲剪硅钢条以在硅钢条上形成预设形状的第一凹槽，第一凹槽处构成“工”字形硅钢片的一侧凹部；第二刀模用于冲剪硅钢条以在硅钢条上形成预设形状的第二凹槽，第二凹槽与所述第一凹槽相对应，第二凹槽处构成“工”字形硅钢片的另一侧凹部，第二刀模与硅钢条在硅钢条的横向方向上能够产生预设距离的相对位移；第三刀模用于沿硅钢条的横向方向剪断硅钢条。该设备能够采用硅钢片低成本、高效率地制造“工”字形硅钢片。

作为一种具有优异高频铁磁性能的合金,Fe-6.5%Si(质量分数)高硅钢在高频工况条件下降损效果明显,对电气行业应用器件高频化、小型化、节能等具有十分重要的意义。通过与取向硅钢测量B-P数据对比,验证了高硅钢高频超低损特性,且轧制高硅钢与日本CVD法生产高硅钢存在基本相同的铁损值。采用国标Epstein Square法对0.30mm高硅钢薄板进行单片测试,并对由0.30mm高硅钢薄板首次装配成的电感器进行铁损测试,对比测试结果表明,元件测试与单片测试数据基本吻合,高磁感应强度条件下,元件测试结果略低于单片测试,分析原因为:线圈引起励磁压降;元件叠片间出现短路,电流增大,损耗增加;气隙板厚度过大。 As one core material with excellent high-frequency ferromagnetism,Fe-6.5%Si performs obviously reduction on core loss in high field frequency which means much to high frequency,minimization,energy conservation in electric industry.Super low loss was verified by drawing B-P curves based on detected experimental data,and which went equal to Fe-6.5%Si thin strip fabricated by CVD in Japan.Fe-6.5%Si was firstly fabricated as inductor in this research,and its core loss was determined for comparison w... 

针对传统工艺生产硅钢周期长、能耗大等缺点,采用双辊连铸工艺制备3%Si无取向硅钢连铸薄带,利用MEM,SEM和TEM观察了铸带的组织、织构及析出物,同时对比了Al的质量分数为0.6%和0.9%的连铸薄带在组织、织构及析出物特征方面的异同.结果表明:双辊连铸工艺生产的3%Si无取向硅钢铸带的组织为均匀等轴晶粒,平均晶粒尺寸约为300μm;织构组成随Al质量分数的不同具有明显差别,Al质量分数为0.9%的铸带中{100}织构强度是随机织构的7倍;铸带中的析出物为AlN和MnS,最大尺寸分别为500和50 nm左右. Given the lengthy production cycle,high energy consumption,and other shortcomings of the traditional process for producing silicon steel,a twin-roll casting process was used to produce 3%Si non-oriented silicon steel casting strips. MEM,SEM,and TEM were used to compare micro-structure,texture,and precipitate characteristics of a casting strip containing 0.6%Al with another containing 0.9%Al.The structure of 3%Si non-oriented silicon steel produced by the twin-roll casting process was a uniform i... 

概述了无抑制剂法生产取向电工钢的特性及其用途;总结无抑制剂生产取向电工钢的原理及工艺方案.重点讨论了成分方案,即元素对磁性能的影响和最终高温退火方案对二次再结晶的影响.研究结果表明,无抑制剂取向硅钢化学成分范围没有普通取向硅钢和高磁感取向硅钢严格,提高了成材率;最终高温退火决定了二次再结晶的好坏,从而最终决定成品磁性能,最佳的高温退火温度在850～950℃之间. This article provides an overview on the characteristics and uses of inhibitorless process producing grain-oriented electrical steels.The mechanism of inhibitorless process and technology programs were discussed.The results show that the chemical composition and final annealing were determined according to magnetic properties.The inhibitor-free grain oriented silicon steel has loose range of chemical composition;Secondary recrystallization occurs mainly in the final annealing and the best anneal... 

提出以“云边一体化架构”构建硅钢智慧决策系统，来解决原硅钢制造L1～L5系统架构模式下的数字信息孤岛、业务功能割裂等问题。在此基础上，开发了云边协同的自学习型控制模型及业务决策模型，构建起硅钢“智慧大脑”，形成了以研发、制造、服务等核心业务数字化融合的智能化决策支持新模式，探索出一条钢铁制造业数字化、智能化转型之路。 SIDS(Silicon-steel Intelligent Decision-making System)based on \"cloud-edge integration architecture\" was proposed to solve the problems of data silos and business function fragmentation in the original L1～L5 system architecture.On this basis,the self-learning control model and decision-making model of cloud-edge collaboration were developed,the \"smart brain\" of silicon steel department was constructed,and a new intelligent decision-making support model of digital integration of core businesses s... 

本实用新型公开了一种组装稳定的硅钢片，包括装置主体，所述装置主体的外表面内部设置有第一内置槽，所述第一内置槽的内部安装有第一防滑垫，所述装置主体的内部设置有内置槽，所述内置槽的内部安装有伸缩弹簧，所述伸缩弹簧的外侧设置有固位板，所述装置主体的内部设置有第二内置槽，所述第二内置槽的内部安装有内置防滑垫，所述装置主体的内部安装有条状防滑垫。本实用新型公开了一种组装稳定的硅钢片，第一防滑垫对外部起到了有效的防滑效果，伸缩弹簧在安装后，根据存在的缝隙空间，从内置槽中释出，从而固位板便可随着伸缩弹簧的移动贴合连接组合的外壁，多个防滑垫的设置再次保证了连接的稳定性。

本发明涉及取向硅钢制造技术领域，公开了一种快速判断取向硅钢初次再结晶晶粒直径的方法，包括如下步骤：选取取向硅钢热轧来料，进行生产，对产出的钢板在同部位各取若干个拉伸试样，加工拉伸和分析，取得屈服强度，在拉伸试样部位两侧连续制取金相试样，计算对应拉伸试样的平均晶粒直径D，将性能数据和平均晶粒直径进行统计分析，建立屈服强度与晶粒直径的对应关系，实际生产时，在产出的钢板上取判断试样，取得判断试样的屈服强度，进而取得判断试样的晶粒直径。本发明快速判断取向硅钢初次再结晶晶粒直径的方法，通过机械性能检验，来间接指示初次晶粒的大小，检测速度快，评价更准确。

本实用新型提出一种EI型硅钢片，所述EI型硅钢片呈长方形，其包括两个E形片和两个I形片，所述两个E形片开口相对且对称设置，所述两个I形片分别连接于两个E形片相接形成的两个空挡内，所述长方形的长度A为120mm，宽度B为88mm；其中，E形片的高度C为60mm，中间舌部宽度D为29.5mm，舌部高度E为44mm，其上两侧边柱宽度F为13.25mm；I形片宽度G为16mm，长度H为88mm。本实用新型采用两个E形片和两个I形片对称设置，在冲压时充分利用材料，不会造成多余废料，且其与现有EI90型硅钢片相比，其面积为EI90型硅钢片面积的97.78％，即硅钢材料重量也为EI90的97.78％，减少了硅钢用量。

目前随着电工钢用户冲压设备的升级,冲压速度逐步提高,对电工钢产品的硬度和强度指标提出了更高的要求。与普通硬度级别的无取向硅钢相比,高硬度50BW600的Hv硬度提高15~20,达到125以上,同时对电磁性能指标也有较高要求。本钢通过化学成份和热轧及冷轧连退生产工艺的设计,经过小批量生产试验,满足用户要求。通过对工艺的严格控制,在大批量生产过程中,保证了产品的力学性能和电磁性的检验合格率。 Currently with upgrading of stamping equipment of silicon steel user, gradually increasing of stamping speed, propose higher demand for hardness and strength of silicon steel. Compared with conventional 50BW600, high hardness 50BW600 have higher hardness, reach greater than 125Hv. Through design of chemical composition with hot mill and annealing, production test of small quantities, stamping performance meet user request.