硅钢资料

对高牌号无取向电工钢35W300的成品进行了第二次退火,对第二次退火后的成品性能、纵横向磁性能差异和组织变化进行了分析。结果表明,随着第二次退火温度的升高,晶粒长大,磁性能优化。铁损平均值下降0.087 5W/kg,磁感平均值升高0.008T。第二次退火温度为820℃的产品的磁性能能够满足用户使用要求。 The product of high grade non-oriented electrical steel 35W300 was annealed at the second time.Microstructure,the difference of magnetic properties in the vertical and horizontal and were studied.The results show that the grain grew up and magnetic properties optimized with the increase of annealing temperature for the second time.Iron loss average declines in 0.0875 W/kg,magnetic induction average increases 0.008 T.The magnetic properties can meet the requirements of users at the second anneali... 

对CSP流程生产的高磁感无取向电工钢50W1300在偏离轧制方向不同角度处的磁性能进行了测试和分析。结果表明:在偏离轧向不同角度处,磁性能差异显著,尤其在α=60°时磁感最低;偏离轧制方向不同角度处的磁性能大小取决于织构类型、强度及分布状态;增强{100}<0vw>和α、η取向的有利织构组分,降低不利的γ取向织构组分,且使有利织构组分分布越漫散,磁各向异性越小。 Magnetic properties of high magnetic induction non-oriented electrical steel 50W1300 produced by CSP processes were investigated with different direction in relation to the rolling direction.The result shows that magnetic properties are significantly different in relation to the rolling direction,in particular,the minimum magnetic induction occurs at 60° in relation to the rolling direction.Magnetic properties of different directions in relation to rolling direction depend on type and distributi... 

根据相关的取向电工钢典型专利技术,概述了日本高磁感低铁损取向电工钢低温板坯加热、抑制剂合理调节、关键成分Mn、C、Sn和Sb调节与利用、新型退火剂和绝缘溶液的制备及细化磁畴等生产工艺最新动态和进展情况,并提出了国内企业申请取向电工钢专利时应当借鉴之处。 According to related typical patent technology for grain-oriented electrical steel sheets,the recent trends and progress situation for production process of grain-oriented electrical steel sheets with high magnetic flux density and low core loss in Japan are summarized including low temperature slab heating,suitably regulating inhibitors,adjusting and utilizing key element Mn,C,Sn and Sb,manufacturing for new annealing agent and insulating solutions,and fining magnetic domain,and some suggestion... 

本发明公开了一种切口耐蚀性良好的无取向硅钢及其生产方法，属于电工钢生产技术领域。本发明的无取向硅钢包括以下质量百分比的元素：Si：0.2～2.7％，Mn：0.15～1.0％、Als：0.5～1.0％，Cr：0.1～0.3％；Ni:0.2～0.5％，P：≤0.01％，其余为Fe及不可避免的杂质。其生产工艺为：铁水预处理、转炉炼钢、真空处理、连铸、加热、热轧、酸洗、冷轧、退火处理和涂覆绝缘层。本发明通过合理的成分配比以及相匹配的生产工艺进行生产，最终得到了切口耐蚀性优良的低铁损、高磁感的无取向硅钢，从而能够有效满足电工钢的使用需求。

本发明涉及一种提高取向硅钢冷轧加工性的生产方法，工艺流程为：冶炼、连铸、热轧、常化、酸洗、冷轧、脱碳渗氮、涂MgO、高温退火、涂绝缘层及热拉伸平整；粗轧中坯厚度35‑45mm，两段常化后进行带钢横向分段式冷却水分布。本发明通过对热轧中坯厚度、终轧温度及卷取温度，常化冷却水量及控制方式的调控，使轧前表层晶粒尺寸降低5‑10μm、珠光体体积分数降低6％，轧材冷轧加工性明显改善、成材率可提高8％以上。通过后续冷轧、脱碳退火和高温退火等工序处理，可保证完善的二次再结晶组织及良好磁性能。

取向硅钢热轧板中织构梯度对发展完善的二次再结晶十分关键,通过添加铜可以显著降低取向硅钢板坯加热温度,从而影响热轧板织构分布。利用X射线衍射仪,分析了实验室模拟薄板坯连铸连轧(TSCR)工艺的3种不同铜含量的取向硅钢热轧板织构。结果表明:不同铜含量热轧板表面到厚度1/4处均为弱的热轧织构,热轧板心部主要为{100}面织构;铜含量约在0.4%时,热轧板次表层的{110}<001>织构比例最高,而热轧板心部的{100}<110>织构比例最低;铜含量对热轧织构中{114}<110>和{001}<100>织构发展有显著影响。 The texture gradient in hot rolled grain oriented silicon steel strip is one of the essential factors to achieve a perfect secondary recrystallization.The addition of copper can significantly reduce the slab reheating temperature of grain oriented silicon steel,so as to impact the texture distribution in the hot rolled strip.The texture of hot rolled grain oriented silicon steel strip as-rolled by thin slab casting and rolling process(TSCR) in laboratory with three different copper contents was ... 

一种高强型高频电磁性能优异的硅钢薄带板，钢中化学成分按重量百分比计为：C≤0.0027％、Si3.10％～3.35％、Als0.80％～1.2％、Mn0.20％～0.85％、P≤0.050％、S≤0.0020％、N≤0.0020％、Ti≤0.0020％、V≤0.0020％、Nb0.0050％～0.080％，其余为Fe和不可避免的杂质。本发明的无取向硅钢薄带产品用于新能源汽车驱动电机的制造，其强度高，中高频电磁特性优异。

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. 

对高牌号无取向电工钢国内生产情况、工艺技术、产品性能及应用领域等进行了阐述,并探讨了高牌号无取向电工钢产品的发展趋势。 This paper introduces basic facts on the production status,process technology and products’ properties and their applications of non-oriented electrical steel with high grade at home,and then discusses the development trend on technology for producing the non-oriented electrical steel with high grade. 

对欧盟市场汽车压缩机专用产品进行技术解析,对比分析了其电磁性能、退火和发蓝处理、物理性能、化学成分、应用特点等参数。探讨国内外电工钢产品应用方式的不同特点,并结合鞍钢自身工艺装备和炼钢、热轧、冷轧工艺参数介绍了其生产可行性。提供了冶金工艺流程下,后工序电工钢专业生产线及传统冷轧系统生产线两种生产方式,均能满足用户最终使用要求。 The technology of automotive compressor accommodation manufacture of European Economic and Monetary Union market was described.The magnetic properties,annealing bluing,physical properties,chemical composition,application parameters were analysed.The different characteristics of the application of electrical steel products,the feasibility of manufacture on the existing technology and equipment,steelmaking,hot rolled,cold rolled technical parameters were discussed.The professional product line of ... 

本发明公开了一种批量稳定生产高牌号无取向电工钢的方法，包括以下步骤：开卷→加热→水套冷却→水雾冷却→水喷淋冷却→抛丸→酸洗→切边→卷取→使用单机架六辊轧机进行轧制成卷；该方法可实现高牌号无取向电工钢在六辊UCM轧机冷轧后无边裂产生，可将带钢板形值控制在‑5I～+5I，厚度精度控制在±3μm，该方法生产的高牌号无取向电工钢无板形及表面质量缺陷，产品质量良好，可实现高牌号无取向电工钢的批量稳定轧制。

研究了退火温度对3.1%Si无取向硅钢组织和磁性能的影响规律。结果表明:退火温度从940℃提高至1 000℃,平均晶粒尺寸由98μm增加到145μm,铁损P_1.5/50从2.576 W/kg降低至2.408W/kg。随着退火温度的升高,γ不利织构组分强度逐渐降低,{111}〈112〉织构组分强度降低约16%,磁感B₅₀逐渐升高,磁性能水平提高。 The effects of annealing temperature on microstructure and texture and magnetic properties of 3.1%Si non-oriented silicon steel were investigated in this paper.The results showed that,when the annealing temperature increased from 940℃ to 1 000℃,the average grain size of metallographic structure increased from 98μm to 145μm,the iron loss value P_1.5/50 decreased from2.576 W/kg to 2.408 W/kg.And as the annealing temperature increased,the strength of the unfavorable texture componentγgrad...