硅钢资料

以试验室模拟CSP工艺生产的Fe-3Si热轧钢带为研究对象,采用正交试验及方差分析的方法,研究了取向硅钢初次再结晶退火工艺对高温退火后获得锋锐的高斯织构的影响。结果表明:取向硅钢两段式初次再结晶脱碳退火工艺参数加热段保温时间及加热温度是高温退火后获得锋锐高斯织构的主要影响因素,其可信度分别在90%和85%以上;在本试验条件下,通过正交试验获得的最佳退火工艺为:冷硬板经600℃保温3 min和850℃保温6 min。 Fe-3Si hot rolled strip was produced by simulating CSP technology in the laboratory.Orthogonal experiment and analysis of variance were carried out to investigate the influence of primary recrystallization on the sharp Goss texture of the oriented silicon steel.The results show that holding time of the heating section and the heating temperature for a sharp Goss texture of the samples annealed has important implications in this experiment conditions,the two-step decarburization annealing process... 

本文研究了丙烯酸树脂含量对以Al(H2PO4)3为基料的无铬无取向硅钢绝缘涂层各项性能的影响.用盐雾实验、动电位极化及交流阻抗等试验手段研究了不同树脂含量对硅钢绝缘涂层的耐盐雾性能和电化学行为的影响,同时采用SEM对涂层的表面形貌和附着性进行研究.结果表明,树脂含量为19.9~29.4%时,涂层的耐蚀性和附着性最好;树脂含量过多时,涂层的耐蚀性和附着性均较差. This paper studies the influence of acrylic resin on the performance of insulating coating of aluminum dihydrogen phosphate on chromium-free non-oriented silicon steel.Salt spray experiment,potentiodynamic polarization and electrochemical impedance spectroscopy were used to study the influence of acrylic resin content on the salt spray resistance and electrochemical behavior of the insulation coating of nonoriented silicon steel.The surface morphologys and adhesion of coating were tested by SEM.... 

本实用新型涉及卷绕机技术领域，且公开了一种硅钢片卷绕机连接调节机构，包括两个支撑板，两个支撑板的顶部之间水平固定连接有横板，两个支撑板的下端均开设有安装口，两个安装口之间水平设有安装板，安装板的底部两端均垂直连接有驱动液压缸，驱动液压缸的底部分别连接在对应位置处的安装口内；安装板的一侧开设有条形口，条形口内水平连接有若干支撑杆，条形口的两端底部均垂直连接有固定板，两个固定板之间水平连接有若干横杆，横杆上沿长度方向等距设有若干移动座，移动座的顶部垂直连接有分隔板。本实用新型设置的分隔板可对硅钢带进行分隔，且设置的剪切刀向下对硅钢带进行切割，提高了装置的实用性。

硅钢是钢铁产品中的\"工艺品\",是高附加值产品,通过对我国主要硅钢生产厂家的工艺设备,市场情况分析,简要介绍了我国硅钢生产消费现状,未来生产能力预测及硅钢未来发展趋势。 Silicon steel is the \"crafts\" of steel products,also is high value-added product.By analyzing process equipment and market condition of major silicon steel-making plant of China,it briefly introduces our current production consumption status,future production capacity prediction and future development trend of silicon steel. 

【作者】 欧阳帆； 肖侃； ...

本发明公开了一种新能源汽车驱动电机用低铁损高强度无取向电工钢及其制造方法，所述无取向电工钢的化学成分及重量百分比包括C：0.001‑0.005％、Si：2.4‑3.0％、Mn：0.25‑0.5％、Al：0.70‑1.10％、P：≤0.02％、S：≤0.005％、0.015％≤Ce+Sn≤0.035％，余量为铁和不可避免的杂质，本发明通过加入Ce和Sn，净化钢质、微合金化提高无取向电工钢强度和磁性能，不需要添加固溶金属元素，且避免了高Si体系下的轧制困难问题，且不需要高温退火，解决了退火温度过高使晶粒异常长大，晶粒尺寸均匀性降低的问题，生产出的无取向电工钢具有较高强度的同时，还具有优良的磁性能。

【作者】 张煜； 朱国辉； ...

采用化学气相沉积(CVD)渗硅处理工艺连续制备6.5%Si高硅钢,具有优质的软磁性能,通过理论研究化学反应并且用简单的试验设备做进一步的探讨。根据试验的结果对连续制备6.5%Si高硅钢的CVD工艺构造提出全面、有效的建议,实现制备6.5%Si高硅钢系统。 CVD method for continuously manufacturing 6.5%Si Steel Sheet has excellent soft magnetic.Carried out a theoretical study of related chemical reaction and performing basic research with a simple test apparatus.Based on the results,finally proposed an overall process configuration to realize such a production-CVD method for continuously manufacturing 6.5%Si Steel Sheet. 

介绍了攀钢冶炼电工钢过程硫含量变化以及过程回硫、增硫情况,采取针对性措施,如:提高铁水装入量、转炉采用石英砂代替复合造渣剂造渣、RH脱硫等,降低钢中硫含量。结果表明:采取相应措施后,电工钢炼成率大幅提高,成品w[S]≤0.008%的比例由改进前的62%提高到92.4%,取得了明显的冶金效果。 The resulfurization and the change of sulphur content in production of electrical steel is analyzed.The targeted measures have been taken,such as increase the loaded quantity of liquid iron,quartz sand replaces the composite slagging agent in the converter and RH desulfurization to decrease the sulphur content of the steel.The result shows,after the measures have been taken,the finished product ratio of electrical steel increase a lot.The ratio of sulfur content of finished product no more than ... 

通过对湿H2气氛下,相同退火温度、不同退火时间的CGO硅钢初次再结晶样品进行金相组织观察,并进行了EBSD微观织构分析,研究了CGO硅钢初次再结晶过程中的组织及再结晶织构演变行为。结果表明,在湿H2气氛下,820℃保温,CGO硅钢初次再结晶过程约在120 s时完成。随着退火时间的延长,γ面上{111}<112>织构含量逐渐减少,{111}<110>织构先减少后增多,随着再结晶的完成,部分{111}<112>取向晶粒向高斯{110}<001>取向转化的同时,也向{111}<110>取向转化,高斯{110}<001>织构含量逐渐增多。高斯取向晶粒较多是由{111}<112>取向晶粒转化而来,同时也证明了CGO硅钢高斯取向晶粒的二次再结晶异常长大生长机制为择优形核。 Microstructure development and texture evolution of conventional grain oriented silicon steel,which were annealed at same annealing temperature and different annealing time under wet H2 atmosphere,were investigated through metallographic observation and electron backscattered diffraction analyzing.The results show that the primary recrystallization finishes in 120 s at 820 ℃ under wet H2 atmosphere.With the extending of annealing time,{111}<112> texture decreases,{111}<110> texture d... 

本发明提供一种含铜一般取向硅钢及其制备方法，制备方法包括：对钢板进行脱碳退火，得到脱碳钢，其中，将所述脱碳钢的氧含量控制在如下公式计算的范围内：ψO＝(0.0504×ωSi×H2±0.00005)×106，其中，ψO为脱碳钢的氧含量，单位为ppm；ωSi为钢板中Si的重量百分含量；H为钢板的厚度，单位为mm；将所述脱碳钢进行冷轧、涂布氧化镁涂层、卷曲和成卷退火，得到退火钢卷；对所述退火钢卷进行开卷，再涂敷张应力涂层和拉伸平整退火，制得含铜一般取向硅钢。本发明根据钢板中Si的实际含量及钢板厚度，调整脱碳钢的氧含量，以获得表面质量良好、磁性水平稳定的含铜一般取向硅钢产品。

采用低温板坯加热制备取向硅钢,通过透射电镜(TEM)观察并研究热轧板中的析出物,用ODF织构法研究热轧板距表面1/8、1/4和1/2处的织构分布。结果表明,热轧板中的析出物主要是密排六方AlN,AlN形貌呈规则长方形,AlN颗粒大小不等,分布密度低;热轧板中的织构沿板厚方向,由亚表层的{110}<001>织构向1/2中心层的α线织构变化,其中{110}<001>织构在热轧板距表面1/4层处最强。 The low temperature grain-oriented silicon steels were produced by acquired inhibitor method.The precipitates in hot rolling strip were observed and studied by transmission electron microscope,and the texture distribution in 1/8,1/4 and 1/2 layers of hot rolling strip were analyzed by ODF method.The results showed that the square shaped h-AlN is the main precipitates in hot rolling strip.The precipitates are varying in size and distribution.The texture of hot rolling strip in thick direction are...