硅钢资料

6.5%Si硅钢具有优异的磁学性能和广泛的应用前景。本文综述了6.5%Si硅钢的物理、机械及磁学特性,讨论了传统轧制、温轧、薄带连铸、快速凝固、CVD、粉末轧制等不同制备工艺的关键技术及特点,概括了6.5%Si硅钢在高效节能电机、汽车马达及磁屏蔽等领域中的主要应用,介绍了硅钢的制备技术取得的研究进展,并指出了其广阔的发展前景。 6.5% Si silicon steel has good magnetic properties and wide applications.In this paper physical and mechanical magnetic properties were summarized,and key technology and characteristic of several preparation methods,such as traditional rolling,warm rolling,thin strip continuous casting,rapid solidification,CVD and powder rolling,were discussed.Main applications of 6.5% Si steel in the fields of high-efficiency electrical motors,automobile motors,transformer cores and magnetic shielding were gene... 

【作者】 程志明； ...

本实用新型提供了一种无取向硅钢涂层喷涂装置，属于冶金行业涂层技术领域，包括上涂辊和下涂辊，所述上涂辊一侧设有上喷淋管，下涂辊一侧设有下喷淋管，在上涂辊和下涂辊间的水平面上方设置一个倾斜挡板，所述上喷淋管对准倾斜挡板，下喷淋管对准下涂辊，所述下涂辊下方设置一个涂液收集槽，下涂辊部分置于涂液收集槽中，涂液收集槽底板设有涂液回流口，所述涂液收集槽通过一个升降装置调节自身高度。该装置稳定性好，可靠性高，能够有效保证无取向硅钢下表面涂层质量，避免出现漏涂或者涂层条纹缺陷，提高无取向硅钢涂层质量。

概述了高磁感取向硅钢生产工艺的研究现状及发展趋势。介绍了国内外薄板坯连铸连轧流程生产高磁感取向硅钢的研究现状。从流程工序特点、热履历、组织与抑制剂控制方面进行对比,分析了薄板坯连铸连轧流程相对传统板坯流程生产高磁感取向硅钢的技术优势,在此基础上提出了利用该流程生产高磁感取向硅钢需要解决的主要技术难点。 The current status and development trend of production process for high magnetic induction grain-oriented silicon steel are summarized.The research status of producing high magnetic induction grain-oriented silicon steel by thin slab casting and rolling process at home and abroad is introduced.The potential technical advantages of producing high magnetic induction grain-oriented silicon steel by thin slab casting and rolling process are obtained by analyzing in terms of process characteristics,t... 

本实用新型属于输送设备技术领域，具体涉及一种硅钢拉伸平整用转向辊，包括辊本体，辊本体的中部可拆卸的安装有环形凸块，环形凸块的宽度在350‑450mm，环形凸块的厚度在3‑5mm。在本方案中，在辊本体的中部设置环形凸块，环形凸块能较好的与硅钢的中部位置接触贴合，辊本体通过环形凸块除了能较好的将硅钢输送向前，还能有效防止硅钢跑偏。环形凸块可拆卸的安装辊本体上，当环形凸块使用了一段时间发生了严重的磨损时，更换新的环形凸块即可，无须更换辊本体，有效节省成本。

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... 

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. 

采用光学显微镜、X射线衍射仪等分析了宁波钢铁有限公司生产的取向硅钢不同工序下的组织及织构演变规律。结果表明:铸坯经过热轧后,沿着厚度方向组织不均匀;一次冷轧并经脱碳退火后,组织由条状纤维状变成等轴状的初次再结晶晶粒,初次再结晶平均晶粒尺寸为18.17μm,织构主要以α织构和γ织构为主;在二次冷轧后,晶粒再次被压缩,转变为纤维状,织构主要为γ织构;经过高温退火后,发生二次再结晶,晶粒异常长大,晶粒尺寸达到厘米级,织构成分为单一且锋锐的Goss织构。 The microstructure and texture evolution of oriented silicon steel produced by Ningbo Iron and Steel Co.,Ltd.were analyzed by optical microscope and X-ray diffraction.The results showed that the microstructure of the slab was inhomogenous along the thickness direction after hot rolling.After first cold rolling and decarburizing annealing,the microstructure changed from strip fibrous to equiaxed primary recrystallized grains,and the average grain size of the primary recrystallization microstructu... 

本发明公开了一种直流换流阀饱和电抗器用超薄硅钢铁心质量的评估方法，包括以下步骤：S1、外观评价；S2、叠装系数评价；S3、磁性能评价；S4、噪声评价；S5、耐受环境温度变化评价和S6、长期运行性能评价，本发明考虑了直流换流阀饱和电抗器对超薄硅钢铁心外观、叠装系数、磁性能、噪声及长期运行等特性要求，实现了超薄硅钢铁心外形外观的性能评估、铁心基本参数评估、电磁性能评估、耐受环境温度变化评估及长期电热运行特性评估，为直流换流阀饱和电抗器用超薄硅钢铁心可靠运行提供了保障。

研究了退火温度和退火时间对电沉积硅钢试样中的断面层组织、硅在试样中的分布情况、织构分布和磁性能的影响。结果表明:退火温度为1000℃、退火时间为210 min时得到的试样晶粒分布均匀、硅在试样中分布均匀、硅平均浓度为6.3715%(接近6.5%)。试样的织构分析及磁性能检测的结果表明,在较高温度下延长退火时间可增加{100}和{110}面织构,降低铁损,所得试样的磁性能较为良好。 The effect of annealing temperature and time on the microstructure, distribution of silicon,texture and magnetism of the high silicon steel prepared by electrodeposition was investigated. The results showed that after annealing at 1000℃ for 210 min, the mean grain size of steel was about 190 μm with a uniform grain size distribution, and the silicon is also uniformly distributed on the entire cross section with an average Si concentration 6.3715%(close to 6.5%); With the increasing annealing tim... 

本发明公开了一种低磁场条件下高磁感应强度无取向电工钢及生产方法，步骤包括：冶炼：炼钢、连铸生产铸坯，所述铸坯中：以质量百分比计，Si2.0％、Mn0.2‑0.5％、ALs0.3‑0.6％、N≤0.002％、S≤0.002％、Ca≤0.001％，余量为Fe及不可避免的杂质；板坯热轧、卷取；常化处理；退火处理。本发明通过合理的电工钢成分设定、生产工艺、稳定的控制精度，从一贯制角度对产品进行设计及控制，最终能够保证产品质量稳定、具有低磁场条件下高磁感应强度的Si含量2％的0.35mm厚度无取向电工钢产品。

借助光学显微镜、扫描电镜、交流磁性能测量仪和万能拉伸试验机研究了0.3 mm厚高强无取向电工钢冷轧板在780、820、860和900℃退火保温2 min后的组织、织构和性能。结果表明:在退火温度范围内,试验钢均发生了完全再结晶,得到等轴状的铁素体晶粒;随着退火温度的升高,平均晶粒尺寸从9.2μm增长到41.3μm,工频铁损和400 Hz高频铁损均先大幅减小后趋于平缓,磁感应强度先升高后降低。在820℃退火时,铁损P_1.5/50=5.51 W/kg,P_1.0/400=33.22 W/kg均处于较低值,磁感应强度B₅₀₀₀最大,为1.649 T。试验钢的屈服强度和抗拉强度均随退火温度的升高而降低,780℃退火时屈服强度为496 MPa, 900℃退火时降低至407 MPa。综合磁性能和力学性能考虑,试验钢的最佳退火温度是820℃。 Microstructure, texture and properties of 0.3 mm thick high strength non-oriented electrical steel cold rolled sheet annealed at 780 ℃, 820 ℃, 860 ℃ and 900 ℃ for 2 min were studied by means of optical microscope, scanning electron microscopy, AC magnetic property tester and universal tensile testing machine. The results show that in the annealing temperature range, complete recrystallization of the experimental steel occurs and equiaxed ferrite grains are obtained. With the increase of annealin...