硅钢资料

通过金相分析和电子背散射衍射技术研究了一种新型含铜无取向电工钢在950℃退火不同时间(3～180s)空冷后的组织和织构取向的演变。结果表明:该钢在退火3s时的主要织构为α和γ线织构,{100}<110>织构最强;退火20s时织构以<111><112>、{111}<110>、{112}<110>、高斯织构和立方织构为主,随着退火时间的延长,高斯织构和立方织构强度呈减弱趋势;合理控制保温时间有利于提高{100}、{110}面织构的占有率。 Evolution of microstructure and texture oriented of a new non-oriented electrical steel during annealing at 950℃for different times(3-180) s and air cooling was studied by metallography and electron back-scattering diffraction analysis.The results show that after annealing for 3 s most of the texture oriented alongα-fibre andγ-fibre,the intensity of {100}〈110〉was the strongest.{111}〈112〉,{111}〈110〉,{112}〈110〉,Gauss texture and cube texture were the main texture after annealing for 20 s,with the ... 

采用中、厚板坯生产技术对取向硅钢进行了研制和开发,对热轧及后工序样品进行了金相组织观察和EBSD分析,探讨了两种组织及织构的差异性,研究结果表明:除高温退火样品外,中板坯生产的取向硅钢各工序样品平均晶粒尺寸大;厚板坯生产的取向硅钢热轧和常化样品亚表层Goss织构强;中板坯和厚板坯的脱碳退火板织构没有明显区别。中板坯生产的取向硅钢成本低,产品磁性能和质量与厚板坯相当。 Grain oriented silicon steel was researched and developed by medium thickness slab and thick slab.Microstructures observation and EBSD analysis to the samples of hot rolling and following processes were carried out,respectively.The differences between the two kinds of microstructures and textures were discussed.The results show that the average grain sizes of every process samples are larger except that of high temperature annealing samples of grain oriented silicon steel produced by medium thic... 

本发明一种铝镇静含硅钢的脱氧方法，包括转炉冶炼、LF炉精炼工序，转炉工序：转炉出钢过程采用含硅脱氧剂进行脱氧，出钢完毕后，向钢液表面加入顶渣改质剂，数量为400±25kg/炉，所述顶渣改质剂的成分及其质量百分含量为：Al2O3：9％±1％，CaO：27.5％±1.5％，SiO2：3％±1％，Al：50％±2％，CaF2：7％±1％。精炼工序：采用铝脱氧剂进行脱氧、造渣。本发明通过两步脱氧工艺，大幅降低脱氧成本同时提高钢水质量，由于硅脱氧相对于铝脱氧在钢水中形成的夹杂物更容易上浮，所以也提高了钢水纯净度，提高钢水质量。

介绍了烟气余热利用系统的工艺流程及控制思想,结合该系统在钢厂硅钢连续退火机组中的应用实践,估算出烟气余热利用系统每年可节约蒸汽5 040 t,经济效益良好,同时分析了该系统存在的问题及对策。 Introduced a method about the process and control of the application of waste heat system, which had been used into a silicon steel continuous annealing line and profiting a good economic benefit by saving a large number of steam every year, which has been estimated about 5 040 tons, and analyzed the problems and solutions existed in this system. 

本发明提供一种能够有效地抑制去应力退火中的渗碳、氮化的，实施了耐热型的磁畴细化处理的取向性电磁钢板。该取向性电磁钢板在一侧面具有多个槽，在所述钢板的表面至少具备镁橄榄石被膜，该多个槽是朝向横切轧制方向的方向线状地延伸且在该轧制方向隔着间隔地并列，并且，形成于所述槽的底部的所述镁橄榄石被膜厚度的平均值为0.45μm以上，并且该厚度的标准偏差σ为0.34μm以下。

本实用新型公开了一种变压器铁芯硅钢片叠装平台，包括支撑架、升降装置、铁芯架和硅钢片支撑板；铁芯架为硅钢片叠放形成铁芯的作业架，硅钢片支撑板用于储放构成铁芯的硅钢片，铁芯架及硅钢片支撑板均通过升降装置活动设置于支撑架上，且在叠装作业过程中，铁芯架与硅钢片支撑板通过升降装置驱动同时升降。本实用新型提供的一种变压器铁芯硅钢片叠装平台，提高铁芯叠装作业的便捷性，降低劳动强度，提高效率。

本发明公开了一种硅钢高温加热炉用铬基高氮合金垫块及其制备方法，所述合金垫块含有Cr、Mo、N、La、Ce和Fe，不含有钨；所述合金垫块在高温抗氧化性能和高温抗蠕变性能上，优于现有技术的铬铁合金；本发明可以优化替代现有的硅钢高温加热炉用铬铁合金垫块，满足硅钢在加热炉中的加热需求，大规模工厂化生产，拥有极高的使用价值和广阔的应用市场。

本发明公开了一种无底层取向硅钢的制备方法，包括以下步骤：S1、坯料预处理、S2、脱碳退火、S3、涂覆隔离剂、S4、高温退火、S5、拉伸热平整和S6、激光去除底层，所述激光去除底层的工艺参数为：激光400‑500W，重复频率100‑150kHz，振镜扫描速度6000‑7000mm/s。本发明利用激光刻痕的物理方法制备了无底层取向硅钢，代替了传统的用酸去除取向硅钢涂层或硅酸镁底层，制备的取向硅钢表面光亮，不含涂层或硅酸镁底层，同时通过退火补偿了激光制备过程中对钢带产生的塑性变形，制备的无底层取向硅钢，磁性能稳定。

【作者】 卢鹏； ...

介绍了EB5325涂层液的主要性能和中冶新材生产冷轧无取向电工钢所用的涂层设备,通过多次试验摸索出使用EB5325涂层液的工艺,对涂层出现的缺陷进行分析研究,并提出解决方法,使中冶新材生产的冷轧无取向电工钢的涂层质量满足了用户的要求。 This article introduces the main properties of EB5325 and the coating equipments for cold-rolled non-oriented electrical steel. A process using EB5325 coating liquid is made through many time experiments and exploration. The appeared defects in the coating are studied and analyzed,and the solutions are proposed. The coating quality meets clients’ requirements of cold rolled non-oriented electrical steel. 

【摘要】 <正>2012年3月29日中国钢铁工业协会在上...

针对川威950的工艺现状,结合无取向低硅钢SGG生产的工艺特点,主要从控制其钢坯加热和轧制以及终轧温度和卷曲温度几方面入手,进行无取向低硅钢生产的工艺控制研究。同时根据近6000吨的生产实践表明,该工艺措施能很好的满足该钢种的需要。 950 process Chuanwei status quo,with non-oriented silicon steel production process features low,mainly from the control of billet heating and rolling and finish rolling temperature and coiling temperature of several aspects,for non-oriented silicon steel production process of low control at the same time According to nearly 6,000 tons of production practice shows that the process measures could well meet the needs of the steel.