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利用EBSD技术对CGO硅钢热轧、中间退火、脱碳退火及二次再结晶退火组织及织构进行分析,研究了CGO硅钢各阶段加工制备过程中高斯{110}<001>晶粒的形状、尺寸及分布特点,分析了高斯取向晶粒在各工序过程中的遗传继承性特点。结果表明,CGO硅钢热轧板的次表层存在Goss取向晶粒,历经一次冷轧及中间退火后Goss取向晶粒基本消失,一次再结晶之后Goss织构仍不是主要织构,主要织构为{111}<110>和{111}<112>,说明Goss取向晶粒在二次再结晶退火前数量及尺寸上并不占优势,二次再结晶过程中Goss取向晶粒异常长大形成锋锐Goss织构。{111}<110>和{111}<112>织构组分的强度在一次冷轧中不断增加,{111}<112>织构组分的强度在二次冷轧后达到最大而{111}<110>织构组分是在初次再结晶后变强。 Grain shape,size and distribution of { 110} < 001 > Goss grains in CGO steel and the hereditary characteristics of Goss orientated grains during each processing period were investigated,based on the analysis of the microstructure and texture of the CGO silicon steel during hot rolling,intermediate annealing,decarburizing annealing and secondary recrystallization annealing by means of EBSD. The results show that Goss orientated grains exist in the subsurface of the hot rolled plate,and Goss... 
2014-10-28 91 5.8

本发明涉及收卷装置技术领域,且公开了一种用于硅钢片横剪线的卷料自动上料装置,包括底座,所述底座顶端固定连接有底托,所述底托的顶端活动连接有外筒,所述外筒的中间通过轴承活动连接有阻力轴,所述阻力轴的正面固定连接有内筒,所述内筒外侧与外筒内侧的中间活动连接有连轴,所述连轴的中间固定连接有送料电机,所述送料电机的一侧固定连接有卷轴卡辊。本发明将原本固定式卡辊及送料电机,设置为可绕外筒内壁进行移动的活动式卡辊,在进行上料时通过外筒将卷轴卡辊旋动至底端进行直接上料,无需停机替换,提高了卷料替换的连续性,同时避免了使用吊车进行吊装过程中吊装不稳定造成的上料精度不高和卷轴掉落损坏等问题。
2021-09-26 77 6.8

本实用新型公开了一种风电机组取向电工钢用罩式炉的砂封振动装置,包括:基座,设置有行走机构,行走机构带动基座沿环形砂封槽槽壁行走;振动齿座,与基座连接,定位座和基座之间夹设有弹性缓振件;振动件,与定位座固定连接;振动齿,与振动齿座固定连接,设置于基座的行走轨迹内侧。该风电机组取向电工钢用罩式炉的砂封振动装置利用砂封槽的槽壁作为行走机构的轨道,振动齿不仅可以平整砂封槽中的密封砂,振动状态下还能使密封砂填充得更趋密实,避免局部密封不良的问题,优化密封效果。
2021-08-28 97 6.8

本发明一种基于冷轧全流程数据的硅钢铁损预测方法,其对冷轧硅钢进行全流程物料跟踪,以基于聚类算法分类,并选取代表性工艺作为神经网络的训练集来对冷轧硅钢铁损进行预测,以探明冷轧各机组工艺对冷轧硅钢铁损的影响。
2021-03-15 202 6.8

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 ... 
2013-06-28 91 5.8

结合冶炼无取向硅钢的生产实际,对钢中硫的来源,以及炉渣性质、钢水温度、底吹强度对脱硫的影响进行了分析。研究表明,转炉钢中硫的主要来源为铁水、废钢、铁水渣及石灰带入;冶炼硅钢时,终渣碱度为3.0~3.5,w((FeO))≤20%,终点钢水温度大于等于1 680℃,加大底吹搅拌强度能提高转炉脱硫效果。硅钢平均出钢硫的质量分数为0.004 8%,能满足无取向硅钢对硫含量的要求。 With the actual production of non-oriented silicon steel,the source of sulphur and the effect of metallugic parameters like slag properties,temperature of molten steel and bottom stirring on desulphurizing ability were investigated.The results show that the main source of sulphur is molten metal,scrap,the remaining slag volume in hot metal and lime.The degree of desulphurization for smelting silicon steel can be increased through adopting the following measures,such as the basicity of finishing ... 
2011-02-28 106 5.8

采用CVD法制备6.5%Si高硅钢,介绍了具体的制备工艺过程,研究了温度对渗硅速率和试样质量减轻的影响,同时分析了扩散时间对高硅钢中硅分布的影响。结果表明:在CVD反应过程中,反应温度高于1050℃将大大提高渗硅速率,但当温度大于1200℃后,渗硅速率趋于稳定;渗硅后,试样会减轻、减薄,随着温度升高,试样质量减轻的速率逐渐增大,在1200℃左右趋于稳定;扩散时间越长,硅分布越均匀,结合制备效率进行考虑,满足Δw表-中/b≤5的时间为适宜的扩散时间。 6.5%Si high silicon steel was manufactured by using CVD method and the process was introduced,the influence of temperature on the siliconizing rate and quality reducing rate,diffusion time on silicon distribution were investigated.Results as follows: the siliconizing rate will increase quickly when the temperature is higher than 1050 ℃,but the siliconizing rate will become steadily as the temperature up to 1200 ℃;The quality reducing rate will increase with the elevating of temperature and the r... 
2013-01-28 86 5.8

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... 
2014-03-28 104 5.8

采用双辊薄带连铸技术试制了3.98%Si-0.71%Al无取向硅钢铸带,研究了二次冷轧法对硅钢组织和磁性能的影响。结果表明:硅钢铸带显微组织为等轴晶组织,铸带再结晶较完全,常化对铸带显微组织影响较小。二次冷轧工艺和一次冷轧工艺下,最终退火后成品显微组织为等轴晶组织,二次冷轧法最终退火后的晶粒尺寸小于一次冷轧法。二次冷轧法能够提高成品磁性能. Effect of double cold rolling on magnetic properties and microstructure of 3.98%Si-0.71%Al non-oriented silicon Steel Sheets cast by twin-roll thin strip casting process were investigated.The results show that the structure of the thin strip is equiaxed crystal,the recrystallization is complete and normalizing has lesser effect on microstructure.Using both cold rolled and double cold rolled process,the microstructure is equiaxed grain after final annealing.The average grain size of annealed shee... 
2013-10-28 91 5.8

本发明提供的一种耐热型低损耗取向硅钢,取向硅钢的单面采用激光刻痕形成平行线状沟槽;所述激光刻痕为取向硅钢制备工艺中的渗氮步骤之后和在涂覆MgO涂层步骤之前实施;在渗氮步骤之后和在涂覆MgO涂层步骤之前进行激光刻痕加工不会破坏高温退火后形成的硅酸镁底层,底层完整性好,刻痕形成的沟槽位于取向硅钢带材金属基体表面,在高温退火过程中沟槽内直接反应生成硅酸镁底层,最终取向硅钢带材表面涂覆张应力涂层后光滑、平整、无凹凸,取向硅钢带材损耗低、叠片系数高、耐热,成品取向硅钢带材既可用于制备立体卷铁心变压器也可用于制备叠片铁心变压器。
2021-11-23 90 6.8

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。
2020-12-30 68 6.8

本发明涉及一种百吨级超低氮硅钢大钢锭的制造方法,涉及硅钢的制造技术领域,包括以下步骤:取优质废钢、生铁配料作为炉料,电炉冶炼,电炉冶炼,LF精炼、两次VD脱气,精炼包真空吹氩直注的工艺方法。其优点在于,本发明提供的百吨级超低氮硅钢大钢锭的制造方法,采用本方法制造的百吨级大型超低氮硅钢钢锭,成分全部满足规范要求,其中氮含量控制在25ppm以下,氧含量控制在10ppm以下,氢含量控制在0.7ppm以下,硫含量控制0.002%以下,磷含量控制0.006%以下,铝含量控制0.020%以下。
2021-12-08 87 6.8

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