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本发明属于冶金技术领域,涉及一种超短流程稀土取向硅钢及其制备方法,化学组成及其重量百分比为Si:2.0~4.5%,C:≤0.003%,Y:0.001~0.05%,Mn:0.15~0.35%,Al:0.03~0.04%,Cu:0~0.5%,S:0.025~0.04%,N:0.011~0.013%,其余为Fe和不可避免的杂质元素。制备工艺包括:钢水冶炼、薄带连铸、冷轧、再结晶退火。与常规生产方式相比,取消了连铸、粗轧、热连轧、常化和脱碳退火等工序,极大简化了生产流程。通过添加稀土元素钇,促进了抑制剂的析出,还显著细化了薄带连铸硅钢的凝固组织,提高组织均匀性,获得了均匀细小的等轴晶,优化了取向硅钢的性能。
2021-12-02 261 6.8

本实用新型涉及硅钢片加工领域,且公开了一种用于硅钢片钢卷制造的清洗装置,解决了目前市场上用于硅钢片钢卷制造的清洗装置工作效率低下,清洗效果不明显的问题,其包括包括清洗箱,所述清洗箱内腔的顶部与底部均安装有清洗导管,两个清洗导管的表面均等距离安装有清洗喷头,清洗箱两侧的下部分别安装有限位框和清刷框,清洗箱的一侧通过支架固定连接有安装板,安装板的表面转动连接有硅钢卷本体,硅钢卷本体的一端依次贯穿限位框、清洗箱和清刷框并延伸至清洗箱外部,该用于硅钢片钢卷制造的清洗装置,结构设计合理,清洗操作平稳,清洗干净,工作效率高,大大的提高了清洗效率和提高了清洗质量,极具推广应用价值。
2021-06-16 181 6.8

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... 
2011-04-28 245 5.8

本发明涉及一种控制高牌号硅钢退火产生月牙印缺陷的方法,多次调整硅钢退火线入炉及出炉张力参数,使带钢处于预设悬垂量内;本发明避免高速运行下带钢撞在炉辊上,从而产生月牙印缺陷,提高了产品的质量。
2021-07-09 212 6.8

本实用新型公开了一种便于操作的硅钢板带加工用打标装置,包括工作台,所述工作台的下端固定连接有多个支撑地脚,所述工作台的两端上下侧均转动连接有限位辊筒。本实用新型在进行打标时,速度监测仪会对不锈钢带的移动速度进行监测,位移机构会带动打标机构以与不锈钢带位移方向相同、与不锈钢带移动速度相等的状态进行移动,在打标机构移动的过程中,激光打标头对不锈钢带进行打标,打标结束后,位移机构带动打标机构反向位移,回到起始点,再进行下一次打标,从而可以使得不锈钢带在保持移动的状态下,使用打标机构对不锈钢带进行打标,提高打标效率,且打标机构可以对激光打标头的位置和高度进行调节,可以对不同尺寸的不锈钢带进行打标。
2021-08-11 208 6.8

针对攀钢高硫铁水冶炼现状,结合不同生产工艺路线,论述了攀钢近年来为实现低硫电工钢的生产,在铁水预处理、转炉冶炼、钢水精炼过程中硫控制技术的开发与应用,形成了低硫洁净钢生产工艺技术,实现了低硫电工钢的生产。低硫电工钢RH脱硫率可达到20%左右,成品[S]控制在0.006%左右。 According to the smelting situations of hot metal with high sulphur content at Panzhihua Steel,combined with different produce processes,technologies for controlling the sulfur content during hot metal pretreatment,converter smelting,and second refining are developed. Technologies in low-sulfur clean steelmaking are formed. Low-sulfur electric steel are produced. As for the desulfurization rate of lowsulfur electric steel can reach about 20%,and the content of [S] in products is controlled to ab... 
2013-03-28 229 5.8

无取向硅钢的磁性能主要取决于铁素体的晶粒尺寸、晶体织构和钢中的夹杂物。通过合适的化学成分设计以及采用适宜的夹杂物控制技术,可以获得最佳的夹杂物控制效果,使其纯净度大幅度提高或者无害,最终获得磁性能优良的高级别无取向硅钢。同时,为满足节能、环保、高效需求,无取向硅钢正朝着节能降耗、环境友好以及多功能、高效率、易加工等方向发展。 The magnetic properties of non-oriented silicon steel mainly depend on the grain size of ferrite,the crystallographic texture,and the inclusions in the steel.The optimum inclusion control effects can be obtained through a suitable chemical composition design and an appropriate inclusion control technique,and then the liquid steel will get be clean or the inclusion will get be harmless,finally the excellent magnetic property of the non-oriented silicon steel can be obtained.Meanwhile,in order to ... 
2013-03-28 222 5.8

为了消除硅钢在连续退火机组产生的浪形缺陷,对浪形缺陷产生的主要原因进行了分析。制定了相应控制措施,对炉内带钢张力、冷却段输出、碳套辊与带钢的同步性、无氧化炉燃烧状态等参数进行了调整;在生产组织上安排高低牌号宽窄规格穿插生产、定期更换碳套辊等,实施后效果明显。 The main cause leading to waviness defects of silicon steel is analyzed in order to eliminate the waviness defects of silicon steel in continuous annealing line.And thus corresponding measures for controlling these defects are made by means of adjusting these parameters such as the tension of silicon steel coils in continuous annealing furnace,the output in cooling section and the combusting condition of the non-oxidation furnace as well as keeping the synchronization between carbon sleeved roll... 
2013-03-28 187 5.8

为研究常化温度对热轧无取向硅钢组织与织构的影响,采用光学显微镜、背电子散射衍射技术研究了不同常化温度对其影响。结果表明,实验硅钢板在700~850℃温度下常化时,随常化温度的升高,晶粒尺寸增大,有利组分α织构增强,不利组分γ织构降低。对比研究了800℃和850℃常化热轧板CSL晶界分布图与取向差分布图,在本文研究条件下,Goss织构易在Σ=3,9的CSL晶界及晶粒取向差为30°~55°处形成。 The hot strips normalized at different temperatures were investigated by optical microscope and EBSD to study the effect of normalizing temperature on microstructure and texture of hot-rolled non-oriented silicon steel sheets.The results show that the grain size increases,the intensity of α-fibre texture increases,and the γ-fibre texture decreases when the hot strips are normalized at the 700-850 ℃.And CSL boundaries of Σ=3 and 15,and misorientation angles between 30° and 55° are more likely rel... 
2023-05-11 313 5.8

本发明公开了一种硅钢片冲压设备及其使用方法,包括底座,所述底座顶部的左侧固定连接有侧板,所述侧板表面的中心处开设有限位滑孔,所述底座内腔底部的左侧固定连接有伺服电机,所述伺服电机的输出轴固定连接有螺纹杆。本发明通过设置伺服电机、螺纹杆、螺纹套和限位滑杆,能够带动支撑板和气缸进行高度调节,同时能够带动上板和冲压板进行高度调节,方便使用者适应不同厚度的硅钢片,同时支撑杆、套筒和复位弹簧能够带动顶板在不受力的情况下复位至活动槽的外部,方便使用,解决了现有的硅钢片冲压设备在使用时不能根据硅钢片的厚度进行冲压高度的调节,因此不能很好的适应使用需要的问题。
2021-05-31 224 6.8

以市场上购买的取向硅钢成品板为原料,经不同压下率冷轧至0.23~0.08 mm不等。借助X射线衍射仪(XRD)检测了冷轧后样品中的织构组分及其含量,利用电子背散射技术(EBSD)测量了试样的取向因子分布情况。观察了孪晶的形貌与晶体学特征,分析了硅钢超薄带的塑性变形行为。结果发现,在平面压缩应力下,{112}<111>滑移系的取向因子较大。随冷轧压下率的增加,Goss织构的含量逐渐减少,{212}<141>织构组分的含量先增加后减少,{111}<112>织构组分的含量逐渐增加,织构组分以{110}<001>→{212}<141>→{111}<112>顺序演变。冷轧后样品中出现了孪晶,其晶体取向为{001}<110>,冷轧过程中孪晶取向没有发生变化。 The commercial finished oriented silicon steel plate as the raw material were rolled to 0.23-0.08 mm. With the X-ray diffractometer(XRD), the texture components and their volume fractions in the cold-rolled samples were detected. And the orientation factor distribution of the cross-section of the samples was measured by the electron backscattering technique(EBSD). The morphology and crystallographic characteristics of twins were observed, and the plastic deformation behaviors of the ultra-thin o... 
2022-02-28 270 5.8

【机构】 武汉钢铁学院轧钢七二级电工钢结业小组; ...
2023-05-12 378 5.8

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