硅钢资料

本实用新型属于抛丸设备技术领域，具体涉及一种硅钢抛丸用耐磨抛丸头，包括壳体、进丸管、定向套、分丸轮、多块截面呈工字形的叶片和两块对称设置的护板，多块叶片沿护板的周向均匀分布，叶片安装在两块护板之间；叶片的左右两侧分别设有一组卡槽，一组卡槽包括两个卡槽，一组卡槽上滑动连接有能与叶片表面接触的耐磨板；叶片上设有用于固定耐磨板位置的固定件；壳体内可拆卸的安装有耐磨衬板。在本方案中，将耐磨板可拆除的安装在叶片中，耐磨板对叶片有保护的作用，能避免叶片被磨损；当耐磨板损坏后只需更换新的耐磨板，而不需更换叶片，能够有效节省成本。同样的耐磨衬板对壳体也有保护作用，能够在很大程度上减少壳体被磨损。

本发明公开了一种弧形硅钢片、弧形硅钢片治具及弧形硅钢片制造方法；弧形硅钢片治具包括压制底板和侧挤压板，压制底板和侧挤压板之间具有挤压间隙，挤压间隙的两侧分别设置有位于压制底板内侧的外挤压面和位于压制底板外侧的内挤压面，外挤压面和内挤压面的对应位置上开设有若干齿槽加工台阶，压制底板的下方开设有若干与挤压间隙连通的焊接孔，压制底板和侧挤压板的侧面对应位置设置有贯穿压制底板和侧挤压板的冲压模孔；通过弧形硅钢片制造方法，采用弧形硅钢片治具制成弧形硅钢片。本发明采用弧形硅钢片治具及弧形硅钢片制造方法实现动子中弧形硅钢片的压制成型，通过弧形硅钢片实现直线电机的圆周运动或圆弧运动。

本发明涉及取向硅钢技术领域，且公开了包括以下步骤：步骤一：冶炼，冶炼经转炉和RH精炼后得到钢水，在进行冶炼的过程中通入空气并设置总进气量100‑300Nl/min，且通入的空气中氧含量为20‑21％之间。该磁性优良的高磁感取向硅钢的气氛控制工艺，通过在不同的流程中，加入一定配比的氧气和氮气的含量，有效的提升每个阶段的气氛控制精度，从而得到最终的高磁感取向硅钢达到优良，避免了因气压、流量等因素影响最终高磁感取向硅钢磁力效果，炉渣中FeO含量减少，提高钢回收率和炉衬寿命，进而也起到降低生产成本的效果，且进行精确的气氛控制，使得在进行高磁感取向硅钢的冶炼中，使得冶炼的效果更好，使得冶炼出来的高磁感取向硅钢的磁性更加的优良。

【作者】 马芳； 张春红； ...

【摘要】 <正>含6.5%Si的电工钢是软磁特性最佳的电...

为研究退火工艺对普通取向硅钢初次再结晶组织的影响,对经不同温度、保温时间和升温速率退火后的材料组织进行了分析。结果表明:在等温退火条件下,加热至600℃时开始发生初次再结晶,800℃以上初次再结晶组织发展完善;而在最终冷轧板直接进行最终高温退火的情况下,加热温度在500～700℃时,将升温速率提高到80℃/h,初次再结晶组织更易于发展完善。 To investigate the influence of annealing process on the recrystallization of common grain oriented silicon steel,microstructures of sheets annealed at different temperature,soaking time and heating rate are observed.Results show that under the condition of isothermal annealing,recrystallization begins at 600℃ and fully develops above 800℃,while in the case that the final cold rolled sheets are directly thrown to final high temperature annealing,recrystallization is likely to develop with the he... 

以水氯镁石为原料,采用氨法沉镁-煅烧-添加剂的方法制备硅钢级氧化镁。考察了反应温度、反应pH值、陈化时间对中间体氢氧化镁纯度及转化率的影响;研究了煅烧温度和煅烧时间对氧化镁水化率的影响及添加剂的量对氧化镁悬浮性能的影响。控制实验条件为:反应温度55℃,pH值为9.5,陈化时间2h,煅烧温度1050℃,煅烧时间2h,添加剂量为0.8%,制得氧化镁的纯度为98.99%、水化率为2.92%、悬浮性能为3mm/h,达到硅钢级氧化镁的要求。 Using bischofite as raw material,the preparation of magnesium oxide with silico-steel grade was studied.The effects of reaction temperature,reaction pH value and aging time on the intermediate magnesium hydroxide purity and conversion rate were studied.Calcinations temperature,calcinations time relationship to the hydration rate of MgO and amount of additive to the suspension performance of MgO were investigated.The results indicated that the optimum technological conditions were as follows:reac... 

无取向硅钢中夹杂物的存在会抑止晶粒生长,使基体的均匀连续性中断,其在钢中的形态、含量及分布情况都不同程度影响着硅钢的性能,尤其是对磁性能起关键的作用。因此,全尺度分布考察夹杂物对无取向硅钢夹杂物的研究极为重要。本实验确定了适用于不同牌号无取向硅钢夹杂物全尺度分布的分析方法:样品制备—小样电解—过滤喷金—根据不同牌号的要求选择合适的放大倍率扫描观测—夹杂物颗粒的分类统计。通过统计的结果,结合电解的失重量可以得到不同尺度的体积分布数据。实验分析了不同牌号和工艺无取向硅钢夹杂物的种类、形貌、大小和尺度分布,并初步考查了夹杂物与磁性能的关系,对无取向硅钢的工艺研究具有一定参考价值。 Inclusions in non-oriented silica steel could inhibit the growth of grain and cause discontinuity of micro-structure.The configuration,content and size distribution of inclusion have different effects on the performance of silica steel,especially significant on the magnetic property.Therefore,it is very useful to completely characterize inclusions with full size distribution in silica steel.In our research,full size analysis method for inclusion in silica steel had been established as follows: s... 

【摘要】 <正>2012年3月29日中国钢铁工业协会在上...

对CSP流程生产的无取向电工钢M50W800不同尺寸样品的磁性能进行了测试和分析,结果表明:采用不同单片检测的磁性能结果与标准的Epstein方圈样品检测对比,存在明显的偏差;且同一尺寸的单片纵横向样品之间相比较,对应的磁性能差异性也较大。几种不同尺寸的单片样品,以320mm×30mm尺寸的纵横向平均值最接近标准Epstein方圈样的性能值,其铁损偏差最小。 The magnetic properties of M50W800 non-oriented electrical steel produced by CSP process were tested and analyzed with samples of different sizes,showing that significant deviation existed compared to that of Epstein square circle sample.In particular,obvious difference in magnetic properties also existed between longitudinal and transverse samples of the same size.For test samples of different sizes,the average magnetic properties of 320mm×30mm samples are the closest to that of Epstein square ... 

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... 

简述了无取向硅钢环保涂层发展背景,分析了硅钢环保涂层的特点及国内、外研究进展,提出了硅钢保涂层下一步的发展方向。 The back ground of environmental protection coating of non-oriented silicon steel was described in this paper.The characteristics and study progress in domestic and foreign of environmental protection coating of non-oriented silicon steel were analysised.The next development direction of environmental protection coating of non-oriented silicon steel was put forward.