硅钢资料

本实用新型公开了一种硅钢碎断刀具曲面车削加工装置，属刀具曲面车削加工定位工装领域。包括主体，周向设置在主体上的多个限位槽，以及对刀具横向施压并安装在对应限位槽处的施压机构，施压机构包括沿限位槽宽度方向运动并对刀具作用的施压块，以及将施压块与主体可调节安装的调节件，施压块相对刀具的一侧设置有滚动体三。通过调节调节件将施压块沿限位槽宽度方向移动，进而将刀具夹紧在限位槽内部，通过滚动体三的设置利于在加工完成后刀具和施压块分离，防止出现卡滞的现象发生，利于刀具的高效生产制作。

试验研究了球刻痕法对高磁感取向硅钢的铁损、矫顽力、相对磁导率、巴克豪森噪声等磁学性能的影响.研究结果表明:经过球刻痕处理后,高磁感取向硅钢的铁损明显降低,矫顽力下降,8 mm球刻痕过后铁损值与矫顽力分别下降16.2%和14.7%,且铁损和矫顽力均随刻痕间距降低而减少.刻痕后的高磁感取向硅钢磁导率在高磁感应强度下明显上升,刻痕后巴克豪森噪声值明显降低,经过对比分析确定8 mm为球刻痕的最佳刻痕间距.从磁畴观察、细化磁畴的原理等方面解释了细化磁畴对高磁感取向硅钢性能的影响原因. The effects of the ball scribing on magnetic properties of high permeability grain-oriented silicon steels,including the iron loss,coercive force,relative permeability,and Barkhausen noise were investigated. The results showed that the iron loss and coercive force of the high permeability grain-oriented silicon steels apparently decreased 16. 2% and 14. 7% respectively after 8 mm ball scribing and they both decreased with the decrease of the scribing spacing at the same magnetic flux density. At... 

通过热力学计算,分析了实验钢中主要析出物析出的可能性。结果表明:在液相和固液两相区中,AlN和MnS均不能析出;在奥氏体区,AlN和MnS具备热力学析出条件,平衡析出温度分别为1547、1582 K。成品退火板中的析出物主要为AlN和MnS。扫描电镜下观察到的AlN形貌多为长条状,MnS形貌多为棒状或近似球形。这两种析出物占了析出物总量的85%以上,尺寸集中分布在400~800nm;复合析出物主要是(Al2O3+MnS)和(AlN+MnS),形貌不规则,尺寸集中在0.7~1.5μm;透射电镜下观察到了少量100nm以下独立的AlN析出。 According to thermodynamic calculation, the precipitation probability of precipitates was analyzed, AlN and MnS can not precipitate in liquid phase area and solid-liquid two-phase area. In austenite area, both the AlN and MnS have precipitation condition in thermodynamics and precipitates at 1547 K and 1582 K, respectively. The precipitates in annealing plate are mainly AlN and MnS. The shape of AlN is mostly strip, and MnS is stick or near sphericity. They accounted for over 85% of the total qu... 

本发明公开了一种硅钢含铬涂层废液处理过程中六价铬浓度在线监控方法，提出一种准确检测废液中六价铬含量的方法和检测时间的确定，实现了含铬废水原液中六价铬含量预测和焦亚硫酸溶液添加量的确定及六价铬在线检测预处理系统的启动时间的确定，确保处理装置安全高效运行。在酸化还原罐上安装氧化还原电位检测仪，实时检测含铬废液在整个处理过程中ORP的变化，推测含铬涂层废液中六价铬还原情况，初步判断还原过程的终点，为在线六价铬自动检测仪的启动提供依据，最终实现解毒后废液六价铬的含量低于0.05mg/L，达到六价铬含量超低处理的要求。

取向硅钢热轧板中织构梯度对发展完善的二次再结晶十分关键,通过添加铜可以显著降低取向硅钢板坯加热温度,从而影响热轧板织构分布。利用X射线衍射仪,分析了实验室模拟薄板坯连铸连轧(TSCR)工艺的3种不同铜含量的取向硅钢热轧板织构。结果表明:不同铜含量热轧板表面到厚度1/4处均为弱的热轧织构,热轧板心部主要为{100}面织构;铜含量约在0.4%时,热轧板次表层的{110}<001>织构比例最高,而热轧板心部的{100}<110>织构比例最低;铜含量对热轧织构中{114}<110>和{001}<100>织构发展有显著影响。 The texture gradient in hot rolled grain oriented silicon steel strip is one of the essential factors to achieve a perfect secondary recrystallization.The addition of copper can significantly reduce the slab reheating temperature of grain oriented silicon steel,so as to impact the texture distribution in the hot rolled strip.The texture of hot rolled grain oriented silicon steel strip as-rolled by thin slab casting and rolling process(TSCR) in laboratory with three different copper contents was ... 

【机构】 武钢研究院； ...

通过对连退线SF炉内的电加热体的焊接技术进行总结分析,得出焊接时应采用的主要方法,采用本焊接方法可提高电加热体的焊接速度和焊接质量,保证了焊接质量和施工工期。 SF furnace for continuous annealing line heating body welding technology summary,the main method used in welding,welding method by using the electric heater to improve the welding speed and welding quality through the implementation of this method to ensure the welding quality and Construction period. 

本实用新型公开了一种环保型无取向硅钢绝缘涂层液生产用篮式研磨机，包括底座，底座顶端的一侧固定安装有支撑柱，支撑柱的顶端固定安装有顶板，顶板的底端设有研磨组件，研磨组件包括两个固定板，两个固定板分别固定安装的顶板底端的中部和底端的另一侧，底座上设有固定组件，固定组件包括四个支撑板，四个支撑板均固定设置底座顶端的另一侧，四个支撑板的顶端固定安装有固定环，固定环的内部放置有料缸，本实用新型的有益效果是：通过研磨组件在粗磨后快速切换至细磨，不需要切换研磨机，提高研磨的效率，通过固定组件将放置在固定环内部的料缸进行固定，防止研磨过程中料缸发生移动。

分析了电感耦合等离子体发射光谱法(ICP-AES)测定硅钢中铌的检测过程,讨论了该检测过程中不确定度的主要来源,建立了该方法的定量的数学模型,并根据这一模型计算出了检测结果的合成标准不确定度和扩展不确定度。 The measurement of niobium content in silicon steel by inductively coupled plasma atomic emission spectrometry(ICP-AES) was analyzed,by which the main factors affecting the uncertainty of the measurement were ascertained and the calculation formula was given.Finally,according to the formula the combined uncertainty and expanded uncertainty were obtained. 

提出了一种基于爱泼斯坦方圈族(包括标准25cm爱泼斯坦方圈、缩比的17.5cm和20cm爱泼斯坦方圈)和二级加权处理方法对爱泼斯坦测试数据,包括有效磁路长度、比损耗、励磁功率,进行处理的晶粒取向电工钢磁性能扩展模拟方法。详细地考察了励磁频率、试样剪切角度和环境温度对爱泼斯坦方圈测量结果的影响。研究结果表明,利用本文提出的爱泼斯坦方圈组合以及二级加权处理技术,可以有效地建立取向电工钢损耗模拟模型,从而更加准确地确定了取向电工钢的损耗,改善并提高了爱泼斯坦磁性能测试数据的应用价值。 The extended modeling of the magnetic properties of GO(grain oriented) electrical steel is presented in this paper which is based on a set of standard and scaled-down Epstein frames and a proposed two-level weighted processing of Epstein data, including the mean magnetic path length, specific magnetization loss and exciting power. The effects of excitation frequency, strip angle and ambient temperature on the results obtained from the Epstein frames are investigated. It is shown that using the p... 

本实用新型涉及一种硅钢片图像采集装置，在固定支架上设置有工业相机，所述的工业相机可以沿垂直方向上下移动或者沿水平方向前后移动，通过上下移动或者前后移动对硅钢片的形状和尺寸、硅钢片叠积形成的铁芯进行实时图像采集。固定支架包括：固定底座、支撑杆和工作台面，一对固定底座平行对称设置，所述的固定底座上对称设置两条竖直支撑杆，竖直支撑杆的上端面固定连接工作台面，在两条竖直支撑杆的中间位置设置升降丝杆，水平支撑杆的两端分别与升降丝杆的升降螺母固定连接，相机滑台活动设置在水平支撑杆上。本实用新型通过工业相机的上下前后移动，实现了硅钢片形状尺寸和硅钢片高度即时拍照测量，较人工测量提高了测量精度及准确性。

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...