硅钢资料

选用国内外无取向硅钢标杆企业A、B、C的产品,采用非水溶液电解提取+SEM(EDS)方法,分析了其典型牌号对应成品试样中的夹杂物。结果表明,从磁性能控制角度而言,受钢的化学成分及生产工艺影响,A、B、C企业成品试样的夹杂物尺寸、种类、数量存在差异,这些差异对其磁性能产生显著影响;从夹杂物控制角度而言,A、B、C企业对应成品试样的夹杂物,以MnS、CuxS复合或者AlN、MnS、CuxS复合为主,其中1.0μm以下的夹杂物数量分别为2.34×107个/mm3、2.98×107个/mm3和11.98×107个/mm3,1.0μm以上夹杂物数量均很少,夹杂物的平均尺寸从大到小依次为A企业、B企业、C企业。 According to the production of three benchmarking manufacture enterprises A,B and C of non-oriented silicon steel at home and abroad,the inclusions in finished steel samples with typical grades were investigated by electrolytic extraction from non-aqueous solution and SEM(EDS).Results show that,from the viewpoint of improving the magnetic properties,affected by chemical composition and production technique,the size,type and amount of inclusions in finished steel samples are various,which will af... 

在Gleeble-3500热/力模拟试验机上对HW600钢进行高温压缩试验,研究在不同试验条件下的变形抗力。试验结果表明:变形温度对变形抗力的影响最为显著,在相同的变形速率下,随着变形温度的升高,变形抗力降低;在同一变形温度下,变形速率增大,变形抗力增加;在同一变形温度、变形速率下,随着变形程度的增加,变形抗力急剧增大,真应变达到0.1后,变形抗力增加趋势变缓。 The high-temperature compression test is done for HW600 steel with Gleeble-3500 thermal simulation testing machine to research its resistance to deformation under different test conditions.It is showed from result that deformation temperature has greatest effect on the resistance,and along with the temperature getting higher the resistance lowered under same deformation rate;the resistance increases along with deformation rate getting greater under same temperature;and under same deformation tem... 

【作者】 朱传芳； 潘恒韬； ...

以能量平衡和辐射换热理论为基础,通过合理假定,建立了硅钢无氧化加热炉数学模型。采用数值计算的方法,通过自编程序,完成对带钢加热过程温度场的仿真。结果显示:数学模型能够反映带钢在无氧化炉内的加热过程,其升温曲线能够与工艺曲线相吻合;现行炉温分布并非最优,数学模型能够为炉温分布的优化、炉段的设计提供理论依据。 Mathematical model of NOF Section of Continuous Annealing Furnace is established based on energy balance and radiation heat exchange. The temperature field of steel is simulated by mathematical computation. The simulating results show that the mathematical model can reflect the heating process of silicon steel in NOF section, and the heat-up curve is coincide with the processing curve. From the results,it is known that the current furnace temperature gradient is not the best, and the mathematica... 

研究了含铜低碳低硅无取向电工钢中的析出相及其析出机理.由能谱(EDS)及选区电子衍射(SAED)分析可知,铁素体基体上存在的大量弥散分布的等轴状析出相为类B2结构的铜.这些铜析出相的析出机理可以是一般析出、位错析出、台阶机理相间析出和弓出机理相间析出:一般析出在550、650和750℃三个等温温度均可发生;位错析出只发生在较低的等温温度(550℃),此时析出相呈特殊的平行短列状;台阶机理相间析出也可在上述三个等温温度下发生,但650℃等温时最有利于台阶机理相间析出,此时析出相平直列状分布;弓出机理相间析出只发生在较高的等温温度(750℃),析出相弯曲列状分布. Precipitates in low-carbon low-silicon non-oriented electrical steel containing Cu were studied and the precipitation mechanism was analyzed by means of energy dispersive spectrometry(EDS) and selected area electron diffraction(SAED).It is found that the equiaxed precipitates of Cu with B2-like structure distribute dispersively in the non-oriented electrical steel.The precipitation mechanism involves general precipitation,dislocation precipitation,interphase precipitations formed by the ledge me... 

取向硅钢成品的晶粒尺寸非常大,其易磁化方向[001]晶向对于轧向的偏差角度对其磁性能影响极大。本文介绍了取向硅钢二次再结晶后成品晶粒位向的几种测定方法,包括侵蚀法、劳厄法、OIM法、极图法和非对称X射线衍射法等,并对这几种测量方法进行了比较。 The finished product of grain-oriented silicon steel has immense grain size ranging from millimeters to centimeters and the deviation angles of easy magnetization direction from rolling direction plays a remarkable role in magnetic properties of grain-oriented silicon steel.The methods in common use for determining the deviation angles of crystal direction are introduced,which include the etch-figure method,the Laue method,the OIM method,the pole figure method and the asymmetrical X-Ray diffract... 

通过实验室25 kg真空感应炉冶炼和锻轧研究了0.26%～0.95%Al含量对0.5 mm 2.2%Si无取向硅钢冷轧板组织、织构和磁性能的影响。试验结果表明,0.26%～0.81%Al含量时,随钢中Al含量的增加,成品退火钢板的晶粒尺寸增加同时铁损减少;当Al含量大于0.81%时,随Al含量增加,钢板的晶粒尺寸减小,同时铁损增加。Al含量对硅钢板磁感的影响没有明显的规律。2.2%Si无取向硅钢的合适Al含量为0.48%～0.81%。 The effect of 0.26%～0.95%Al content on structure,texture and magnetic performance of 0.5 mm cold rolled sheet of 2.2%Si non-oriented silicon steel has been studied by a 25 kg vacuum induction furnace smelting,and forging -rolling in laboratory.Results show that as 0.26%～0.81%Al,with increasing Al content in steel the grain size of annealed finished sheet increases while iron loss of sheet decreases,and as Al content in steel is more than 0.81%,the grain size of sheet decreases while iron loss in... 

本发明公开了一种降低无取向硅钢W800头部窄尺的控制方法，步骤1、筛选板坯长度，并使板坯进入加热炉后头部均朝向轧机方向；步骤2、控制板坯头部温差小于10℃；步骤3、固定粗轧到精轧区间内的轧机机架轧制速度；步骤4、固定相变机架，使板坯的奥氏体‑铁素体相变发生在F2和F3机架中；步骤5、调整精轧机架间的负荷分配，降低F2和F3机架的压下量；步骤6、调整活套张力，降低F2和F3机架的活套单位张力补偿；步骤7、降低模型AGC增益，降低F2和F3机架的AGC补偿的辊缝波动量。本发明通过控制固定相变机架、优化相变机架的负荷分配、AGC补偿系数、活套张力等，使秒流量保持平衡，减少无取向硅钢W800头部窄尺。

本实用新型公开了转盘式硅钢片转运装置，属于硅钢片转运领域，包括本体，所述本体的顶部设置有收纳箱，所述本体的内部水平设置有横板，所述横板的两侧分别与本体内腔的两侧固定连接，所述横板的底部设置有平移机构，所述横板横向活动套接在连接杆，所述连接杆顶端与收纳箱的底部固定连接，所述连接杆的底端固定连接有转动盘，所述转动盘的底部固定连接有固定杆，所述固定杆上活动套接有套筒，通过设置平移机构，平移机构带动铰接杆，铰接杆拉动固定杆，固定杆带动转动盘，转动盘通过连接杆带动收纳箱，使得收纳箱可以进行旋转，将远离工作人员的一侧，调整至靠近工作人员的一侧，从而方便进行安放硅钢片。

本实用新型公开了一种变压器铁芯硅钢片纵剪缓冲保护装置，包括支撑立架、前挡横杆、后挡横杆、松弛检测组件和拉伸检测组件，所述支撑立架上在料带传送方向上间距设置有前挡横杆、后挡横杆，所述前挡横杆与后挡横杆均承托设置在料带的下方，所述前挡横杆与后挡横杆之间构成缓冲腔，所述缓冲腔内对应于料带的下方、上方分别设置有松弛检测组件、拉伸检测组件，所述松弛检测组件检测料带在松弛状态下的最低位置，所述拉伸检测组件检测料带在张紧状态下的最高位置，能够及时地对料带的松弛和拉伸程度进行监测，保证料带的缓冲安全。

本发明公开了一种普通级稀土取向硅钢制备方法，通过添加稀土元素，利用第二相作用，对铸坯组织、热轧组织、初次再结晶晶粒和二次再结晶晶粒的影响，改善成品磁性能，即降低铁损，提高磁感。

本发明公开了一种无取向硅钢用预熔型结晶器保护渣，涉及冶金技术领域，其化学成份按质量百分比计为：CaO：25.2%‑25.6%，SiO2：39.2%‑39.6%，MgO：1.9%‑2.1%，Al2O3：2.9%‑3.1%，Na2O+K2O：10.5%‑10.7%，F：9.9%‑10.1%，Li2O：1.9%‑2.1%，MnO：2.0%‑2.2%，C固：1.9‑2.1%，余量为不可避免的杂质，熔点：1000‑1040℃，粘度at1300℃：0.18‑0.19Pa.S，通过喷雾造粒制成中空颗粒。制备的无取向硅钢结晶器保护渣是空心颗粒，堆比重轻，空心颗粒提高了铺展性，喷雾造粒的空心球颗粒能形成绝热层，可有效地降低钢水向外传热速度，隔热保温效果好。