钢厂
硅元素对Fe-(4.5~7.0)%Si高硅钢组织和性能的影响
通过Axio Imager金相显微镜考察4.5%~7.0%硅(质量分数)对高硅钢材料组织形貌的影响,并利用Fe-6.5%Si高硅钢薄板制备方法对其进行轧制,通过DDL50电子万能试验机对阶段产品进行力学性能测试。结果证明,硅含量为5.58%的高硅钢在实验硅含量区间内存在最大延伸率及最小铸态组织晶粒尺寸。 An investigation about the influence of 4.5%-7.0% Si on microstructure and mechanical properties of high-silicon steel was presented.SEM was adopted to take an observation towards microstructure during fabrication,and DDL50electronic universal testing machine was applied into the detection of tensile curves.The results show that silicon steel with 5.58% Si provides the maximum elongation and minimum grain size as cast.
CN202023335711.4硅钢拉伸平整用转向辊
本实用新型属于输送设备技术领域,具体涉及一种硅钢拉伸平整用转向辊,包括辊本体,辊本体的中部可拆卸的安装有环形凸块,环形凸块的宽度在350‑450mm,环形凸块的厚度在3‑5mm。在本方案中,在辊本体的中部设置环形凸块,环形凸块能较好的与硅钢的中部位置接触贴合,辊本体通过环形凸块除了能较好的将硅钢输送向前,还能有效防止硅钢跑偏。环形凸块可拆卸的安装辊本体上,当环形凸块使用了一段时间发生了严重的磨损时,更换新的环形凸块即可,无须更换辊本体,有效节省成本。
硅钢RH处理过程碳和硫行为分析
分析了太原钢铁(集团)有限公司第二炼钢厂80 t RH生产冷轧硅钢脱碳、脱硫原理及影响因素,认为通过合理控制RH到站钢水碳和氧含量、加大插入管内径、采用快速抽真空度等可提高脱碳效果。降低顶渣中FeO和MnO含量,保证脱硫剂加入后的循环时间可以提高RH脱硫率。 The present article analyzes the principle of decarburization and desulfurization in refining the cold rolled silicon steel in the 80 t RH in No.2 Steelmaking Plant of Taiyuan Iron & Steel(Group) Corp.,and its influencing factors.It’s determined that the decarburization effect can be achieved by properly controlling the cabon and oxygen contents in the hot metal coming into the RH station,enlarging the inner diameter of snorkel and adopting the fast evacuation method.In the meanwhile the des...
CN202110614397.3冷轧硅钢的横向同板差控制方法及装置
本发明公开一种冷轧硅钢的横向同板差控制方法,具体如下:S1、确定冷轧钢板横向同板差的影响因子,包括:热轧钢卷的热卷凸度、工作辊辊型插入量、中间辊窜动值及冷轧钢卷的总切边量;S2、以影响因子为变量构建冷轧钢板横向同板差的计算模型;S3、将热轧钢卷的热卷凸度及冷轧钢板的目标横向同板差输入计算模型,确定最小冷轧钢卷总切边量下的工作辊辊型插入量及中间辊窜动值。明确客户所需的横向同板差,通过改变工作辊辊型插入量X2及工作辊窜动值X3,以此得到冷轧成品钢卷的总切边量最小值,在满足客户对横向同板差的使用要求前提下,降低生产成本,提高产品竞争力。
轧制复合法制备硅浓度梯度高硅钢薄带的织构演变
采用\"热轧复合+冷轧减薄+退火\"方法成功制备了0.20mm厚的硅浓度梯度高硅钢薄带,并采用SEM和X射线衍射技术对制备过程中组织和织构演变进行了研究。热轧复合板微观组织呈明显层状分布,复合界面为紧密冶金结合且经过83%的大冷轧变形未开裂。热轧和冷轧复合板带中均形成强α和γ织构,再结晶退火后形成强γ织构。冷轧和退火织构沿板厚呈显著的梯度分布特征,其主要来自于复合界面两侧硅浓度和初始热轧织构的差异性以及冷变形的不均匀性。 Gradient high silicon steel thin sheets with thickness of 0.20 mm were successfully produced by the rolling and annealing method,including hot rolling bonding,cold rolling,and annealing.Microstructure and texture evolution was investigated by means of SEM and X-ray diffraction.Microstructure of hot-rolling-bonding shows obviously layered distribution,the composite interface was closely metallurgical bonding and no cracking appears even after 83%cold rolling.Strongαandγfibers develop in the hot a...
CN202122793834.0应用于硅钢片冲压过程的冲压联动接料装置
本实用新型涉及到一种应用于硅钢片冲压过程的冲压联动接料装置,包括固定连接在冲头侧面上的连杆,连杆一端远离冲头且连接有一根销,销上转动连接有摆杆,摆杆的一端开设有长孔,销插接在长孔内,摆杆另一端通过铰轴转动连接在机架上,摆杆设置有铰轴的一端连接有一根联臂,联臂下端通过转轴连接有接料盘,转轴与冲台之间设置有平行于转轴的托辊,托辊高于转轴,接料盘接近冲台的一端搁置在托辊上,冲头处于上止点时,接料盘接近冲台的一端伸入冲头和冲台之间且位于冲头正下方,冲头处于下止点时,接料盘接近冲台的一端退出冲头和冲台之间,位于冲台一侧,所述冲头下端面设置有凸模,冲台上端面设置有与凸模配合的凹模。
压下率对取向硅钢热轧板织构的影响
采用X-射线衍射分析技术测定了取向硅钢热轧板在不同压下率下不同厚度处的织构。结果表明,在压下率低于80%的情况下,几乎所有试样的不同厚度处的织构均为旋转立方织构类型{100}<011>,但不同压下率、不同厚度处的织构强度存在很大差异;在压下率大于80%的情况下,不同试样的不同厚度处的织构类型发生了变化,其织构类型为旋转立方织构或高斯织构{011}<100>,且当织构类型为旋转立方织构时,织构强度存在很大差异,而当织构类型为高斯织构时,织构强度差异相对较小。 The texture of the grain oriented silicon steel hot rolled plate at different compressibility has been measured.The experimental results have shown that the texture of all samples at different thickness is {100}<011> when the compressibility is below 80%,and its intensity at different compressibility and thickness is difference.The texture of all samples at different thickness is variable when the compressibility is above 80%,it is {100}<011> or {011}<100>,and the intensity of ...
常化对含硅1.6%的无取向电工钢组织和织构的影响
研究了常化对CSP流程生产的wSi=1.6%的无取向电工钢组织、织构和成品磁性能的影响。结果表明,经CSP流程生产,且在相同的冷轧及退火制度下,经1 000℃×2min常化处理的wSi=1.6%的无取向电工钢热轧板,其最终退火成品的铁损P15/50比不常化试样下降了10.5%,磁感B50比不常化试样提高了2.5%;常化使wSi=1.6%的无取向电工钢成品的平均晶粒尺寸增大,成品铁损P15/50相应减小;同时,常化使wSi=1.6%的无取向电工钢成品中高斯织构的强度增加,γ纤维织构的强度减弱,这有利于成品磁感B50的提高。 The effect of normalizing on microstructure,texture and magnetic properties of non-oriented electrical steel with wSi=1.6% produced by CSP process was investigated.The results show that,under the same cold rolling and annealing system,the iron loss(P15/50) of annealed samples whose hot bands has been normalized by 1 000 ℃×2 min process decreases by 10.5% and magnetic induction(B50) increases by 2.5% compared with the samples whose hot bands was not normalized.The average grain size of non-orient...
CN202122364525.1一种基于单片机的硅钢片卷料收卷装置
本实用新型公开了一种基于单片机的硅钢片卷料收卷装置,涉及硅钢片生产技术领域。本实用新型包括底板,底板的上表面固定连接有固定板,固定板的右侧面开设有第一滑动槽,第一滑动槽连接有移动模块,移动模块固定连接有限位杆,底板滑动连接有移动板,移动板开设有第二滑动槽,第二滑动槽滑动连接有第二移动块,限位杆与第二移动块滑动连接,固定板的右侧面转动连接有转动杆,底板的上表面固定安装有转动电机,转动杆穿过移动板与转动电机通过传动模块连接。本实用新型通过转动电机带动转动杆旋转对硅钢片进行收卷工作,通过调整固定板和移动板的间距防止硅钢片收卷不齐平,通过调整限位杆的间距对收卷后的硅钢片进行限制,防止硅钢片松散导致收卷不规则。
提高热轧硅钢凸度精度的工艺措施
以太钢热连轧厂的硅钢为研究对象,利用凸度仪测量热轧带钢出口凸度值,采用矩阵和失效模式的分析方法了解影响带钢凸度变化的主次因素。研究结果表明:通过有效控制轧制过程中的加热温度、时间及采用合理的辊型,硅钢凸度精度提高了4.34%左右。 In this paper,we take the hot-rolled silicon steelsheet of Taigang as the research symbol,exit profile was measured by convex instrument,the primary and secondary factors that affect the strip profile were measured by using matrix and failure mode analysis methed.The results indicate that convexity accuracy has significantly improved by nearly 4.34% through the effective control of the heating temperature,heating time and the use of correct roller type in the process of hot rolling.
取向硅钢成品晶粒的位向测定方法
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...
CN202180034555.6电磁钢板的制造方法
本发明提供能够制造磁特性与被膜密合性优异的电磁钢板的新颖并且得以改良的电磁钢板的制造方法。一种电磁钢板的制造方法,其特征在于,其包括以下工序:使电磁钢板与溶液相接触,所述电磁钢板以质量%计含有C:超过0%且0.10%以下、Si:2.5%以上且4.5%以下、Mn:0.01%以上且5.0%以下、S、Se及Te中的1种或2种以上的合计:超过0%且0.050%以下、酸可溶性Al:超过0%且5.0%以下、N:超过0%且0.015%以下、P:超过0%且1.0%以下、剩余部分由Fe及杂质构成,其中,上述溶液含有Cu、Hg、Ag、Pb、Cd、Co、Zn及Ni中的1种或2种以上,各元素的浓度合计为0.00001%以上且1.0000%以下。

