硅钢资料

【摘要】 <正>编号:2012016获奖等级:特等完成单位:...

本实用新型公开了一种无取向硅钢厚涂层涂层液生产用纯水制水机，包括底板，底板顶端的两侧分别固定设有固定座和存水筒，固定座顶端的中部设有蒸馏组件，蒸馏组件包括球形釜，球形釜设置在固定座的顶部，球形釜的外部固定套设有导热层，导热层的内部固定嵌设有电热丝，导热层的外部固定套设有隔热层，本实用新型的有益效果是：通过设置的电热丝通过导热层对球形釜内部的水进行加热，球形釜提供更加均匀的受热效果，水蒸气通过V形管进入L形管，通过设置的环状冷却管内部的液氮对水蒸气进行冷却，便于提供更高效的蒸馏处理，通过设置的防腐蚀磁铁网格滤板、无纺布滤层、活性炭滤层和高密度滤网层，便于提供更好的过滤效果。

为了解决在纹理背景下冷轧硅钢表面缺陷的分割问题,提出了基于局部信息结构张量和活动轮廓模型的硅钢表面缺陷分割方法。将图像的局部信息引入到结构张量中;在结构张量提取的特征空间中,以KL距离作为区域的概率密度相似性度量建立分割图像的活动轮廓模型;采用Split-Bregman数值解法对模型进行求解。运用提出的分割方法对硅钢表面的一些常见缺陷如纵向划伤、横向划伤、异物和孔洞等进行分割实验。实验结果表明,该方法可以准确地分割出硅钢表面缺陷区域,验证了该方法的有效性。 In order to address the segmentation problem for cold rolled silicon steel surface defect based on the texture background,a novel method based on structure tensor and active contour model is proposed.Image local information is introduced to the structure tensor.In the extracted feature space of structure tensor,KL distance is treated as a regional similarity measure of the probability density to establish active contour model for image segmentation.The numerical solution of Split-Bregman is used... 

对高牌号无取向电工钢国内生产情况、工艺技术、产品性能及应用领域等进行了阐述,并探讨了高牌号无取向电工钢产品的发展趋势。 This paper introduces basic facts on the production status,process technology and products’ properties and their applications of non-oriented electrical steel with high grade at home,and then discusses the development trend on technology for producing the non-oriented electrical steel with high grade. 

研究了冷轧大压下量,950℃退火时间对一种新型含铜无取向电工钢晶粒度和织构的影响。结果表明,大压下量冷轧,随压下量的增加,退火晶粒向γ线聚集,形成强{111}<112>织构。提高冷轧压下率,退火织构{111}<100>,{110}<001>强度减弱,增加退火时间,退火织构{111}<110>,{100}<001>,{110}<001>强度变弱。采用87.5%冷轧压下率和950℃退火60 s,有利织构{100},{110}占有率最大。 The effect of annealing(950 ℃) time with high cold rolling reduction on grain size and texture of a new non-oriented electrical steel containing copper was investigated.The results show that for high cold rolling reduction,most annealed grains are oriented along γ-fibre with increasing cold rolling reduction ratio and strong texture {111}<112> is formed.With increasing the cold rolling reduction ratio,the intensity of annealed texture {111}<110>,{011}<100> decreases.With increa... 

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... 

冷轧无取向硅钢是高技术含量、高附加值产品,工艺复杂,生产周期长,过程控制难度大,被誉为钢铁产品中的\"工艺品\"。热轧生产工艺又是无取向硅钢生产的重中之重,直接决定了硅钢的铁损和电磁性等多项指标。 Cold rolled non-oriented silicon steel is high technology content、high addedvalue product. Its process is complex, Its production cycle is of Length, and Its Process control is difficult. Which is known as the iron and steel products \" Arts and crafts\". Hot rolling production process is the top priority of non-oriented silicon steel, Which Directly determines iron loss of the silicon steel and electromagnetic property, etc many index. 

本发明涉及冶金技术领域，具体涉及一种多组分{100}织构无取向电工钢的制备方法。本发明通过控制薄带连铸参数制备1.5～2.5mm厚的无取向电工钢铸带，直接冷轧至厚度为0.35～0.50mm后，先进行预回复退火，再进行成品退火，此过程中控制退火温度、时间以及升降温速率。本发明所制备的无取向电工钢具有多组分{100}织构，包括{100}＆lt;001＆gt;、{100}＆lt;012＆gt;和{100}＆lt;011＆gt;，{100}织构组分体积分数达到25～39％，其轧向磁感值1.71～1.78T，横向磁感值1.70～1.76T，板面45°方向磁感值达到1.65～1.67T。本发明通过优化退火工艺，利用{100}变形组织的强回复与再结晶协同作用，从而显著增强{100}退火织构，方法简单有效。

本实用新型涉及变压器铁芯加工的技术领域，特别是涉及一种变压器铁芯加工用硅钢片裁剪装置，其可提高下料的便利性，同时提升工作效率；包括操作台、集料板、气缸、底架、两组立板、电机、从动轴、传送带、缓冲座、两组高弹簧和两组低弹簧，操作台底端设有四组支腿，操作台顶端设有送料组件和裁剪机，操作台上设有下料口，集料板转动安装在下料口内，气缸顶端和操作台底端固定连接，集料板底端滑动设有铰接座，气缸的输出端和铰接座铰接，立板通过两组立板固定安装在操作台底端，电机固定安装在底架前端，电机的输出端设有主动轴，主动轴转动安装在底架内，从动轴转动安装在底架内，主动轴和从动轴之间通过传送带传动连接。

本发明给出了一种用于将由电工钢带(3)或电工板材制成的板件(4)叠组成板叠(2)的方法，板叠分别具有在相对于预定的目标叠组高度(hs)的公差范围(Δh)内的叠组高度(hp)。

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... 

【作者】 杨洪林； ...