硅钢资料

电动汽车电机在高速旋转时承受离心力和电磁力的作用,在进行电机转子设计时,既要考虑电磁性能,还要考虑机械性能。对电机转子受力情况进行了综述,分析了转子用电工钢疲劳性能参数的重要性,详细阐述了试样抛光、表面处理、试样的对中和安装对测试结果的影响。 The motor of electric vehicle bears big force for high speed rotors,mainly including centrifugal and electromagnetic forces.The magnetic and mechanical aspects of the electrical steel are crucial to machine design.In this paper,the forces applied on the motor were summarized and importance of fatigue properties was analyzed.The influence of specimen polish,surface treatment,alignment and installation on fatigue testing result were represented in detail. 

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... 

研究了锰含量对w(Si)=1.8%Si无取向电工钢组织和性能的影响。结果表明,钢中锰含量从0.3%增加到1.2%时,由于α_γ相变的产生,铸坯低倍组织、热轧板金相组织及成品织构等均发生了不同程度的变化,对成品表面质量及磁性能产生了明显的影响。 The effects of manganese content on structure and properties of w(Si)=1.8% non-oriented electrical steels have been studied.Results show that with increasing manganese content to 1.2% from 0.3%,macrostructure of continuous casting slab,hot rolled band metallurgical structure and finished product texture vary in some extent because of the occurrence of α-γ phase transformation,the surface quality and magnetic properties of finished product are affected greatly. 

本实用新型公开了一种生产硅钢片的轧制装置，包括工作台，所述工作台的正面开设有收集腔，收集腔的内底壁滑动连接有收纳盒，工作台的上表面分别固定连接有两个支撑板和倒L型滑动台，两个支撑板的相对面分别转动连接有上压辊和下压辊，上压辊的外表面套设有两个调节环，两个调节环的相对面均固定连接有切刀，工作台的上表面开设有与收集腔相连通的下料孔，下料孔的内侧壁开设有滑动槽。该生产硅钢片的轧制装置，通过设置上压辊、下压辊与驱动电机，便于对硅钢片进行传动，通过设置调节环、切刀与固定螺栓，便于根据生产需求调节硅钢片切边的距离，从而使整个装置具有方便对轧制后硅钢片进行切边处理的效果，方便后续轧制工作的进行。

分析了影响脱碳效果和结晶行为的各种要素及其相互制约关系,提出了Hi-B连续退火工艺曲线,总结得出快速加热及合理稳态气氛是实现工艺制度的关键。结合实际工程,介绍了在连续退火炉设计中快速加热和气氛设计的考虑方法,并指出随着Hi-B产品的发展,如何改进这些方法将是连退工程研发的方向之一。 The factors which affect decarbonization and crystallization and the mutual restriction between them were analyzed.A complete continuous annealing process for Hi-B was put forward.As a result,the rapid heating and the proper steady atmosphere were two important factors.According to an actual project,the consider methods for designing rapid heating and proper steady atmosphere were introduced,and it is pointed that with the development of Hi-B technique,how to improve these techniques would be on... 

观察了取向硅钢极薄带经冷轧至不同厚度,并经过不同工艺热处理后的显微组织及亚结构。结果表明:冷轧压下量越大,显微组织中位错密度越高,冷变形组织越多,等轴晶粒越少;增加冷轧压下量可以使试样的再结晶温度降低,当钢带厚度为0.08 mm时,在650℃退火时就能发生明显的再结晶。 Microstructure and substructure of the grain oriented ultra-thin silicon steel sheets is analyzed,which are rolled down to different thickness and treated with different heat treatment process.The result shows that there are higher dislocation density,more cold deformation structure and less equiaxed crystal grain in microstructure of the steel sheets with more cold rolled reduction.Increase of cold rolled reduction will decrease recrystallization temperature,and when thickness of the steel shee... 

研究了电工钢SXRC的显微结构和疲劳性能,并与DP钢进行了比较。结果表明,退火温度低温化能够有效的抑制电工钢的再结晶。该钢在固溶铌的作用下,能够在保证电机磁性的同时具有一定的强度。与DP钢相比,SXRC钢的抗疲劳性能更好。 The microstructures and fatigue properties of the electrical steel SXRC we re investigated, and the properties were also compared with the steel DP. The results show that the recrystallization of the electrical steel can be suppressed at lower annealing temperature. The steel presents favorable motor magnetic and also a compatible strength with the help of solid-solution Nb. Compared with the steel DP, the fatigue resistance of the steel SXRC is preferable. 

本实用新型公开一种稀土永磁变频电机加工硅钢片冷却装置，包括左、右间隔设置的悬架端杆；悬架端杆之间装配连接有若干个前后间隔设置的硅钢片卷料收卷部件，硅钢片卷料收卷部件均包括转动连接在悬架端杆上的旋转座，旋转座之间固定连接有若干个折形搭料杆，折形搭料杆包括横杆部，所述横杆部的左右两端均具有一体成型的折形端，折形端均固定连接在旋转座上；硅钢片卷料收卷部件之间通过传动部件传动连接；上述装置还包括若干个装配连接在悬架端杆顶部之间的风冷部件。采用上述装置部件设计实现对热处理加工的硅钢片快速卷绕，并且卷绕收卷过程中快速对物料进行冷却，有效提高了加工过程中硅钢片物料的冷却、收卷效率。

本发明涉及一种罩式中间退火高牌号无取向硅钢50BW350的生产方法，包括钢水化学成分设计、热轧工艺、冷轧工艺和退火工艺等步骤；钢水化学成分包括C≤0.004％、Si1.80‑2.1％、Mn0.70‑0.90％、Als0.30‑0.45％、P≤0.015％、S≤0.0030％、O≤0.0020％、N≤0.0025％、Sb0.06‑0.12％，余量为Fe。本发明通过特殊的化学设计，添加Sb元素，通过优化产品的结构组织提高电磁性能，适当降低Si含量，并提高Mn元素含量，通过二次冷轧法消除热轧粗大纤维组织的影响，得到了没有表面瓦楞缺陷的高牌号无取向硅钢产品，与传统高牌号生产方法相比，成本较低，生产出的硅钢电磁性能优良。

通过制备磷酸二氢铝硅钢涂层,研究了氧化锌对无铬涂层耐盐雾性能、电化学性能和附着性的影响。结果表明,硅钢表面涂层含有4.0%的氧化锌时,涂层具有最高的耐腐蚀性能和电化学性能,而且其致密表面最为平整,没有裂纹出现。 The effects of ZnO on the salt spray resistance property, electrochemical performance and adhesiveness of silicon steel insulating coating were studied. The results show that the best corrosion resistance and electrochemical properties can be obtained when the coating contains 4.0% oxide zinc, and the dense surface is smooth without cracks. 

本发明的取向性电磁钢板的制造方法能够稳定地制造被膜特性和磁特性优异的取向性电磁钢板。其包括：对含有规定的添加元素的钢坯进行热轧；冷轧制成最终板厚；进行脱碳退火；涂布以MgO为主剂的退火分离剂；进行最终退火，其中，上述退火分离剂的主剂的BET比表面积比率H2O/N2为0.6～1.6且浆料状态下粒径40μm以上的粒子的比例为5质量％以下。

本发明提供了一种电工钢表面涂层剂及使用方法，所述电工钢表面涂层剂包括如下的压力重量份组分：碲化合物10～50份，树脂10～30份、硅烷偶联剂0.5～5份、柠檬酸13～18份，将得到的电工钢表面涂层剂涂布在钢基表面，加热干燥，烧结，形成涂层。形成的涂层附着力强，生产涂覆质量较好，过钢量达到预期2000吨以上，具有良好的防锈性能，磨损程度较低，同时绿色环保。