硅钢资料

用Gleeble1500D模拟试验机在变形温度为950～1 200℃、应变速率为0.01～8s-1、最大变形程度为60%的条件下,对硅钢50A1300做单道次压缩试验,首先分析了不同参数对流变应力的影响,然后用回归法确定了应力模型中的变形激活能及材料常数,得到硅钢50A1300在峰值应力条件和稳态应力条件下的变形激活能分别为270.360和91.557kJ/mol,同时得到了流变峰值应力模型,模型的相关系数为0.997。最后通过作lnθ-ε图的方法找到了硅钢50A1300发生动态再结晶的临界应变量,并回归得到峰值应变量、临界应变量与参数Z/C的关系式。 To analyze the effects of different parameters on the flow stress and critical strain of the dynamic recrystallization,single-pass compression experiments were carried out with silicon steel 50A1300 specimens using a Gleeble1500D thermal simulator at a temperature range of 950-1 200 ℃ and strain rate range of 0.01-8 s-1 under the condition of maximum deformation of 60%.The average deformation activation energy is respectively 270.360 and 91.557 kJ/mol under the peak stress and steady-state stres... 

本发明揭示了一种高牌号无取向硅钢及其生产方法。所述无取向硅钢的化学成分以质量百分比计包含：C:0.002～0.004％，S≤0.003％，Si:1.4～1.7％，Mn:0.7～0.95％，P≤0.03％，Sn:0.015～0.035％，11×([Si]‑1.4％)＝14×([Mn]‑0.7％)。所述无取向硅钢的生产方法中，连铸坯加热温度1120～1150℃，精轧终轧温度为890±15℃，最后一道次精轧的压下量≥30％且最后两道次精轧的总压下量≥50％，卷取温度650±20℃；在酸连轧之前不需要进行常化处理，且所得无取向硅钢的磁性能佳，表面无瓦楞缺陷，满足低成本高牌号无取向硅钢的需求。

招商证券建筑钢铁团队视频第三弹！本团队基于下方两篇电工钢行业深度报告推出本期...

本实用新型公开了一种硅钢环形炉台车用垫片，垫片为多个陶瓷纤维高密度板拼接而成的环状，垫片的内边缘和外边缘均呈正八边形；陶瓷纤维高密度板的导热系数不大于0.15W/(m·k)。上述垫片在实际使用时，铺设于台车的底座，并在垫片上砌筑耐火砖，最后在耐火砖上浇筑耐火浇注料。因垫片的导热系数很低，因此能够减少台车底座背面热量的散失，并且能够避免高温对台车内钢卷造成影响，保证了钢卷的质量。因此，本实用新型提出的硅钢环形炉台车用垫片，对台车进行了改进，保证了钢卷的品质，解决了现阶段该领域的难题。

概述了高磁感取向硅钢生产工艺的研究现状及发展趋势。介绍了国内外薄板坯连铸连轧流程生产高磁感取向硅钢的研究现状。从流程工序特点、热履历、组织与抑制剂控制方面进行对比,分析了薄板坯连铸连轧流程相对传统板坯流程生产高磁感取向硅钢的技术优势,在此基础上提出了利用该流程生产高磁感取向硅钢需要解决的主要技术难点。 The current status and development trend of production process for high magnetic induction grain-oriented silicon steel are summarized.The research status of producing high magnetic induction grain-oriented silicon steel by thin slab casting and rolling process at home and abroad is introduced.The potential technical advantages of producing high magnetic induction grain-oriented silicon steel by thin slab casting and rolling process are obtained by analyzing in terms of process characteristics,t... 

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... 

热轧轧制工艺对产品性能和轧制稳定性影响很大,对中低牌号无取向电工钢,当在两相区轧制时,热轧塑性明显降低,板形变坏,易出现边裂等情况。以50W1000为例,通过对其变形抗力进行研究,得出把两相区控制在F4与F5之间为最佳轧制工艺的结论。在此基础上制定了一套较为合理的热轧工艺制度。采用新的轧制工艺后,50W1000热轧精轧的稳定性明显改善,热轧产品合格率由开发初期的40%左右提高到95%以上。 The hot rolling process has great influence on product′s performance and rolling stability.For the low medium grade non-oriented electrical steel,when non-oriented electrical steel is rolled in tow phase region,the hot rolling plasticity reduces obviously,the shape of strip goes bad and easily to crack at the edge.The deformation resistance of 50W1000 steel was investigated.The results show that the optimal rolling process is to control the two phase region between F4 and F5.Based on the results... 

本发明揭示了一种无取向硅钢及其生产方法。该无取向硅钢的化学成分：Si:2.95%~3.15%，Al:0.75%~0.95%，Si+2Al:4.6%~4.9%，Mn:0.5%~0.7%，Sn:0.03%~0.04%，Cu≤0.03%，Cr≤0.03%，Ni≤0.03%，Nb≤0.004%，V≤0.004%，Ti≤0.004%，C≤0.0025%，P≤0.015%，S≤0.0015%，N≤0.004%，余量铁；Mn/S≥380，Al/N≥200；无取向硅钢的再结晶晶粒尺寸50~80μm。本发明在保证磁性能的同时，提高了强度，解决了现有技术所存在的磁性能和强度的兼顾问题。

本实用新型提供了一种用于冷轧无取向硅钢卷的具有防护功能的转运装置，其特征在于，包括：壳体，所述壳体的底部两侧拐角处均设有支撑块，所述支撑块的上方均设有减震器，采用吊装搬运冷轧无取向硅钢卷，可能会在移动的过程中因为滑动掉落，会发生不可预料的风险，地面搬运会降低风险，危险程度相对降低。转运装置的壳体内部的下方设有减震器，能够有效的减少冷轧无取向硅钢卷的晃动，从而减少对冷轧无取向硅钢卷的损坏，也降低因为搬运过程中的晃动带来的危险，通过气缸的伸缩可以固定不同直径的冷轧无取向硅钢卷，防滑板和防滑垫为橡胶材料，既可以防止冷轧无取向硅钢卷的滑动，也可以有效减小冷轧无取向硅钢卷的晃动。

对新能源汽车以及驱动电机的现有市场和未来市场规模进行梳理分析，通过自建计算公式推导出我国2021年1-11月份驱动电机用电工钢的总量，进而预测未来10年中国新能源汽车驱动电机用电工钢情况，为无取向电工钢的生产和在电机中的应用提供有价值的参考。 The current market and future market size of new energy vehicles and traction motors were analyzed,and the total amount of electrical steels used in traction motors in China from January to November 2021 was derived by using self-built calculation formulas,and then the situation in the next ten years of electrical steel used in traction motors of new energy vehicles in China was predicted.It will provide a valuable reference for the production of non-grain oriented electrical steel and its appli... 

选用Q235和Q345钢,在纯锌浴和含钛量分别为0.05%、0.10%、0.15%、0.20%(质量分数)的合金浴中浸镀0.5、1、3、5、8 min。利用扫描电子显微镜和能谱仪研究了钛对热浸镀锌组织和生长动力学的影响,并提出钛对含硅钢铁锌反应抑制作用的机理。结果表明:钛的加入缩短了Γ的孕育期,促进了合金层中δ的生长和ζ的消失,δ的生长依然受扩散控制,呈抛物线生长规律;Zn-0.05%Ti锌浴可以很好的抑制高硅钢的硅反应性;含硅钢热浸镀锌钛合金浴时,在锌浴中会形成锌铁钛三元T相,该相能吸收ζ晶界处富集的硅,从而抑制了铁锌反应。 Both Q235 and Q345 steels were immersed for 0.5 to 8 min in Zn bath with different amount of Ti,ranging from 0 to 0.20 mass%,for galvanization.The effect of Ti in Zn bath on microstructure and growth kinetics of hot-dip galvanizing coatings on the two steels were investigated by means of SEM and EDS analysis.Base on the experiment,the mechanism of Ti additions in controlling Fe-Zn reaction was proposed.The results show that addition of Ti in the zinc bath decreases the incubation time of Γ phase... 

介绍了硅钢CSP工程辊底式均热炉的技术特性,详细阐述了辊底式均热炉工艺特点。根据硅钢均热要求,通过采取不同烧嘴布置方法和燃烧控制技术,选用耐火纤维模块和绝热材料等相关技术措施,满足了出钢温度要求。 The technical specialty for roller hearth furnace of silicon steel CSP Plant was introduced,and the technology characteristics of the roller hearth furnace were illuminated in detail.According to the reheating require of the silicon steel,different burner arrangement and combustion control methods were applied,and technology measures such as selecting refractory fiber module and insulation material and so on were taken,the temperature requirement of silicon steel was met.