硅钢资料

通过对湿H2气氛下,相同退火温度、不同退火时间的CGO硅钢初次再结晶样品进行金相组织观察,并进行了EBSD微观织构分析,研究了CGO硅钢初次再结晶过程中的组织及再结晶织构演变行为。结果表明,在湿H2气氛下,820℃保温,CGO硅钢初次再结晶过程约在120 s时完成。随着退火时间的延长,γ面上{111}<112>织构含量逐渐减少,{111}<110>织构先减少后增多,随着再结晶的完成,部分{111}<112>取向晶粒向高斯{110}<001>取向转化的同时,也向{111}<110>取向转化,高斯{110}<001>织构含量逐渐增多。高斯取向晶粒较多是由{111}<112>取向晶粒转化而来,同时也证明了CGO硅钢高斯取向晶粒的二次再结晶异常长大生长机制为择优形核。 Microstructure development and texture evolution of conventional grain oriented silicon steel,which were annealed at same annealing temperature and different annealing time under wet H2 atmosphere,were investigated through metallographic observation and electron backscattered diffraction analyzing.The results show that the primary recrystallization finishes in 120 s at 820 ℃ under wet H2 atmosphere.With the extending of annealing time,{111}<112> texture decreases,{111}<110> texture d... 

本发明涉及变压器的技术领域，特别是涉及一种应用电工钢的变压器，其通过设置扇叶与冷凝盘管，通过冷却液与风冷共同对电工钢铁芯进行降温，避免电工钢铁芯工作过热导致电工钢铁芯损坏，提高使用稳定性；包括变压器箱体、两组固定支撑腿、电工钢铁芯、固定卡块、风机支架、风机、扇叶转轴、扇叶、冷却箱体、循环泵、冷却管、冷凝盘管、冷风机支架和冷风机，所述变压器箱体内部设置有空腔，所述变压器箱体右端连通设置有散热口，两组所述固定支撑腿对称固定安装在变压器箱体内部，所述固定支撑腿内端设置有紧固卡槽，所述电工钢铁芯左右两端对称固定安装有两组固定卡块，所述固定卡块固定卡装在固定支撑腿紧固卡槽中。

以试验室模拟CSP工艺生产的Fe-3Si热轧钢带为研究对象,采用正交试验及方差分析的方法,研究了取向硅钢初次再结晶退火工艺对高温退火后获得锋锐的高斯织构的影响。结果表明:取向硅钢两段式初次再结晶脱碳退火工艺参数加热段保温时间及加热温度是高温退火后获得锋锐高斯织构的主要影响因素,其可信度分别在90%和85%以上;在本试验条件下,通过正交试验获得的最佳退火工艺为:冷硬板经600℃保温3 min和850℃保温6 min。 Fe-3Si hot rolled strip was produced by simulating CSP technology in the laboratory.Orthogonal experiment and analysis of variance were carried out to investigate the influence of primary recrystallization on the sharp Goss texture of the oriented silicon steel.The results show that holding time of the heating section and the heating temperature for a sharp Goss texture of the samples annealed has important implications in this experiment conditions,the two-step decarburization annealing process... 

【作者】 O.M.Гбанов； A.E.Чеглов； ...

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... 

本实用新型公开了一种硅钢片立式送料装置，包括装置主体，装置主体上方安装有固定板架和活动板架，固定板架和活动板架上方均安装有料架，固定板架通过螺栓固定在装置主体的上方，活动板架滑动安装在装置主体的上方；装置主体内部位于固定板架和活动板架的下方安装有推料板，本实用新型适用于硅钢片生产，该装置通过将其中一个料架安装安装在活动板架的上方，而装置主体的两侧上方开设有滑槽，滑槽沿装置主体的长度方向开设，活动板架采用倒“U”型结构，活动板架的两个竖直端滑动卡合在滑槽内，这样的结构设置使得活动板架能够在水平方向移动调整位置，从而使两个料架的间距可调，使该装置能够适用于不同大小型号的物料使用。

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 ... 

两炉次无取向硅钢XG800WR（/%:0.003～0.004C、0.71～0.75Si、0.32～0.33Mn、0.004～0.007S、0.016P）的炼钢流程为铁水预处理（KR）-210 t顶底复吹转炉-钢包吹氩-RH脱碳精炼-230mm×1220 mm板坯连铸。53 t中间包钢水过热度为25～30℃,钢包到中间包采用长水口全程吹氩保护浇铸,中间包至结晶器采用浸入式水口浇铸。结果表明,在RH、中间包、结晶器过程中钢中总氧以及夹杂物数量和尺寸均明显降低;但在钢包到中间包过程T[O]、[N]和钢中夹杂物数量增加,说明长水口浇铸过程存在二次氧化。连铸坯中T[O]、[N]平均他分别为11×10^-6和30×10^-6,显微夹杂物数量平均为4个/mm²。铸坯中的显微夹杂物主要为3～5μm的AlN,同时存在少量的MnS、Al₂O₃·AlN和Al₂O₃·MgO·MnS。 The steelmaking flow sheet for two heats non-oriented silicon steel XG800WR（/%:0.003～0.004C. 0.71～0.75Si,0.32～0.33Mn,0.004～0.007S,0.016P） is hot metal pretreatment（KR）-210 t top and bottom combined blown converter-ladle argon blowing-RH decarburization refining-230 mm×1 220 mm slab casting.The superheating extent of liquid in 53 t tundish is 25～30℃,whole casting is shielded by blowing argon with long nozzle from ladle to tundish and the submerged nozzle is adopted in casting from tundish to mold... 

本发明公开了一种无底层取向硅钢的制备方法，包括以下步骤：S1、坯料预处理、S2、脱碳退火、S3、涂覆隔离剂、S4、高温退火、S5、拉伸热平整和S6、激光去除底层，所述激光去除底层的工艺参数为：激光400‑500W，重复频率100‑150kHz，振镜扫描速度6000‑7000mm/s。本发明利用激光刻痕的物理方法制备了无底层取向硅钢，代替了传统的用酸去除取向硅钢涂层或硅酸镁底层，制备的取向硅钢表面光亮，不含涂层或硅酸镁底层，同时通过退火补偿了激光制备过程中对钢带产生的塑性变形，制备的无底层取向硅钢，磁性能稳定。

本发明涉及取向硅钢技术领域，且公开了包括以下步骤：步骤一：冶炼，冶炼经转炉和RH精炼后得到钢水，在进行冶炼的过程中通入空气并设置总进气量100‑300Nl/min，且通入的空气中氧含量为20‑21％之间。该磁性优良的高磁感取向硅钢的气氛控制工艺，通过在不同的流程中，加入一定配比的氧气和氮气的含量，有效的提升每个阶段的气氛控制精度，从而得到最终的高磁感取向硅钢达到优良，避免了因气压、流量等因素影响最终高磁感取向硅钢磁力效果，炉渣中FeO含量减少，提高钢回收率和炉衬寿命，进而也起到降低生产成本的效果，且进行精确的气氛控制，使得在进行高磁感取向硅钢的冶炼中，使得冶炼的效果更好，使得冶炼出来的高磁感取向硅钢的磁性更加的优良。

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... 

{100}织构因具有两个易磁化方向能够明显的提高磁性能,因此如何在表面获得具有{100}织构一直是无取向电工钢研究焦点。本文主要介绍了获得{100}织构的主要工艺方法及其基本原理,并结合实际生产过程对各工艺方法的优缺点进行了分析;一方面,优化无取向电工钢的成分,降低碳、锰元素含量以避免脱碳退火和真空退火,简化生产工艺;另一方面,调节升温速度、降温速度和退火气氛,使{100}晶面的表面能或弹性应变能最低,制备具有{100}织构柱状晶组织的无取向电工钢是今后的发展方向。 Because { 100} texture has two easy magnetization directions,which can significantly improve magnetization properfies,how to develop { 100} texture is a focus for researchers and manufactures. In the paper,main manufacturing processes and basic principle are introdued,and their advantages and disadvantages in practical production are analyzed. On the one hand,the production process can be simplified by optimizing chemical compositions,such as reducing the content of C and Mn,which can avoid deca...