硅钢资料

提出一种基于粒子群优化算法实现的硅钢涂层厚度近红外光谱检测新方法。首先,采用近红外光谱仪采集获得了硅钢表面绝缘涂层的近红外光谱,然后,采用离散粒子群算法筛选出近红外光谱数据的最佳波长变量并组成新的光谱数据,最后,建立涂层厚度的核偏最小二乘定量分析模型。实验显示,所建定量分析模型对检验样本分析的绝对误差范围为-0.12～0.19μm,最大相对误差为14.31%,完全符合现场检验需要。研究表明,离散粒子群算法可以有效地筛选出携带更多有用信息的波长变量,提高定量分析模型的分析准确度和速度,是一种有效的近红外光谱波长筛选方法,同时,近红外光谱法也是一种有效的硅钢绝缘涂层厚度检测方法。 A novel thickness measurement NIR spectrometry for surface insulation coating of silicon steel based on discrete binary particle swarm optimization(DBPSO) algorithm is presented.First,we used NIR spectrometer to collect the NIR spectra of insulation coating of silicon steel,and then,DBPSO algorithm was used to select the optimal wavelength variates and composed a new spectra set.Last,the authors created the thickness quantitative analysis model using kernel partial least square algorithm.The exp... 

本实用新型涉及热轧设备技术领域，公开了一种高磁感取向硅钢加工用具有定位结构的热轧装置，包括：机体，所述机体的下端固定有底座，所述机体的上端固定有顶板，所述机体的中部开设有安置腔，所述安置腔的两侧内壁开设有滑槽，所述顶板的上端嵌装有液压杆，且液压杆的伸缩端贯穿在安置腔的内部，所述液压杆的伸缩端固定有第一辊座，所述第一辊座的下方安置有第二辊座。该高磁感取向硅钢加工用具有定位结构的热轧装置设置有辊盘，辊盘用于通过螺栓固定内侧的轧辊，使得轧辊能够跟随辊盘的转动而转动，动力传输较为稳定，且轧辊可以从辊盘上进行拆卸，在轧辊损坏进行应急处理时操作更加便利，轧辊便于更换和维护。

研究二次冷轧压下率对于硅的质量分数为3.0%的无取向硅钢组织结构和磁性能的影响。结果表明:当第二次冷轧压下率从0变化至16.7%时,铁损逐渐增加,磁感逐渐降低。当第二次冷轧压下率大于16.7%时,随压下率的增加,铁损逐渐减小,磁感逐渐增加。当第二次冷轧压下率大于38%时,二次冷轧法所能获得的磁性能明显优于一次冷轧法。 Effect of double cold reduction on magnetic,microstructure and texture of 3.0% Si non-oriented silicon steel sheets was investigated.The results show that the iron loss increases and magnetic induction reduces as the percentage redcution in secondary cold rolling changes from 0 to 16.7%.The core loss can be reduced remarkably,and magnetic induction can get a little benefit if the percentage redcution in double cold reduction is higher 16.7%.In case of higher than 38% of the percentage redcution ... 

试验研究了0.3 mm取向硅钢冷轧板(/%:0.046C,3.07Si,0.09Mn,0.029P,0.004S,0.005A1)的退火温度(760~880℃7 min)和退火时间(820℃3~9 min)对该钢的晶粒尺寸,再结晶和织构的影响。结果表明,最佳初次再结晶退火工艺为820℃5 min,该钢的平均晶粒尺寸为14.20μm,完全再结晶率为92%,不利{111}<110>结构含量为3.16%,有利织构{111}<112>,{012}<001>和高斯织构含量分别0.40%,4.73%和2.46%。 The effect of annealing temperature(at 760 ~ 880 X.for 7 min) and time(at 820℃ for 3~9 min) on grain size,recrystallization rate and texture of 0.3 mm cold-rolled sheet of oriented silicon steel(/%:0.046C,3.07Si,0.09Mn,0.029P,0.004S,0.005Al) has been tested and studied.Results show that with optimum recrystallized annealing at 820℃ for 5 min,the silicon steel average grain size is 14.20 fun,the complete recrystaUization rate is 92%,the unfavourable-texture {111}< 110 > content in steel is ... 

本发明公开了一种可替代高磁感取向硅钢常化退火的热处理方法。该方法包括对所述取向硅钢的铸坯依次进行热轧、酸洗和冷轧，省去了常化酸洗工序中的常化退火工艺。所述热轧工序包括加热、粗轧和精轧过程，所述精轧过程中，热轧板离开精轧机最后一个机架时的温度达到1000～1050℃；或者，所述酸洗工序后，对热轧板进行通电加热至1000～1050℃；然后，对热轧板采用短时通电加热控制冷却速度，通电加热2‑5s使热轧板的温度降至940～960℃。采用该热处理方法得到高磁感取向硅钢常化板等效织构，满足生产高磁感取向硅钢的织构组分条件，其简化了高磁感取向硅钢的制造工艺，降低了生产成本和能耗，提高了生产效率。

本实用新型涉及分条机技术领域，且公开了一种硅钢加工用分条机，包括支撑台，支撑台的底部四角均安装有支撑腿,支撑台的两侧均垂直安装有U型架，U型架的顶部通过横梁连接固定，横梁的两端均安装有垂直向下设置的下压调节油缸，下压调节油缸的底部均固定连接固定座，固定座相互远离的一侧均安装有第二条形座；第二条形座的两端垂直贯穿设有导向轴，导向轴两端位于第二条形座外，在导向轴的两端均套设有支撑弹簧；导向轴的底部连接在第一条形座上，并且导向轴的顶部贯穿设有第三条形座，导向轴设有将第三条形座固定的螺母。本实用新型在使用时，上下两组剪切轮交错接触后，经过剪切轮下方的硅钢板能够得到有效地剪切，剪切效率高。

研究了组织和析出物对高效电机用无取向硅钢退火板磁性能的影响。结果表明:随着退火温度升高,退火板平均晶粒尺寸增加,P15/50明显降低,B50略有升高。退火温度在1 000℃时,退火板的综合性能较好。析出物主要是AlN、(MnS+AlN)和(MnS+Al2O3)复合析出物,尺寸较粗大,主要集中在1.0～2.5μm,还发现少量百纳米以下的细小AlN和TiN。实验室模拟TSCR流程试制的高效电机用无取向硅钢,铁损平均值小于4.00 W/kg,磁感应强度大于1.75 T,适合作中小型高效电机铁芯材料。 Effects of microstructure and precipitation on magnetic property of non-oriented silicon steel sheets after annealing for high-efficiency motor are studied in the paper by experiments.The annealed sheet exhibits a larger average grain size,obviously decreasing iron loss and slightly raising magnetic induction with increasing temperature.The annealed sheet has better comprehensive properties at a annealing temperature of 1 000 ℃.The main precipitates are compounds of AlN、(MnS+AlN)and(MnS+Al2O3) w... 

采用电解法和扫描电镜研究了300 t转炉-RH精炼钙处理对无取向硅钢板（%:≤0.005C、1.2～2.2Si、0.2～0.6Mn、≤0.20P、≤0.005S、0.2～0.6Al、0～0.01Ca）中夹杂物的影响。结果表明,钢中Al含量为0.25%和0.35%时,钢中溶解氧均小于1×10^-4%,钙处理后都会产生CaS夹杂物,尤其是含0.35%Al的钢水;钙处理可以有效减少钢中的夹杂物数量,尤其是0.5μm以下的微细夹杂物数量;钙处理后夹杂物的种类以AlN、CaS为主,同时还含有少量的氧化物夹杂物以及AlN-CaS复合夹杂物,尺寸主要为1.5～5.0μm。 The effect of 300 t converter-RH refining calcium treatment on inclusions in non-oriented silicon steel sheet （%:≤0.005C,1.2～2.2Si,0.2～0.6Mn,≤0.20P,≤0.005S,0.2～0.6A1,0～0.01Ca） has been studied by electrolysis and scanning electron microscope.Results show that with 0.25%and 0.35%Al content in steel,all the dissolved oxygen in liquid is less than 1×10^-4%,and the CaS inclusions are produced after calcium treatment,especial for the liquid containing 0.35%Al;the amount of inclusions in ste... 

日本住友金属成功地开发了一种资源节约型高强度无取向电工钢SXRC,这种电工钢是通过固溶铌适度抑制位错的合并对消而得到一种特殊的微观组织,因此兼具很高的力学性能和磁性,特别适用于HEV、EV驱动电机转子。而且,不使用昂贵的镍就可以达到期望的强度,合金成本可控,是一种优越的资源节约型产品。 Sumitomo metal industries ltd of Japan successfully developed a type of high strength non-orientation electrical steel SXRC of resources-saving.The steel has both high mechanical performance and good magnetic property thanks to the special microstructure produced by the formation of Nb solid solution serving to appropriately inhibit the combination and cancellation of dislocations.The material is,in particular,suitable for manufacturing rotors of HEV and EV driving motors.Besides,expected streng... 

【作者】 朱一知； 陈山； ...

一种薄规格中高牌号无取向硅钢酸轧生产工艺，属于无取向硅钢冷轧成型技术领域，该生产工艺在焊接前对焊缝预加热和焊接后对焊缝两次后加热，采用五机架六辊冷连轧机组轧制，其压下率分别为35％‑45％、35％‑45％，30％‑36％，25％‑30％，1％‑10％，第一二冷轧机间、第二三冷轧机间、第三四冷轧机间、第四五冷轧机间的单位张力分别为120‑130KN/mm2、130‑140KN/mm2、150‑160KN/mm2和160‑180KN/mm2，本发明的有益效果是，本发明通过对冷连轧的工艺进行改进优化，提高了薄规格中高牌号无取向硅钢带的轧制效率，提高了同板差的合格率，降低了轧制的断带率和轧烂率。

以构建高磁感、低铁损、免轧制高硅电工钢铁芯为出发点,提出采用单辊甩带制备非晶铁硅合金薄带、微氧化法在铁硅合金粉末表面包覆高电阻率铁硅氧化物薄膜制备核壳异质结构高硅电工钢纳米粉末、放电等离子烧结快速成形制备颗粒间绝缘的高硅电工钢铁芯。研究了不同氧化包覆时间对SPS烧结试样密度、物相组成、微观结构和静磁性能的影响。研究表明,在氧化包覆5h烧结温度800℃工艺条件下,制备的6.5%Si高硅电工钢铁芯的静磁性能最佳,饱和磁化强度为128.84A.m2/kg、矫顽力为2.25kA/m、剩磁为3.47A.m2/kg。其饱和磁化强度与粉末压延法制备的高硅钢相当,但矫顽力降低了1/3。 The paper takes preparation 6.5%Si steel with high induction,low core loss and removing rolling as the starting point,amorphous Fe-Si ribbons was synthesized by melt spinning method,6.5%Si steel nanopowders with high resietivity core shell structure was prepared by the slight oxidation process and 6.5% Si steel iron core with evaluating internal was sintered by spark plasma sintering process(SPS).The essay focuses studies the effects of different oxidation cladding time on sample density,phase c...