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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 ... 
2014-03-28 67 5.8

本实用新型公开了一种用于硅钢板带加工的整平装置,包括底座,所述底座的上表面固定设有下安装座,所述下安装座上设有下整平机构,所述底座的上表面固定连接有门型安装架,所述门型安装架的顶部贯穿设有螺杆,所述螺杆的底面设有上安装座,所述上安装座的正面通过轴承座转动连接有第三转轴,所述第三转轴的外表面固定连接有调向齿轮,所述上安装座上设有上整平机构。本实用新型通过设置通过设置多组上整平辊和下整平辊,改善该装置的整平效果,且通过转动齿轮与调向齿轮的设置,使该装置的多个上整平辊同步转动,且相邻两个整平辊之间的间隙可以设置的较小,使该装置结构紧凑,提高空间利用率。
2021-08-25 82 6.8

本发明涉及一种转炉冶炼回炉高硅钢水的方法,转炉中兑入回炉高硅钢水,再兑入铁水至预定装入量,使转炉中的钢水硅含量≤1.0%;转炉采用双渣冶炼的方法,加入的造渣料包括活性石灰、白云石、轻烧白云石、烧结矿;吹炼时氧累达到83%‑85%时使用副枪测量TSC,按TSC测量数据吹炼至钢水目标成分和目标温度后提枪,出钢。本发明实现转炉冶炼回炉高硅钢水的稳定控制。降低钢厂经济损失,减少炼钢生产事故率。提高了炼钢生产作业率。
2021-09-14 85 6.8

针对节能电机对无取向电工钢在磁性能方面的特殊要求,采用普通W600牌号的热轧板为原料,通过大量的现场工艺试验,研究总结出了\"超低张力\"的运行工艺、\"先快后慢\"的加热工艺、\"先湿后干\"的退火脱碳工艺、\"先缓后急\"的冷却工艺,生产出P1.5/50≤4.0 W/kg、B50≥1.70 T的冷轧电工钢产品,满足了节能电机的要求。 Based on the special requirements of no-oriented electrical steel for saving energy motor in magnetic aspects,using common W600 brand of hot rolled plate as raw material,through a large number of real tests,an ultra-low tension process,heating process which was quick at first and then slow,annealing decarburization process which was dry after the first wet,and a cooling technology of \"slow after the first urgent\" were concluded.Electrical steel product with P1.5/50≤4.0W/kg,B50≥1.70T was produced... 
2014-08-28 73 5.8

本发明公开了一种高磁感取向硅钢高效脱碳退火工艺,主要工艺流程为:炼钢连铸→热轧→酸洗常化→冷轧→脱碳和初次再结晶退火→渗氮处理(低温Hi‑B)→涂覆氧化镁隔离剂→高温退火→拉伸平整退火→涂覆绝缘涂层→精整,低温HiB不同于高温Hi‑B的工艺流程主要是在脱碳退火后增加了渗氮段。本发明在保证产品实物质量不低于现有水平(国内领先水平)的前提下,使Hi‑B钢退火效率达到世界领先,制造成本大幅降低。
2021-09-26 67 6.8

某厂对电工钢的轧制策略进行了优化,粗轧道次由“1+5”改为“1+3”。在优化后的生产过程中,每次变换钢种,烫辊材就会出现窄尺现象,而紧随其后的电工钢板则出现超宽现象。文中针对该问题,介绍了宽度设定模型和宽度自适应模型的原理,阐述了该问题出现的原因及解决方案,并通过对宽度自适应模型的应用研究及优化攻关,有效地解决了问题,大幅提升了实物质量,降低了宽度封锁率。 The rolling strategy of electrical steel was optimized in a factory,and the rough rolling pass was changed from “1+5”to“1+3”.Subsequently,the following problems were occurred in the production process:when the steel grade changed,the roasting roller steel before the electrical steel appeared the narrow width phenomenon,and then the electrical steel appeared the ultra-wide phenomenon.This paper introduced the principle of width setting model and width adaptive model,and expounded the causes and s... 
2022-02-28 91 5.8

对商用50W330型无取向硅钢成品在930℃下保温2 h固溶并以不同方式冷却处理,利用磁性检测仪检测分析了处理前后的磁感和铁损变化,应用光学显微镜、扫描电子显微镜、X射线衍射仪观测分析了显微组织结构的演变。考察了平均晶粒尺寸、织构组分比及第二相粒子状态对磁性能的影响规律,结果表明:固溶处理前后平均晶粒尺寸的变化对硅钢磁性能的影响非常显著;当平均晶粒尺寸相差不大时,织构组分比[Goss+{100}]/{111}越大,磁感会越高;固溶处理会将细小弥散的第二相粒子重新回溶到基体中,减小了其对磁畴壁的钉扎作用,铁损随之下降。 The commercial 50W330 non-oriented silicon steel samples were heat treated at 930℃ for 2 h and cooled in different ways,then the iron loss and the magnetic induction of the samples before and after solution treatment were measured with a magnetic detector.The evolution of microstructural texture was analyzed by optical microscopy,scanning electron microscopy and X-ray diffractometry.The effects of average grain size,texture composition ratio and the second phase particles on the magnetic propert... 
2012-04-28 106 5.8

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 ... 
2012-11-28 82 5.8

本实用新型涉及到一种应用于硅钢片冲压过程的冲压联动接料装置,包括固定连接在冲头侧面上的连杆,连杆一端远离冲头且连接有一根销,销上转动连接有摆杆,摆杆的一端开设有长孔,销插接在长孔内,摆杆另一端通过铰轴转动连接在机架上,摆杆设置有铰轴的一端连接有一根联臂,联臂下端通过转轴连接有接料盘,转轴与冲台之间设置有平行于转轴的托辊,托辊高于转轴,接料盘接近冲台的一端搁置在托辊上,冲头处于上止点时,接料盘接近冲台的一端伸入冲头和冲台之间且位于冲头正下方,冲头处于下止点时,接料盘接近冲台的一端退出冲头和冲台之间,位于冲台一侧,所述冲头下端面设置有凸模,冲台上端面设置有与凸模配合的凹模。
2021-11-15 73 6.8

介绍了EB5325涂层液的主要性能和中冶新材生产冷轧无取向电工钢所用的涂层设备,通过多次试验摸索出使用EB5325涂层液的工艺,对涂层出现的缺陷进行分析研究,并提出解决方法,使中冶新材生产的冷轧无取向电工钢的涂层质量满足了用户的要求。 This article introduces the main properties of EB5325 and the coating equipments for cold-rolled non-oriented electrical steel. A process using EB5325 coating liquid is made through many time experiments and exploration. The appeared defects in the coating are studied and analyzed,and the solutions are proposed. The coating quality meets clients’ requirements of cold rolled non-oriented electrical steel. 
2014-01-28 88 5.8

该电磁钢板包括母材钢板、第1绝缘被膜及第2绝缘被膜,该第1绝缘被膜被形成于所述母材钢板的第1面,并具有粘结能量,该第2绝缘被膜被形成于作为所述母材钢板的所述第1面的背面的第2面,并具有粘结能量,所述第1绝缘被膜的平均铅笔硬度为HB以上3H以下,所述第2绝缘被膜的平均铅笔硬度比所述第1绝缘被膜的平均铅笔硬度更高。
2021-06-17 76 6.8

以一种新的Fe-Si合金制备工艺为出发点,研究了不同放电等离子体快速烧结工艺(SPS)和Si含量变化对Fe-Si合金材料显微组织与磁性能的影响。结果表明,在烧结温度为1 000℃时制备的Fe-6.5%Si合金(质量分数,下同)的综合磁性能较好,其在50Hz下的铁损为0.549W/kg,最大磁感应强度为0.124 3T,矫顽力245.6 A/m,磁导率0.338mH/m。另外,材料的最大磁感应强度随Si含量的增加显著增长,1 000Hz下,Fe-10.0%Si的最大磁感应强度可达到Fe-6.5%Si合金的5倍左右。 The effects of Si content and SPS technology on microstructure and magnetic properties of Fe-Si alloy material were studied in the paper.It shows that the magnetic properties are the best when the content of Si is 6.5wt% and the sintering temperature is 1 000℃,the iron loss is 0.549W / kg in 50Hz,maximum magnetic induction is 0.124 3T,coercive force is 245.6A / m and permeability is 0.338mH / m。And,the maximum magnetic induction increases significantly with the increase of Si.The maximum magneti... 
2013-04-28 72 5.8

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