硅钢资料

针对不同牌号的无取向硅钢产生结疤缺陷的难易程度和表面结疤缺陷的外形特征及分布规律,分析了该缺陷产生的原因。通过调整剪前导板的对中度,设置精轧侧导板开度余量及短行程数值,及时修补与更换侧导板,减少带坯与侧导板挤撞程度,有效地降低了结疤缺陷发生率。 This article analyses the cause of the scab defects according to the defects appearance characters and distribution law,degree of difficulty to form scar of non-oriented silicon steel. It can effectively decrease the scabs by different methods,such as adjusting the center line of guide plate,setting the opening margin and short stroke value of the side guide on finishing mill,timely repairing and replacing of side guide,decreasing the collision between the strip and side guide. 

通过试验确定氩气分析流量为3.5L/min,静态流量为0.75L/min,冲洗时间为3s,预燃时间为12s,积分时间为5s的激发条件,采用火花源原子发射光谱法测定取向硅钢中碳、硅、锰、磷、硫。分别采用铣床铣样、砂轮磨样两种制样方式进行了精密度考察,发现制样方式对结果影响不大;讨论了取向硅钢样品中碳、硅、锰、磷、硫测定时可能存在的共存元素干扰,发现硅对锰元素的干扰不可忽略,采用干扰系数法进行了校正,据此拟合得到各元素校准曲线的相关系数均在0.999 0以上。精密度考察结果表明,碳、硅、锰、磷、硫的相对标准偏差(n=10)在0.71%~9.4%之间。对两块取向硅钢生产样品进行分析,并与钢铁研究总院进行比对分析,结果一致,且偏差均在允许范围内。 Carbon,silicon,manganese,phosphorus and sulfur in oriented silicon steel were determined by spark source atomic emission spectrometry.The selected excitation conditions were as follows:the analytical flow rate of argon was 3.5L/min,the static flow rate was 0.75L/min,the flush time was3s,the precombustion time was 12sand the integration time was 5s.Two sample preparation methods,including milling machine and grinding wheel,were investigated.The precision test results showed that,the determination... 

利用OM、SEM、TEM等实验方法研究了卷取工艺对一种新型含铜无取向电工钢晶粒度和析出相的影响。结果表明,该电工钢热轧带卷取后的晶粒尺寸为18～24μm,在卷取过程中,热轧带中有一定数量的第二相析出,经EDS能谱及选区电子衍射分析,这些析出相主要为AlN。随着卷取工艺的变化,该电工钢的晶粒度大小变化不明显,析出相的类型、尺寸大小不发生改变,体积分数发生一定的改变。 The effects of coiling process on grain size and precipitates of a new copper-bearing non-oriented electrical steel were investigated by OM,TEM and other experimental method.The results show that the grain size of hot-rolled bands after coiling is 18～24 μm.The second phases precipitate during coiling process.They are mainly AlN by EDS spectra and selected area electron diffraction.With the change of coiling process,the grain size of the electrical steel does not change significantly;the type and... 

介绍了国内、外电工钢极薄带的生产现状及市场应用的情况,以及典型生产企业的生产规模、产品性能和应用领域,指出扩大高牌号无取向电工钢生产、提高产品质量是目前电工钢发展的迫切要求。 The production situation and market application of ultra thin electrical steel strip at home and abroad were described.The production capability,product property and application area of typical corporation were introduced.The results indicate that the urgency needed of electrical steel development is expanding high-grade non-oriented electrical steel production and improving products quality at present. 

本发明提供一种无取向硅钢低温无铬环保绝缘涂层立式干燥固化工艺，冷轧无取向硅钢在镀锌机组经过退火后，通过涂层机涂覆低温无铬环保绝缘涂层，再经过立式干燥炉完成干燥固化，生产冷轧无取向硅钢产品。低温无铬环保绝缘涂层厚度0.8~1.0μm；立式干燥炉各段炉温：加热一段炉温420~450℃，加热二段炉温460~490℃，加热三段炉温500~530℃，加热三段出口板温200~240℃，冷却段出口板温60~65℃；立式干燥炉各段加热时间：加热一段、加热二段、加热三段的加热时间均为3.5~4s。采用本发明工艺不仅能保证钢带涂层均匀，使最终产品的涂层具有优异的绝缘性、耐蚀性、附着性、冲片性、焊接性和耐热性，满足下游工序要求，还可提高产品合格率，减少废品，保证生产顺行。

结合工业化生产的无取向硅钢,进行了RH精炼添加稀土合金实验。结果表明,1.15%(质量分数)Si钢的脱硫反应,主要发生在添加稀土合金之后的前5min。最佳的稀土合金添加量为0.6～0.9kg/t钢。钢液经过稀土处理后,加入的稀土总量越多,稀土氧硫化物夹杂物的尺寸就越大,但热轧带钢再结晶效果会逐渐变差,成品带钢晶粒尺寸先是快速长大,而后逐渐减小。最佳的钢中存留稀土含量与钢的化学成分有关,应严格控制在2.0×10-3%～6.0×10-3%(质量分数)。在此范围内,钢的铁损先是快速降低,而后缓慢升高,钢的磁感应强度则单调降低。 Based on the industrial production of non-oriented electrical steel,rare earth(RE) alloy treatment during the RH refining process was studied.The results showed that the effects of desulfurization and total concentration of RE remained in steel mainly depended on the chemical compositions of different steel grades.For 1.15wt% Si steel grade,the desulfurization reaction mainly focused on the initial 5min after RE alloy added during the RH refining process.The suitable RE alloy addition was 0.6-0.... 

【作者】 陶永根； ...

层叠铁芯使用的电磁钢板是在母材钢板(2)的表面具有涂布电磁钢板用涂布组合物而形成的绝缘被膜(3)的电磁钢板，所述电磁钢板用涂布组合物以特定的比率配合有环氧树脂、由烷基酚构成的第一固化剂、由苯酚甲阶酚醛树脂和苯酚酚醛清漆树脂中的任意一方或双方构成的第二固化剂。

本发明提供虽然为薄壁但磁特性优异的方向性电磁钢板的制造方法。本发明的一个方案提供一种方向性电磁钢板的制造方法，其包括热轧工序、任选的热轧板退火工序、酸洗工序、冷轧工序、一次再结晶退火工序、成品退火工序和平坦化退火工序，在酸洗工序中，使用包含0.0001g/L～5.00g/L的Cu的酸洗溶液，冷轧钢板的板厚为0.15mm～0.23mm，一次再结晶退火工序的升温工序中的30℃～400℃的温度区域的平均升温速度超过50℃/秒且为1000℃/秒以下。

本发明是高磁感取向硅钢的脱碳退火工艺，首先对硅钢卷进行放卷、活套、清洗；再对硅钢进行脱碳、渗氮处理，氨气流量6‑20m3/h、加湿槽温度30‑70℃，脱碳温度780‑880℃、机组速度45‑75m/min、气氛中氢气比例20‑60％、氮气比例40％‑80％，然后冷却到常温；对硅钢进行活套；再对硅钢进行涂覆氧化镁，涂覆量4‑10g/㎡；最后对硅钢进行干燥和收卷成硅钢卷；通过本发明对高磁感取向硅钢的脱碳退火工艺流程进行了优化设计，调整了脱碳退火工艺中氨气流量、气氛、加湿槽水温等参数，优化了高磁感取向硅钢中碳元素、氮元素和氧元素的含量，最终使高磁感取向硅钢实现稳定的性能，磁感达1.92T。

本实用新型公开了转盘式硅钢片转运装置，属于硅钢片转运领域，包括本体，所述本体的顶部设置有收纳箱，所述本体的内部水平设置有横板，所述横板的两侧分别与本体内腔的两侧固定连接，所述横板的底部设置有平移机构，所述横板横向活动套接在连接杆，所述连接杆顶端与收纳箱的底部固定连接，所述连接杆的底端固定连接有转动盘，所述转动盘的底部固定连接有固定杆，所述固定杆上活动套接有套筒，通过设置平移机构，平移机构带动铰接杆，铰接杆拉动固定杆，固定杆带动转动盘，转动盘通过连接杆带动收纳箱，使得收纳箱可以进行旋转，将远离工作人员的一侧，调整至靠近工作人员的一侧，从而方便进行安放硅钢片。

电工钢反复弯曲次数是电工钢性能检验的重要指标之一,直接影响到用户在使用电工钢过程的机加工性能。主要分析了试样宽度、试样张力、晶粒取向、反复弯曲设备等因素对电工钢反复弯曲试验的影响,并对各个因素的影响程度进行量化以及原因探讨,从而归纳形成各影响因素的基本规律,以便为电工钢实际生产、用户使用提供科学指导。结果表明:试样宽度增加,反复弯曲次数也会不断增加,晶粒位向对取向电工钢的反复弯曲次数影响较大,当支座顶部到拨杆底部的距离减小或拉紧力增加时,反复弯曲次数会不断减小,但当拉紧力达到60N以上时,对反复弯曲次数影响不大,试样经退火后,反复弯曲次数略有上升。 The reverse bend number is an important performance of electrical steels′capabilities,affecting the machining performance directly when the customers used.It investigated some factors,such as sample′s width,sample′s tension load,grain orientation and equipment,how to effect the reverse bend test for electrical steel,measured the influence degree,and discussed the reason,in order to form basic rules which could be guided the manufacturing and using for electrical steel.Results showed that the rev...