硅钢资料

研究表明,硅钢中的夹杂物对成品带钢的磁性能有显著影响。为研究冶炼过程硅钢中的夹杂物遗传变化,进而提出更有效的控制措施加以去除,本文结合典型的无取向硅钢生产炉次,采用非水溶液电解提取+扫描电镜观察方法分析冶炼过程中上述炉次典型试样的夹杂物。结果表明:转炉冶炼结束、RH精炼开始时,钢的氧化物夹杂总量最大,约为0.23%;RH精炼过程中,氧化物夹杂总量不断降低,并在脱碳结束时达到最低,约为0.02%;连铸过程中,氧化物夹杂总量仍有不断降低趋势,但夹杂物的平均尺寸变化不大。本试验条件下,中间包试样的夹杂物数量约为1.59×104个/mm3。 As we all know, the non-metallic inclusion effects magnetic properties of silicon steel sheets obviously. The article aims to study the heredity of non-metallic inclusion in non-oriented silicon steels during the steel making process, and then provides a more effective controlling measure to remove the inclusions. Based on the typical non-oriented silicon steel charges, the non-aqueous solution extraction and SEM observation were adopted to analyze the non-metallic inclusions. Results show that,... 

本发明提出了一种无机绝缘漆，由下列物质组成，其重量百分比为：质量百分含量为50～55％的磷酸二氢铝溶液：30～70％；质量百分含量为60～70％的磷酸二氢锰溶液：10～15％；质量百分含量为80～85％的硼酸溶液：5～6％；质量百分含量为99％的硅烷偶联剂溶液：1～5％；质量百分含量为30～35％的硝酸盐溶液：0.1～0.5％；硅溶胶：10～15％；纳米硅酸铝：10～15％；纳米二氧化硅：20～30％；消泡剂：1～5％；水溶剂：适量。本发明采用磷酸二氢铝、纳米二氧化硅为主料制备了一种极薄硅钢带薄绝缘无机绝缘漆的涂层，涂层厚度均匀性好，涂层表面光亮、附着性强、绝缘电阻系数高。

通过测试取向硅钢不同工艺条件下的碳含量,探讨了CGO取向硅钢碳含量控制的最优处理条件,研究了脱碳温度和脱碳时间对相同初始碳含量取向硅钢的脱碳效果的影响。结果表明,在气氛为(15%~20%)H2+(75%~80%)N2,炉压差为10~20 Pa的条件下,CGO取向硅钢合适的脱碳温度为1 073 K~1 123 K,脱碳时间为10~20 min。在该处理条件下,能取得较好的脱碳效果。 By means of testing carbon content of oriented silicon steel below the distinct technical conditions,inquires the excellent handle terms of carbon content controlling for CGO oriented silicon steel,studies effects of decarburization annealing temperature and decarburization annealing time to the oriented silicon steel decarburization efficiency in same initial carbon content.The results show that,under the condition of atmosphere(15% ~ 20%) H2+(75% ~ 80%)N2 and furnace pressure difference 10 ~ 2... 

本发明涉及无取向硅钢技术领域，尤其涉及一种改善高牌号无取向硅钢冷轧断带的控制方法。按重量百分比计：[Si+Al]≥4.0％；Mn、S含量满足：S≤0.0015，[Mn]/[S]:200～400；1)热轧过程中使用保温罩，热轧轧制时投入边部加热，头尾100米内卷曲温度提高15～30℃；2)常化机组圆盘剪进行边部剪边前增加加热装置，剪切后增加毛刺打磨装置，采用煤气明火加热，保证钢板温度在韧脆转变温度以上；3)圆盘剪间隙满足关系式：ds＝(0.15～0.45)d0ds:圆盘剪间隙，μm；d0:常化板板厚，mm；4)常化采用快速加热，控制钢带的预热段升温速度320～380℃/min，机组速度20～30m/min；5)常化工艺后，控制边部小于20μm的晶粒占比在5％以内。有效的减少了冷轧断带的发生，提高成材率1.30％以上，降低了生产成本。

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... 

本发明提供一种能够有效地抑制去应力退火中的渗碳、氮化的，实施了耐热型的磁畴细化处理的取向性电磁钢板。该取向性电磁钢板在一侧面具有多个槽，在所述钢板的表面至少具备镁橄榄石被膜，该多个槽是朝向横切轧制方向的方向线状地延伸且在该轧制方向隔着间隔地并列，并且，形成于所述槽的底部的所述镁橄榄石被膜厚度的平均值为0.45μm以上，并且该厚度的标准偏差σ为0.34μm以下。

采用Nb对Fe-6.5%Si(质量分数)高硅钢进行微合金化处理,结果表明:Nb在高硅钢薄板制备过程中细晶效果明显.铸态、锻态和热轧态组织的晶粒分别细化了17.50%,24.51%和30.13%.铸态样品压缩强度由1365 MPa提高至1520 MPa,延伸率提高77.78%;温轧板试样室温拉伸强度由573 MPa提高至621 MPa,延伸率提高44.44%.利用XRD对厚度为0.30—1.68 mm的温轧板的板面织构演变过程进行跟踪测量,结果发现:初始织构以(011)〈100〉Goss织构为主,单道次变形量为26.2%的情况下,Goss织构完全转化为(100)〈011〉旋转立方织构,随后,在单道次变形为22.6%的情况下,旋转立方织构完全转化为{111}面织构,即纤维织构,并稳定保持至0.30 mm. Fe-6.5%Si（mass fraction） alloy possess perfect magnetic properties,though intermetallics of Fe₁₄Si₂ phase brought 6.5%Si leads to room temperature brittleness and hinder this significant materials industrialization.Nb was adopted into micro-alloying of Fe-6.5%Si high silicon steel. OM,thermal simulated test machine and XRD were employed to study the influence of Nb on high silicon steel in processing stages.Textures of warm-rolled high silicon steel strips were determined b... 

研究了锰含量对w(Si)=1.8%Si无取向电工钢组织和性能的影响。结果表明,钢中锰含量从0.3%增加到1.2%时,由于α_γ相变的产生,铸坯低倍组织、热轧板金相组织及成品织构等均发生了不同程度的变化,对成品表面质量及磁性能产生了明显的影响。 The effects of manganese content on structure and properties of w(Si)=1.8% non-oriented electrical steels have been studied.Results show that with increasing manganese content to 1.2% from 0.3%,macrostructure of continuous casting slab,hot rolled band metallurgical structure and finished product texture vary in some extent because of the occurrence of α-γ phase transformation,the surface quality and magnetic properties of finished product are affected greatly. 

本实用新型公开了一种取向电工钢生产用控温装置，涉及取向电工钢生产用控温技术领域，为解决现有控温装置中的温度检测装置需要蓄电池对其进行供电，不仅增大了能量消耗，也对环境造成影响的问题，所述输送机构上方并列等距固定安装有三个温度检测机构，且两个温度检测机构之间均设置有一个喷水降温机构，所述输送机构上方两侧固定安装有限位块，且限位块内部并列等距设置有四个电动伸缩器，一侧所述电动伸缩器前端固定安装有温差发电挡板，所述温度检测机构上方设置有接收器，且温度检测机构下方内部并列等距设置有红外线温度检测器。

本发明公开了一种弧形硅钢片、弧形硅钢片治具及弧形硅钢片制造方法；弧形硅钢片治具包括压制底板和侧挤压板，压制底板和侧挤压板之间具有挤压间隙，挤压间隙的两侧分别设置有位于压制底板内侧的外挤压面和位于压制底板外侧的内挤压面，外挤压面和内挤压面的对应位置上开设有若干齿槽加工台阶，压制底板的下方开设有若干与挤压间隙连通的焊接孔，压制底板和侧挤压板的侧面对应位置设置有贯穿压制底板和侧挤压板的冲压模孔；通过弧形硅钢片制造方法，采用弧形硅钢片治具制成弧形硅钢片。本发明采用弧形硅钢片治具及弧形硅钢片制造方法实现动子中弧形硅钢片的压制成型，通过弧形硅钢片实现直线电机的圆周运动或圆弧运动。

研究了无取向硅钢钙处理前后夹杂物的行为,重点考察了钙处理前后夹杂物的成分、类型、形貌和尺寸研究的变化情况,为实际生产中无取向硅钢的钙处理提供理论指导。试验发现:钙处理前夹杂物主要以Al2O3、Al2O3-MgO为主,且在夹杂物表面有AlN析出,钙处理后夹杂物以Al2O3-MgO-CaS-CaO系复合夹杂物为主,还含有少量的SiO2或AlN;钙处理前后,夹杂物形貌由多边形或不规则形逐渐向球形或近似球形转变,并且夹杂物尺寸不断增大;钙处理前后,含钙夹杂物的比例发生突变,由10%增大到74.5%,且随着钙处理时间的延长,含钙夹杂物比例下降,表明钙处理使夹杂物变性后易聚集长大并上浮去除。 Behavior of inclusions before and after calcium treatment in non-oriented silicon steel was researched by investigating changes of compositions,types,shapes and sizes of inclusions before and after calcium treatment,for the purpose of providing theoretical guidance for calcium treatment of non-oriented silicon steel in actual situation. Results indicated that Al2O3 and Al2O3-MgO were main types of inclusions before calcium treatment,sometimes AlN maybe precipitate in the outer of inclusions. Al2... 

冷轧无取向硅钢（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N）经890℃或940℃3 min常化的2.3 mm热轧板冷轧成0.35 mm薄板。研究了常化温度和800⁹20℃3 min退火对该钢高频（400Hz）磁性能和抗拉强度的影响。结果表明,830⁹20℃退火时高频铁损P_10/400值最低,随退火温度增加,晶粒尺寸增大,钢的抗拉强度降低;该钢的最佳热处理工艺为常化温度940℃,退火温度830℃,其抗拉强度R_m、高频铁损P_10/400和磁感应强度J₅₀分别为565 MPa,21.5 W/kg和1.69 T。 The cold-rolled non-oriented silicon steel（/%:0.003C,2.35Si,0.22Mn,0.011P,0.002S,0.36A1,0.003 0N） is cold-rolled to 0.35 mm sheet from 2.3 mm hot-rolled plate normalized at 890 ℃ or 940℃ for 3 min.The effect of normalizing temperature and annealing process at 800 ⁹20 °C for 3 min on high frequency（400 Hz） magnetic properties and tensile strength of the steel has been tested and studied.Results show that with annealing at 830 920 ℃the high frequency iron loss value P_10...