硅钢资料

本发明提供的一种耐热型低损耗取向硅钢，取向硅钢的单面采用激光刻痕形成平行线状沟槽；所述激光刻痕为取向硅钢制备工艺中的渗氮步骤之后和在涂覆MgO涂层步骤之前实施；在渗氮步骤之后和在涂覆MgO涂层步骤之前进行激光刻痕加工不会破坏高温退火后形成的硅酸镁底层，底层完整性好，刻痕形成的沟槽位于取向硅钢带材金属基体表面，在高温退火过程中沟槽内直接反应生成硅酸镁底层，最终取向硅钢带材表面涂覆张应力涂层后光滑、平整、无凹凸，取向硅钢带材损耗低、叠片系数高、耐热，成品取向硅钢带材既可用于制备立体卷铁心变压器也可用于制备叠片铁心变压器。

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... 

本实用新型公开了一种用于硅钢片叠装的工装，包括安装底座，所述安装底座上设置有限位装置，所述限位装置包括多个水平限位柱和多个竖直限位柱；各个水平限位柱之间的缝隙的尺寸等于其对应放置的硅钢片的宽度，各个竖直限位柱与安装底座的底边之间的距离等于其对应放置的硅钢片的总长度；所述各个竖直限位柱设置在各个水平限位柱之间的缝隙所正对的位置；采用多个水平限位柱和多个竖直限位柱进行水平和竖直方向上均对硅钢片进行定位；使用此工装叠装出来的成品，长短一致，侧面相当整齐；本实用新型，结构简单，操作方便。

一种电工钢切片用辅助定位装置，涉及电工钢加工技术领域，包括加工台、支撑腿、定位块、侧板、滑杆、移动板、顶板、滑动架、伸缩杆、切片装置、定位杆和挡板；支撑腿设置在加工台底部；定位块设置有两组，两组定位块均设置在加工台上，两组定位块沿横向分布，每组定位块设置有两个，每组的两个定位块沿纵向分布；侧板设置有两个，两个侧板均设置在加工台纵向一侧，两个侧板沿横向分布；滑杆设置在两个侧板之间；移动板沿横向滑动设置在滑杆上；顶板设置在移动板靠近加工台的纵向一侧，顶板位于移动板上端。本实用新型能够方便工作人员切割出一定尺寸的电工钢切片，且切割精度很高。

研究了硼酸对以Al(H2PO4)3为基料的无铬无取向硅钢绝缘涂层各项性能的影响。用盐雾实验、动电位极化及交流阻抗等试验手段研究了不同硼酸含量对硅钢绝缘涂层的耐蚀性和电化学行为的影响,同时采用SEM对涂层的表面形貌进行了研究。结果表明,硼酸含量为9.7%时,涂层的耐盐雾性及电化学性能最好;硼酸含量过少或过多时,涂层的耐蚀性和电化学性能都较差。 Influence of boric acid on the performance of chromium-free non-oriented silicon steel insulating coating based on aluminum dihydrogen phosphate was investigated.Salt spray experiment,potentiodynamic polarization and electrochemical impedance spectroscopy were used to study the influence of boric acid content on the corrosion resistance and electrochemical behavior of the insulation coating of silicon steel.Surface morphologies of the coatings were tested by SEM.Result shows that when the boric ... 

试验研究了退火温度(850~950℃)和时间(5~18 min)对2.3 mm热轧硅钢板(/%:0.036C,3.15Si,0.21Mn,0.005P,0.007S,0.032A1)6道次轧制的0.35 mm冷轧板组织和织构的影响。结果表明,退火温度越高,晶粒平均尺寸越大,900℃5 min退火时平均晶粒尺寸41.39μm,试样织构主要集中在γ取向线上的{111}<112>织构组分和{111}<110>织构组分;900℃18 min退火时平均晶粒尺寸为48.08μm,试样的{111}面织构和{112}面织构密度都明显减弱,{001}面织构增强,磁性能较优。 The effect of annealing temperature(850 ~950 ℃) and holding time(5 ~ 18 min) on structure and texture of 0.35 mm sheet by 6 passes cold-rolling from 2.3 mm hot-rolled plate of silicon steel(/%:0.036 C,3.15 Si,0.21 Mn,0.005 P,0.007 S,0.032A1) has been tested and studied.Results show that the higher the annealing temperature the coarser the average grain size;As annealing at 900 ℃ for 5 min the average grain size of steel sheet is 41.39 μm,and the texture in sample is mainly concentrated in y orie... 

研究了含铜低碳低硅无取向电工钢中的析出相及其析出机理.由能谱(EDS)及选区电子衍射(SAED)分析可知,铁素体基体上存在的大量弥散分布的等轴状析出相为类B2结构的铜.这些铜析出相的析出机理可以是一般析出、位错析出、台阶机理相间析出和弓出机理相间析出:一般析出在550、650和750℃三个等温温度均可发生;位错析出只发生在较低的等温温度(550℃),此时析出相呈特殊的平行短列状;台阶机理相间析出也可在上述三个等温温度下发生,但650℃等温时最有利于台阶机理相间析出,此时析出相平直列状分布;弓出机理相间析出只发生在较高的等温温度(750℃),析出相弯曲列状分布. Precipitates in low-carbon low-silicon non-oriented electrical steel containing Cu were studied and the precipitation mechanism was analyzed by means of energy dispersive spectrometry(EDS) and selected area electron diffraction(SAED).It is found that the equiaxed precipitates of Cu with B2-like structure distribute dispersively in the non-oriented electrical steel.The precipitation mechanism involves general precipitation,dislocation precipitation,interphase precipitations formed by the ledge me... 

结合工业化生产的无取向硅钢,进行了RH精炼喂CaSi线去除钢中的非金属夹杂物试验研究。针对不同的钙处理条件,分析了CaS夹杂生成热力学,观察了夹杂物的形貌和尺寸分布,确定了夹杂物的类型、数量,探讨了钙处理后钢中夹杂物的变化规律。结果表明,本试验条件下,钙处理可以有效抑制MnS、AlN夹杂物的生成,有效促进钢中微细夹杂物的聚合、上浮、去除,钢质纯净度明显提高。经过合适的钙处理后,钢中的夹杂物以独立存在的CaO为主,同时有少量含CaO、SiO2、MgO的复合夹杂,没有发现CaS夹杂存在。这部分夹杂物的尺寸集中分布在2～20μm,数量约为1.8×105个/mm3。 Experimental study on removal of non-metallic inclusions in non-oriented silicon steel obtained from industrial production by CaSi wire feeding during RH refining process was carried out.The thermodynamics of CaS inclusion formation was analyzed,the morphology and the size distribution of inclusions were observed,and the numbers and types of inclusions were also determined for the steel specimens treated under different calcium treatment conditions.Furthermore,the variation of inclusion characte... 

一种硅钢生产线退火炉前的换热装置，包含有抽风机（1）、立柱（2）、热交换器（3）、软管（4）和热风机（5）；其特征在于：所述的热交换器（3）由若干组U形不锈钢管连接而成，一端固定在轴套（8）上，另一端通过链条（10）连接在立柱（2）顶端的链条盘（9）上，当链条盘（9）转动时，链条（10）拉动热交换器（3）绕着横轴（7）抬起或放下。本实用新型通过抽风机（1）将清洁空气抽到热交换器（3）内进行加热，然后再通过软管（4）将热空气输送到热风机（5）内来加热硅钢板（14），有效的利用了热能，避免了凝露导致的板面发蓝现象。

本发明提供一种无取向硅钢用涂层溶液及其制备方法和应用，以所述无取向硅钢用涂层溶液的总质量为基础计，所述无取向硅钢用涂层溶液包括如下质量百分含量的原料组分：磷酸盐溶液55％～60％；树脂溶液20％～25％；二乙二醇丁醚2％～4％；改性剂3％～5％；余量为水。由本发明所述无取向硅钢用涂层溶液形成的绝缘涂层厚度均匀，表面光滑，具有优良的绝缘性、耐腐蚀性、附着性，而且硅钢片的冲片性能好、叠片系数高。

本实用新型公开了一种能限位的硅钢片，包括主体，主体的上表面设置有限位柱，限位柱的轴心处开设有散热孔，主体的上表面开设有限位槽，主体的外壁设置有凹槽，主体的下表面设置有限位凸起，主体的下表面开设有限位孔；该一种能限位的硅钢片通过在主体的外壁设置凹槽可以方便拿取，在其上下表面分别设置限位柱与限位孔，可以使主体间的位置相对固定不会轻易挪动。

通过后天抑制剂获得法制备了取向硅钢,对渗氮前后和高温退火升温阶段析出物的析出和转化规律进行了研究。研究结果表明,渗氮前脱碳退火态基体中存在少量的粗大AlN颗粒和细小AlN颗粒,渗氮处理后新析出大量的Si3N4析出物,高温退火升温阶段Si3N4将转化为(Al,Si)N,随着温度的继续升高(Al,Si)N颗粒将发生粗化,(Al,Si)N是后天抑制剂获得法制备取向硅钢的主要抑制剂。 Grain-oriented silicon steels were produced by acquired inhibitor method.The rule of precipitate transformation was studied after nitriding treatment and high-temperature finishing annealing.The results show that a small amount of large AlN and fine AlN are found in matrix before nitriding treatment,and a large amount of Si3N4 is precipitated in matrix after nitriding treatment.During the temperature rising period of high-temperature finishing annealing,Si3N4 would transform into(Al,Si)N,and(Al,...