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针对采用含钒铁水生产无取向电工钢存在的铁水脱硫率低、转炉冶炼过程回硫量大、成品硫含量偏高的问题,通过对含钒钛铁水脱硫,减少转炉冶炼过程回硫以及RH脱硫技术等方面的研究,大幅度降低了电工钢成品硫含量。生产表明钢中w(S)=0.001 9%~0.006 9%,平均为0.004 2%;w(S)≤0.008%的比例达到了100%,且w(S)≤0.005%的比例也达到了91.43%。 In cognizance of the problems of low desulphurization rate for hot metal,large sulfur-recovery in converter as well as high sulfur content in products in producing non-orientation electrical steel with vanadium-content hot metal countermeasures have been carried out.Sulfur content in non-orientation electrical steel is decreased obviously by way of study on technologies of desulphurization for hot metal with vanadium & titanium,sulfur-recovery control in converter and desulphurization in RH ... 
2013-01-28 102 5.8

【作者】 韩超; 代智肄; ...
2022-04-28 116 5.8

采用X射线衍射仪分析无取向硅钢冷轧织构和再结晶退火织构的演化,研究了热轧组织对无取向硅钢织构以及磁性能的影响。结果表明,具有均匀、粗大晶粒组织的热轧板,冷轧形成更多的剪切带,导致成品板形成高的高斯织构组分,并提高了{100}织构强度,降低了γ纤维织构,最终导致成品磁感应强度升高,铁损下降。 The texture evolution of non-oriented silicon steel during cold-rolling and recrystallization annealing was investigated by X-ray diffractometer.The effects of hot band microstructure on the texture and magnetic properties of non-oriented silicon steel were analyzed.The results show that more shear bands appear during cold rolling due to homogeneous coarse grain in hot band.So strong{110}<001> texture after recrystallization annealing forms.At the same time,the {100} texture components inc... 
2023-05-09 159 5.8

该电磁钢板用涂敷组合物含有环氧树脂、潜伏性环氧树脂固化剂和热塑性弹性体,上述热塑性弹性体的熔点为100℃~200℃,并且弯曲弹性模量为超过5MPa且为100MPa以下,相对于上述环氧树脂与上述潜伏性环氧树脂固化剂的合计100质量份,上述热塑性弹性体的含量为10质量份以上且低于40质量份。
2021-06-17 88 6.8

研究了电工钢SXRC的显微结构和疲劳性能,并与DP钢进行了比较。结果表明,退火温度低温化能够有效的抑制电工钢的再结晶。该钢在固溶铌的作用下,能够在保证电机磁性的同时具有一定的强度。与DP钢相比,SXRC钢的抗疲劳性能更好。 The microstructures and fatigue properties of the electrical steel SXRC we re investigated, and the properties were also compared with the steel DP. The results show that the recrystallization of the electrical steel can be suppressed at lower annealing temperature. The steel presents favorable motor magnetic and also a compatible strength with the help of solid-solution Nb. Compared with the steel DP, the fatigue resistance of the steel SXRC is preferable. 
2014-09-28 133 5.8

本发明公开了一种取向硅钢微观织构EBSD试样制样方法,包括:1)取样,采用线切割机制取向硅钢试样;2)制样,采用热镶嵌机镶制取向硅钢试样,按照常规方法进行粗磨、细磨、抛光、清洗、吹干;采用240目、400目、600目氧、800目、1000、2000目氧化铝砂纸对试样依次进行一次打磨处理;采用5.0um高效金刚石抛光剂对试样进行抛光处理;3)电解抛光,取向硅钢试样机械抛光后再进行电解抛光。
2021-02-04 107 6.8

冷轧取向硅钢工程中有很多的超长、大体积以及薄壁的混凝土结构,裂缝控制是土建施工的关键。在工程中,按照\"抗放兼施、先放后抗、以抗为主\"的原则,采用\"无缝分块跳仓法\",防止超长混凝土结构收缩产生裂缝;在隧道和池体的底板与墙板施工中,采用\"整体浇筑\"法,避免了墙板因约束应力而产生的裂缝。 In the Cold-rolled grain-oriented silicon steel project,there are many overlength,bulk mass,thin-walled concretes structures,how to control the crack is the key of civil engineering construction.In these projects,according to the principle of\"release with resist,resist before release,resist is dominant \",the crack of the over-long structure and shrinkage can be prevented by the method of\"seamless block skip bin \".In the construction of the bottom plate and wall of the tunnel and the pool,the cra... 
2023-05-12 1.28k 5.8

本实用新型涉及钢卷加热装置技术领域,且公开了一种用于硅钢片钢卷制造的加热装置,目前硅钢片钢卷加热不均匀的问题,其包括加热箱,所述加热箱的内腔一侧活动安装有主动轴,主动轴的外侧固定安装有主动齿轮,主动轴的左侧固定安装有位于加热箱外侧的电机,主动轴的两侧均活动安装有从动轴,两个从动轴的外侧均固定安装有从动齿轮,本实用新型,通过电机和主动轴以及主动齿轮的配合,可使得主动轴转动,并通过主动齿轮与两个从动齿轮的啮合,进而使得从动齿轮和主动齿轮同时转动,并通过两个加热盘对加热箱内部进行加热,从而使得固定盘和连接盘之间的钢卷边转动边加热,从而解决了硅钢片钢卷加热不均匀的问题。
2021-06-16 100 6.8

冷轧无取向硅钢是高技术含量、高附加值产品,工艺复杂,生产周期长,过程控制难度大,被誉为钢铁产品中的\"工艺品\"。热轧生产工艺又是无取向硅钢生产的重中之重,直接决定了硅钢的铁损和电磁性等多项指标。 Cold rolled non-oriented silicon steel is high technology content、high addedvalue product. Its process is complex, Its production cycle is of Length, and Its Process control is difficult. Which is known as the iron and steel products \" Arts and crafts\". Hot rolling production process is the top priority of non-oriented silicon steel, Which Directly determines iron loss of the silicon steel and electromagnetic property, etc many index. 
2023-05-09 175 5.8

本实用新型涉及卷绕机技术领域,且公开了一种硅钢片卷绕机连接调节机构,包括两个支撑板,两个支撑板的顶部之间水平固定连接有横板,两个支撑板的下端均开设有安装口,两个安装口之间水平设有安装板,安装板的底部两端均垂直连接有驱动液压缸,驱动液压缸的底部分别连接在对应位置处的安装口内;安装板的一侧开设有条形口,条形口内水平连接有若干支撑杆,条形口的两端底部均垂直连接有固定板,两个固定板之间水平连接有若干横杆,横杆上沿长度方向等距设有若干移动座,移动座的顶部垂直连接有分隔板。本实用新型设置的分隔板可对硅钢带进行分隔,且设置的剪切刀向下对硅钢带进行切割,提高了装置的实用性。
2021-12-15 146 6.8

利用OM,TEM,EDS与XRD技术,对Fe-3.15%Si低温取向硅钢热轧板不同常化处理后的显微组织、析出相及最终产品的磁性能进行了分析研究,并对热轧板和常化板经过冷轧后的冷轧板织构进行了对比分析.结果表明,采用1120℃保温3 min二段式冷却的常化处理工艺,常化板表层显微组织均匀,沿板厚方向的显微组织的不均匀性显著,对后续过程中形成高取向的Goss织构最有利,取向硅钢的磁性能最高;采用二段式冷却的常化冷却工艺最优,在此冷却工艺下析出的细小的析出物数量最多,且弥散分布在基体中,抑制剂的抑制效果最好,对成品获得高磁性最有利;热轧板、常化板经过冷轧后的冷轧板织构均主要由{111}〈110〉和{111}〈112〉织构组成,但常化板较热轧板冷轧后的冷轧板γ取向线织构密度明显增高,由此可以证实常化处理有助于取向硅钢最终获得高取向的Goss织构. The decreasing of slab heating temperature for grain-oriented silicon steel will reduce the amount of precipitates in hot rolled plate,and be disadvantage to the formation of ultimate Goss texture.The aim of normalizing is to control and adjust the amount,size and distribution of precipitates.Microstructures,precipitates and magnetic characteristics of finished products with different normalizing technologies for Fe-3.15%Si low temperature hot rolled grain-oriented silicon steel are researched,a... 
2013-05-28 101 5.8

通过对取向硅钢进行脉冲磁场退火实验,发现在相同的退火时间(6.0 min)内,低于1 T的脉冲磁场可以在一定程度上提高取向硅钢的磁感(B8),而高于1 T的脉冲磁场则会使取向硅钢的磁性能急剧恶化.同时发现,脉冲直流电加热方式会使取向硅钢的磁性能恶化.研究表明,脉冲磁场退火有望成为一种调控材料微观结构的有效手段. We have carried out experiments of annealing by pulse magnetic field.The results show that a pulse magnetic field with intensity lower than 1 T can promote magnetic induction density(B8) of grain-oriented silicon steel,while the magnetic properties deteriorate sharply when intensity is higher than 1 T.It has also been found that heating by using pulse direct current can cause the magnetic properties to deteriorate,in contrast to the traditional heating using resistance furnace.Our research shows... 
2011-01-28 141 5.8

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