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6.5%Si硅钢具有优异的磁学性能和广泛的应用前景。本文综述了6.5%Si硅钢的物理、机械及磁学特性,讨论了传统轧制、温轧、薄带连铸、快速凝固、CVD、粉末轧制等不同制备工艺的关键技术及特点,概括了6.5%Si硅钢在高效节能电机、汽车马达及磁屏蔽等领域中的主要应用,介绍了硅钢的制备技术取得的研究进展,并指出了其广阔的发展前景。 6.5% Si silicon steel has good magnetic properties and wide applications.In this paper physical and mechanical magnetic properties were summarized,and key technology and characteristic of several preparation methods,such as traditional rolling,warm rolling,thin strip continuous casting,rapid solidification,CVD and powder rolling,were discussed.Main applications of 6.5% Si steel in the fields of high-efficiency electrical motors,automobile motors,transformer cores and magnetic shielding were gene... 
2012-06-28 189 5.8

针对新日铁公开的相关专利,总结日本高强度无取向电工钢的研究进展,分析了各专利化学成分、生产工艺及产品性能的特点,指出固溶强化、细晶强化、析出强化、位错强化都有可能被用来提高无取向电工钢的强度。在高强度无取向电工钢的研发过程中,需要根据其具体用途确定目标性能,再采用合适的强化手段,从而实现力学性能、磁性能和生产性能之间的平衡。 Authors summarize the research progress of high strength non-oriented electrical steel in Japan by learning related patents brought into the public by Nippon Steel. Authors also analyze the characteristics of the chemical composition, production technology and properties of products in the patents and point out that any ones of solution strengthening method, fine-grain strengthening method, precipitation strengthening method or dislocations strengthening method may be used to improve the strengt... 
2013-11-28 173 5.8

以轻烧氧化镁粉为原料,经消化、碳化制得重镁水,在热解反应前采用络合剂对重镁水中的杂质钙、铁进行络合掩蔽,再经热解得到碱式碳酸镁,碱式碳酸镁经煅烧可制得钙、铁杂质含量较低的氧化镁。在重镁水络合除杂过程中,考察了络合剂三乙醇胺、柠檬酸、草酸单独和复合使用的除铁、除钙效果。以三乙醇胺为络合剂时,在200 mL重镁水中加10 mL三乙醇胺(1∶1),氧化镁产品中w(氧化镁)=99.3%、w(氧化钙)=0.31%、w(氧化铁)=0.042%;使用草酸和柠檬酸作为复合络合剂时,在200 mL重镁水中加入1.0 g柠檬酸和2.0 g草酸,氧化镁产品中w(氧化镁)=98.2%、w(氧化钙)=0.24%、w(氧化铁)=0.030%。 Light-burned magnesia as a raw material was hydrated and carbonated to obtain magnesium bicarbonate liquor.Before the pyrolyzing of magnesium bicarbonate liquor,complexants were used to cover Fe and Ca impurities.Then the treated liquid was pyrolyzed to obtain basic magnesium carbonate which was calcined to magnesium oxide with low calcium and iron content.During the complexing purification of magnesium bicarbonate liquor,the Fe and Ca removing effects of single or compound complexing agents,suc... 
2012-11-28 176 5.8

主要研究了氧化锌对以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.用盐雾实验和动电位极化研究了不同氧化锌含量对硅钢绝缘涂层的耐蚀性和电化学行为的影响.采用SEM和体视显微镜对涂层的表面形貌和附着性能进行研究.结果表明,氧化锌含量为4.0%时,氧化锌能完全中和涂层表面的游离磷酸,涂层的耐蚀性和附着性最好;氧化锌含量过少或过多时,涂层的耐蚀性和附着性都较差. This paper studies the influence of zinc oxide on the performance of chromium-free non-oriented silicon steel insulating coating which based on aluminum dihydrogen phosphate.Salt spray experiment and potentiodynamic polarization were used to study the influence of zinc oxide content on the corrosion resistance and electrochemical behavior of the insulation coating of silicon steel.The surface morphology and adhesion of coating were tested by SEM and stereo microscope.The results show that when t... 
2013-03-28 190 5.8

本实用新型公开了一种用于激光切割的铁芯硅钢片夹持装置,包括固定座,所述固定座的上方设置有底板,所述底板的上方设置有压板,所述压板与底板的内部且靠近前后侧边缘处均活动连接有转动辊,所述转动辊的表面活动连接有输送带,所述固定座的表面开设有排料口,所述底板的上表面开设有泄料口,所述压板的上表面开设有加工预留口,所述压板的内部且位于转动辊之间固定连接有转轴,所述转轴的表面固定连接有从动锥齿轮,所述压板的内部且靠近左侧边缘处固定连接有电机,所述电机的输出端固定连接有转动杆。本实用新型,该装置结构简单合理,能很好地解决现有技术的不足,能实现在夹持的时候进行送料工作,有利于提高硅钢片的加工效率。
2021-04-14 162 6.8

本实用新型涉及硅钢生产设备技术领域,具体公开了一种硅钢清洗用张力刷辊结构,包括中空的辊筒,辊筒两端固定有连接盘,连接盘上固定有转轴,辊筒的表面开设有若干排水槽,若干排水槽沿辊筒的周向等间距分布,辊筒的中部设有积水环槽,积水环槽内开设有连通辊筒内壁的进水孔,排水槽为倾斜设置,且排水槽的低端与积水环槽连通,连接盘上开设有排水孔。本专利中对硅钢带进行张紧时,完成清洗的硅钢带表面的水会沿着排水槽进入积水环槽,并从积水环槽进入到辊筒的内部,后排走,这样防止钢带上的水滞留在辊筒的表面,使得辊筒与钢带之间出现打滑的情况;另外多个排水槽的设置,还能够提高钢带与辊筒之间的贴附性,防止出现打滑的问题产生。
2020-12-29 157 6.8

取向硅钢热轧板中组织、织构梯度对发展完善的二次再结晶十分关键,通过对2种不同热轧工艺生产取向硅钢的组织、织构进行研究,结果表明:采用后道次大压下热轧工艺时热轧板表层再结区晶粒平均尺寸增加,再结晶区厚度增加,高温退火后二次晶粒尺寸减小;采用后道次大压下热轧工艺热轧时,热轧板中平均等效应变高,热轧板厚度心部{100}〈011〉和{100}〈001〉位向取向强度降低,({111}~{113})〈110〉位向取向强度提高,高温退火后{110}〈001〉位向偏离角降低,磁性能提高。 The texture and microstructure gradient in hot rolled grain oriented silicon steel strip was one of the essential factors to achieve a perfect secondary recrystallization.The texture and microstructure of grain oriented silicon steel strip as-rolled with two different hot rolling parameters was investigated.The results show that with big reduction at the end rolling process,the intensity of {100}〈011〉 and {100}〈001〉 orientation reduces with({111}-{113})〈110〉 orientation intensity enhanced in hot... 
2012-12-28 185 5.8

一种取向硅钢极薄冷轧板钢带的焊接系统及方法,于该系统内设有焊轮及与焊轮电连接的焊接控制器;所述焊轮由前后呈直线布设的主焊轮、副焊轮构成;所述焊接控制器由分别与主焊轮电连接的第一焊接控制器、与副焊轮电连接的第二焊接控制器构成。所述焊接基于单排焊,仅使用一次焊接行程,通过设置的第一次焊接与第二次碾压焊接依次作业完成。本发明的一种取向硅钢极薄冷轧板钢带的焊接系统及方法,针对取向硅钢极薄钢带冷轧板焊接的问题,对传统电阻焊焊机拥有的碾压轮改造及建立的相应焊接工艺。平衡了热量积累与质量保证两者,解决了取向硅钢极薄钢带冷轧板焊接容易发生虚焊、爆焊和焊接时间长等问题。同时和传统电阻焊焊机相比焊接工艺窗口更大,焊接效率更高。
2021-09-27 177 6.8

根据本发明的一个实施例的无取向电工钢板,以重量%计,所述钢板包含Si:2.2至4.5%、Mn:0.5%以下且0%除外、Al:0.001至0.5%、Sn:0.07至0.25%和N:0.0010至0.0090%,余量包含Fe和不可避免的杂质。所述钢板包含从钢板表面向内存在的表层部和存在于表层部里面的中心部,中心部包含0.005重量%以下的N,所述表层部比中心部更包含0.001重量%以上的N,表层部的平均晶粒粒径为60μm以下,中心部的平均晶粒为70至300μm。
2020-12-17 215 6.8

通过Axio Imager金相显微镜考察4.5%~7.0%硅(质量分数)对高硅钢材料组织形貌的影响,并利用Fe-6.5%Si高硅钢薄板制备方法对其进行轧制,通过DDL50电子万能试验机对阶段产品进行力学性能测试。结果证明,硅含量为5.58%的高硅钢在实验硅含量区间内存在最大延伸率及最小铸态组织晶粒尺寸。 An investigation about the influence of 4.5%-7.0% Si on microstructure and mechanical properties of high-silicon steel was presented.SEM was adopted to take an observation towards microstructure during fabrication,and DDL50electronic universal testing machine was applied into the detection of tensile curves.The results show that silicon steel with 5.58% Si provides the maximum elongation and minimum grain size as cast. 
2023-05-09 226 5.8

试验研究了球刻痕法对高磁感取向硅钢的铁损、矫顽力、相对磁导率、巴克豪森噪声等磁学性能的影响.研究结果表明:经过球刻痕处理后,高磁感取向硅钢的铁损明显降低,矫顽力下降,8 mm球刻痕过后铁损值与矫顽力分别下降16.2%和14.7%,且铁损和矫顽力均随刻痕间距降低而减少.刻痕后的高磁感取向硅钢磁导率在高磁感应强度下明显上升,刻痕后巴克豪森噪声值明显降低,经过对比分析确定8 mm为球刻痕的最佳刻痕间距.从磁畴观察、细化磁畴的原理等方面解释了细化磁畴对高磁感取向硅钢性能的影响原因. The effects of the ball scribing on magnetic properties of high permeability grain-oriented silicon steels,including the iron loss,coercive force,relative permeability,and Barkhausen noise were investigated. The results showed that the iron loss and coercive force of the high permeability grain-oriented silicon steels apparently decreased 16. 2% and 14. 7% respectively after 8 mm ball scribing and they both decreased with the decrease of the scribing spacing at the same magnetic flux density. At... 
2013-11-28 192 5.8

本发明公开了一种冷轧硅钢重卷的钢卷跟踪方法,将冷轧硅钢重卷工序中的工艺参数与带钢的长度进行映射,可以查看单位长度处的带钢的工艺参数,为后续进行数据分析、优化参数提供了数据支撑。还将带钢的卷取长度和入口长度进行映射,可以得到带钢在单位长度处的长度值对应的是上一道工序中的长度位置,为后续进行跨工序的长度追溯提供了前提条件。本发明通过收集该工序影响产品质量的关键工艺参数,并形成数字钢卷,可准确预测产品的质量情况,同时根据生产实际大数据,可以对该工序的工艺参数进行优化,实现提升质量、提高生产效率、节能降耗、减少产品封闭率等。
2021-02-26 164 6.8

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