采用管式炉、高频加热炉和渣膜模拟仪分别提取了无磁场和高频电磁场作用下的保护渣渣膜,结合XRD衍射和矿相分析了高频电磁场作用下保护渣结晶特性的变化规律.建立了高频电磁场条件下的保护渣焦耳热场和流场的三维数学模型,研究了高频电磁场对保护渣结晶特性的影响机理.结果发现,在高频磁场作用下,保护渣渣膜没有生成新的物相,但结晶率明显升高,晶粒尺寸显著减小.高频电磁场为熔渣提供了一定能量并具有搅拌作用,是产生这一结果的主要原因.
参考文献
| [1] | 任忠鸣,邓康,蒋国昌.软接触结晶器电磁连铸技术的发展[J].钢铁研究学报,2002(01):58-64. |
| [2] | 王玮,王强,邓安元,王恩刚,赫冀成,张永杰.钢的软接触电磁连铸结晶器的研究进展[J].铸造,2003(06):379-383. |
| [3] | Vives C .Electromagnetic refining of aluminum alloys by the CREM process:Part Ⅰ.Working principle and metallurgical results[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1989,20B(10):623-629. |
| [4] | Vives C .Electromagnetic refining of aluminum alloys by the CREM process:part Ⅱ.specific practical problems and their solutions[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1989,20B(10):631-643. |
| [5] | Kim H;Park J;Sim D J.Effect of electromagnetic field on continuously cast steel billet[A].Japan:Nagoya,ISIJ,2000:236-240. |
| [6] | Joonpyo PARK;Hoyoung KIM;Heetae JEONG .Continuous Casting of Steel Billet with High Frequency Electromagnetic Field[J].ISIJ International,2003(6):813-819. |
| [7] | 迟景灏;甘永年.连铸保护渣[M].沈阳:东北大学出版社,1993:1-177. |
| [8] | 饶东生.硅酸盐物理化学[M].北京:冶金工业出版社,1980:1-298. |
| [9] | 王海泉,陈国华.电场诱导粒子取向排列的研究进展[J].华侨大学学报（自然科学版）,2008(04):490-494. |
| [10] | 王雨,王焱辉,曾晓兰,梁小平,危志文.电场作用下保护渣的结晶性能[J].钢铁研究学报,2012(05):10-13,17. |
| [11] | Jin Ll;Wanlin WANG;Juan WEI .A Kinetic Study of the Effect of Na_2O on the Crystallization Behavior of Mold Fluxes for Casting Medium Carbon Steel[J].ISIJ International,2012(12):2220-2225. |
| [12] | Masahito HANAO;Masayuki KAWAMOTO;Akihiro YAMANAKA .Influence of Mold Flux on Initial Solidification of Hypo-Peritectic Steel in a Continuous Casting Mold[J].ISIJ International,2012(7):1310-1319. |
| [13] | Akira YAMAUCHI;Toshihiko EMI;Seshadri SEETHARAMAN .A Mathematical Model for Prediction of Thickness of Mould Flux Film in Continuous Casting Mould[J].ISIJ International,2002(10):1084-1093. |
| [14] | NA Xian-zhao,XUE Min,ZHANG Xing-zhong,GAN Yong.Numerical Simulation of Heat Transfer and Deformation of Initial Shell in Soft Contact Continuous Casting Mold Under High Frequency Electromagnetic Field[J].钢铁研究学报（英文版）,2007(06):14-21. |
| [15] | DENG An-yuan,WANG En-gang,HE Ji-cheng.Effect of Structure Parameters on Power and Magnetic Field in Electromagnetic Soft-Contact Continuous Casting System[J].钢铁研究学报（英文版）,2008(01):19-24. |
| [16] | 丁国,李建超,王宝峰,麻永林.小方坯连铸结晶器电磁搅拌磁场和流场的耦合分析[J].包头钢铁学院学报,2006(03):222-225. |
| [17] | 陈荣,沈厚发.板坯结晶器电磁搅拌电磁场与流场的数值模拟[J].连铸,2010(03):1-5,15. |
| [18] | 周月明;张永杰;陆丽华 等.非均等缝隙电磁软接触连铸结晶器[P].中国专利:01254021.8,2001-09-30. |
| [19] | 韩至成.电磁冶金学[M].北京:冶金工业出版社,2001:1-400. |
| [20] | 贾光霖;庞维成.电场冶金原理与工艺[M].沈阳:东北大学出版社,2003:1-315. |
| [21] | 王挺,杨军.连铸结晶器内圆坯热力行为分析[J].热加工工艺,2012(03):44-46,49. |
| [22] | 何光飚,王浩.板坯结晶器内钢液三维流场数学模型的研究[J].冶金能源,2010(04):21-23,27. |
| [23] | 许长军,汪琦,胡林,刘良元.板坯结晶器内流场作用下钢液传热凝固的数值模拟[J].特殊钢,2010(06):4-6. |
| [24] | Noritaka S;Kakeru K;Sohei S et al.Effect of agitation on crystallization behavior of CaO-SiO2-R2O (R =Li,Na,or K) system characterized by electrical capacitance measurement[J].ISIJ International,2012,52(12):2123-2129. |
| [25] | 李中原,赵九洲.拉速对薄板坯连铸过程中流场、温度场及溶质偏析的影响[J].特种铸造及有色合金,2006(04):193-196. |
| [26] | Preeti Prakash SAHOO;Ankur KUMAR;Jayanta HALDER .Optimisation of Electromagnetic Stirring in Steel Billet Caster by Using Image Processing Technique for Improvement in Billet Quality[J].ISIJ International,2009(4):521-528. |
| [27] | Joonpyo PARK;Hoyoung KIM;Heetae JEONG .Continuous Casting of Steel Billet with High Frequency Electromagnetic Field[J].ISIJ International,2003(6):813-819. |
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