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INVESTIGATION OF RAPID DIRECTIONAL SOLIDIFICATION OF AL-BASED IMMISCIBLE ALLOYSⅠ. EFFECT OF APPLIED MAGNETIC FIELD |
Jie He;;;;; |
金属研究所 |
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Cite this article:
Jie He. INVESTIGATION OF RAPID DIRECTIONAL SOLIDIFICATION OF AL-BASED IMMISCIBLE ALLOYSⅠ. EFFECT OF APPLIED MAGNETIC FIELD. Acta Metall Sin, 2007, 43(6): 567-572 .
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Abstract The directional solidification experiment of Al-Bi immiscible alloys has been carried out by using the self-made equipment with the applied magnetic field. The effect of the magnetic field strength on the microstructure was investigated. Also, the effects of the magnetic field on the sphere’s nucleation, spatial motion and the collision and coagulation between spheres have been analyzed theoretically. The results show that both the motion velocity and the probability of the collision and coagulation are availably reduced due to the applied magnetic field. It indicates that the larger the magnetic field strength, the smaller the average size of Bi-rich spheres is and the more dispersedly the spheres distribute.
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Received: 09 November 2006
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[1]Liu Y,Guo J J,Jia J.Foundry,2000;49:11 (刘源,郭景杰,贾均.铸造,2000;49:11) [2]Wang C P,Liu X J,Ohnuma I,Kainuma R,Ishida K. Science,2002;297:990 [3]Xian A P,Zhang X M,Li Z Y.Acta Metall Sin,1996;32: 113 (冼爱平,张修睦,李忠玉.金属学报,1996;32:113) [4]Carberg T,Fredriksson H.Metall Trans,1982;11A:1665 [5]Zhao J Z,Gao L L,He J.Appl Phys Lett,2005;87: 131905-1 [6]He J,Zhao J Z,Ratke L.Acta Mater,2006;54:1749 [7]Mackay M L.Met Prog,1977;111:32 [8]Jia J,Zhao J Z,Zhang J H,Chen Y Y.Chin J Mech Eng, 1991;4(2):90 [9]Mohan S,Agarwala V,Ray S.Mater Sci Eng,1991;A144: 215 [10]Derby B,Favier J J.Acta Metall,1983;31;1123 [11]Zhao J Z,Guo J J,Jia J,Li Q C.Trans Nonferrous Met Soc Chin,1995;5:85 [12]He J,Zhao J Z.Mater Sci Eng,2005;A404:85 [13]Guo J J,Liu Y,Su Y Q,Ding H S,Zhao J Z,Xue X.Scr Mater,2001;45:1197 [14]Nestler B,Wheeler A A,Garcke H.Comput Mater Sci, 2003;26:111 [15]Zhu D Y,Yang X H,Han X J,Wei B B.Chin J Nonferrous Met,2003;13:328 (朱定一,杨晓华,韩秀君,魏炳波.中国有色金属学报,2003; 13:328) [16]Moreau R.Magnetohydrodynamics in Process Metallurgy. Warrendale:AIME,1991 [17]He J.PhD Dissertation,Institute of Metal Research,Chi- nese Academy of Sciences,Shenyang,2006 (何杰.中国科学院金属研究所博士学位论文,沈阳,2006) [18]Li K,Hu W R.J Cryst Growth,2001;222:677 [19]Matthiessen D H,Wargo M J,Motakef S,Carlson D J, Nakos J S,Witt A F.J Cryst Growth,1987;85:557 [20]Robertson G D,O'Connor D J.J Cryst Growth,1986;76: 100 [21]Shi L.Alloy Thermodynamics.Beijing:Mechanism in- dustry Press,1992 (石霖.合金热力学.北京:机械工业出版社,1992) [22]Liu X T,Cui J Z,Wu X M,Guo Y H,Zhang J.Scr Mater, 2005;52:79 [23]Nakagawa Y.Acta Metall,1958;6:704 [24]Shercliff J A.A Textbook of Magnetohydrodynamics.Lon- don:Pergamon Press,1965 [25]Brenner H.Chem Eng Sci,1961;16:242 [26]Chester W.J Fluid Mech,1957;3:304 |
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