在半连续铸造亚共晶Al-Fe合金过程中施加直流磁场,利用背散射电子衍射EBSD研究磁场对合金微观组织和晶体学特征的影响.结果表明:直流磁场下合金中的柱状晶转变成层片状孪晶,并且合金的组织转变伴随着晶体择优生长方向从<100>到<110>的改变.
参考文献
[1] | VIVES C .Electromagnetic refining of aluminum alloys by the CERM process:Part Ⅰ.working principle and metallurgical results[J].Metallurgical Transactions B,1989,20(05):623-629. |
[2] | VIVES C .Electromagnetic refining of aluminum alloys by the CREM process:Part Ⅱ.specific practical problems and their solutions[J].Metallurgical Transactions B,1989,20(05):631-643. |
[3] | 张北江,崔建忠,路贵民,张勤,班春燕.电磁场频率对电磁铸造7075铝合金微观组织的影响[J].金属学报,2002(02):215-218. |
[4] | Beijiang ZHANG,Guimin LU,Jianzhong CUI.Effect of Electromagnetic Frequency on Microstructures of Continuous Casting Aluminum Alloys[J].材料科学技术学报(英文版),2002(05):401-403. |
[5] | 董杰,刘晓涛,赵志浩,包卫平,崔建忠.结晶器材料对低频电磁铸造超高强铝合金铸态组织的影响[J].金属学报,2004(02):215-219. |
[6] | 董杰,崔建忠,赵志浩.低频电磁铸造超高强高韧铝合金元素晶内固溶度和力学性能研究[J].航空材料学报,2003(01):16-20. |
[7] | YOUDELIS W V;DORWARD R C .Directional solidification of aluminium copper alloys in a magnetic field[J].Canadian Journal of Physics,1966,44:139-150. |
[8] | TEWARI S N;SHAH R;HUI S .Effect of magnetic field on the microstructure and macrosegregation in directionally solidified Pb-Sn alloys[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1994,25(07):1535-1544. |
[9] | UHLMANN D R;SEWARD T P;CHALMERS B .The effect of magnetic fields on the structure of metal alloy castings[J].Metallurgical Society of AIME,1966,236(04):527-535. |
[10] | Lei Li;Yudong Zhang;Claude Esling;Zhihao Zhao;Yubo Zuo;Haitao Zhang;Jianzhong Cui .Formation of twinned lamellas with the application of static magnetic fields during semi-continuous casting of Al-0.24 wt%Fe alloy[J].Journal of Crystal Growth,2009(11):3211-3215. |
[11] | HENRYS;JARRYP;RAPPAZM .《110》 dendrite growth in aluminum feathery grains[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1998,29:2807-2817. |
[12] | Pascale Gillon .Uses of intense d.c. magnetic fields in materials processing[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(2):146-152. |
[13] | CARRUTHERS J R.Preparation and Properties of Solid State Materials[M].New York:Marcel Dekker,Inc,1977:1-113. |
[14] | HUNT J C R .Magnetohydrodynamic flow in rectangular ducts[J].Journal of Fluid Mechanics,1965,21:577-590. |
[15] | 王祝堂;张振录;郑旋.铝合金:组织与性能[M].北京:冶金工业出版社,1988:50-345. |
[16] | Assael MJ;Kakosimos K;Banish RM;Brillo J;Egry I;Brooks R;Quested PN;Mills KC;Nagashima A;Sato Y .Reference data for the density and viscosity of liquid aluminum and liquid iron[J].Journal of Physical and Chemical Reference Data,2006(1):285-300. |
[17] | SZABO G;JUHASZ Z;PAITZ J et al.Experimental model of magnetic Czochralski growth[J].Journal of Cryst Growth,1986,78(03):558-560. |
[18] | M. Rheme;F. Gonzales;M. Rappaz .Growth directions in directionally solidified Al-Zn and Zn-Al alloys near eutectic composition[J].Scripta materialia,2008(4):440-443. |
[19] | Haxhimali T;Karma A;Gonzales F;Rappaz M .Orientation selection in dendritic evolution[J].Nature materials,2006(8):660-664. |
[20] | Hoyt JJ.;Asta M.;Karma A. .Atomistic and continuum modeling of dendritic solidification [Review][J].Materials Science & Engineering, R. Reports: A Review Journal,2003(6):121-163. |
[21] | CHANSK;REIMER H H;KAHLWEITM .On thestationary growth shapes of NH4Cl dendrites[J].Journal of Crystal Growth,1976,32(03):303-315. |
[22] | VON DER LAGE F C;BETHE H A .A method for obtaining electronic eigenfunctions and eigenvalues in solids with an application to sodium[J].Physical Review,1947,71(09):612-622. |
[23] | FEHLNER W R;VOSKO S H .A product representation for cubic harmonics and special directions for the determination of the Fermi surface and related properties[J].Canadian Journal of Physics,1976,54(21):2159-2169. |
[24] | 胡赓祥;蔡珣.材料科学基础[M].上海:上海交通大学出版社,2000:115-116. |
[25] | ROBERT W C;PETER H.Physical Metallurgy[M].NorthHolland:Elsevier Science B V,1996:744-746. |
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